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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesWriteOffs_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Charge-offs (as a result of lower recovery expectations)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableOriginatedTwoYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Private Education Loan Credit Quality Indicators by Origination Year Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis with Unobservable Inputs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Balance, end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisWithUnobservableInputs_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Balance, beginning of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Incorporation, State or Country Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityIncorporationStateCountryCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Incorporation, State or Country Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeasoningThirteenThruTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Seasoning thirteen thru twenty four.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeasoningThirteenThruTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Seasoning Thirteen Thru Twenty Four [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeasoningThirteenThruTwentyFourMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">13-24 Payments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Net charge-offs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossWriteoffAfterRecovery_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NoninterestIncomeExpensesOtherOperatingIncomeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NoninterestIncomeExpensesOtherOperatingIncomeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noninterest Income Expenses Other Operating Income Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NoninterestIncomeExpensesOtherOperatingIncomeExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Noninterest Income Expenses Other Operating Income Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestReceivableAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Receivable and Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestReceivableAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestReceivableAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestReceivableAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableBeforeAllowanceForCreditLossAndFeeChangeAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable before allowance for credit loss and fee change amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableBeforeAllowanceForCreditLossAndFeeChangeAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Before Allowance For Credit Loss And Fee Change Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableBeforeAllowanceForCreditLossAndFeeChangeAmount_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Change</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ModifiedLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Modified loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ModifiedLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Modified Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ModifiedLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Modified [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockAcquiredAverageCostPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Acquired, Average Cost Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockAcquiredAverageCostPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Average purchase price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablePortfolioSegmentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Portfolio Segment [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablePortfolioSegmentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivable Portfolio Segment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Current Reporting Status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCurrentReportingStatus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Current Reporting Status</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Financing Receivable [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Financing Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablePercentPastDue1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Percent Past Due</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablePercentPastDue1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans delinquent, percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 2 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments, Contingencies and Guarantees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowHedgingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Flow Hedging [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashFlowHedgingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash Flow [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares Authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CoreEarningsAdjustmentsToGaap_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Total "Core Earnings" adjustments to GAAP.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CoreEarningsAdjustmentsToGaap_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Core Earnings Adjustments To Gaap</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CoreEarningsAdjustmentsToGaap_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Core Earnings adjustments to GAAP</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CoreEarningsAdjustmentsToGaap_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Core Earnings adjustments to GAAP</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable, after Allowance for Credit Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accounts Receivable, after Allowance for Credit Loss, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product and Service [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductOrServiceAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Product and Service</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans Insured or Guaranteed by Government Authorities [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans Insured or Guaranteed by Government Authorities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Period Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalPeriodFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Period Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Shell Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityShellCompany_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Shell Company</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsCommonStockCash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends, Common Stock, Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsCommonStockCash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividends paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsCommonStockCash_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Common stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NotForProfitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Not for profit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NotForProfitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Not For Profit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NotForProfitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Not For Profit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash and Cash Equivalent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Cash and Cash Equivalents, at Carrying Value, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivablesLoansInRepaymentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents a portion of financing receivables that are loans in repayment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivablesLoansInRepaymentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables Loans In Repayment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivablesLoansInRepaymentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivables, Loans In Repayment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net assets of consolidated variable interest entities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Net Assets, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsNet_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Net Assets, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeDuringPeriodFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Changes Measurement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeDuringPeriodFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Difference [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestReceivable_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Accrued interest receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ReclassificationsForCoreToGaapAccountingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Reclassifications for core to gaap accounting.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ReclassificationsForCoreToGaapAccountingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reclassifications For Core To Gaap Accounting [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ReclassificationsForCoreToGaapAccountingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reclassifications [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableOriginatedFourYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Private Education Loan Credit Quality Indicators by Origination Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromAccountsReceivableSecuritization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Accounts Receivable Securitization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromAccountsReceivableSecuritization_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Borrowings collateralized by loans in trust - issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statement [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock, Value, Acquired, Cost Method</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock repurchased, value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockValueAcquiredCostMethod_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Common stock repurchased</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Filer Category</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFilerCategory_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Filer Category</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsFourYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit losses write offs four years before latest fiscal year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsFourYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance for Credit Losses Write Offs Four Years Before Latest Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsFourYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan, Net Charge-Offs in Year Five</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income (Expense), Operating [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFinancingReceivablesPastDueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Past Due [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFinancingReceivablesPastDueTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Financing Receivables Past Due [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities and Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAndStockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities and equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainOrLossOnSaleOfStockInSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Disposition of Stock in Subsidiary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainOrLossOnSaleOfStockInSubsidiary_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">(Gain) on sale of subsidiary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainOrLossOnSaleOfStockInSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Gain on sale of subsidiaries, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainOrLossOnSaleOfStockInSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gain (loss) on sale of subsidiaries, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PrivateEducationLoanABCPFacilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Private education loan ABCP facilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PrivateEducationLoanABCPFacilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Education Loan A B C P Facilities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PrivateEducationLoanABCPFacilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Education Loan ABCP Facilities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Loss, Recovery</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesRecovery_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Recoveries (cash collected)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Credit Concentration Risk [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CreditConcentrationRiskMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Credit Concentration Risk [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoninterestIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noninterest Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoninterestIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total other income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoninterestIncome_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total other income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetFairValueNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset, Subject to Master Netting Arrangement, before Offset of Collateral [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetFairValueNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Assets:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, by Balance Sheet Grouping [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Values of Financial Assets and Liabilities, Including Derivative Financial Instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Hedging Relationship [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Hedging Relationship</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SchoolOrGraceOrDefermentOrForbearanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">School or grace or deferment or forbearance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SchoolOrGraceOrDefermentOrForbearanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">School Or Grace Or Deferment Or Forbearance [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SchoolOrGraceOrDefermentOrForbearanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">School/Grace/Deferment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SchoolOrGraceOrDefermentOrForbearanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">In-school/Grace/Deferment/Forbearance [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PrivateEducationLoanSecuritizationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Private education loan securitizations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PrivateEducationLoanSecuritizationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Education Loan Securitizations [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PrivateEducationLoanSecuritizationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Education Loan Securitizations [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsEffectOnOtherComprehensiveIncomeLossTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsEffectOnOtherComprehensiveIncomeLossTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impact of Derivatives on Other Comprehensive Income (Equity)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansReceivableForPreviouslyFullyChargedOffLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans receivable for previously fully charged off loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansReceivableForPreviouslyFullyChargedOffLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans Receivable For Previously Fully Charged Off Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansReceivableForPreviouslyFullyChargedOffLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans Receivable For Previously Fully Charged Off Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, before Allowance for Credit Loss, Fee and Loan in Process</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableBeforeAllowanceForCreditLossAndFee_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Loans, gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Significant Accounting Policies [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of significant accounting policies.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SummaryOfSignificantAccountingPoliciesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Of Significant Accounting Policies [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss) Available to Common Stockholders, Basic [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLossAvailableToCommonStockholdersBasicAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Numerator:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsFiveOrMoreYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit losses write offs five or more years before latest fiscal year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsFiveOrMoreYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance for Credit Losses Write Offs Five or More Years Before Latest Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsFiveOrMoreYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan, Net Charge-Offs in Year Prior</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SummaryOfPerformanceAndRelatedLoanStatusOfLoansModifiedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of performance and related loan status of loans modified.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SummaryOfPerformanceAndRelatedLoanStatusOfLoansModifiedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Performance and Related Loan Status of Loans Modified [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SummaryOfPerformanceAndRelatedLoanStatusOfLoansModifiedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Performance and Related Loan Status of Loans Modified</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Financing Transaction [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Financing Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid in Capital, Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additional paid-in capital</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_RepaymentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repayment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_RepaymentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_RepaymentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Repayment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Decrease for Tax Withholding Obligation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsRelatedToTaxWithholdingForShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Shares repurchased related to employee stock-based compensation plans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AdjustmentsRequiredToReconcileCoreEarningsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Adjustments required to reconcile core earnings.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AdjustmentsRequiredToReconcileCoreEarningsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments Required To Reconcile Core Earnings [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AdjustmentsRequiredToReconcileCoreEarningsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments Required To Reconcile Core Earnings [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Charge-offs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablesImpairedTroubledDebtRestructuringWriteDown_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Charge-offs (par)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetFairValueGrossLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset, Subject to Master Netting Arrangement, Liability Offset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetFairValueGrossLiability_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Impact of master netting agreements, Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ForbearanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Forbearance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ForbearanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Forbearance [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ForbearanceMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Forbearance [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Significant Accounting Policies [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SignificantAccountingPoliciesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Significant Accounting Policies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Troubled Debt Restructuring, Premodification</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Modified loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsPreModificationRecordedInvestment2_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Loan Modifications, Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ShareRepurchaseProgramAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Repurchase Program [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeriesAJuniorParticipatingPreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A Junior Participating Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeriesAJuniorParticipatingPreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Series A Junior Participating Preferred Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeriesAJuniorParticipatingPreferredStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Series A junior participating preferred stock.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ChangeInUnrealizedGainLossOnHedgedItemInFairValueHedge1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gains (losses) recognized in net income on hedged items</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Earnings (Loss) per Common Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_OpenMarketShareRepurchasesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Open market share repurchases.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_OpenMarketShareRepurchasesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Open Market Share Repurchases [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_OpenMarketShareRepurchasesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Open Market Repurchases [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Earnings Per Share, Basic, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basic earnings per common share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Basic earnings (loss) per common share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SegmentResultsAndReconciliationsToGaapTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tabular disclosure of the reconciliation of the company's "Core Earnings" segment totals to its consolidated operating results in accordance with GAAP.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SegmentResultsAndReconciliationsToGaapTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Results And Reconciliations To Gaap Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SegmentResultsAndReconciliationsToGaapTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Results and Reconciliations to GAAP</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Modified, Accumulated</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment status (Amortized Cost)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancialAsset31To60DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financial asset, 31 to 60 days past due.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancialAsset31To60DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Asset31 To60 Days Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancialAsset31To60DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Asset, 31 to 60 Days Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Adjustments to reconcile net income to net cash provided by operating activities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HedgingDesignationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Hedging Designation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HedgingDesignationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Hedging Designation [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SchoolDefermentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">School/Deferment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SchoolDefermentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">School Deferment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SchoolDefermentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">School/Deferment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ShareRepurchaseProgramDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Repurchase Program [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Loss [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivable Allowance For Credit Losses [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Financing Receivable, Allowance for Credit Losses [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsForNewAccountingPronouncementsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounting Standards Update</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_OtherRevenueLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Revenue (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_OtherRevenueLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other revenue (loss).