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Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 43 false 5 Acquisitions 2 us-gaap_GoodwillAcquiredDuringPeriod us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 3806000000 3806 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation. 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No authoritative reference available. false 7 Goodwill, Ending balance 2 us-gaap_Goodwill us-gaap true debit instant No definition available. false false false false false false false false false true false periodendlabel false 1 false true false false 5230000000 5230 false false false 2 false true false false 1419000000 1419 false false false 3 false true false false 5230000000 5230 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Carrying amount as of the balance sheet date, which is the cumulative amount paid, adjusted for any amortization recognized prior to adoption of FAS 142 and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 43 false 8 Intangible assets description 2 us-gaap_FiniteLivedIntangibleAssetsNetAbstract us-gaap true na duration No definition available. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:stringItemType string No definition available. false 9 Intangible assets, Gross carrying amount 2 us-gaap_FiniteLivedIntangibleAssetsGross us-gaap true debit instant No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 1802000000 1802 false false false 2 false false false false 0 0 false false false 3 false true false false 1802000000 1802 false false false 4 false false false false 0 0 false false false 5 false true false false 368000000 368 false false false xbrli:monetaryItemType monetary Sum of the gross carrying amounts before accumulated amortization as of the balance sheet date of all intangible assets having statutory or estimated useful lives. The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) false 10 Intangible assets, Accumulated amortization 2 us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap true credit instant No definition available. false false false false false false false false false false false verboselabel false 1 false true false false -201000000 -201 false false false 2 false false false false 0 0 false false false 3 false true false false -201000000 -201 false false false 4 false false false false 0 0 false false false 5 false true false false -173000000 -173 false false false xbrli:monetaryItemType monetary The accumulated amount of amortization of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) false 11 Intangible assets, Subtotal 2 us-gaap_FiniteLivedIntangibleAssetsNet us-gaap true debit instant No definition available. false false false false false false false false false false false totallabel false 1 false true false false 1601000000 1601 false false false 2 false false false false 0 0 false false false 3 false true false false 1601000000 1601 false false false 4 false false false false 0 0 false false false 5 false true false false 195000000 195 false false false xbrli:monetaryItemType monetary The aggregate sum of gross carrying value of a major finite-lived intangible asset class, less accumulated amortization and any impairment charges. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) true 13 Intangible assets Gross carrying amount, Total 2 bhi_IntangibleAssetsGrossCarryingAmountTotal bhi false debit instant Intangible Assets Gross Carrying Amount total. false false false false false false false false false false false verboselabel false 1 false true false false 2186000000 2186 false false false 2 false false false false 0 0 false false false 3 false true false false 2186000000 2186 false false false 4 false false false false 0 0 false false false 5 false true false false 368000000 368 false false false xbrli:monetaryItemType monetary Intangible Assets Gross Carrying Amount total. No authoritative reference available. false 14 Intangible assets, net, total 2 us-gaap_IntangibleAssetsNetExcludingGoodwill us-gaap true debit instant No definition available. false false false false false false false false false false false totallabel false 1 false true false false 1985000000 1985 false false false 2 false false false false 0 0 false false false 3 false true false false 1985000000 1985 false false false 4 false false false false 0 0 false false false 5 false true false false 195000000 195 false false false xbrli:monetaryItemType monetary Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges. 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Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 43 false 21 Increase in Intangible Assets due to Acquisition of BJ Services 2 us-gaap_AcquiredFiniteLivedIntangibleAssetAmount us-gaap true debit instant No definition available. false false false false false false false false false false false terselabel false 1 false true false false 1820000000 1820 false false false 2 false false false false 0 0 false false false 3 false true false false 1820000000 1820 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The aggregate amount assigned to a major class of finite-lived intangible assets acquired either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 44 -Subparagraph a(1) false 22 Amortization expense for intangible assets included in net income 2 us-gaap_FiniteLivedIntangibleAssetsAmortizationExpense us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 21000000 21 false false false 2 false false false false 0 0 false false false 3 false true false false 30000000 30 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Aggregate amount of amortization expense recognized for intangible asset during the period. A recognized intangible asset shall be amortized over its estimated useful life to the reporting entity unless that life is determined to be indefinite. If an intangible asset has a finite useful life, but the precise length of that life is not known, that intangible asset shall be amortized over the best estimate of its useful life. 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Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(3) false 26 Estimated amortization expense for the year 2013 2 us-gaap_FutureAmortizationExpenseYearThree us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false true false false 115000000 115 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The amount of amortization expense expected to be recognized during the third twelve-month period following the balance sheet date. 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No authoritative reference available. false 30 Changes in carrying amount of goodwill 2 us-gaap_GoodwillRollForward us-gaap true na duration No definition available. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:stringItemType string A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. false 33 Acquisitions 2 us-gaap_GoodwillAcquiredDuringPeriod us-gaap true debit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 3679000000 3679 false false false 2 false false false false 0 0 false false false 3 false true false false 3679000000 3679 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary The aggregate amount of goodwill acquired in the period and allocated to the reportable segment. The value is stated at fair value based on the purchase price allocation. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph e(1) false 35 Goodwill, Ending balance 2 us-gaap_Goodwill us-gaap true debit instant No definition available. false false false false false false false false false true false periodendlabel false 1 false true false false 3679000000 3679 false false false 2 false false false false 0 0 false false false 3 false true false false 3679000000 3679 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Carrying amount as of the balance sheet date, which is the cumulative amount paid, adjusted for any amortization recognized prior to adoption of FAS 142 and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 43 false 43 Goodwill and Intangible Assets (Textuals) [Abstract] 2 bhi_GoodwillAndIntangibleAssetsTextualsAbstract bhi false na duration Goodwill And Intangible Assets Textuals Abstract. false false false false false true false false false false false verboselabel false 1 false false false false 0 0 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:stringItemType string Goodwill And Intangible Assets Textuals Abstract. false 48 Goodwill 2 us-gaap_Goodwill us-gaap true debit instant No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 3679000000 3679 false false false 2 false false false false 0 0 false false false 3 false true false false 3679000000 3679 false false false 4 false false false false 0 0 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Carrying amount as of the balance sheet date, which is the cumulative amount paid, adjusted for any amortization recognized prior to adoption of FAS 142 and for any impairment charges, in excess of the fair value of net assets acquired in one or more business combination transactions. 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The aggregate gross carrying amount (including any previously recognized impairment charges) of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) false 66 Intangible assets, Accumulated amortization 2 us-gaap_FiniteLivedIntangibleAssetsAccumulatedAmortization us-gaap true credit instant No definition available. false false false false false false false false false false false verboselabel false 1 false true false false -156000000 -156 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false true false false -140000000 -140 false false false xbrli:monetaryItemType monetary The accumulated amount of amortization of a major finite-lived intangible asset class. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 142 -Paragraph 45 -Subparagraph a(1) false 67 Intangible assets, Subtotal 2 us-gaap_FiniteLivedIntangibleAssetsNet us-gaap true debit instant No definition available. false false false false false false false false false false false totallabel false 1 false true false false 839000000 839 false false false 2 false false false false 0 0 false false false 3 false false false false 0 0 false false false 4 false false false false 0 0 false false false 5 false true false false 137000000 137 false false false xbrli:monetaryItemType monetary The aggregate sum of gross carrying value of a major finite-lived intangible asset class, less accumulated amortization and any impairment charges. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. 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