2.2.0.7 true Segment and Related Information (Details) (USD $) 0603 - Disclosure - Segment and Related Information (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 $ false 2 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 $ false 3 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 Pure Standard http://www.xbrl.org/2003/instance pure xbrli 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 $ false 4 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 $ false 5 USD false false USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ 2 Summarized financial information 2 us-gaap_SegmentReportingInformationIncomeLossBeforeIncomeTaxesAbstract 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 3 Revenues 2 us-gaap_SegmentReportingInformationRevenue us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 true true false false 3374000000 3374 false false false 2 true true false false 2336000000 2336 false false false 3 true true false false 5913000000 5913 false false false 4 true true false false 5004000000 5004 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Amount of total revenue for the reportable segment, including revenue from external customers, transactions with other operating segments of the same entity, and (gross) interest revenue. All considered to be "operating revenue" for purposes of the taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph a, b, c false 4 Revenues, Total 2 us-gaap_SalesRevenueNet us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 3374000000 3374 false false false 2 false true false false 2336000000 2336 false false false 3 false true false false 5913000000 5913 false false false 4 false true false false 5004000000 5004 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Total revenue from sale of goods and services rendered during the reporting period, in the normal course of business, reduced by sales returns and allowances, and sales discounts. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 false 5 Segment profit (loss) 2 us-gaap_SegmentReportingInformationProfitLoss us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 344000000 344 false false false 2 false true false false 239000000 239 false false false 3 false true false false 621000000 621 false false false 4 false true false false 619000000 619 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Amount of profit or loss recognized by the reportable segment. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 false 6 Segment profit (loss), Corporate and Other 2 bhi_SegmentReportingInformationProfitLossCorporateAndOther bhi false debit duration Segment Reporting Information Profit Loss Corporate And Other. false false false false false false false false false false false verboselabel false 1 false true false false -142000000 -142 false false false 2 false true false false -117000000 -117 false false false 3 false true false false -225000000 -225 false false false 4 false true false false -213000000 -213 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Segment Reporting Information Profit Loss Corporate And Other. No authoritative reference available. false 7 Segment profit (loss), Total 2 us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesMinorityInterestAndIncomeLossFromEquityMethodInvestments us-gaap true credit duration No definition available. false false false false false false false false false false false terselabel false 1 false true false false 202000000 202 false false false 2 false true false false 122000000 122 false false false 3 false true false false 396000000 396 false false false 4 false true false false 406000000 406 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Sum of operating profit and nonoperating income (expense) before income (loss) from equity method investments, income taxes, extraordinary items, cumulative effects of changes in accounting principles, and noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Subparagraph 1(i) -Article 4 false 8 Total assets 2 bhi_SegmentReportingInformationTotalTangibleAssets bhi false debit instant Segment Reporting Information Total Tangible Assets. false false false false false false false false false false false verboselabel false 1 false true false false 15359000000 15359 false false false 2 false false false false 0 0 false false false 3 false true false false 15359000000 15359 false false false 4 false false false false 0 0 false false false 5 false true false false 9870000000 9870 false false false xbrli:monetaryItemType monetary Segment Reporting Information Total Tangible Assets. No authoritative reference available. false 9 Unallocated goodwill and certain intangibles related to BJ Services 2 bhi_SegmentReportingInformationGoodwillAndIntangibles bhi false debit instant Segment Reporting Information Goodwill And Intangibles. false false false false false false false false false false false verboselabel false 1 false true false false 4763000000 4763 false false false 2 false false false false 0 0 false false false 3 false true false false 4763000000 4763 false false false 4 false false false false 0 0 false false false 5 false true false false 0 0 false false false xbrli:monetaryItemType monetary Segment Reporting Information Goodwill And Intangibles. No authoritative reference available. false 10 Total assets, Corporate and Other 2 bhi_SegmentReportingInformationAssetsCorporateAndOther bhi false debit instant Segment Reporting Information Assets Corporate And Other false false false false false false false false false false false verboselabel false 1 false true false false 1023000000 1023 false false false 2 false false false false 0 0 false false false 3 false true false false 1023000000 1023 false false false 4 false false false false 0 0 false false false 5 false true false false 1569000000 1569 false false false xbrli:monetaryItemType monetary Segment Reporting Information Assets Corporate And Other No authoritative reference available. false 11 Total assets, Total 2 us-gaap_Assets 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 21145000000 21145 false false false 2 false false false false 0 0 false false false 3 false true false false 21145000000 21145 false false false 4 false false false false 0 0 false false false 5 false true false false 11439000000 11439 false false false xbrli:monetaryItemType monetary Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Concepts (CON) -Number 6 -Paragraph 25 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 18 -Article 5 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 7 false 12 Corporate and Other segment loss 2 bhi_CorporateAndOtherSegmentLossAbstract bhi false na duration Corporate and Other segment loss. 