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_OtherRevenueLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other revenue (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidationItemsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation Items [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidationItemsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consolidation Items</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Small Business</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntitySmallBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Small Business</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AssetRecoveryAndBusinessProcessingRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Asset recovery and business processing revenue.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AssetRecoveryAndBusinessProcessingRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset Recovery And Business Processing Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AssetRecoveryAndBusinessProcessingRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset recovery and business processing revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfNotionalAmountsOfOutstandingDerivativePositionsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Notional Values</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HedgingDesignationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Hedging Designation [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HedgingDesignationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Hedging Designation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term borrowings [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentDeferralMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment Deferral [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentDeferralMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">More Than an Insignificant Payment Delay [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Retained Earnings (Accumulated Deficit), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings (Accumulated Deficit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Retained earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfUnsecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Unsecured Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfUnsecuredDebt_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Long-term unsecured notes repaid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetAdjustmentResultingFromChangeInChargeOffRateAsPercentageOfAverageLoansInRepayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Adjustment Resulting From Change In Charge Off Rate As Percentage Of Average Loans In Repayment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetAdjustmentResultingFromChangeInChargeOffRateAsPercentageOfAverageLoansInRepayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net adjustment resulting from change in charge off rate as percentage of average loans in repayment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetAdjustmentResultingFromChangeInChargeOffRateAsPercentageOfAverageLoansInRepayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net adjustment resulting from the change in charge-off rate as a percentage of average loans in repayment (annualized)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OffsettingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Offsetting [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ConcentrationRiskThresholdPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Threshold Percentage</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ConcentrationRiskThresholdPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Concentration risk threshold percentage.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ConcentrationRiskThresholdPercentage_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dimensions of concentration risk</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PreferredStockPurchaseRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Preferred stock purchase rights.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PreferredStockPurchaseRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock Purchase Rights [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PreferredStockPurchaseRightsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred Stock Purchase Rights [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Asset-Backed Securities, Securitized Loans and Receivables [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetBackedSecuritiesSecuritizedLoansAndReceivablesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset-backed Securities, Securitized Loans and Receivables [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Organization, Consolidation and Presentation of Financial Statements [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PrivateEducationLoanSecuritizationsRepurchaseFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Private education loan securitizations repurchase facility.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PrivateEducationLoanSecuritizationsRepurchaseFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Education Loan Securitizations Repurchase Facility [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PrivateEducationLoanSecuritizationsRepurchaseFacilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Education Loan Asset-backed Securitization Repurchase Facilities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted, Adjustment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dilutive potential common shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted Average Number of Shares Outstanding, Diluted, Adjustment, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Amendment Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_AmendmentFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amendment Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Product and Service [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ProductsAndServicesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Product and Service</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ABCPFacilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Facilities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ABCPFacilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">A B C P Facilities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ABCPFacilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">A B C P Facilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FFELPLoanSecuritizationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">FFELP loan securitizations.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FFELPLoanSecuritizationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">F F E L P Loan Securitizations [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FFELPLoanSecuritizationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FFELP Loan Securitizations [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CashAndInvestmentsIncludingRestrictedCashAndInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sum of cash and investments, including restricted cash and investments, as of the balance sheet date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CashAndInvestmentsIncludingRestrictedCashAndInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash And Investments Including Restricted Cash And Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CashAndInvestmentsIncludingRestrictedCashAndInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Postal Zip Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressPostalZipCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Postal Zip Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Operating Activity, Including Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by operating activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DirectorsOrOfficersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Directors or Officers [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DirectorsOrOfficersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Directors or Officers.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesWriteoffsNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Loss, Writeoff, after Recovery [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForLoanAndLeaseLossesWriteoffsNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Charge-offs:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AdjustmentsForCoreToGaapAccountingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Adjustments for core to GAAP accounting.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AdjustmentsForCoreToGaapAccountingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustments For Core To Gaap Accounting [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AdjustmentsForCoreToGaapAccountingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Adjustments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_StateAndLocalGovernmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">State and Local Government.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_StateAndLocalGovernmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">State And Local Government [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_StateAndLocalGovernmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">State and Local Government [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SteveHauberMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Steve Hauber [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SteveHauberMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Steve Hauber.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SteveHauberMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Steve Hauber [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HedgingRelationshipDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Hedging Relationship [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HedgingRelationshipDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Hedging Relationship</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsInStatementOfFinancialPositionFairValueTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impact of Derivatives on Balance Sheet</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Portion at Fair Value Measurement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Disclosure Item Amounts [Default]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PortionAtFairValueFairValueDisclosureMember_lbl" xlink:role="http://fasb.org/us-gaap/role/label/axisDefault">Portion at Fair Value Measurement [Member] [Default]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, Address Line One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressAddressLine1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, Address Line One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Hierarchy and NAV</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShorttermDebtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShorttermDebtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term borrowings, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_TollingAuthoritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tolling Authorities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_TollingAuthoritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Tolling Authorities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_TollingAuthoritiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tolling Authorities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Supplemental Cash Flow Information [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Supplemental disclosure of cash flow information:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CommonStockSharesOutstandingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common stock shares outstanding.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CommonStockSharesOutstandingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Shares Outstanding [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CommonStockSharesOutstandingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock Shares Outstanding [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Derivative values with impact of master netting agreements (as carried on balance sheet), Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Derivatives at fair value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalFamilyEducationLoanProgramFfelpGuaranteedLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Family Education Loan Program (FFELP) Guaranteed Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FederalFamilyEducationLoanProgramFfelpGuaranteedLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FFELP Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ConsolidationLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Consolidation loans member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ConsolidationLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ConsolidationLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consolidation Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ConsolidationLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Consolidation Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyFairValueHedgeDerivativeAtFairValueNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net positive exposure on foreign currency swaps</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyFairValueHedgeDerivativeAtFairValueNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Foreign Currency Fair Value Hedge Derivative at Fair Value, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ForeignCurrencyFairValueHedgeDerivativeAtFairValueNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Currency Fair Value Hedge Derivative at Fair Value, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentType_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Taxes Paid, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income taxes paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income Taxes Paid, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Modified in Period, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsPostModificationRecordedInvestment2_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Modified Loans (Amortized Cost)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCentralIndexKey_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Central Index Key</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_HedgedLiabilityFairValueHedgeCumulativeIncreaseDecrease_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Hedge Basis Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetFairValueOfCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset, Fair Value of Collateral</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetFairValueOfCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total collateral held</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilityFairValueNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability, Subject to Master Netting Arrangement, before Offset of Collateral [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilityFairValueNetAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Liabilities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivablesCurrentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents a portion of financing receivables that are current.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivablesCurrentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables Current [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivablesCurrentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivables, Current [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityClassOfTreasuryStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Class of Treasury Stock [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityClassOfTreasuryStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Equity, Class of Treasury Stock [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SummaryOfCoreEarningsAdjustmentsToGaapTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Tabular disclosure of the company's "Core Earnings" adjustments to GAAP.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SummaryOfCoreEarningsAdjustmentsToGaapTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Core Earnings Adjustments To Gaap Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SummaryOfCoreEarningsAdjustmentsToGaapTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Core Earnings Adjustments to GAAP</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Transfers in and/or out of level 3</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationTransfersNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Transfers, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Approach and Technique [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation Approach and Technique</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net increase (decrease) in cash, cash equivalents, restricted cash and restricted cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total interest income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income, Operating</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Interest Income, Operating, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetIncludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Intangible Assets, Net (Including Goodwill)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetIncludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill and acquired intangible assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetIncludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Intangible Assets, Net (Including Goodwill), Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IntangibleAssetsNetIncludingGoodwill_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Goodwill and acquired intangible assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities not included in the computation of diluted earnings per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeasoningTwentyFiveThruThirtySixMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Seasoning twenty five thru thirty six.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeasoningTwentyFiveThruThirtySixMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Seasoning Twenty Five Thru Thirty Six [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeasoningTwentyFiveThruThirtySixMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">25-36 Payments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SchoolTypeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">School type.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SchoolTypeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">School Type [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SchoolTypeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">School Type [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Par or Stated Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, par value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfAdoptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TypeOfAdoptionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounting Standards Update</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other comprehensive income (loss), net of tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossNetOfTaxPortionAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GoodwillLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Other Operating Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Other Operating Liabilities, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">(Decrease) in other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoninterestIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noninterest Income [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoninterestIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other income (loss):</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SecuritiesFairValueOnBalanceSheetSecuritizationDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Securities fair value on balance sheet securitization derivatives.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SecuritiesFairValueOnBalanceSheetSecuritizationDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Fair Value On Balance Sheet Securitization Derivatives</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SecuritiesFairValueOnBalanceSheetSecuritizationDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities at fair value - on-balance sheet securitization derivatives (not recorded in financial statements)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ParentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Parent [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ParentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Stockholders' Equity [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ScheduleOfCreditExposureRelatedToOurDerivativeCounterpartiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule Of Credit Exposure Related To Our Derivative Counterparties.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ScheduleOfCreditExposureRelatedToOurDerivativeCounterpartiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Credit Exposure Related To Our Derivative Counterparties Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ScheduleOfCreditExposureRelatedToOurDerivativeCounterpartiesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Credit Exposure Related to Our Derivative Counterparties</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net changes in cash flow hedges, net of tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossAfterReclassificationAndTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net changes in cash flow hedges, net of tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SummaryOfAmortizedCostBasisOfLoansToBorrowersTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary of amortized cost basis of loans to borrowers.