2.2.0.7 false Income Taxes (Details) (USD $) 0605 - Disclosure - Income Taxes (Details) true false In Millions false false 1 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Shares Standard http://www.xbrl.org/2003/instance shares xbrli 0 USDEPS Divide http://www.xbrl.org/2003/iso4217 USD iso4217 http://www.xbrl.org/2003/instance shares xbrli 0 Pure Standard http://www.xbrl.org/2003/instance pure xbrli 0 $ 3 Income Taxes (Textuals) [Abstract] 1 bhi_IncomeTaxesTextualsAbstract bhi false na duration Income Taxes. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false xbrli:stringItemType string Income Taxes. false 4 Total income tax expense 2 us-gaap_IncomeTaxExpenseBenefit us-gaap true debit duration No definition available. false false false false false false false false false false false terselabel false 1 true true false false 109000000 109 false false false xbrli:monetaryItemType monetary The sum of the current income tax expense (benefit) and the deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 45 -Subparagraph a, b false 5 Costs associated with the BJ Services acquisition 2 us-gaap_BusinessCombinationAcquisitionRelatedCosts us-gaap true debit duration No definition available. false false false false false false false false false false false terselabel false 1 false true false false 56000000 56 false false false xbrli:monetaryItemType monetary This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 59 false 6 Income tax benefit related to business acquisition 2 bhi_IncomeTaxBenefitRelatedToBusinessAcquisition bhi false credit duration income tax benefit related to business acquisition. false false false false false false false false false false false verboselabel false 1 true true false false 5000000 5 false false false xbrli:monetaryItemType monetary income tax benefit related to business acquisition. No authoritative reference available. false 7 Effective tax rate on operating profits 2 us-gaap_EffectiveIncomeTaxRateContinuingOperations us-gaap true na duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 0.44 0.44 false false false us-types:percentItemType pure A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 47 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 2 -Article 4 false 8 U.S. statutory income tax rate 2 us-gaap_EffectiveIncomeTaxRateReconciliationAtFederalStatutoryIncomeTaxRate us-gaap true na duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 0.35 0.35 false false false us-types:percentItemType pure The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate shall be the regular tax rate if there are alternative tax systems. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 109 -Paragraph 47 false 1 6 false Millions UnKnown UnKnown false true