XML 130 R106.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Segment Information (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 item | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 item | Dec. 31, 2013 | Dec. 31, 2012
Financial information with respect to reportable segments |  |  |  |  |  |  |  |  |  |  |
Number of Major Business Lines | 2 nbr_NumberOfMajorBusinessLines |  |  |  |  |  |  |  | 2 nbr_NumberOfMajorBusinessLines |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: |  |  |  |  |  |  |  |  |  |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: | $ 1,783,407,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment | $ 1,810,911,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment | $ 1,616,405,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment | $ 1,587,173,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment | $ 1,605,390,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment | $ 1,548,965,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment | $ 1,459,326,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment | $ 1,538,373,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment | $ 6,797,896,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment | $ 6,152,054,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment | $ 6,554,333,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  |  |  |
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  | 597,998,000 us-gaap_OperatingIncomeLoss | 558,219,000 us-gaap_OperatingIncomeLoss | 908,550,000 us-gaap_OperatingIncomeLoss
U.S. oil and gas joint venture earnings (losses) | (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
Interest expense |  |  |  |  |  |  |  |  | (177,948,000)us-gaap_InterestExpense | (223,418,000)us-gaap_InterestExpense | (251,904,000)us-gaap_InterestExpense
Investment income (loss) |  |  |  |  |  |  |  |  | 11,831,000 us-gaap_InvestmentIncomeInterestAndDividend | 96,577,000 us-gaap_InvestmentIncomeInterestAndDividend | 63,137,000 us-gaap_InvestmentIncomeInterestAndDividend
Gains (losses) on sales and disposals of long-lived assets and other income (expense), 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
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
ASSETS |  |  |  |  |  |  |  |  |  |  |
Total assets | 11,879,942,000 us-gaap_Assets |  |  |  | 12,159,811,000 us-gaap_Assets |  |  |  | 11,879,942,000 us-gaap_Assets | 12,159,811,000 us-gaap_Assets |
Assets held for sale | 146,467,000 us-gaap_AssetsHeldForSaleCurrent |  |  |  | 243,264,000 us-gaap_AssetsHeldForSaleCurrent |  |  |  | 146,467,000 us-gaap_AssetsHeldForSaleCurrent | 243,264,000 us-gaap_AssetsHeldForSaleCurrent |
Equity in earnings (losses) from unconsolidated affiliates, net |  |  |  |  |  |  |  |  | (7,102,000)us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions | (800,000)us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions | (299,717,000)us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  | 1,145,100,000 us-gaap_DepreciationDepletionAndAmortization | 1,086,677,000 us-gaap_DepreciationDepletionAndAmortization | 1,039,923,000 us-gaap_DepreciationDepletionAndAmortization
Capital expenditures and acquisitions of businesses |  |  |  |  |  |  |  |  |  |  |
Capital expenditures and acquisitions |  |  |  |  |  |  |  |  | 1,923,779,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses | 1,365,994,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses | 1,433,586,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses
Subtotal drilling and rig services |  |  |  |  |  |  |  |  |  |  |
Financial information with respect to reportable segments |  |  |  |  |  |  |  |  |  |  |
Number of operating segments |  |  |  |  |  |  |  |  | 4 us-gaap_NumberOfOperatingSegments / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember |  |
Production and Completion Services |  |  |  |  |  |  |  |  |  |  |
Financial information with respect to reportable segments |  |  |  |  |  |  |  |  |  |  |
Number of operating segments |  |  |  |  |  |  |  |  | 2 us-gaap_NumberOfOperatingSegments / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember |  |
Oil and Gas |  |  |  |  |  |  |  |  |  |  |
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  |  |  |
U.S. oil and gas joint venture earnings (losses) |  |  |  |  |  |  |  |  |  |  | (289,199,000)us-gaap_IncomeLossFromEquityMethodInvestments / us-gaap_StatementBusinessSegmentsAxis = nbr_OilAndGasMember
Income (loss) from discontinued operations, net of tax |  |  |  |  |  |  |  |  | 21,000 us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / us-gaap_StatementBusinessSegmentsAxis = nbr_OilAndGasMember | (27,396,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / us-gaap_StatementBusinessSegmentsAxis = nbr_OilAndGasMember | (66,033,000)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTax / us-gaap_StatementBusinessSegmentsAxis = nbr_OilAndGasMember
ASSETS |  |  |  |  |  |  |  |  |  |  |
Assets held for sale | 146,467,000 us-gaap_AssetsHeldForSaleCurrent / us-gaap_StatementBusinessSegmentsAxis = nbr_OilAndGasMember |  |  |  | 239,936,000 us-gaap_AssetsHeldForSaleCurrent / us-gaap_StatementBusinessSegmentsAxis = nbr_OilAndGasMember |  |  |  | 146,467,000 us-gaap_AssetsHeldForSaleCurrent / us-gaap_StatementBusinessSegmentsAxis = nbr_OilAndGasMember | 239,936,000 us-gaap_AssetsHeldForSaleCurrent / us-gaap_StatementBusinessSegmentsAxis = nbr_OilAndGasMember |
Operating Segments | Subtotal drilling and rig services |  |  |  |  |  |  |  |  |  |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: |  |  |  |  |  |  |  |  |  |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: |  |  |  |  |  |  |  |  | 4,805,564,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember | 4,256,730,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember | 4,659,589,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  |  |  |
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  | 713,227,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember | 550,604,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember | 759,846,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember
ASSETS |  |  |  |  |  |  |  |  |  |  |
Total assets | 9,164,796,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember |  |  |  | 8,915,262,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember |  |  |  | 9,164,796,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember | 8,915,262,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember |
Equity in earnings (losses) from unconsolidated affiliates, net |  |  |  |  |  |  |  |  | (6,800,000)us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember | (400,000)us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember |
Investments in unconsolidated affiliates accounted for using equity method | 48,100,000 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember |  |  |  | 57,000,000 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember |  |  |  | 48,100,000 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember | 57,000,000 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember |
