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v2.4.1.9

Condensed Consolidating Financial Information (Details 2) (USD $) | 3 Months Ended | 12 Months Ended
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Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Revenues and other income: |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  |  |  |  |  |  |  |  | $ 6,804,197,000 us-gaap_SalesRevenueNet | $ 6,152,015,000 us-gaap_SalesRevenueNet | $ 6,843,051,000 us-gaap_SalesRevenueNet
Earnings from unconsolidated affiliates | (400,000)us-gaap_IncomeLossFromEquityMethodInvestments | (2,900,000)us-gaap_IncomeLossFromEquityMethodInvestments | (600,000)us-gaap_IncomeLossFromEquityMethodInvestments | (2,400,000)us-gaap_IncomeLossFromEquityMethodInvestments | (1,600,000)us-gaap_IncomeLossFromEquityMethodInvestments | (2,600,000)us-gaap_IncomeLossFromEquityMethodInvestments | 1,400,000 us-gaap_IncomeLossFromEquityMethodInvestments | 2,900,000 us-gaap_IncomeLossFromEquityMethodInvestments | (6,301,000)us-gaap_IncomeLossFromEquityMethodInvestments | 39,000 us-gaap_IncomeLossFromEquityMethodInvestments | (288,718,000)us-gaap_IncomeLossFromEquityMethodInvestments
Investment income (loss) |  |  |  |  |  |  |  |  | 11,831,000 us-gaap_InvestmentIncomeInterestAndDividend | 96,577,000 us-gaap_InvestmentIncomeInterestAndDividend | 63,137,000 us-gaap_InvestmentIncomeInterestAndDividend
Total revenues and other income |  |  |  |  |  |  |  |  | 6,809,727,000 nbr_RevenuesAndOtherIncome | 6,248,631,000 nbr_RevenuesAndOtherIncome | 6,617,470,000 nbr_RevenuesAndOtherIncome
Costs and other deductions: |  |  |  |  |  |  |  |  |  |  |
Direct costs |  |  |  |  |  |  |  |  | 4,505,064,000 us-gaap_CostOfGoodsAndServicesSold | 3,981,828,000 us-gaap_CostOfGoodsAndServicesSold | 4,367,106,000 us-gaap_CostOfGoodsAndServicesSold
General and administrative expenses |  |  |  |  |  |  |  |  | 549,734,000 us-gaap_GeneralAndAdministrativeExpense | 525,330,000 us-gaap_GeneralAndAdministrativeExpense | 527,953,000 us-gaap_GeneralAndAdministrativeExpense
Depreciation and amortization |  |  |  |  |  |  |  |  | 1,145,100,000 nbr_DepreciationAndAmortizationContinuingOperations | 1,086,677,000 nbr_DepreciationAndAmortizationContinuingOperations | 1,039,923,000 nbr_DepreciationAndAmortizationContinuingOperations
Interest expense |  |  |  |  |  |  |  |  | 177,948,000 us-gaap_InterestExpense | 223,418,000 us-gaap_InterestExpense | 251,904,000 us-gaap_InterestExpense
Losses (gains) on sales and disposals of long-lived assets and other expense (income), net |  |  |  |  |  |  |  |  | 9,073,000 nbr_LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNet | 37,977,000 nbr_LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNet | (136,636,000)nbr_LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNet
Impairments and other charges |  |  |  |  |  |  |  |  | 1,027,423,000 nbr_AssetImpairmentAndOtherCharges | 287,241,000 nbr_AssetImpairmentAndOtherCharges | 290,260,000 nbr_AssetImpairmentAndOtherCharges
Total costs and other deductions |  |  |  |  |  |  |  |  | 7,414,342,000 us-gaap_CostsAndExpenses | 6,142,471,000 us-gaap_CostsAndExpenses | 6,340,510,000 us-gaap_CostsAndExpenses
Income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | (604,615,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 106,160,000 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest | 276,960,000 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest
Income tax expense (benefit) |  |  |  |  |  |  |  |  | 62,666,000 us-gaap_IncomeTaxExpenseBenefit | (55,181,000)us-gaap_IncomeTaxExpenseBenefit | 40,986,000 us-gaap_IncomeTaxExpenseBenefit
Subsidiary preferred stock dividend |  |  |  |  |  |  |  |  | 1,984,000 nbr_SubsidiaryPreferredStockDividend | 3,000,000 nbr_SubsidiaryPreferredStockDividend | 3,000,000 nbr_SubsidiaryPreferredStockDividend
Income (loss) from continuing operations, net of tax | (886,401,000)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 102,430,000 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 65,729,000 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 48,977,000 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 128,516,000 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | (90,510,000)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 28,128,000 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 92,207,000 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | (669,265,000)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 158,341,000 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest | 232,974,000 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest
Income (loss) from discontinued operations, net of tax | (4,467,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 4,005,000 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | (1,032,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 1,515,000 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 23,113,000 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | (14,430,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | (26,873,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 7,011,000 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | 21,000 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | (11,179,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax | (67,526,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax