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SummaryOfAmortizedCostBasisOfLoansToBorrowersTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Amortized Cost Basis of Loans to Borrowers [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SummaryOfAmortizedCostBasisOfLoansToBorrowersTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Amortized Cost Basis of Loans to Borrowers</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementInputsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement and Measurement Inputs, Recurring and Nonrecurring [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementInputsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Measurements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Estimate of Fair Value Measurement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EstimateOfFairValueFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative, Notional Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeNotionalAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total Derivative Notional Values</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetImpactOfGoodwillAndAcquiredIntangiblesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Impact of Goodwill and Acquired Intangible Assets [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetImpactOfGoodwillAndAcquiredIntangiblesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net impact of goodwill and acquired intangible assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetImpactOfGoodwillAndAcquiredIntangiblesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Impact Of Goodwill And Acquired Intangibles [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetImpactOfGoodwillAndAcquiredIntangiblesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net Impact of Goodwill and Acquired Intangible Assets [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Current Fiscal Year End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CurrentFiscalYearEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current Fiscal Year End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Long-Term Debt Instruments [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SchoolGraceDefermentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">School/grace/deferment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SchoolGraceDefermentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">School Grace Deferment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SchoolGraceDefermentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">School/Grace/Deferment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentQuarterlyReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Quarterly Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentQuarterlyReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Quarterly Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeCollateralRightToReclaimCash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Not Offset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeCollateralRightToReclaimCash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash collateral (held) pledged, Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeCollateralRightToReclaimCash_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cash (right to receive return of cash collateral is recorded in investments)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxesAndOtherTaxReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Income Taxes and Other Tax Receivable, Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredIncomeTaxesAndOtherTaxReceivableCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax asset, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReceivablesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Receivables [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, by Balance Sheet Grouping [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByBalanceSheetGroupingTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value By Balance Sheet Grouping [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, State or Province</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressStateOrProvince_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, State or Province</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FederalEducationLoansSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Federal education loans segment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FederalEducationLoansSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Education Loans Segment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FederalEducationLoansSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal Education Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InformationTechnologyAndDataProcessing_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Information Technology and Data Processing</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InformationTechnologyAndDataProcessing_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Information technology expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialLiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Liabilities Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialLiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total interest-bearing liabilities, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Preferred Stock, Shares Outstanding, Beginning Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Preferred Stock, Shares Outstanding, Ending Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income (Loss), Net of Tax, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total comprehensive income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueRecurringBasisUnobservableInputReconciliationNetDerivativeAssetLiabilityGainLossStatementOfIncomeExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Net Derivative Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueRecurringBasisUnobservableInputReconciliationNetDerivativeAssetLiabilityGainLossStatementOfIncomeExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Net Derivative Asset (Liability), Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dilutive effect of restricted stock, restricted stock units, performance stock units, and Employee Stock Purchase Plan ("ESPP")</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Incremental Common Shares Attributable to Dilutive Effect of Share-Based Payment Arrangements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DerivativeAssetsLiabilitiesAtCarryingValueNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Carrying values as of the balance sheet date of the net amount of all assets and liabilities resulting from contracts that meet the criteria of being accounted for as derivative instruments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DerivativeAssetsLiabilitiesAtCarryingValueNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Assets Liabilities At Carrying Value Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DerivativeAssetsLiabilitiesAtCarryingValueNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative financial instruments, Carrying Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Increase in accrued interest receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Accrued Interest Receivable, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInAccruedInterestReceivableNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Decrease in accrued interest receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueHedgeLiabilitiesAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hedge Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueHedgeLiabilitiesAtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Carrying Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts Receivable [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsReceivableMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts Receivable [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Shares Withheld for Tax Withholding Obligation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Shares repurchased related to employee stock-based compensation plans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharesPaidForTaxWithholdingForShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Shares repurchased related to employee stock-based compensation plans, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InternalCreditAssessmentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Internal Credit Assessment [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InternalCreditAssessmentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Internal Credit Assessment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PeriodOfHardshipForbearanceOfPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Period of hardship forbearance of payments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PeriodOfHardshipForbearanceOfPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Period of Hardship Forbearance of Payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PeriodOfHardshipForbearanceOfPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Period of hardship forbearance of payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term borrowings, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total interest expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Interest Expense, Operating, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense, Operating</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Security Financing Transaction [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Financing Transaction [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net interest income (loss) after provisions for loan losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income (Expense), after Provision for Loan Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseAfterProvisionForLoanLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net interest income (loss) after provisions for loan losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AllowanceForLoanAndLeaseLossesWriteOffsIncludingExpectedFutureRecoveries_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AllowanceForLoanAndLeaseLossesWriteOffsIncludingExpectedFutureRecoveries_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Allowance For Loan And Lease Losses Write Offs Including Expected Future Recoveries</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AllowanceForLoanAndLeaseLossesWriteOffsIncludingExpectedFutureRecoveries_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Allowance for loan and lease losses write offs including expected future recoveries.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareByAntidilutiveSecuritiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DisposalOfSubsidiariesNetOfCashAndRestrictedCashDisposedOf_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Disposal of subsidiaries, net of cash and restricted cash disposed of</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DisposalOfSubsidiariesNetOfCashAndRestrictedCashDisposedOf_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Disposal of Subsidiaries Net of Cash and Restricted Cash Disposed of</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DisposalOfSubsidiariesNetOfCashAndRestrictedCashDisposedOf_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Disposal of subsidiaries net of cash and restricted cash disposed of.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExpenseRelatedToDistributionOrServicingAndUnderwritingFees_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Expense Related to Distribution or Servicing and Underwriting Fees</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ExpenseRelatedToDistributionOrServicingAndUnderwritingFees_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Servicing expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">AOCI Attributable to Parent [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated Other Comprehensive Income (Loss) [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_NameOfMajorCustomerDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_NameOfMajorCustomerDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Derivative values with impact of master netting agreements (as carried on balance sheet), Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Derivative Liability, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonShares_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock, Common, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonShares_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock held in treasury</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonShares_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Treasury Stock, Common, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonShares_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Treasury Stock, Common, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireLoansHeldForInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment for Acquisition, Loan, Held-for-Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsToAcquireLoansHeldForInvestment_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Education loans originated and acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnsecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unsecured Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnsecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Unsecured Borrowings [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_UnsecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Long Term Senior Unsecured Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Value, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Series A Junior Participating Preferred Stock, par value $0.20 per share; 2 million shares authorized at December 31, 2021; no shares issued or outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFinancialInstrumentsOwnedAndPledgedAsCollateralTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Financial Instruments Owned and Pledged as Collateral [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFinancialInstrumentsOwnedAndPledgedAsCollateralTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateral Held and Pledged</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Minimum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MinimumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Minimum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfTreasuryStockTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Treasury Stock [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfTreasuryStockTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class Of Treasury Stock [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Instrument</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset, Subject to Master Netting Arrangement, before Offset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetLiabilityNetValuationTechniqueExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset (Liability) Net, Valuation Technique [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetLiabilityNetValuationTechniqueExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Asset (Liability) Net, Valuation Technique [Extensible List]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableOriginatedInFiscalYearBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Private Education Loan Credit Quality Indicators by Origination Year Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinanceReceivablePercentageOfLoanType_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Finance receivable percentage of loan type.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinanceReceivablePercentageOfLoanType_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Finance Receivable Percentage of Loan Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinanceReceivablePercentageOfLoanType_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan Modifications, % of Loan Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForLoanAndLeaseLossesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Provision for Loan and Lease Losses [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForLoanAndLeaseLossesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Provision:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 3 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 3 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation of Financial Instruments that are Marked-to-Market on Recurring Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ShortTermUnsecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Short term unsecured debt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ShortTermUnsecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short Term Unsecured Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ShortTermUnsecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short Term Senior Unsecured Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FixedInterestRateDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Long-Term Fixed Rate Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FixedInterestRateDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fixed Interest Rate Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FixedInterestRateDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fixed interest rate debt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsMiscellaneous_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets, Miscellaneous</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsMiscellaneous_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsMiscellaneous_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Assets, Miscellaneous, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AdditionsSubtractionsForCoreToGaapAccountingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Additions (subtractions) for core to GAAP accounting.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AdditionsSubtractionsForCoreToGaapAccountingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additions Subtractions For Core To Gaap Accounting [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AdditionsSubtractionsForCoreToGaapAccountingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Additions (Subtractions) [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansAndLeasesReceivableGrossCarryingAmountPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans and leases receivable gross carrying amount percent.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansAndLeasesReceivableGrossCarryingAmountPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans And Leases Receivable Gross Carrying Amount Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansAndLeasesReceivableGrossCarryingAmountPercent_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total Private Education Loan Credit Quality Indicators, Excluding Refinance Loans, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_OtherNoninterestIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other noninterest income loss.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_OtherNoninterestIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Noninterest Income loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_OtherNoninterestIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total other income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_BelowSixFourZeroMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Below six four zero.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_BelowSixFourZeroMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Below Six Four Zero [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_BelowSixFourZeroMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Below 640 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Cash and Cash Equivalent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted cash and cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Restricted Cash and Cash Equivalents, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCashAndCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Restricted cash and restricted cash equivalents</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CommonStockParValuePointZeroOnePerShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Common stock par value point zero one per share.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CommonStockParValuePointZeroOnePerShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock Par Value Point Zero One Per Share [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CommonStockParValuePointZeroOnePerShareMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common Stock Par Value. 01 Per Share [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingencies_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Commitments and contingencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationGainsLossesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fair value net derivative asset (liability) measured on recurring basis unobservable input reconciliation gains (losses).</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationGainsLossesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Input Reconciliation Gains Losses [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationGainsLossesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total gains/(losses):</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term unsecured notes issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIssuanceOfUnsecuredDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Issuance of Unsecured Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Short-term debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Short-Term Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-term borrowings, Carrying Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermBorrowings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-term borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfGoodwillTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Goodwill [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfGoodwillTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary of Goodwill for Each Reporting Units and Reportable Segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PeriodOfHardshipForbearanceOfPaymentsForBorrowersOfSubstantialPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Period of hardship forbearance of payments for borrowers of substantial payments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PeriodOfHardshipForbearanceOfPaymentsForBorrowersOfSubstantialPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Period of Hardship Forbearance of Payments for Borrowers of Substantial Payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PeriodOfHardshipForbearanceOfPaymentsForBorrowersOfSubstantialPayments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Period of hardship forbearance of payments for borrowers of substantial payments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_EarningAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Carrying value of assets excluding goodwill and acquired intangible assets, and other assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_EarningAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earning Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_EarningAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total earning assets, Carrying Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Benchmark [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Benchmark</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Derivative Instruments, Net, Pretax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gains (losses) on derivative and hedging activities, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Mark-to-market gains (losses) recognized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsNetPretax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Gain (Loss) on Derivative Instruments, Net, Pretax, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Variable Interest Entity, Primary Beneficiary [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_VariableInterestEntityPrimaryBeneficiaryMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets and Liabilities of Consolidated Variable Interest Entities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Financing Transaction [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Financing Transaction [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ForProfitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">For profit.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ForProfitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">For Profit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ForProfitMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">For Profit [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndDividendIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest and Dividend Income, Operating</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestAndDividendIncomeOperating_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total interest income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Originated, More than Five Years before Current Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableOriginatedFiveOrMoreYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Private Education Loan Credit Quality Indicators by Origination Year Prior</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income (Expense), Operating</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestIncomeExpenseNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net interest income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net Income (Loss), Including Portion Attributable to Noncontrolling Interest, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProfitLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableGross_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, before Allowance for Credit Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableGross_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending total loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableGross_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Loans, gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableGross_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total loans, gross</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableGross_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Total Private Education Loan Credit Quality Indicators by Origination Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DerivativeAssetAtFairValueIncludingAccruedInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Derivative asset at fair value including accrued interest.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DerivativeAssetAtFairValueIncludingAccruedInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset At Fair Value Including Accrued Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DerivativeAssetAtFairValueIncludingAccruedInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative asset at fair value including accrued interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-Term Debt, Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Basic</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average common shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Weighted average shares used to compute basic EPS</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted Average Number of Shares Outstanding, Basic, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ScheduleOfLoansByTypeTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of loans by type.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ScheduleOfLoansByTypeTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule Of Loans By Type Table [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ScheduleOfLoansByTypeTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementScenarioAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scenario [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StatementScenarioAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Scenario</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_GainsLossesRecognizedInNetIncomeOnDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gains Losses Recognized In Net Income On Derivatives</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_GainsLossesRecognizedInNetIncomeOnDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Gains losses recognized in net income on derivatives.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_GainsLossesRecognizedInNetIncomeOnDerivatives_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gains (losses) recognized in net income on derivatives</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Information [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsByOrigninationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit losses write offs by orignination year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsByOrigninationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance for Credit Losses Write Offs by Orignination Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsByOrigninationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Charge-Offs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsByOrigninationYear_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total Net Charge-Offs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_GrossPaydownsOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gross Paydowns of Debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_GrossPaydownsOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Gross paydowns of debt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_GrossPaydownsOfDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross paydowns</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityOther_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity, Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityOther_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segments [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementBusinessSegmentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CashAndInvestmentsInterestIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest income, net of discount accretion and premium amortization from the cash and investment portfolio.