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  | 922,396,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember | 876,694,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember | 825,936,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember
Capital expenditures and acquisitions of businesses |  |  |  |  |  |  |  |  |  |  |
Capital expenditures and acquisitions |  |  |  |  |  |  |  |  | 1,781,092,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember | 1,023,989,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember | 1,142,456,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember
Operating Segments | Subtotal drilling and rig services | Reportable Subsegments | US Segment |  |  |  |  |  |  |  |  |  |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: |  |  |  |  |  |  |  |  |  |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: |  |  |  |  |  |  |  |  | 2,159,968,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_USSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 1,914,786,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_USSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 2,276,808,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_USSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  |  |  |
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  | 370,173,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_USSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 315,496,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_USSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 509,894,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_USSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
ASSETS |  |  |  |  |  |  |  |  |  |  |
Total assets | 4,184,854,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_USSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember |  |  |  | 4,248,630,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_USSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember |  |  |  | 4,184,854,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_USSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 4,248,630,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_USSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember |
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  | 465,506,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_USSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 440,210,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_USSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 406,740,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_USSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
Capital expenditures and acquisitions of businesses |  |  |  |  |  |  |  |  |  |  |
Capital expenditures and acquisitions |  |  |  |  |  |  |  |  | 839,536,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_USSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 644,792,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_USSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 758,555,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_USSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
Operating Segments | Subtotal drilling and rig services | Reportable Subsegments | Canada Segment |  |  |  |  |  |  |  |  |  |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: |  |  |  |  |  |  |  |  |  |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: |  |  |  |  |  |  |  |  | 335,192,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_CanadaSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 361,676,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_CanadaSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 429,411,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_CanadaSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  |  |  |
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  | 52,468,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_CanadaSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 61,193,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_CanadaSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 91,360,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_CanadaSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
ASSETS |  |  |  |  |  |  |  |  |  |  |
Total assets | 615,269,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_CanadaSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember |  |  |  | 608,018,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_CanadaSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember |  |  |  | 615,269,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_CanadaSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 608,018,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_CanadaSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember |
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  | 55,986,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_CanadaSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 57,796,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_CanadaSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 59,191,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_CanadaSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
Capital expenditures and acquisitions of businesses |  |  |  |  |  |  |  |  |  |  |
Capital expenditures and acquisitions |  |  |  |  |  |  |  |  | 49,317,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_CanadaSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 59,386,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_CanadaSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 78,729,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_CanadaSegmentMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
Operating Segments | Subtotal drilling and rig services | Reportable Subsegments | International Excluding Canada |  |  |  |  |  |  |  |  |  |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: |  |  |  |  |  |  |  |  |  |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: |  |  |  |  |  |  |  |  | 1,623,102,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_InternationalExcludingCanadaMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 1,464,264,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_InternationalExcludingCanadaMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 1,265,060,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_InternationalExcludingCanadaMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  |  |  |