Net income (loss) |  |  |  |  |  |  |  |  | (669,244,000)us-gaap_ProfitLoss | 147,162,000 us-gaap_ProfitLoss | 165,448,000 us-gaap_ProfitLoss
Less: Net (income) loss attributable to noncontrolling interest | (202,000)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | (387,000)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | (253,000)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | (573,000)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | (1,026,000)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | (441,000)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | (5,616,000)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | (97,000)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | (1,415,000)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | (7,180,000)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest | (621,000)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest
Net income (loss) attributable to Nabors | (891,070,000)us-gaap_NetIncomeLoss | 106,048,000 us-gaap_NetIncomeLoss | 64,444,000 us-gaap_NetIncomeLoss | 49,919,000 us-gaap_NetIncomeLoss | 150,603,000 us-gaap_NetIncomeLoss | (105,381,000)us-gaap_NetIncomeLoss | (4,361,000)us-gaap_NetIncomeLoss | 99,121,000 us-gaap_NetIncomeLoss | (670,659,000)us-gaap_NetIncomeLoss | 139,982,000 us-gaap_NetIncomeLoss | 164,827,000 us-gaap_NetIncomeLoss
Parent Company |  |  |  |  |  |  |  |  |  |  |
Revenues and other income: |  |  |  |  |  |  |  |  |  |  |
Earnings (losses) from consolidated affiliates |  |  |  |  |  |  |  |  | (653,124,000)nbr_EarningsFromConsolidatedAffiliates / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 158,445,000 nbr_EarningsFromConsolidatedAffiliates / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 173,199,000 nbr_EarningsFromConsolidatedAffiliates / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Investment income (loss) |  |  |  |  |  |  |  |  |  | 1,000 us-gaap_InvestmentIncomeInterestAndDividend / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |
Total revenues and other income |  |  |  |  |  |  |  |  | (653,124,000)nbr_RevenuesAndOtherIncome / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 158,446,000 nbr_RevenuesAndOtherIncome / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 173,199,000 nbr_RevenuesAndOtherIncome / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Costs and other deductions: |  |  |  |  |  |  |  |  |  |  |
General and administrative expenses |  |  |  |  |  |  |  |  | 9,531,000 us-gaap_GeneralAndAdministrativeExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 11,111,000 us-gaap_GeneralAndAdministrativeExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 7,141,000 us-gaap_GeneralAndAdministrativeExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Losses (gains) on sales and disposals of long-lived assets and other expense (income), net |  |  |  |  |  |  |  |  | 7,668,000 nbr_LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNet / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 7,353,000 nbr_LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNet / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 1,231,000 nbr_LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNet / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Intercompany interest expense |  |  |  |  |  |  |  |  | 336,000 nbr_IntercompanyInterestExpense / dei_LegalEntityAxis = us-gaap_ParentCompanyMember |  |
Total costs and other deductions |  |  |  |  |  |  |  |  | 17,535,000 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 18,464,000 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 8,372,000 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | (670,659,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 139,982,000 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 164,827,000 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Income (loss) from continuing operations, net of tax |  |  |  |  |  |  |  |  | (670,659,000)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 139,982,000 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 164,827,000 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Net income (loss) |  |  |  |  |  |  |  |  | (670,659,000)us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 139,982,000 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 164,827,000 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Less: Net (income) loss attributable to noncontrolling interest |  |  |  |  |  |  |  |  |  | (7,180,000)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | (621,000)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Net income (loss) attributable to Nabors |  |  |  |  |  |  |  |  | (670,659,000)us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 139,982,000 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember | 164,827,000 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_ParentCompanyMember
Nabors Delaware (Issuer/Guarantor) |  |  |  |  |  |  |  |  |  |  |
Revenues and other income: |  |  |  |  |  |  |  |  |  |  |