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CashAndInvestmentsInterestIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash And Investments Interest Income Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CashAndInvestmentsInterestIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash and investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansReceivableFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans Receivable, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansReceivableFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans receivable, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Long-term debt</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Long-Term Debt, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-term borrowings, Carrying Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebt_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_InterestExpenseAndDerivativeInstrumentsHedgingActivitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest expense and derivative instruments hedging activities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_InterestExpenseAndDerivativeInstrumentsHedgingActivitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense And Derivative Instruments Hedging Activities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_InterestExpenseAndDerivativeInstrumentsHedgingActivitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Expense and Derivative Instruments Hedging Activities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ScheduleOfAmountOfLoansModifiedAndPaymentDefaultTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Schedule of amount of loans modified and payment default.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ScheduleOfAmountOfLoansModifiedAndPaymentDefaultTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Amount of Loans Modified and Payment Default [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ScheduleOfAmountOfLoansModifiedAndPaymentDefaultTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Amount of Loans Modified and Payment Default</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableModificationsPreModificationRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan Modifications, Amortized Cost</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableModificationsPreModificationRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Modifications Pre Modification Recorded Investment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableModificationsPreModificationRecordedInvestment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable, modifications, pre-modification, recorded investment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">APIC, Share-Based Payment Arrangement, Increase for Cost Recognition</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock-based compensation expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">APIC, Share-Based Payment Arrangement, Increase for Cost Recognition, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivables61To90DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents a portion of financing receivables that are 61 to 90 days past due.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivables61To90DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables61 To90 Days Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivables61To90DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivables, 61 to 90 Days Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquity_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Equity, Attributable to Parent, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, par value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockParOrStatedValuePerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Par or Stated Value Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Variable Interest Entities [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfVariableInterestEntitiesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing VIEs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Basis of Accounting, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BasisOfAccountingPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Basis of Presentation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeasoningOneThruTwelveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Seasoning one thru twelve.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeasoningOneThruTwelveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Seasoning One Thru Twelve [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeasoningOneThruTwelveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">1-12 Payments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfStockholdersEquityAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Stockholders' Equity [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ExcessOfNetAssetFairValueOverCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Excess of net asset fair value over carrying value.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ExcessOfNetAssetFairValueOverCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Excess Of Net Asset Fair Value Over Carrying Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ExcessOfNetAssetFairValueOverCarryingValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Excess of net asset fair value over carrying value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsInCurrentFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit losses write offs in current fiscal year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsInCurrentFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance for Credit Losses Write Offs in Current Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsInCurrentFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan, Net Charge-Offs in Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtLongtermAndShorttermCombinedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt, Long-Term and Short-Term, Combined Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtLongtermAndShorttermCombinedAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Valuation Approach and Technique [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ValuationTechniqueDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Valuation Approach and Technique</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_HealthcareServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Healthcare services.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_HealthcareServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Healthcare Services [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_HealthcareServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Healthcare Services [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivablesForbearanceLoansInRepaymentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents a portion of financing receivables that are in forbearance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivablesForbearanceLoansInRepaymentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables Forbearance Loans In Repayment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivablesForbearanceLoansInRepaymentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivables, Forbearance, Loans In Repayment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InternalCreditAssessmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Internal Credit Assessment [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InternalCreditAssessmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Internal Credit Assessment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock, Common [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockCommonMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Treasury Stock [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Allowance at end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for loans losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Loan allowance for losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Allowance at beginning of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt Instrument, Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments and Hedging Activities Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Included in earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInEarnings_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Gains (losses) on derivative and hedging activities, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Increase (Decrease) in Other Operating Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Increase (Decrease) in Other Operating Assets, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncreaseDecreaseInOtherOperatingAssets_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">(Increase) decrease in other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeniorNotesDueDecemberFifteenTwoThousandFortyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Senior notes due December fifteen two thousand forty three.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeniorNotesDueDecemberFifteenTwoThousandFortyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Senior Notes Due December Fifteen Two Thousand Forty Three [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeniorNotesDueDecemberFifteenTwoThousandFortyThreeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior Notes Due December 15, 2043 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_RepaymentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_RepaymentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Seasoning [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_RepaymentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Repayments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoanRestructuringModificationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan Restructuring Modification [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoanRestructuringModificationAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan Restructuring Modification</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Treasury Stock, Value, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockValue_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Less: Common stock held in treasury at cost: 367 million and 362 million shares, respectively</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansReceivableAndInvestmentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans receivable and investments fair value disclosure.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansReceivableAndInvestmentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans Receivable And Investments Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansReceivableAndInvestmentsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total earning assets, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Year One, Originated, Current Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableOriginatedInCurrentFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Private Education Loan Credit Quality Indicators by Origination Year One</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsInFiscalYearBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit losses write offs in fiscal year before latest fiscal year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsInFiscalYearBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance for Credit Losses Write Offs in Fiscal Year Before Latest Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsInFiscalYearBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan, Net Charge-Offs in Year Two</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PastDueFinancingReceivablesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Past Due [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PastDueFinancingReceivablesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Age Analysis of Past Due Loans Delinquencies</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary of Acquired Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAcquiredFiniteLivedIntangibleAssetsByMajorClassTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Acquired Intangible Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Address, City or Town</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityAddressCityOrTown_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Address, City or Town</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_MarkHeleenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mark Heleen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_MarkHeleenMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mark Heleen [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Security Exchange Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_SecurityExchangeName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Security Exchange Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_InterestRateReductionAndExtendedMaturityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest Rate reduction and extended maturity.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_InterestRateReductionAndExtendedMaturityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Rate Reduction and Extended Maturity [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_InterestRateReductionAndExtendedMaturityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Combination Rate Reduction and Term Extension [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentVariableInterestRateTypeExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoninterestExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noninterest Expense [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoninterestExpenseAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expenses:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_EducationLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Education loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_EducationLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Education Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_EducationLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Education Loan Portfolio [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CounterpartyNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Counterparty Name [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_CounterpartyNameAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Counterparty Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Income before income tax expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Input Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities, Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialAssetNotPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Asset, Not Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancialAssetNotPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Asset, Not Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SharesPaidForTaxWithholdingForShareBasedCompensationAverageCostPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Total cost of shares repurchased divided by the total number of shares repurchased, for shares repurchased related to employee stock-based compensation plans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SharesPaidForTaxWithholdingForShareBasedCompensationAverageCostPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Shares Paid For Tax Withholding For Share Based Compensation Average Cost Per Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SharesPaidForTaxWithholdingForShareBasedCompensationAverageCostPerShare_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average purchase price per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total cash, cash equivalents, restricted cash and restricted cash equivalents at end of period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Paid, Excluding Capitalized Interest, Operating Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestPaidNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivablesDelinquentLoansInRepaymentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents a portion of financing receivables that are delinquent.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivablesDelinquentLoansInRepaymentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables Delinquent Loans In Repayment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivablesDelinquentLoansInRepaymentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivables, Delinquent Loans in Repayment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_OtherBorrowingsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Other borrowings.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_OtherBorrowingsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Borrowings [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_OtherBorrowingsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementBasisAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Basis [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementBasisAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentPeriodEndDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Period End Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_BusinessProcessingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Business processing.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_BusinessProcessingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Processing [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_BusinessProcessingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Business Processing [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hierarchy and NAV [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsFairValueHierarchyDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Hierarchy and NAV</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputConstantPrepaymentRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Constant Prepayment Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputConstantPrepaymentRateMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Constant Prepayment Rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivables90DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents a portion of financing receivables that are 90 days past due.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivables90DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables90 Days Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivables90DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivables, 90 Days Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_JohnKaneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">John Kane [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_JohnKaneMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">John Kane [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CollateralPledgedToOthersAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Collateral pledged to others.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CollateralPledgedToOthersAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collateral Pledged To Others [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CollateralPledgedToOthersAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateral pledged to others:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfFinancialPositionAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Financial Position [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_MarkToMarketGainOrLossOverLifeOfContract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mark-to-market gain or loss over life of contract.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_MarkToMarketGainOrLossOverLifeOfContract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mark To Market Gain Or Loss Over Life Of Contract</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_MarkToMarketGainOrLossOverLifeOfContract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Amount that will be equal to mark-to-market gain or loss over the life of the contract</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Security, Excluded EPS Calculation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementClassOfStockAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NondesignatedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Not Designated as Hedging Instrument [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NondesignatedMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablesPeriodPastDueDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Asset, Aging [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablesPeriodPastDueDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Asset, Aging</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValuesDerivativesBalanceSheetLocationByDerivativeContractTypeByHedgingDesignationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Values Derivatives Balance Sheet Location By Derivative Contract Type By Hedging Designation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Liabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Instruments [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TransfersAndServicingOfFinancialInstrumentsTypesOfFinancialInstrumentsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_InterestReceivableAndPayableAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest receivable and payable and other assets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_InterestReceivableAndPayableAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Receivable And Payable And Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_InterestReceivableAndPayableAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other assets, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_InterestReceivableAndPayableAndOtherAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Other assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_GoodwillAndAcquiredIntangibleAssetsImpairmentAndAmortizationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method. Also includes the amount of loss from the write-down of an asset representing the future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_GoodwillAndAcquiredIntangibleAssetsImpairmentAndAmortizationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Goodwill And Acquired Intangible Assets Impairment And Amortization Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_GoodwillAndAcquiredIntangibleAssetsImpairmentAndAmortizationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Goodwill and acquired intangible asset impairment and amortization expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_GoodwillAndAcquiredIntangibleAssetsImpairmentAndAmortizationExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Goodwill and acquired intangible asset impairment and amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_GoodwillAndAcquiredIntangibleAssetsImpairmentAndAmortizationExpense_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Goodwill and acquired intangible asset impairment and amortization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CounterPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Counter party.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CounterPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Counter Party [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CounterPartyMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Counterparty [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability, Statement of Financial Position [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilityStatementOfFinancialPositionExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Liability, Statement of Financial Position [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsGainLossLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments, Gain (Loss) [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsGainLossLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Instruments Gain Loss [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsGainLossLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Derivative Instruments, Gain (Loss) [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restricted cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cash</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedCash_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Restricted Cash, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Credit Quality Indicators [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableCreditQualityIndicatorsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Education Loan Portfolio Stratified by Key Credit Quality Indicators</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Input Reconciliation [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfAccountsReceivableSecuritization_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Repayments of Accounts Receivable Securitization</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RepaymentsOfAccountsReceivableSecuritization_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Borrowings collateralized by loans in trust - repaid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average common and common equivalent shares outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Weighted average shares used to compute diluted EPS</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DirectOperatingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Direct Operating Costs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DirectOperatingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Direct operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DirectOperatingCosts_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Direct Operating Costs, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Act File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityFileNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity File Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments of Ordinary Dividends, Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsOfDividendsCommonStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Common dividends paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments, Gain (Loss) [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Mark-to-Market Impact of Derivatives on Statements of Income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CoverAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cover [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeniorUnsecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Senior unsecured debt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeniorUnsecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Senior Unsecured Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeniorUnsecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Senior Unsecured Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NotesReceivableGrossPercentageOfBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Notes receivable gross percentage of balance.