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  | 242,818,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_InternationalExcludingCanadaMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 177,833,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_InternationalExcludingCanadaMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 91,226,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_InternationalExcludingCanadaMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
ASSETS |  |  |  |  |  |  |  |  |  |  |
Total assets | 3,815,051,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_InternationalExcludingCanadaMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember |  |  |  | 3,584,339,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_InternationalExcludingCanadaMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember |  |  |  | 3,815,051,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_InternationalExcludingCanadaMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 3,584,339,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_InternationalExcludingCanadaMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember |
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  | 367,345,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_InternationalExcludingCanadaMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 346,659,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_InternationalExcludingCanadaMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 330,388,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_InternationalExcludingCanadaMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
Capital expenditures and acquisitions of businesses |  |  |  |  |  |  |  |  |  |  |
Capital expenditures and acquisitions |  |  |  |  |  |  |  |  | 788,748,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_InternationalExcludingCanadaMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 248,980,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_InternationalExcludingCanadaMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 265,249,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_InternationalExcludingCanadaMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
Operating Segments | Subtotal drilling and rig services | Reportable Subsegments | Rig Services |  |  |  |  |  |  |  |  |  |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: |  |  |  |  |  |  |  |  |  |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: |  |  |  |  |  |  |  |  | 687,302,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_RigServicesMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 516,004,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_RigServicesMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 688,310,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_RigServicesMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  |  |  |
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  | 47,768,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_RigServicesMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | (3,918,000)us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_RigServicesMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 67,366,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_RigServicesMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
ASSETS |  |  |  |  |  |  |  |  |  |  |
Total assets | 549,622,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_RigServicesMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember |  |  |  | 474,275,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_RigServicesMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember |  |  |  | 549,622,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_RigServicesMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 474,275,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_RigServicesMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember |
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  | 33,559,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_RigServicesMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 32,029,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_RigServicesMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 29,617,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_RigServicesMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
Capital expenditures and acquisitions of businesses |  |  |  |  |  |  |  |  |  |  |
Capital expenditures and acquisitions |  |  |  |  |  |  |  |  | 103,491,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_RigServicesMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 70,831,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_RigServicesMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 39,923,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_DrillingAndRigServicesMember / us-gaap_SubsegmentsAxis = nbr_RigServicesMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
Operating Segments | Production and Completion Services |  |  |  |  |  |  |  |  |  |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: |  |  |  |  |  |  |  |  |  |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: |  |  |  |  |  |  |  |  | 2,251,899,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember | 2,083,927,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember | 2,463,640,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  |  |  |
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  | 78,336,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember | 153,852,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember | 297,353,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember
ASSETS |  |  |  |  |  |  |  |  |  |  |
Total assets | 1,933,387,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember |  |  |  | 2,394,865,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember |  |  |  | 1,933,387,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember | 2,394,865,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember |
Equity in earnings (losses) from unconsolidated affiliates, net |  |  |  |  |  |  |  |  | 500,000 us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember | 400,000 us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember | 500,000 us-gaap_IncomeLossFromEquityMethodInvestmentsNetOfDividendsOrDistributions / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember
Investments in unconsolidated affiliates accounted for using equity method | 10,200,000 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember |  |  |  | 7,400,000 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember |  |  |  | 10,200,000 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember | 7,400,000 us-gaap_EquityMethodInvestments / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember |
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  | 224,422,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember | 212,744,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember | 216,602,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember
