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Financing Receivables and Operating Leases (Schedule Of Financing Receivables Categorized By Internal Credit Risk Rating) (Details) (USD $) In Millions, unless otherwise specified
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Apr. 25, 2015
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Jul. 26, 2014
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Apr. 26, 2014
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
$ 7,887csco_FInancingreceivablesnetofunearnedincome |
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$ 8,187csco_FInancingreceivablesnetofunearnedincome |
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| Total financing receivables before allowance for credit loss |
8,113us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome |
[1] |
8,420us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome |
7,968us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome |
[1] |
| 1 to 4 |
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
3,995csco_FInancingreceivablesnetofunearnedincome / us-gaap_InternalCreditAssessmentAxis = csco_RatingOneToFourMember |
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4,312csco_FInancingreceivablesnetofunearnedincome / us-gaap_InternalCreditAssessmentAxis = csco_RatingOneToFourMember |
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| 5 to 6 |
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
3,558csco_FInancingreceivablesnetofunearnedincome / us-gaap_InternalCreditAssessmentAxis = csco_RatingFiveToSixMember |
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3,498csco_FInancingreceivablesnetofunearnedincome / us-gaap_InternalCreditAssessmentAxis = csco_RatingFiveToSixMember |
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| 7 and Higher |
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
334csco_FInancingreceivablesnetofunearnedincome / us-gaap_InternalCreditAssessmentAxis = csco_RatingSevenAndHigherMember |
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377csco_FInancingreceivablesnetofunearnedincome / us-gaap_InternalCreditAssessmentAxis = csco_RatingSevenAndHigherMember |
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| Total |
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
7,887csco_FInancingreceivablesnetofunearnedincome / us-gaap_InternalCreditAssessmentAxis = csco_TotalInternalCreditRiskRatingMember |
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8,187csco_FInancingreceivablesnetofunearnedincome / us-gaap_InternalCreditAssessmentAxis = csco_TotalInternalCreditRiskRatingMember |
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| Lease Receivables |
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
3,086csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_LeaseReceivablesMember |
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3,294csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_LeaseReceivablesMember |
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| Total financing receivables before allowance for credit loss |
3,312us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_LeaseReceivablesMember |
[1] |
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3,537us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_LeaseReceivablesMember |
[1] |
| Lease Receivables | 1 to 4 |
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
1,590csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_LeaseReceivablesMember / us-gaap_InternalCreditAssessmentAxis = csco_RatingOneToFourMember |
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1,615csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_LeaseReceivablesMember / us-gaap_InternalCreditAssessmentAxis = csco_RatingOneToFourMember |
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| Lease Receivables | 5 to 6 |
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
1,371csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_LeaseReceivablesMember / us-gaap_InternalCreditAssessmentAxis = csco_RatingFiveToSixMember |
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1,538csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_LeaseReceivablesMember / us-gaap_InternalCreditAssessmentAxis = csco_RatingFiveToSixMember |
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| Lease Receivables | 7 and Higher |
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
125csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_LeaseReceivablesMember / us-gaap_InternalCreditAssessmentAxis = csco_RatingSevenAndHigherMember |
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141csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_LeaseReceivablesMember / us-gaap_InternalCreditAssessmentAxis = csco_RatingSevenAndHigherMember |
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| Lease Receivables | Total |
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
3,086csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_LeaseReceivablesMember / us-gaap_InternalCreditAssessmentAxis = csco_TotalInternalCreditRiskRatingMember |
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3,294csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_LeaseReceivablesMember / us-gaap_InternalCreditAssessmentAxis = csco_TotalInternalCreditRiskRatingMember |
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| Loan Receivables |
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
1,720csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_LoansReceivableMember |
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1,683csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_LoansReceivableMember |
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| Total financing receivables before allowance for credit loss |
1,720us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_LoansReceivableMember |
[1] |
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1,621us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_LoansReceivableMember |
[1] |
| Loan Receivables | 1 to 4 |
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
755csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_LoansReceivableMember / us-gaap_InternalCreditAssessmentAxis = csco_RatingOneToFourMember |
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953csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_LoansReceivableMember / us-gaap_InternalCreditAssessmentAxis = csco_RatingOneToFourMember |
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| Loan Receivables | 5 to 6 |
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
816csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_LoansReceivableMember / us-gaap_InternalCreditAssessmentAxis = csco_RatingFiveToSixMember |
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593csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_LoansReceivableMember / us-gaap_InternalCreditAssessmentAxis = csco_RatingFiveToSixMember |
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| Loan Receivables | 7 and Higher |
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
149csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_LoansReceivableMember / us-gaap_InternalCreditAssessmentAxis = csco_RatingSevenAndHigherMember |
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137csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_LoansReceivableMember / us-gaap_InternalCreditAssessmentAxis = csco_RatingSevenAndHigherMember |
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| Loan Receivables | Total |
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
1,720csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_LoansReceivableMember / us-gaap_InternalCreditAssessmentAxis = csco_TotalInternalCreditRiskRatingMember |
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1,683csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = us-gaap_LoansReceivableMember / us-gaap_InternalCreditAssessmentAxis = csco_TotalInternalCreditRiskRatingMember |
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| Financed Service Contracts and Other |
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
3,081csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_FinancedServiceContractsAndOtherMember |
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3,210csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_FinancedServiceContractsAndOtherMember |
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| Total financing receivables before allowance for credit loss |
3,081us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_FinancedServiceContractsAndOtherMember |
[1] |
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2,810us-gaap_LoansAndLeasesReceivableNetOfDeferredIncome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_FinancedServiceContractsAndOtherMember |
[1] |
| Financed Service Contracts and Other | 1 to 4 |
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
1,650csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_FinancedServiceContractsAndOtherMember / us-gaap_InternalCreditAssessmentAxis = csco_RatingOneToFourMember |
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1,744csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_FinancedServiceContractsAndOtherMember / us-gaap_InternalCreditAssessmentAxis = csco_RatingOneToFourMember |
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| Financed Service Contracts and Other | 5 to 6 |
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
1,371csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_FinancedServiceContractsAndOtherMember / us-gaap_InternalCreditAssessmentAxis = csco_RatingFiveToSixMember |
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1,367csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_FinancedServiceContractsAndOtherMember / us-gaap_InternalCreditAssessmentAxis = csco_RatingFiveToSixMember |
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| Financed Service Contracts and Other | 7 and Higher |
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
60csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_FinancedServiceContractsAndOtherMember / us-gaap_InternalCreditAssessmentAxis = csco_RatingSevenAndHigherMember |
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99csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_FinancedServiceContractsAndOtherMember / us-gaap_InternalCreditAssessmentAxis = csco_RatingSevenAndHigherMember |
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| Financed Service Contracts and Other | Total |
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| Financing Receivable, Recorded Investment [Line Items] |
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| Gross receivables less unearned income |
$ 3,081csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_FinancedServiceContractsAndOtherMember / us-gaap_InternalCreditAssessmentAxis = csco_TotalInternalCreditRiskRatingMember |
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$ 3,210csco_FInancingreceivablesnetofunearnedincome / us-gaap_FinancingReceivableRecordedInvestmentByClassOfFinancingReceivableAxis = csco_FinancedServiceContractsAndOtherMember / us-gaap_InternalCreditAssessmentAxis = csco_TotalInternalCreditRiskRatingMember |
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