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NotesReceivableGrossPercentageOfBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Notes Receivable Gross Percentage Of Balance</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NotesReceivableGrossPercentageOfBalance_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Private Education Loan Credit Quality Indicators by Origination Year, Percent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Input Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other/remaining expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Modified, Subsequent Default</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Payment default</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableModificationsSubsequentDefaultRecordedInvestment1_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Payment Default (Par)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesPercentageOfChargeOffs_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable, allowance for credit losses, percentage of charge-offs.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesPercentageOfChargeOffs_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Losses, Percentage of Charge-Offs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesPercentageOfChargeOffs_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage of Loan, Net Charge-Offs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in Balance Sheet Carrying Value Associated with Level 3 Financial Instruments Carried at Fair Value on Recurring Basis</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CosignersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cosigners [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CosignersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cosigners.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CosignersMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cosigners [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablesPeriodPastDueAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Asset, Aging [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablesPeriodPastDueAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Asset, Aging</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeNetLiabilityPositionAggregateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative, Net Liability Position, Aggregate Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeNetLiabilityPositionAggregateFairValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative liability at fair value including accrued interest and premium receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Scenario</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ScenarioUnspecifiedDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Scenario [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Number of Operating Segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NumberOfOperatingSegments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Number of reportable operating segments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Reporting</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherContractMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Contract [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherContractMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AociTaxAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">AOCI Tax, Attributable to Parent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AociTaxAttributableToParent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Tax expense for accumulated other comprehensive loss</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoanStatusMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loan status.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoanStatusMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan Status [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoanStatusMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan Status [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Assets (Liabilities), at Fair Value, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative financial instruments, Fair Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetsLiabilitiesAtFairValueNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Derivative Assets (Liabilities), at Fair Value, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Type [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-Term Debt, Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeasoningMoreThanFortyEightMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Seasoning more than forty eight.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeasoningMoreThanFortyEightMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Seasoning More Than Forty Eight [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeasoningMoreThanFortyEightMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">More than 48 Payments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilityFairValueGrossAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability, Subject to Master Netting Arrangement, Asset Offset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilityFairValueGrossAsset_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Impact of master netting agreements, Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestructuringCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restructuring Charges</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestructuringCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Restructuring/other reorganization expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestructuringCharges_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Restructuring Charges, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Short-Term Debt, Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShortTermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Short-Term Debt, Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">New Accounting Pronouncements, Policy [Policy Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Recently Issued Accounting Pronouncements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AntidilutiveSecuritiesExcludedFromComputationOfEarningsPerShareLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments, Gain (Loss) [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsGainLossByHedgingRelationshipByIncomeStatementLocationByDerivativeInstrumentRiskTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Instruments Gain Loss By Hedging Relationship By Income Statement Location By Derivative Instrument Risk [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansReceivableWeightedAveragePeriodAddedToRemainingLifeOfLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans receivable, weighted average period added to remaining life of loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansReceivableWeightedAveragePeriodAddedToRemainingLifeOfLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans Receivable, Weighted Average Period Added to Remaining Life of Loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansReceivableWeightedAveragePeriodAddedToRemainingLifeOfLoan_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans receivable, weighted average period added to remaining life of loan</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reported Value Measurement [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CarryingReportedAmountFairValueDisclosureMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Carrying Value [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_MarkToMarketGainLossOnDerivativeAndHedgingActivitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Mark-to-market gain (loss) on derivative and hedging activities net.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_MarkToMarketGainLossOnDerivativeAndHedgingActivitiesNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mark To Market Gain Loss On Derivative And Hedging Activities Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_MarkToMarketGainLossOnDerivativeAndHedgingActivitiesNet_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Mark-to-market (gains) losses on derivative and hedging activities, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansInRepaymentAndPercentageOfEachStatusAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans In Repayment And Percentage Of Each Status [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansInRepaymentAndPercentageOfEachStatusAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans In Repayment And Percentage Of Each Status [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansInRepaymentAndPercentageOfEachStatusAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans in repayment and percentage of each status:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetLiabilityNetMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset (Liability) Net, Measurement Input</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetLiabilityNetMeasurementInput_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivatives</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsThreeYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable allowance for credit losses write offs three years before latest fiscal year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsThreeYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance for Credit Losses Write Offs Three Years Before Latest Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsThreeYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan, Net Charge-Offs in Year Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Shares, Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FicoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fico.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FicoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fico [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FicoMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FICO Scores [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Transition Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentTransitionReport_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Transition Report</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_NoTradingSymbolFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/label">No Trading Symbol Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_NoTradingSymbolFlag_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">No Trading Symbol Flag</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payments for Repurchase of Common Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForRepurchaseOfCommonStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Common stock repurchased</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ProceedsFromPaymentsOnEducationLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Proceeds from payments on education loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ProceedsFromPaymentsOnEducationLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds From Payments On Education Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ProceedsFromPaymentsOnEducationLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Proceeds from payments on education loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfCashFlowsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Cash Flows [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted, Adjustment [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberDilutedSharesOutstandingAdjustmentAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Effect of dilutive securities:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityBeforeTreasuryStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stockholders' Equity before Treasury Stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityBeforeTreasuryStock_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total stockholders' equity before treasury stock</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FloatingInterestRateDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Long-Term Floating Rate Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FloatingInterestRateDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Floating Interest Rate Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FloatingInterestRateDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Floating interest rate debt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Value, New Issues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of common shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_GrossIssuanceOfDebtDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gross Issuance of Debt During Period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_GrossIssuanceOfDebtDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Gross issuance of debt during period.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_GrossIssuanceOfDebtDuringPeriod_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross issunaces</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesReleased_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable, allowance for credit losses released.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesReleased_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Losses Released</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesReleased_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for loans losses released</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetChargeOffRateOnDefaultedLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net charge off rate on defaulted loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetChargeOffRateOnDefaultedLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Charge Off Rate On Defaulted Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetChargeOffRateOnDefaultedLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net charge off rate on defaulted loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetStatementOfFinancialPositionExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset, Statement of Financial Position [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetStatementOfFinancialPositionExtensibleEnumeration_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Asset, Statement of Financial Position [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestRateSwapMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Rate Swap [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestRateSwapMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Rate Swaps [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stockholders' Equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts and Financing Receivables [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Accounts Notes Loans And Financing Receivable [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Earnings (Loss) per Common Share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Net income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Net income (loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from (Payment for) Other Financing Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromPaymentsForOtherFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other financing activities, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancialAsset90DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financial asset, 90 days past due.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancialAsset90DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financial Asset90 Days Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancialAsset90DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financial Asset, 90 Days Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativesFairValueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivatives, Fair Value [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativesFairValueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivatives Fair Value [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_BeforeHedgeAccountingAdjustmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Before hedge accounting adjustments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_BeforeHedgeAccountingAdjustmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Before Hedge Accounting Adjustments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_BeforeHedgeAccountingAdjustmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Before Hedge Accounting Adjustments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_EliminationsAndReconcilingItemsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the aggregate total of reconciling items and elimination items.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_EliminationsAndReconcilingItemsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Eliminations And Reconciling Items [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_EliminationsAndReconcilingItemsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Eliminations And Reconciling Items</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_EliminationsAndReconcilingItemsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Adjustments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Fiscal Year Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentFiscalYearFocus_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Fiscal Year Focus</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Modified [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TroubledDebtRestructuringsOnFinancingReceivablesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans Modified Accounts for TDR</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Included in Earnings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringBasisGainLossIncludedInEarningsTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Measured on Recurring Basis, Gain (Loss) Included in Earnings [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Concentration Risk Benchmark [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ConcentrationRiskBenchmarkDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Concentration Risk Benchmark</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdate202202Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Standards Update 2022-02 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingStandardsUpdate202202Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">ASU 2022-02 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from investing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllOtherSegmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Segment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllOtherSegmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Operating Segment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loss on sale of business</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnSaleOfBusiness_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Disposition of Business</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CorporateExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Corporate expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CorporateExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Corporate expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CorporateExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Corporate expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherLiabilities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Other Liabilities, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfOtherAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Other Assets [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfOtherAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule of Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ChargeOffsRelatedToResolutionOfLoansInBankruptcy_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Charge offs related to resolution of loans in bankruptcy.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ChargeOffsRelatedToResolutionOfLoansInBankruptcy_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Charge Offs Related To Resolution Of Loans In Bankruptcy</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ChargeOffsRelatedToResolutionOfLoansInBankruptcy_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Charge offs related to resolution of loans in bankruptcy</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Disclosures [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommitmentsAndContingenciesDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Commitments and Contingencies Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OffsettingAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Offsetting Assets [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OffsettingAssetsTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gross Positions with Impact of Master Netting Agreements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ForeignCurrencyDollerDenominatedDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-U.S. Doller Denominated Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ForeignCurrencyDollerDenominatedDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Foreign Currency Doller Denominated Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ForeignCurrencyDollerDenominatedDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Foreign currency Doller denominated debt.