Capital expenditures and acquisitions of businesses |  |  |  |  |  |  |  |  |  |  |
Capital expenditures and acquisitions |  |  |  |  |  |  |  |  | 156,106,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember | 325,449,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember | 238,300,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember
Operating Segments | Production and Completion Services | Reportable Subsegments | Pressure Pumping |  |  |  |  |  |  |  |  |  |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: |  |  |  |  |  |  |  |  |  |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: |  |  |  |  |  |  |  |  | 1,218,361,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember / us-gaap_SubsegmentsAxis = nbr_PressurePumpingMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 1,074,713,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember / us-gaap_SubsegmentsAxis = nbr_PressurePumpingMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 1,462,767,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember / us-gaap_SubsegmentsAxis = nbr_PressurePumpingMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  |  |  |
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  | (15,078,000)us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember / us-gaap_SubsegmentsAxis = nbr_PressurePumpingMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 51,722,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember / us-gaap_SubsegmentsAxis = nbr_PressurePumpingMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 188,518,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember / us-gaap_SubsegmentsAxis = nbr_PressurePumpingMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  | 109,917,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember / us-gaap_SubsegmentsAxis = nbr_PressurePumpingMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 109,242,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember / us-gaap_SubsegmentsAxis = nbr_PressurePumpingMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 112,401,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember / us-gaap_SubsegmentsAxis = nbr_PressurePumpingMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
Operating Segments | Production and Completion Services | Reportable Subsegments | United States Land Well Servicing |  |  |  |  |  |  |  |  |  |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: |  |  |  |  |  |  |  |  |  |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: |  |  |  |  |  |  |  |  | 1,033,538,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember / us-gaap_SubsegmentsAxis = nbr_UnitedStatesLandWellServicingMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 1,009,214,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember / us-gaap_SubsegmentsAxis = nbr_UnitedStatesLandWellServicingMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 1,000,873,000 nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember / us-gaap_SubsegmentsAxis = nbr_UnitedStatesLandWellServicingMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  |  |  |
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  | 93,414,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember / us-gaap_SubsegmentsAxis = nbr_UnitedStatesLandWellServicingMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 102,130,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember / us-gaap_SubsegmentsAxis = nbr_UnitedStatesLandWellServicingMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 108,835,000 us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember / us-gaap_SubsegmentsAxis = nbr_UnitedStatesLandWellServicingMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  | 114,505,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember / us-gaap_SubsegmentsAxis = nbr_UnitedStatesLandWellServicingMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 103,502,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember / us-gaap_SubsegmentsAxis = nbr_UnitedStatesLandWellServicingMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember | 104,201,000 us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_OperatingSegmentsMember / us-gaap_StatementBusinessSegmentsAxis = nbr_ProductionAndCompletionServicesMember / us-gaap_SubsegmentsAxis = nbr_UnitedStatesLandWellServicingMember / us-gaap_SubsegmentsConsolidationItemsAxis = us-gaap_ReportableSubsegmentsMember
Intersegment Eliminations |  |  |  |  |  |  |  |  |  |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: |  |  |  |  |  |  |  |  |  |  |
Operating revenues and Earnings (losses) from unconsolidated affiliates: |  |  |  |  |  |  |  |  | (259,567,000)nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | (188,603,000)nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | (568,896,000)nbr_OperatingRevenuesAndIncomeLossFromEquityMethodOfInvestment / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  |  |  |
Adjusted income (loss) derived from operating activities |  |  |  |  |  |  |  |  | (193,565,000)us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | (146,237,000)us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | (148,649,000)us-gaap_OperatingIncomeLoss / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember
ASSETS |  |  |  |  |  |  |  |  |  |  |
Total assets | 781,759,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember |  |  |  | 849,684,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember |  |  |  | 781,759,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | 849,684,000 us-gaap_Assets / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember |
Assets held for sale | 146,500,000 us-gaap_AssetsHeldForSaleCurrent / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember |  |  |  | 239,900,000 us-gaap_AssetsHeldForSaleCurrent / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember |  |  |  | 146,500,000 us-gaap_AssetsHeldForSaleCurrent / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | 239,900,000 us-gaap_AssetsHeldForSaleCurrent / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember |
Depreciation and amortization: |  |  |  |  |  |  |  |  |  |  |
Depreciation and amortization |  |  |  |  |  |  |  |  | (1,718,000)us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | (2,761,000)us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | (2,615,000)us-gaap_DepreciationDepletionAndAmortization / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember
Capital expenditures and acquisitions of businesses |  |  |  |  |  |  |  |  |  |  |
Capital expenditures and acquisitions |  |  |  |  |  |  |  |  | $ (13,419,000)nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | $ 16,556,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember | $ 52,830,000 nbr_CapitalExpendituresAndAcquisitionsOfBusinesses / us-gaap_ConsolidationItemsAxis = us-gaap_IntersegmentEliminationMember

X
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