Earnings (losses) from consolidated affiliates |  |  |  |  |  |  |  |  | (120,996,000)nbr_EarningsFromConsolidatedAffiliates / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 191,821,000 nbr_EarningsFromConsolidatedAffiliates / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (99,048,000)nbr_EarningsFromConsolidatedAffiliates / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Investment income (loss) |  |  |  |  |  |  |  |  | 1,869,000 us-gaap_InvestmentIncomeInterestAndDividend / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 75,000 us-gaap_InvestmentIncomeInterestAndDividend / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 43,000 us-gaap_InvestmentIncomeInterestAndDividend / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Intercompany interest income |  |  |  |  |  |  |  |  | 2,415,000 nbr_IntercompanyInterestIncome / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 92,000 nbr_IntercompanyInterestIncome / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 69,145,000 nbr_IntercompanyInterestIncome / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Total revenues and other income |  |  |  |  |  |  |  |  | (116,712,000)nbr_RevenuesAndOtherIncome / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 191,988,000 nbr_RevenuesAndOtherIncome / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (29,860,000)nbr_RevenuesAndOtherIncome / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Costs and other deductions: |  |  |  |  |  |  |  |  |  |  |
General and administrative expenses |  |  |  |  |  |  |  |  | 8,001,000 us-gaap_GeneralAndAdministrativeExpense / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 796,000 us-gaap_GeneralAndAdministrativeExpense / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 458,000 us-gaap_GeneralAndAdministrativeExpense / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Depreciation and amortization |  |  |  |  |  |  |  |  | 3,608,000 nbr_DepreciationAndAmortizationContinuingOperations / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 3,610,000 nbr_DepreciationAndAmortizationContinuingOperations / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 3,610,000 nbr_DepreciationAndAmortizationContinuingOperations / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Interest expense |  |  |  |  |  |  |  |  | 198,246,000 us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 234,512,000 us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 268,904,000 us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Losses (gains) on sales and disposals of long-lived assets and other expense (income), net |  |  |  |  |  |  |  |  | (223,000)nbr_LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNet / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 211,976,000 nbr_LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNet / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (2,451,000)nbr_LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNet / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Total costs and other deductions |  |  |  |  |  |  |  |  | 209,632,000 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 450,894,000 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | 270,521,000 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | (326,344,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (258,906,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (300,381,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Income tax expense (benefit) |  |  |  |  |  |  |  |  | (75,979,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (166,769,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (74,493,000)us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Income (loss) from continuing operations, net of tax |  |  |  |  |  |  |  |  | (250,365,000)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (92,137,000)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (225,888,000)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Net income (loss) |  |  |  |  |  |  |  |  | (250,365,000)us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (92,137,000)us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (225,888,000)us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Net income (loss) attributable to Nabors |  |  |  |  |  |  |  |  | (250,365,000)us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (92,137,000)us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember | (225,888,000)us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_GuarantorSubsidiariesMember
Other Subsidiaries (Non-Guarantors) |  |  |  |  |  |  |  |  |  |  |
Revenues and other income: |  |  |  |  |  |  |  |  |  |  |
Operating revenues |  |  |  |  |  |  |  |  | 6,804,197,000 us-gaap_SalesRevenueNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 6,152,015,000 us-gaap_SalesRevenueNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 6,843,051,000 us-gaap_SalesRevenueNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Earnings from unconsolidated affiliates |  |  |  |  |  |  |  |  | (6,301,000)us-gaap_IncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 39,000 us-gaap_IncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (288,718,000)us-gaap_IncomeLossFromEquityMethodInvestments / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Earnings (losses) from consolidated affiliates |  |  |  |  |  |  |  |  | (250,365,000)nbr_EarningsFromConsolidatedAffiliates / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (92,137,000)nbr_EarningsFromConsolidatedAffiliates / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (206,413,000)nbr_EarningsFromConsolidatedAffiliates / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Investment income (loss) |  |  |  |  |  |  |  |  | 16,265,000 us-gaap_InvestmentIncomeInterestAndDividend / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 101,047,000 us-gaap_InvestmentIncomeInterestAndDividend / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 63,094,000 us-gaap_InvestmentIncomeInterestAndDividend / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Intercompany interest income |  |  |  |  |  |  |  |  | 336,000 nbr_IntercompanyInterestIncome / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember |  |
