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Commitments and Contingencies (Details 4) (USD $) | 12 Months Ended | 1 Months Ended | 12 Months Ended |
--- | --- | --- | --- | ---
Dec. 31, 2014 | Dec. 31, 2009 | Mar. 31, 2011 | Dec. 31, 2006 | Mar. 19, 2012
Commitments and Contingencies, Disclosure |  |  |  |  |
Litigation amount as per judgment | $ 4,425,000 us-gaap_LitigationSettlementAmount |  |  |  |
Litigation settlement fine (as percent) | 50.00%nbr_LitigationSettlementFinePercent |  |  |  |
Court of Ouargla Algeria Customs Infringement |  |  |  |  |
Commitments and Contingencies, Disclosure |  |  |  |  |
Litigation amount as per judgment |  | 16,400,000 us-gaap_LitigationSettlementAmount / us-gaap_LitigationCaseAxis = nbr_CourtOfOuarglaAlgeriaCustomsInfringementMember |  |  |
Amount paid to customs authority | 3,100,000 us-gaap_PaymentsForLegalSettlements / us-gaap_LitigationCaseAxis = nbr_CourtOfOuarglaAlgeriaCustomsInfringementMember |  |  |  |
Posted security paid | 1,330,000 nbr_PostedSecurityPaid / us-gaap_LitigationCaseAxis = nbr_CourtOfOuarglaAlgeriaCustomsInfringementMember |  |  |  |
Court of Ouargla Algeria Customs Infringement | Maximum |  |  |  |  |
Commitments and Contingencies, Disclosure |  |  |  |  |
Potential judgment in excess of accrual | 12,000,000 nbr_PotentialJudgmentInExcessOfAccrual / us-gaap_LitigationCaseAxis = nbr_CourtOfOuarglaAlgeriaCustomsInfringementMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |
Court of Ouargla Algeria Foreign Currency Controls |  |  |  |  |
Commitments and Contingencies, Disclosure |  |  |  |  |
Litigation amount as per judgment |  |  | 32,200,000 us-gaap_LitigationSettlementAmount / us-gaap_LitigationCaseAxis = nbr_CourtOfOuarglaAlgeriaForeignCurrencyControlsMember |  |
Payment of contract amount in foreign currency |  |  |  | 7,500,000 nbr_PaymentOfContractAmountInForeignCurrency / us-gaap_LitigationCaseAxis = nbr_CourtOfOuarglaAlgeriaForeignCurrencyControlsMember |
Payment of contract amount in domestic currency |  |  |  | 3,200,000 nbr_PaymentOfContractAmountInDomesticCurrency / us-gaap_LitigationCaseAxis = nbr_CourtOfOuarglaAlgeriaForeignCurrencyControlsMember |
Approximate multiplier of the amount at issue for fines and penalties | 4 nbr_EstimatedMultiplierOfFinesAndPenalties / us-gaap_LitigationCaseAxis = nbr_CourtOfOuarglaAlgeriaForeignCurrencyControlsMember |  |  |  |
Court of Ouargla Algeria Foreign Currency Controls | Maximum |  |  |  |  |
Commitments and Contingencies, Disclosure |  |  |  |  |
Potential judgment in excess of accrual | 24,200,000 nbr_PotentialJudgmentInExcessOfAccrual / us-gaap_LitigationCaseAxis = nbr_CourtOfOuarglaAlgeriaForeignCurrencyControlsMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |
Erg Resources Llcv Nabors Global Holdings 2 Et Al |  |  |  |  |
Commitments and Contingencies, Disclosure |  |  |  |  |
Escrow Deposit |  |  |  |  | 3,000,000 us-gaap_EscrowDeposit / us-gaap_LitigationCaseAxis = nbr_ErgResourcesLlcvNaborsGlobalHoldings2EtAlMember
Erg Resources Llcv Nabors Global Holdings 2 Et Al | Maximum |  |  |  |  |
Commitments and Contingencies, Disclosure |  |  |  |  |
Monetary damages sought based on alleged breach of contract by NGH2L and alleged tortious interference with contractual relations by Parex | $ 750,000,000 us-gaap_LossContingencyDamagesSoughtValue / us-gaap_LitigationCaseAxis = nbr_ErgResourcesLlcvNaborsGlobalHoldings2EtAlMember / us-gaap_RangeAxis = us-gaap_MaximumMember |  |  |  |

X
- Definition Estimated multiplier of fines and penalties for the amount at issue. + References No definition available. + Details
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Namespace Prefix: | nbr_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the information pertaining to the percentage of litigation settlement fine. + References No definition available. + Details
Name: | nbr_LitigationSettlementFinePercent
Namespace Prefix: | nbr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Represents the payment of contract amount in domestic currency. + References No definition available. + Details
Name: | nbr_PaymentOfContractAmountInDomesticCurrency
Namespace Prefix: | nbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the payment of contract amount in foreign currency. + References No definition available. + Details
Name: | nbr_PaymentOfContractAmountInForeignCurrency
Namespace Prefix: | nbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Represents the amount paid for posted security to suspend collection efforts and to enter into a formal negotiations process with the customs authority of Algeria. + References No definition available. + Details
Name: | nbr_PostedSecurityPaid
Namespace Prefix: | nbr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Potential judgment in excess of accrual related to foreign currency exchange control. + References No definition available. + Details
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- Definition The designation of funds furnished by a borrower to a lender to assure future payments of the borrower's real estate taxes and insurance obligations with respect to a mortgaged property. Escrow deposits may be made for a variety of other purposes such as earnest money and contingent payments. This element excludes replacement reserves which are an escrow separately provided for within the US GAAP taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.10) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of judgment or settlement awarded to (against) the entity in respect of litigation. + References No definition available. + Details
Name: | us-gaap_LitigationSettlementAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Details
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- Definition The value (monetary amount) of the award the plaintiff seeks in the legal matter. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14326-108349 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 4 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14435-108349 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 450 -SubTopic 20 -Section 50 -Paragraph 9 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=25496072&loc=d3e14557-108349 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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- Definition The amount of cash paid for the settlement of litigation or for other legal issues during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
Name: | us-gaap_PaymentsForLegalSettlements
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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- Details
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- Details
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- Details
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