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument [Axis]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentRiskAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Instrument</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentRiskAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instrument [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AssetsFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Investing Activity, Including Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash provided by investing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Title of 12(b) Security</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_Security12bTitle_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Title of 12(b) Security</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Segment Reporting Information, by Segment [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Segment Reporting Information By Segment [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative, Fair Value, Amount Offset Against Collateral, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net positive exposure related to corporate derivatives</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Exposure, net of collateral</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueAmountOffsetAgainstCollateralNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Derivative, Fair Value, Amount Offset Against Collateral, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractualInterestRateReductionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Contractual Interest Rate Reduction [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ContractualInterestRateReductionMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Rate Concession [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Instruments and Hedging Activities Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Financial Instruments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Repurchase Program, Remaining Authorized, Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockRepurchaseProgramRemainingAuthorizedRepurchaseAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Remaining common stock repurchase authority</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Expense [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestExpenseMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Interest Expense [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForCreditLossesTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Allowance for Credit Losses [Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Document Information [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_DocumentInformationTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Document Information [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidated Entities [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consolidated Entities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ReconciliationOfRevenueFromSegmentsToConsolidatedTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reconciliation of Revenue from Segments to Consolidated [Table]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsCashAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividends, Cash [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsCashAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash dividends:</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Assets And Liabilities Measured On Recurring And Nonrecurring Basis [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Additional Paid-in Capital [Member]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NonCosignerLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non cosigner loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NonCosignerLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non Cosigner Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NonCosignerLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Without Cosigner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AdjustmentsRequiredToReconcileCoreEarningsTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Adjustments Required To Reconcile Core Earnings [Table]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_StockRepurchaseProgramAuthorizedAmount1_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Repurchase Program, Authorized, Amount</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableDecreaseInExpectedFutureRecoveriesOnPreviouslyFullyChargedOffLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Decrease In Expected Future Recoveries On Previously Fully Charged Off Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableDecreaseInExpectedFutureRecoveriesOnPreviouslyFullyChargedOffLoans_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Change in balance during period</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableDecreaseInExpectedFutureRecoveriesOnPreviouslyFullyChargedOffLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Decrease in expected future recoveries on previously fully charged-off loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Trading Symbol</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_TradingSymbol_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Trading Symbol</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromRepaymentsOfCommercialPaper_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from (Repayments of) Commercial Paper</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromRepaymentsOfCommercialPaper_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset-backed commercial paper conduits, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromRepaymentsOfCommercialPaper_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Proceeds from (Repayments of) Commercial Paper, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeasoningThirtySevenThruFortyEightMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Seasoning thirty seven thru forty eight.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeasoningThirtySevenThruFortyEightMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Seasoning Thirty Seven Thru Forty Eight [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SeasoningThirtySevenThruFortyEightMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">37-48 Payments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeAssetLiabilityNetMeasurementInputExtensibleList_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset (Liability) Net, Measurement Input [Extensible Enumeration]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Loss [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AllowanceForCreditLossesOnFinancingReceivablesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for Credit Losses and Recorded Investments in Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeCreditRiskValuationAdjustmentDerivativeAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Credit Risk Valuation Adjustment, Derivative Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeCreditRiskValuationAdjustmentDerivativeAssets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Decrease in valuation due to net credit risk adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from financing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Recurring [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueMeasurementsRecurringMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Measurements Recurring [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablePortfolioSegmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Portfolio Segment [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivablePortfolioSegmentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivable Portfolio Segment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansReceivableWeightedAverageRateOfInterestAfterReduction_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans Receivable, Weighted Average Rate of Interest After Reduction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansReceivableWeightedAverageRateOfInterestAfterReduction_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans receivable, weighted average rate of interest after reduction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansReceivableWeightedAverageRateOfInterestAfterReduction_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans receivable, weighted average rate of interest after reduction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated Other Comprehensive Income (Loss) [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Components [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivables31To60DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents a portion of financing receivables that are 31 to 60 days past due.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivables31To60DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivables31 To60 Days Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivables31To60DaysPastDueMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivables, 31 to 60 Days Past Due [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity Component [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EquityComponentDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity Component</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SixFourZeroAndAboveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Fico six four zero and above.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SixFourZeroAndAboveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Six Four Zero And Above [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SixFourZeroAndAboveMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">640 and Above [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ExpectedFutureRecoveriesOnPreviouslyFullyChargedOffLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Expected Future Recoveries On Previously Fully Charged Off Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ExpectedFutureRecoveriesOnPreviouslyFullyChargedOffLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Expected future recoveries on previously fully charged-off loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ExpectedFutureRecoveriesOnPreviouslyFullyChargedOffLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">End of period expected future recoveries on previously fully charged-off loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ExpectedFutureRecoveriesOnPreviouslyFullyChargedOffLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning of period expected future recoveries on previously fully charged-off loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetChargeOffsAsPercentageOfAverageLoansInRepaymentExcludingNetAdjustmentResultingFromChangeInChargeOffRate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Charge Offs As Percentage Of Average Loans In Repayment Excluding Net Adjustment Resulting From Change In Charge Off Rate</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetChargeOffsAsPercentageOfAverageLoansInRepaymentExcludingNetAdjustmentResultingFromChangeInChargeOffRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net charge offs as percentage of average loans in repayment excluding net adjustment resulting from change in charge off rate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetChargeOffsAsPercentageOfAverageLoansInRepaymentExcludingNetAdjustmentResultingFromChangeInChargeOffRate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net charge-offs as a percentage of average loans in repayment, excluding the net adjustment resulting from the change in charge-off rate (annualized)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Investments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Investments_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Investments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoninterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Noninterest Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherNoninterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other operating expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ReconciliationOfConsolidatedStatementsOfCashFlowsToConsolidatedBalanceSheetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Abstract element for reconciliation of consolidated statements of cash flows to consolidated balance sheets.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ReconciliationOfConsolidatedStatementsOfCashFlowsToConsolidatedBalanceSheetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Reconciliation Of Consolidated Statements Of Cash Flows To Consolidated Balance Sheets [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ReconciliationOfConsolidatedStatementsOfCashFlowsToConsolidatedBalanceSheetsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Reconciliation of the Consolidated Statements of Cash Flows to the Consolidated Balance Sheets:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIncomeTaxRefunds_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Proceeds from Income Tax Refunds</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProceedsFromIncomeTaxRefunds_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Income taxes refunds received</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net total derivatives</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative, Fair Value, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_EndingBalanceOfLoansInRepayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Ending balance of loans in repayment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_EndingBalanceOfLoansInRepayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Ending Balance Of Loans In Repayment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_EndingBalanceOfLoansInRepayment_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending loans in repayment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsSharebasedCompensationStock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Dividend, Share-Based Payment Arrangement, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DividendsSharebasedCompensationStock_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Dividend equivalent units related to employee stock-based compensation plans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MajorCustomersAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Customer [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MajorCustomersAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Customer</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Loans, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NotesReceivableNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans, Carrying Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CollateralHeldAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Collateral held.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CollateralHeldAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Collateral Held [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CollateralHeldAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Collateral held:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StatementOfIncomeAndComprehensiveIncomeAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Comprehensive Income [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Loss [Roll Forward]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableAllowanceForCreditLossesRollForward_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Allowance for Loan Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Maximum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_MaximumMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Maximum [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeCollateralObligationToReturnCash_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash Not Offset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeCollateralObligationToReturnCash_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Cash (obligation to return cash collateral is recorded in short-term borrowings)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeCollateralObligationToReturnCash_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Cash collateral (held) pledged, Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CrossCurrencyInterestRateContractMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cross Currency Interest Rate Contract [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CrossCurrencyInterestRateContractMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cross-Currency Interest Rate Swaps [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PrivateEducationLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Private education loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PrivateEducationLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Private Education Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PrivateEducationLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Private Education Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PrivateEducationLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Private Education Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Liabilities, Fair Value Disclosure</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LiabilitiesFairValueDisclosure_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Liabilities, Fair Value Disclosure, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DesignatedAsHedgingInstrumentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Designated as Hedging Instrument [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DesignatedAsHedgingInstrumentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Designated as Hedging Instrument [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Statistical Measurement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RangeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statistical Measurement [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_GovernmentServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Government services.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_GovernmentServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Government Services [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_GovernmentServicesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Government Services [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Value, Issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockValue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock, par value $0.01 per share, 1.125 billion shares authorized: 467 million and 465 million shares issued, respectively</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FederalGovernmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Federal Government.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FederalGovernmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Federal Government [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FederalGovernmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Federal Government [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Allowance for Credit Loss [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFinancingReceivableAllowanceForCreditLossesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Schedule Of Financing Receivable Allowance For Credit Losses [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Equity, Including Portion Attributable to Noncontrolling Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel">Ending Balance, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel">Beginning Balance, Value</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total equity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeCollateralObligationToReturnSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Security Not Offset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeCollateralObligationToReturnSecurities_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities at fair value - corporate derivatives (not recorded in financial statements)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DerivativeFairValueOfDerivativeNetAssetsAmountOffsetAgainstCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net position, Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DerivativeFairValueOfDerivativeNetAssetsAmountOffsetAgainstCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Fair Value Of Derivative Net Assets Amount Offset Against Collateral</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DerivativeFairValueOfDerivativeNetAssetsAmountOffsetAgainstCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Derivative fair value of derivative net assets amount offset against collateral.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DerivativeFairValueOfDerivativeNetAssetsAmountOffsetAgainstCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net position, Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ComprehensiveIncomeNetOfTaxAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Comprehensive income (loss):</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Settlements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationSettlements_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Settlements</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetFairValueHedgeIneffectivenessGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Fair Value Hedge Ineffectiveness Gains Losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetFairValueHedgeIneffectivenessGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net fair value hedge ineffectiveness gains losses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetFairValueHedgeIneffectivenessGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net fair value hedge ineffectiveness gains (losses)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetFairValueHedgeIneffectivenessGainsLosses_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net fair value hedge ineffectiveness gains (losses)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Preferred Stock, Shares Authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Preferred stock, shares authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PreferredStockSharesAuthorized_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Preferred stock, shares authorized</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CertainLoanModificationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Certain loan modifications.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CertainLoanModificationsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Certain Loan Modifications [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Securities Financing Transaction [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuritiesFinancingTransactionTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Securities Financing Transaction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MergersAcquisitionsAndDispositionsDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Mergers, Acquisitions and Dispositions Disclosures [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MergersAcquisitionsAndDispositionsDisclosuresTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Divestitures</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Debt [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Company's Borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueBalanceSheetGroupingFinancialStatementCaptionsLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounts, Notes, Loans and Financing Receivable [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accounts Notes And Loans Receivable [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityRegistrantName_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Registrant Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Borrowings</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsTwoYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable, allowance for credit losses write offs two years before latest fiscal year.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsTwoYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Allowance for Credit Losses Write Offs Two Years Before Latest Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsTwoYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loan, Net Charge-Offs in Year Three</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockSharesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Treasury Stock, Shares, Acquired</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockSharesAcquired_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Common stock repurchased, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_TreasuryStockSharesAcquired_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Common stock repurchased, shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Assets Disclosure [Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherAssetsDisclosureTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Other Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SaleOfEquityInterestsInSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Sale Of Equity Interests In Subsidiary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SaleOfEquityInterestsInSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Sale of equity interests in subsidiary.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SaleOfEquityInterestsInSubsidiary_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Sale of equity interests in subsidiary</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidated Entities [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidatedEntitiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consolidated Entities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Net tax effect</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income tax expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Income tax expense (benefit)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeTaxExpenseBenefit_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net tax effect</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Frequency [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueByMeasurementFrequencyAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Measurement Frequency</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockDividendsPerShareCashPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Common Stock, Dividends, Per Share, Cash Paid</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockDividendsPerShareCashPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Dividends per common share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_CommonStockDividendsPerShareCashPaid_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Dividends per share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement Inputs and Valuation Techniques [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unobservable Data Used in Recurring Valuations of Level 3</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoanStatusGreaterThanNinetyDaysDelinquentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loan status greater than Ninety Days delinquent</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoanStatusGreaterThanNinetyDaysDelinquentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan Status Greater Than Ninety Days Delinquent [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoanStatusGreaterThanNinetyDaysDelinquentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Greater than 90 days Delinquent [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Common Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityCommonStockSharesOutstanding_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Entity Common Stock, Shares Outstanding</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AverageBalanceOfLoansInRepayment_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Average balance of loans in repayment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AverageBalanceOfLoansInRepayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Average Balance Of Loans In Repayment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AverageBalanceOfLoansInRepayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Average loans in repayment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accumulated Other Comprehensive Income (Loss), Net of Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Accumulated Other Comprehensive Income (Loss), Net of Tax, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Accumulated other comprehensive income (net of tax expense of $0 and $1, respectively)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidationItemsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consolidation Items</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_ConsolidationItemsAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consolidation Items [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Payment for (Proceeds from) Other Investing Activity</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PaymentsForProceedsFromOtherInvestingActivities_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Other investing activities, net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_UnallocatedSharedServicesExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Unallocated shared services expenses.