Total revenues and other income |  |  |  |  |  |  |  |  | 6,564,132,000 nbr_RevenuesAndOtherIncome / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 6,160,964,000 nbr_RevenuesAndOtherIncome / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 6,411,014,000 nbr_RevenuesAndOtherIncome / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Costs and other deductions: |  |  |  |  |  |  |  |  |  |  |
Direct costs |  |  |  |  |  |  |  |  | 4,505,064,000 us-gaap_CostOfGoodsAndServicesSold / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 3,981,828,000 us-gaap_CostOfGoodsAndServicesSold / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 4,367,106,000 us-gaap_CostOfGoodsAndServicesSold / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
General and administrative expenses |  |  |  |  |  |  |  |  | 532,789,000 us-gaap_GeneralAndAdministrativeExpense / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 514,000,000 us-gaap_GeneralAndAdministrativeExpense / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 521,962,000 us-gaap_GeneralAndAdministrativeExpense / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Depreciation and amortization |  |  |  |  |  |  |  |  | 1,141,492,000 nbr_DepreciationAndAmortizationContinuingOperations / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 1,083,067,000 nbr_DepreciationAndAmortizationContinuingOperations / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 1,036,313,000 nbr_DepreciationAndAmortizationContinuingOperations / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Interest expense |  |  |  |  |  |  |  |  | (20,298,000)us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (11,094,000)us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (17,000,000)us-gaap_InterestExpense / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Losses (gains) on sales and disposals of long-lived assets and other expense (income), net |  |  |  |  |  |  |  |  | 1,041,000 nbr_LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (181,929,000)nbr_LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (137,024,000)nbr_LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNet / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Impairments and other charges |  |  |  |  |  |  |  |  | 1,027,423,000 nbr_AssetImpairmentAndOtherCharges / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 287,241,000 nbr_AssetImpairmentAndOtherCharges / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 290,260,000 nbr_AssetImpairmentAndOtherCharges / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Intercompany interest expense |  |  |  |  |  |  |  |  | 2,415,000 nbr_IntercompanyInterestExpense / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 92,000 nbr_IntercompanyInterestExpense / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 69,145,000 nbr_IntercompanyInterestExpense / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Total costs and other deductions |  |  |  |  |  |  |  |  | 7,189,926,000 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 5,673,205,000 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 6,130,762,000 us-gaap_CostsAndExpenses / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | (625,794,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 487,759,000 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 280,252,000 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Income tax expense (benefit) |  |  |  |  |  |  |  |  | 138,645,000 us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 111,588,000 us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 115,479,000 us-gaap_IncomeTaxExpenseBenefit / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Subsidiary preferred stock dividend |  |  |  |  |  |  |  |  | 1,984,000 nbr_SubsidiaryPreferredStockDividend / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 3,000,000 nbr_SubsidiaryPreferredStockDividend / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 3,000,000 nbr_SubsidiaryPreferredStockDividend / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Income (loss) from continuing operations, net of tax |  |  |  |  |  |  |  |  | (766,423,000)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 373,171,000 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 161,773,000 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Income (loss) from discontinued operations, net of tax |  |  |  |  |  |  |  |  | 21,000 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (11,179,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (67,526,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Net income (loss) |  |  |  |  |  |  |  |  | (766,402,000)us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 361,992,000 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 94,247,000 us-gaap_ProfitLoss / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Less: Net (income) loss attributable to noncontrolling interest |  |  |  |  |  |  |  |  | (1,415,000)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (7,180,000)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | (621,000)us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Net income (loss) attributable to Nabors |  |  |  |  |  |  |  |  | (767,817,000)us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 354,812,000 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember | 93,626,000 us-gaap_NetIncomeLoss / dei_LegalEntityAxis = us-gaap_NonGuarantorSubsidiariesMember
Consolidation, Eliminations |  |  |  |  |  |  |  |  |  |  |
Revenues and other income: |  |  |  |  |  |  |  |  |  |  |
Earnings (losses) from consolidated affiliates |  |  |  |  |  |  |  |  | 1,024,485,000 nbr_EarningsFromConsolidatedAffiliates / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | (258,129,000)nbr_EarningsFromConsolidatedAffiliates / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | 132,262,000 nbr_EarningsFromConsolidatedAffiliates / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember
Investment income (loss) |  |  |  |  |  |  |  |  | (6,303,000)us-gaap_InvestmentIncomeInterestAndDividend / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | (4,546,000)us-gaap_InvestmentIncomeInterestAndDividend / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember |
Intercompany interest income |  |  |  |  |  |  |  |  | (2,751,000)nbr_IntercompanyInterestIncome / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | (92,000)nbr_IntercompanyInterestIncome / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | (69,145,000)nbr_IntercompanyInterestIncome / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember
Total revenues and other income |  |  |  |  |  |  |  |  | 1,015,431,000 nbr_RevenuesAndOtherIncome / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | (262,767,000)nbr_RevenuesAndOtherIncome / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | 63,117,000 nbr_RevenuesAndOtherIncome / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember
Costs and other deductions: |  |  |  |  |  |  |  |  |  |  |
General and administrative expenses |  |  |  |  |  |  |  |  | (587,000)us-gaap_GeneralAndAdministrativeExpense / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | (577,000)us-gaap_GeneralAndAdministrativeExpense / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | (1,608,000)us-gaap_GeneralAndAdministrativeExpense / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember
Losses (gains) on sales and disposals of long-lived assets and other expense (income), net |  |  |  |  |  |  |  |  | 587,000 nbr_LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNet / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | 577,000 nbr_LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNet / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | 1,608,000 nbr_LossesGainsOnSalesRetirementsAndImpairmentsOfLongLivedAssetsAndOtherExpenseIncomeNet / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember
Intercompany interest expense |  |  |  |  |  |  |  |  | (2,751,000)nbr_IntercompanyInterestExpense / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | (92,000)nbr_IntercompanyInterestExpense / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | (69,145,000)nbr_IntercompanyInterestExpense / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember
Total costs and other deductions |  |  |  |  |  |  |  |  | (2,751,000)us-gaap_CostsAndExpenses / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | (92,000)us-gaap_CostsAndExpenses / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | (69,145,000)us-gaap_CostsAndExpenses / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember
Income (loss) from continuing operations before income taxes |  |  |  |  |  |  |  |  | 1,018,182,000 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | (262,675,000)us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | 132,262,000 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember
Income (loss) from continuing operations, net of tax |  |  |  |  |  |  |  |  | 1,018,182,000 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | (262,675,000)us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | 132,262,000 us-gaap_IncomeLossFromContinuingOperationsIncludingPortionAttributableToNoncontrollingInterest / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember
Net income (loss) |  |  |  |  |  |  |  |  | 1,018,182,000 us-gaap_ProfitLoss / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | (262,675,000)us-gaap_ProfitLoss / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | 132,262,000 us-gaap_ProfitLoss / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember
Less: Net (income) loss attributable to noncontrolling interest |  |  |  |  |  |  |  |  |  | 7,180,000 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | 621,000 us-gaap_NetIncomeLossAttributableToNoncontrollingInterest / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember
Net income (loss) attributable to Nabors |  |  |  |  |  |  |  |  | $ 1,018,182,000 us-gaap_NetIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | $ (262,675,000)us-gaap_NetIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember | $ 132,262,000 us-gaap_NetIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_ConsolidationEliminationsMember

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