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_UnallocatedSharedServicesExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Unallocated Shared Services Expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_UnallocatedSharedServicesExpenses_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Unallocated shared services expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_Assets_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Financing Receivable [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentClassOfFinancingReceivableDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Financing Receivable</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Income Statement [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Past Due [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableRecordedInvestmentPastDueLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Financing Receivable Recorded Investment Past Due [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NonModifiedLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Non-modified loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NonModifiedLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Non-modified Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NonModifiedLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Non-Modified [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilityFairValueOfCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability, Fair Value of Collateral</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeLiabilityFairValueOfCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total collateral pledged</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FFELPLoanAssetBackedSecuritizationsRepurchaseFacilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">FFELP loan asset-backed securitizations repurchase facilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FFELPLoanAssetBackedSecuritizationsRepurchaseFacilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">F F E L P Loan Asset Backed Securitizations Repurchase Facilities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FFELPLoanAssetBackedSecuritizationsRepurchaseFacilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FFELP Loan Asset-backed Securitization Repurchase Facilities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FFELPLoanAssetBackedSecuritizationsRepurchaseFacilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">FFELP Loan Securitizations ABS Repurchase Facilities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stock Issued During Period, Shares, New Issues</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Issuance of common shares, Shares</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Common shares issued</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_BusinessCombinationsAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Business Combination [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Earnings Per Share, Diluted</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Earnings Per Share, Diluted, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Diluted earnings per common share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_EarningsPerShareDiluted_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Diluted earnings (loss) per common share</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Segment Reporting Information, by Segment [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfSegmentReportingInformationBySegmentTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Asset Information for Loans Segment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Operating Segments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Operating Segments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_StaffordLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Stafford loans member.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_StaffordLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Stafford Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_StaffordLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stafford Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/label">City Area Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_CityAreaCode_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">City Area Code</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ServicingRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Servicing revenue.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ServicingRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Servicing Revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ServicingRevenue_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Servicing revenue</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Restricted Investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RestrictedInvestments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Benefit and insurance-related investments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetImpactOfDerivativeAccountingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Net impact of derivative accounting.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetImpactOfDerivativeAccountingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Impact Of Derivative Accounting [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetImpactOfDerivativeAccountingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net Impact of Derivative Accounting [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForLoanLossesExpensed_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Provisions for loan losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForLoanLossesExpensed_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Less: provisions for loan losses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ProvisionForLoanLossesExpensed_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Total provision</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ConsumerLendingSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consumer Lending Segment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ConsumerLendingSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consumer Lending Segment [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ConsumerLendingSegmentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Consumer lending segment.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Instrument, Face Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Debt principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueHedgingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Hedging [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueHedgingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ChangeInMarkToMarketGainsLossesRelatingToInstrumentsStillHeldAtReportingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Change in mark-to-market gains/(losses) relating to instruments still held at the reporting date.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ChangeInMarkToMarketGainsLossesRelatingToInstrumentsStillHeldAtReportingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Change In Mark To Market Gains Losses Relating To Instruments Still Held At Reporting Date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ChangeInMarkToMarketGainsLossesRelatingToInstrumentsStillHeldAtReportingDate_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Change in mark-to-market gains/(losses) relating to instruments still held at the reporting date</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RepurchaseAgreementCounterpartyNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Counterparty Name [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="srt_RepurchaseAgreementCounterpartyNameDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Counterparty Name</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestRateFloorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Floor Income Contracts [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InterestRateFloorMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Rate Floor [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, after Tax</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_OtherComprehensiveIncomeLossCashFlowHedgeGainLossReclassificationAfterTax_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Reclassification adjustments for derivative (gains) losses included in net income (interest expense)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DebtTranchesDefaultAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Debt tranches default amount.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DebtTranchesDefaultAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Debt Tranches Default Amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DebtTranchesDefaultAmount_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Debt tranches default principal amount</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Summary Of Significant Accounting Policies [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Summary Of Significant Accounting Policies [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_SummaryOfSignificantAccountingPoliciesTable_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Summary Of Significant Accounting Policies [Table]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CosignerLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Cosigner loan.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CosignerLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cosigner Loan [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_CosignerLoanMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">With Cosigner [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_RehabLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Rehab Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_RehabLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Rehab Loans [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_RehabLoansMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Rehab loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Segment Reporting Information [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingInformationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Segment Reporting Information [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Net Derivative Asset Liability Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiability_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability, Subject to Master Netting Arrangement, before Offset</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiability_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Derivative liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DeferredCostsCapitalizedPrepaidAndOtherAssetsDisclosureAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Property, Plant and Equipment, Net</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fixed assets</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Property, Plant and Equipment, Net, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FFELPLoanABCPFacilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">FFELP loan ABCP facilities.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FFELPLoanABCPFacilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">F F E L P Loan A B C P Facilities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FFELPLoanABCPFacilitiesMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">FFELP Loan ABCP Facilities [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Net Derivative Asset (Liability) Measured on Recurring Basis, Unobservable Inputs Reconciliation, Gain (Loss) Included in Other Comprehensive Income (Loss)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationGainLossIncludedInOtherComprehensiveIncomeLoss_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Included in other comprehensive income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_InterestIncomeOperatingOnEducationLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Interest income operating on education loans.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_InterestIncomeOperatingOnEducationLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Interest Income Operating on Education Loans</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_InterestIncomeOperatingOnEducationLoans_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total interest income</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Retained Earnings [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_RetainedEarningsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Retained Earnings [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableExpectedFutureRecoveriesOfCurrentPeriodDefaults_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Represents the difference between the loan balance and the company's estimate of the amount to be collected in the future.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableExpectedFutureRecoveriesOfCurrentPeriodDefaults_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Expected Future Recoveries Of Current Period Defaults</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableExpectedFutureRecoveriesOfCurrentPeriodDefaults_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Expected future recoveries on current period gross charge-offs</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableExpectedFutureRecoveriesOfCurrentPeriodDefaults_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Expected future recoveries of current period defaults</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DecreaseInValuationDueToLiquidityAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Decrease in valuation due to liquidity adjustments.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DecreaseInValuationDueToLiquidityAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Decrease In Valuation Due To Liquidity Adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_DecreaseInValuationDueToLiquidityAdjustments_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Decrease in valuation due to liquidity adjustments</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share-Based Payment Arrangement, Noncash Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Stock-based compensation expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ShareBasedCompensation_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Share-Based Payment Arrangement, Noncash Expense, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans Insured or Guaranteed by Government Authorities [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LoansInsuredOrGuaranteedByGovernmentAuthoritiesDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans Insured or Guaranteed by Government Authorities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansReceivableWeightedAverageRateOfInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loans receivable, weighted average rate of interest.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansReceivableWeightedAverageRateOfInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loans Receivable, Weighted Average Rate of Interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoansReceivableWeightedAverageRateOfInterest_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Loans receivable, weighted average rate of interest</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Gain (Loss) on Derivative Instruments [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_GainLossOnDerivativeInstrumentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Gains (Losses) on Derivative and Hedging Activities, Net [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value, Inputs, Level 1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Level 1 [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Class of Stock [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Stock [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Financing Activity, Including Discontinued Operation</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivities_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net cash used in financing activities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Liability, Including Not Subject to Master Netting Arrangement, after Offset and Deduction</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedTotalLabel">Net position, Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeFairValueOfDerivativeLiabilityAmountOffsetAgainstCollateral_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Derivative Liability, Including Not Subject to Master Netting Arrangement, after Offset and Deduction, Total</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FinancingReceivableOriginatedThreeYearsBeforeLatestFiscalYear_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Total Private Education Loan Credit Quality Indicators by Origination Year Four</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongTermDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-term borrowings [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Secured Debt [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SecuredDebtMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Secured Borrowings [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableModificationsImpairmentWriteDown_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Charge-offs (par)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableModificationsImpairmentWriteDown_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Financing Receivable Modifications Impairment Write Down</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_FinancingReceivableModificationsImpairmentWriteDown_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Financing receivable, modifications, impairment write down.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeContractTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Derivative Contract [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_DerivativeContractTypeDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Derivative Contract</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputDiscountForLackOfMarketabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Measurement Input, Discount for Lack of Marketability [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_MeasurementInputDiscountForLackOfMarketabilityMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Bid/ask adjustment to discount rate [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoanStatusCurrentOrNinetyDaysOrLessDelinquentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Loan status current or Ninety Days or less delinquent.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoanStatusCurrentOrNinetyDaysOrLessDelinquentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Loan Status Current Or Ninety Days Or Less Delinquent [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_LoanStatusCurrentOrNinetyDaysOrLessDelinquentMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Current/90 Days or Less Delinquent [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Interactive Data Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Entity Interactive Data Current</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Statement of Income Location, Balance [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_IncomeStatementLocationDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Income Statement Location</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosureItemAmountsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Fair Value Measurement [Domain]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_FairValueDisclosureItemAmountsDomain_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Fair Value Measurement</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Cash flows from operating activities</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SegmentReportingRevenueReconcilingItemLineItems_lbl" xlink:role="http://www.xbrl.org/2003/role/verboseLabel">Segment Reporting, Revenue Reconciling Item [Line Items]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfTreasuryStockByClassTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Class of Treasury Stock [Table Text Block]</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetChargeOffsAsPercentageOfAverageLoansInRepayment_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Net Charge Offs As Percentage Of Average Loans In Repayment</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetChargeOffsAsPercentageOfAverageLoansInRepayment_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Net charge-offs as a percentage of average loans in repayment (annualized)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_NetChargeOffsAsPercentageOfAverageLoansInRepayment_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Net charge-offs as a percentage of average loans in repayment (annualized)</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_HedgeAccountingAdjustmentsMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Hedge accounting adjustments.</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_EntityTaxIdentificationNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Entity Tax Identification Number</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_StockholdersEquityIncludingPortionAttributableToNoncontrollingInterestAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Equity</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_SharePrice_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Share Price</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Long-Term Debt, Type [Axis]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_LongtermDebtTypeAxis_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Long-Term Debt, Type</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PercentageGuaranteedAsToPrincipalAndAccruedInterestByFederalGovermentInEventOfDefault_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Percentage guaranteed as to principal and accrued interest by federal goverment in event of default.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PercentageGuaranteedAsToPrincipalAndAccruedInterestByFederalGovermentInEventOfDefault_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Percentage Guaranteed as to Principal and Accrued Interest by Federal Goverment in Event of Default</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_PercentageGuaranteedAsToPrincipalAndAccruedInterestByFederalGovermentInEventOfDefault_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Percentage guaranteed as to principal and accrued interest by federal goverment in event of default</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Local Phone Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="dei_LocalPhoneNumber_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Local Phone Number</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFairValueHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Schedule of Fair Value Hedging Instruments, Statements of Financial Performance and Financial Position, Location [Table Text Block]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_ScheduleOfFairValueHedgingInstrumentsStatementsOfFinancialPerformanceAndFinancialPositionLocationTableTextBlock_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Carrying Value and Related Fair Value Hedging Adjustments of Liabilities</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ConsumerLendingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Consumer lending.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ConsumerLendingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Consumer Lending [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_ConsumerLendingMember_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Consumer Lending [Member]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Weighted Average Number of Shares Outstanding, Diluted [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/terseLabel">Denominator:</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AdjustmentFromChangeInChargeOffRate_lbl" xlink:role="http://www.xbrl.org/2009/role/negatedLabel">Adjustment resulting from the change in the charge-off rate</link:label>
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          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="navi_AdjustmentFromChangeInChargeOffRate_lbl" xlink:role="http://www.xbrl.org/2003/role/documentation">Adjustment from change in charge off rate.</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoninterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Noninterest Expense</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_NoninterestExpense_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Total expenses</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_AccountingPoliciesAbstract_lbl" xlink:role="http://www.xbrl.org/2003/role/label">Accounting Policies [Abstract]</link:label>
          <link:label xml:lang="en-US" xlink:type="resource" xlink:label="us-gaap_InvestmentsAndCash_lbl" xlink:role="http://www.xbrl.org/2003/role/totalLabel">Investments and Cash, Total</link:label>
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          <link:labelArc xlink:type="arc" xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="navi_AccountingStandardUpdate202004Member" xlink:to="navi_AccountingStandardUpdate202004Member_lbl"/>
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          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_IncomeTaxExpenseBenefit" xlink:label="us-gaap_IncomeTaxExpenseBenefit"/>
          <link:loc xlink:type="locator" xlink:href="navi-20250630.xsd#navi_GoodwillAndAcquiredIntangibleAssetsImpairmentAndAmortizationExpense" xlink:label="navi_GoodwillAndAcquiredIntangibleAssetsImpairmentAndAmortizationExpense"/>
        </link:calculationLink>
        <link:calculationLink xlink:type="extended" xlink:role="http://navient.com/20250630/taxonomy/role/DisclosureSegmentReportingSegmentResultsAndReconciliationsToGaapReportableSegmentSignificantOperatingExpensesDetails">
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_ExpenseRelatedToDistributionOrServicingAndUnderwritingFees" order="0" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_InformationTechnologyAndDataProcessing" order="1" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_OperatingExpenses" xlink:to="navi_CorporateExpenses" order="2" weight="1" use="optional"/>
          <link:calculationArc xlink:type="arc" xlink:arcrole="https://xbrl.org/2023/arcrole/summation-item" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_OtherExpenses" order="3" weight="1" use="optional"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OperatingExpenses" xlink:label="us-gaap_OperatingExpenses"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_ExpenseRelatedToDistributionOrServicingAndUnderwritingFees" xlink:label="us-gaap_ExpenseRelatedToDistributionOrServicingAndUnderwritingFees"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_InformationTechnologyAndDataProcessing" xlink:label="us-gaap_InformationTechnologyAndDataProcessing"/>
          <link:loc xlink:type="locator" xlink:href="navi-20250630.xsd#navi_CorporateExpenses" xlink:label="navi_CorporateExpenses"/>
          <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2025/elts/us-gaap-2025.xsd#us-gaap_OtherExpenses" xlink:label="us-gaap_OtherExpenses"/>
        </link:calculationLink>
      </link:linkbase>
    </xsd:appinfo>
  </xsd:annotation>
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  <xsd:element id="navi_SeasoningOneThruTwelveMember" name="SeasoningOneThruTwelveMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_MarkToMarketGainLossOnDerivativeAndHedgingActivitiesNet" name="MarkToMarketGainLossOnDerivativeAndHedgingActivitiesNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_ModifiedLoansMember" name="ModifiedLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_HedgeAccountingAdjustmentsMember" name="HedgeAccountingAdjustmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_GrossIssuanceOfDebtDuringPeriod" name="GrossIssuanceOfDebtDuringPeriod" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_SummaryOfAmortizedCostBasisOfLoansToBorrowersTableTextBlock" name="SummaryOfAmortizedCostBasisOfLoansToBorrowersTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="navi_LoanStatusGreaterThanNinetyDaysDelinquentMember" name="LoanStatusGreaterThanNinetyDaysDelinquentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_PrivateEducationLoansMember" name="PrivateEducationLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_OtherNoninterestIncomeLoss" name="OtherNoninterestIncomeLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_CounterPartyMember" name="CounterPartyMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_AverageBalanceOfLoansInRepayment" name="AverageBalanceOfLoansInRepayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_PrivateEducationLoanSecuritizationsMember" name="PrivateEducationLoanSecuritizationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_BusinessProcessingMember" name="BusinessProcessingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_NetFairValueHedgeIneffectivenessGainsLosses" name="NetFairValueHedgeIneffectivenessGainsLosses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_CertainLoanModificationsMember" name="CertainLoanModificationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_PreferredStockPurchaseRightsMember" name="PreferredStockPurchaseRightsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_LoansInRepaymentAndPercentageOfEachStatusAbstract" name="LoansInRepaymentAndPercentageOfEachStatusAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_DisposalOfSubsidiariesNetOfCashAndRestrictedCashDisposedOf" name="DisposalOfSubsidiariesNetOfCashAndRestrictedCashDisposedOf" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_ShortTermUnsecuredDebtMember" name="ShortTermUnsecuredDebtMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationGainsLossesAbstract" name="FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputReconciliationGainsLossesAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_SaleOfEquityInterestsInSubsidiary" name="SaleOfEquityInterestsInSubsidiary" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_DirectorsOrOfficersMember" name="DirectorsOrOfficersMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_SeniorUnsecuredDebtMember" name="SeniorUnsecuredDebtMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_DebtTranchesDefaultAmount" name="DebtTranchesDefaultAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_NetAdjustmentResultingFromChangeInChargeOffRateAsPercentageOfAverageLoansInRepayment" name="NetAdjustmentResultingFromChangeInChargeOffRateAsPercentageOfAverageLoansInRepayment" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="navi_RepaymentsMember" name="RepaymentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_AdjustmentsRequiredToReconcileCoreEarningsTable" name="AdjustmentsRequiredToReconcileCoreEarningsTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_NetChargeOffsAsPercentageOfAverageLoansInRepayment" name="NetChargeOffsAsPercentageOfAverageLoansInRepayment" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="navi_CorporateExpenses" name="CorporateExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_LoansReceivableWeightedAverageRateOfInterestAfterReduction" name="LoansReceivableWeightedAverageRateOfInterestAfterReduction" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="navi_FederalEducationLoansSegmentMember" name="FederalEducationLoansSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_BeforeHedgeAccountingAdjustmentsMember" name="BeforeHedgeAccountingAdjustmentsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_FinancingReceivablesDelinquentLoansInRepaymentMember" name="FinancingReceivablesDelinquentLoansInRepaymentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_ScheduleOfAmountOfLoansModifiedAndPaymentDefaultTableTextBlock" name="ScheduleOfAmountOfLoansModifiedAndPaymentDefaultTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
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  <xsd:element id="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsInCurrentFiscalYear" name="FinancingReceivableAllowanceForCreditLossesWriteOffsInCurrentFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_SteveHauberMember" name="SteveHauberMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_ExpectedFutureRecoveriesOnPreviouslyFullyChargedOffLoans" name="ExpectedFutureRecoveriesOnPreviouslyFullyChargedOffLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_FinancingReceivableModificationsPreModificationRecordedInvestment" name="FinancingReceivableModificationsPreModificationRecordedInvestment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_FinancingReceivables61To90DaysPastDueMember" name="FinancingReceivables61To90DaysPastDueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsTwoYearsBeforeLatestFiscalYear" name="FinancingReceivableAllowanceForCreditLossesWriteOffsTwoYearsBeforeLatestFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_FinancingReceivableExpectedFutureRecoveriesOfCurrentPeriodDefaults" name="FinancingReceivableExpectedFutureRecoveriesOfCurrentPeriodDefaults" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_ReconciliationOfConsolidatedStatementsOfCashFlowsToConsolidatedBalanceSheetsAbstract" name="ReconciliationOfConsolidatedStatementsOfCashFlowsToConsolidatedBalanceSheetsAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_NetChargeOffRateOnDefaultedLoans" name="NetChargeOffRateOnDefaultedLoans" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="navi_SchoolDefermentMember" name="SchoolDefermentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_FinancingReceivableModificationsChargedOff" name="FinancingReceivableModificationsChargedOff" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_FinancingReceivableDecreaseInExpectedFutureRecoveriesOnPreviouslyFullyChargedOffLoans" name="FinancingReceivableDecreaseInExpectedFutureRecoveriesOnPreviouslyFullyChargedOffLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_AccountingStandardUpdate202004Member" name="AccountingStandardUpdate202004Member" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_SixFourZeroAndAboveMember" name="SixFourZeroAndAboveMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsFourYearsBeforeLatestFiscalYear" name="FinancingReceivableAllowanceForCreditLossesWriteOffsFourYearsBeforeLatestFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_LoansReceivableAndInvestmentsFairValueDisclosure" name="LoansReceivableAndInvestmentsFairValueDisclosure" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_SchoolOrGraceOrDefermentOrForbearanceMember" name="SchoolOrGraceOrDefermentOrForbearanceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_EndingBalanceOfLoansInRepayment" name="EndingBalanceOfLoansInRepayment" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_JohnKaneMember" name="JohnKaneMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_RehabLoansMember" name="RehabLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_CommonStockSharesOutstandingMember" name="CommonStockSharesOutstandingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_CollateralHeldAbstract" name="CollateralHeldAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_SchoolGraceDefermentMember" name="SchoolGraceDefermentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_InterestRateReductionAndExtendedMaturityMember" name="InterestRateReductionAndExtendedMaturityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_FFELPLoanSecuritizationsMember" name="FFELPLoanSecuritizationsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_ReclassificationsForCoreToGaapAccountingMember" name="ReclassificationsForCoreToGaapAccountingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_AdjustmentsRequiredToReconcileCoreEarningsLineItems" name="AdjustmentsRequiredToReconcileCoreEarningsLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_UnallocatedSharedServicesExpenses" name="UnallocatedSharedServicesExpenses" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_AdjustmentFromChangeInChargeOffRate" name="AdjustmentFromChangeInChargeOffRate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_LoanStatusCurrentOrNinetyDaysOrLessDelinquentMember" name="LoanStatusCurrentOrNinetyDaysOrLessDelinquentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_SecuritiesFairValueOnBalanceSheetSecuritizationDerivatives" name="SecuritiesFairValueOnBalanceSheetSecuritizationDerivatives" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_ProceedsFromPaymentsOnEducationLoans" name="ProceedsFromPaymentsOnEducationLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_FloatingInterestRateDebtMember" name="FloatingInterestRateDebtMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_ChangeInMarkToMarketGainsLossesRelatingToInstrumentsStillHeldAtReportingDate" name="ChangeInMarkToMarketGainsLossesRelatingToInstrumentsStillHeldAtReportingDate" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_ScheduleOfLoansByTypeTableTextBlock" name="ScheduleOfLoansByTypeTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="navi_OtherRevenueLoss" name="OtherRevenueLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_FinancialAsset90DaysPastDueMember" name="FinancialAsset90DaysPastDueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_ForeignCurrencyDollerDenominatedDebtMember" name="ForeignCurrencyDollerDenominatedDebtMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_FinancingReceivableAllowanceForCreditLossesReleased" name="FinancingReceivableAllowanceForCreditLossesReleased" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_RepaymentMember" name="RepaymentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_FederalGovernmentMember" name="FederalGovernmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_InterestExpenseAndDerivativeInstrumentsHedgingActivitiesMember" name="InterestExpenseAndDerivativeInstrumentsHedgingActivitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_NonModifiedLoansMember" name="NonModifiedLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_EducationLoanMember" name="EducationLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_LoanStatusMember" name="LoanStatusMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_StateAndLocalGovernmentMember" name="StateAndLocalGovernmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_SegmentResultsAndReconciliationsToGaapTableTextBlock" name="SegmentResultsAndReconciliationsToGaapTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsFiveOrMoreYearsBeforeLatestFiscalYear" name="FinancingReceivableAllowanceForCreditLossesWriteOffsFiveOrMoreYearsBeforeLatestFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_PrivateEducationLoanSecuritizationsRepurchaseFacilityMember" name="PrivateEducationLoanSecuritizationsRepurchaseFacilityMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_PeriodOfHardshipForbearanceOfPaymentsForBorrowersOfSubstantialPayments" name="PeriodOfHardshipForbearanceOfPaymentsForBorrowersOfSubstantialPayments" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="navi_ConcentrationRiskThresholdPercentage" name="ConcentrationRiskThresholdPercentage" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="navi_LoansReceivableWeightedAverageRateOfInterest" name="LoansReceivableWeightedAverageRateOfInterest" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="navi_FinancialAsset31To60DaysPastDueMember" name="FinancialAsset31To60DaysPastDueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_ChargeOffsRelatedToResolutionOfLoansInBankruptcy" name="ChargeOffsRelatedToResolutionOfLoansInBankruptcy" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsThreeYearsBeforeLatestFiscalYear" name="FinancingReceivableAllowanceForCreditLossesWriteOffsThreeYearsBeforeLatestFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_AllowanceForLoanAndLeaseLossesWriteOffsIncludingExpectedFutureRecoveries" name="AllowanceForLoanAndLeaseLossesWriteOffsIncludingExpectedFutureRecoveries" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_SeriesAJuniorParticipatingPreferredStockMember" name="SeriesAJuniorParticipatingPreferredStockMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_MarkHeleenMember" name="MarkHeleenMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_SummaryOfCoreEarningsAdjustmentsToGaapTableTextBlock" name="SummaryOfCoreEarningsAdjustmentsToGaapTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="navi_ScheduleOfCreditExposureRelatedToOurDerivativeCounterpartiesTableTextBlock" name="ScheduleOfCreditExposureRelatedToOurDerivativeCounterpartiesTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="navi_FixedInterestRateDebtMember" name="FixedInterestRateDebtMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsInFiscalYearBeforeLatestFiscalYear" name="FinancingReceivableAllowanceForCreditLossesWriteOffsInFiscalYearBeforeLatestFiscalYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_FinancingReceivables90DaysPastDueMember" name="FinancingReceivables90DaysPastDueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_FinancingReceivablesLoansInRepaymentMember" name="FinancingReceivablesLoansInRepaymentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_NetChargeOffsAsPercentageOfAverageLoansInRepaymentExcludingNetAdjustmentResultingFromChangeInChargeOffRate" name="NetChargeOffsAsPercentageOfAverageLoansInRepaymentExcludingNetAdjustmentResultingFromChangeInChargeOffRate" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="navi_NotesReceivableGrossPercentageOfBalance" name="NotesReceivableGrossPercentageOfBalance" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="navi_FFELPLoanABCPFacilitiesMember" name="FFELPLoanABCPFacilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_ConsolidationLoansMember" name="ConsolidationLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_SeasoningTwentyFiveThruThirtySixMember" name="SeasoningTwentyFiveThruThirtySixMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_FinancingReceivableAllowanceForCreditLossesWriteOffsByOrigninationYear" name="FinancingReceivableAllowanceForCreditLossesWriteOffsByOrigninationYear" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_GainsLossesRecognizedInNetIncomeOnDerivatives" name="GainsLossesRecognizedInNetIncomeOnDerivatives" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_FinancingReceivablesCurrentMember" name="FinancingReceivablesCurrentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_NetImpactOfGoodwillAndAcquiredIntangiblesMember" name="NetImpactOfGoodwillAndAcquiredIntangiblesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_ExcessOfNetAssetFairValueOverCarryingValue" name="ExcessOfNetAssetFairValueOverCarryingValue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_CollateralPledgedToOthersAbstract" name="CollateralPledgedToOthersAbstract" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_SeniorNotesDueDecemberFifteenTwoThousandFortyThreeMember" name="SeniorNotesDueDecemberFifteenTwoThousandFortyThreeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_EarningAssets" name="EarningAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_DerivativeAssetAtFairValueIncludingAccruedInterest" name="DerivativeAssetAtFairValueIncludingAccruedInterest" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_ForbearanceMember" name="ForbearanceMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_SharesPaidForTaxWithholdingForShareBasedCompensationAverageCostPerShare" name="SharesPaidForTaxWithholdingForShareBasedCompensationAverageCostPerShare" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="navi_SummaryOfSignificantAccountingPoliciesLineItems" name="SummaryOfSignificantAccountingPoliciesLineItems" type="xbrli:stringItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_SeasoningThirtySevenThruFortyEightMember" name="SeasoningThirtySevenThruFortyEightMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_FinancingReceivableModificationsImpairmentWriteDown" name="FinancingReceivableModificationsImpairmentWriteDown" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_DerivativeFairValueOfDerivativeNetAssetsAmountOffsetAgainstCollateral" name="DerivativeFairValueOfDerivativeNetAssetsAmountOffsetAgainstCollateral" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_FFELPLoanAssetBackedSecuritizationsRepurchaseFacilitiesMember" name="FFELPLoanAssetBackedSecuritizationsRepurchaseFacilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_FinancingReceivables31To60DaysPastDueMember" name="FinancingReceivables31To60DaysPastDueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_ServicingRevenue" name="ServicingRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_ABCPFacilitiesMember" name="ABCPFacilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_LoansAndLeasesReceivableGrossCarryingAmountPercent" name="LoansAndLeasesReceivableGrossCarryingAmountPercent" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
  <xsd:element id="navi_BelowSixFourZeroMember" name="BelowSixFourZeroMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_CashAndInvestmentsInterestIncomeLoss" name="CashAndInvestmentsInterestIncomeLoss" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_SeasoningThirteenThruTwentyFourMember" name="SeasoningThirteenThruTwentyFourMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_StaffordLoansMember" name="StaffordLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_FinancialAsset61To90DaysPastDueMember" name="FinancialAsset61To90DaysPastDueMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_DecreaseInValuationDueToLiquidityAdjustments" name="DecreaseInValuationDueToLiquidityAdjustments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_FinancingReceivableBeforeAllowanceForCreditLossAndFeeChangeAmount" name="FinancingReceivableBeforeAllowanceForCreditLossAndFeeChangeAmount" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_CosignerLoanMember" name="CosignerLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_LoansReceivableForPreviouslyFullyChargedOffLoansMember" name="LoansReceivableForPreviouslyFullyChargedOffLoansMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_GovernmentServicesMember" name="GovernmentServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_PeriodOfHardshipForbearanceOfPayments" name="PeriodOfHardshipForbearanceOfPayments" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="navi_HealthcareServicesMember" name="HealthcareServicesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_NonCosignerLoanMember" name="NonCosignerLoanMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_CashAndInvestmentsIncludingRestrictedCashAndInvestments" name="CashAndInvestmentsIncludingRestrictedCashAndInvestments" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_FinancingReceivablesForbearanceLoansInRepaymentMember" name="FinancingReceivablesForbearanceLoansInRepaymentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_OpenMarketShareRepurchasesMember" name="OpenMarketShareRepurchasesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_SchoolTypeMember" name="SchoolTypeMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_CommonStockParValuePointZeroOnePerShareMember" name="CommonStockParValuePointZeroOnePerShareMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_AssetRecoveryAndBusinessProcessingRevenue" name="AssetRecoveryAndBusinessProcessingRevenue" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_GoodwillAndAcquiredIntangibleAssetsImpairmentAndAmortizationExpense" name="GoodwillAndAcquiredIntangibleAssetsImpairmentAndAmortizationExpense" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_MarkToMarketGainOrLossOverLifeOfContract" name="MarkToMarketGainOrLossOverLifeOfContract" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_LoansReceivableWeightedAveragePeriodAddedToRemainingLifeOfLoan" name="LoansReceivableWeightedAveragePeriodAddedToRemainingLifeOfLoan" type="xbrli:durationItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="navi_ConsumerLendingSegmentMember" name="ConsumerLendingSegmentMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_FicoMember" name="FicoMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_InterestReceivableAndPayableAndOtherAssets" name="InterestReceivableAndPayableAndOtherAssets" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_PrivateEducationLoanABCPFacilitiesMember" name="PrivateEducationLoanABCPFacilitiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_PercentageGuaranteedAsToPrincipalAndAccruedInterestByFederalGovermentInEventOfDefault" name="PercentageGuaranteedAsToPrincipalAndAccruedInterestByFederalGovermentInEventOfDefault" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="navi_SeasoningMoreThanFortyEightMember" name="SeasoningMoreThanFortyEightMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_AdjustmentsForCoreToGaapAccountingMember" name="AdjustmentsForCoreToGaapAccountingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_NotForProfitMember" name="NotForProfitMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_DerivativeAssetsLiabilitiesAtCarryingValueNet" name="DerivativeAssetsLiabilitiesAtCarryingValueNet" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false" xbrli:balance="debit"/>
  <xsd:element id="navi_TollingAuthoritiesMember" name="TollingAuthoritiesMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_NetImpactOfDerivativeAccountingMember" name="NetImpactOfDerivativeAccountingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_GrossPaydownsOfDebt" name="GrossPaydownsOfDebt" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_InterestIncomeOperatingOnEducationLoans" name="InterestIncomeOperatingOnEducationLoans" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_AdditionsSubtractionsForCoreToGaapAccountingMember" name="AdditionsSubtractionsForCoreToGaapAccountingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_OtherBorrowingsMember" name="OtherBorrowingsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_ForProfitMember" name="ForProfitMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_EliminationsAndReconcilingItemsMember" name="EliminationsAndReconcilingItemsMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_SummaryOfSignificantAccountingPoliciesTable" name="SummaryOfSignificantAccountingPoliciesTable" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_SummaryOfPerformanceAndRelatedLoanStatusOfLoansModifiedTableTextBlock" name="SummaryOfPerformanceAndRelatedLoanStatusOfLoansModifiedTableTextBlock" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="navi_FinanceReceivablePercentageOfLoanType" name="FinanceReceivablePercentageOfLoanType" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false"/>
  <xsd:element id="navi_ConsumerLendingMember" name="ConsumerLendingMember" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="true"/>
  <xsd:element id="navi_CoreEarningsAdjustmentsToGaap" name="CoreEarningsAdjustmentsToGaap" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" xbrli:periodType="duration" nillable="true" abstract="false" xbrli:balance="credit"/>
  <xsd:element id="navi_FinancingReceivableAllowanceForCreditLossesPercentageOfChargeOffs" name="FinancingReceivableAllowanceForCreditLossesPercentageOfChargeOffs" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" xbrli:periodType="instant" nillable="true" abstract="false"/>
</xsd:schema>