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 Corporate and Other segment loss. false 13 Corporate and other expenses 2 bhi_CorporateAndOtherExpenses bhi false debit duration Corporate and other expenses. false false false false false false false false false false false verboselabel false 1 false true false false -56000000 -56 false false false 2 false true false false -86000000 -86 false false false 3 false true false false -105000000 -105 false false false 4 false true false false -148000000 -148 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Corporate and other expenses. No authoritative reference available. false 14 Acquisition-related costs 2 us-gaap_BusinessCombinationAcquisitionRelatedCosts us-gaap true debit duration No definition available. false false false false false false false false false false true negated false 1 false true false false -56000000 -56 false false false 2 false false false false 0 0 false false false 3 false true false false -66000000 -66 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 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 15 Interest expense 2 us-gaap_SegmentReportingInformationInterestExpense 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 -30000000 -30 false false false 2 false true false false -34000000 -34 false false false 3 false true false false -55000000 -55 false false false 4 false true false false -69000000 -69 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Amount of interest expense for the reportable segment. Must be disclosed if the amount (a) is included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) is otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph d false 16 Interest income 2 us-gaap_InvestmentIncomeInterestAndDividend us-gaap true credit duration No definition available. false false false false false false false false false false false totallabel false 1 false false false false 0 0 false false false 2 false true false false 3000000 3 false false false 3 false true false false 1000000 1 false false false 4 false true false false 4000000 4 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Income derived from investments in debt and equity securities and on cash and cash equivalents. Interest income represents earnings which reflect the time value of money or transactions in which the payments are for the use or forbearance of money. Dividend income represents a distribution of earnings to shareholders by investee companies. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 115 -Paragraph 14 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 7 -Subparagraph a, b -Article 5 true 17 Total 2 bhi_SegmentReportingInformationProfitLossCorporateAndOther bhi false debit duration Segment Reporting Information Profit Loss Corporate And Other. false false false false false false false false false false false totallabel false 1 false true false false -142000000 -142 false false false 2 false true false false -117000000 -117 false false false 3 false true false false -225000000 -225 false false false 4 false true false false -213000000 -213 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Segment Reporting Information Profit Loss Corporate And Other. No authoritative reference available. true 18 Industrial & Other [Member] 0 na true na na No definition available. false true false false false false false false false false false http://bakerhughes.com/role/segmentandrelatedinformationdetails 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 false 6 USD true false false false Industrial & Other [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi bhi_GroupFiveMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 7 USD true false false false Industrial & Other [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi bhi_GroupFiveMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 8 USD true false false false Industrial & Other [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi bhi_GroupFiveMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 9 USD true false false false Industrial & Other [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi bhi_GroupFiveMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 10 USD true false false false Industrial & Other [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi bhi_GroupFiveMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ na No definition available. No authoritative reference available. false 19 Summarized financial information 2 us-gaap_SegmentReportingInformationIncomeLossBeforeIncomeTaxesAbstract 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 20 Revenues 2 us-gaap_SegmentReportingInformationRevenue us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 223000000 223 false false false 2 false true false false 167000000 167 false false false 3 false true false false 412000000 412 false false false 4 false true false false 342000000 342 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Amount of total revenue for the reportable segment, including revenue from external customers, transactions with other operating segments of the same entity, and (gross) interest revenue. All considered to be "operating revenue" for purposes of the taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph a, b, c false 22 Segment profit (loss) 2 us-gaap_SegmentReportingInformationProfitLoss us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 18000000 18 false false false 2 false true false false 14000000 14 false false false 3 false true false false 35000000 35 false false false 4 false true false false 32000000 32 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Amount of profit or loss recognized by the reportable segment. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 false 25 Total assets 2 bhi_SegmentReportingInformationTotalTangibleAssets bhi false debit instant Segment Reporting Information Total Tangible Assets. false false false false false false false false false false false verboselabel false 1 false true false false 3264000000 3264 false false false 2 false false false false 0 0 false false false 3 false true false false 3264000000 3264 false false false 4 false false false false 0 0 false false false 5 false true false false 2127000000 2127 false false false xbrli:monetaryItemType monetary Segment Reporting Information Total Tangible Assets. No authoritative reference available. false 35 Middle East / Asia Pacific [Member] 0 na true na na No definition available. false true false false false false false false false false false http://bakerhughes.com/role/segmentandrelatedinformationdetails 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 false 11 USD true false false false Middle East / Asia Pacific [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi bhi_GroupFourMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 12 USD true false false false Middle East / Asia Pacific [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi bhi_GroupFourMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 13 USD true false false false Middle East / Asia Pacific [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi bhi_GroupFourMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 14 USD true false false false Middle East / Asia Pacific [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi bhi_GroupFourMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 15 USD true false false false Middle East / Asia Pacific [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi bhi_GroupFourMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ na No definition available. No authoritative reference available. false 36 Summarized financial information 2 us-gaap_SegmentReportingInformationIncomeLossBeforeIncomeTaxesAbstract 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 37 Revenues 2 us-gaap_SegmentReportingInformationRevenue us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 545000000 545 false false false 2 false true false false 503000000 503 false false false 3 false true false false 984000000 984 false false false 4 false true false false 1005000000 1005 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Amount of total revenue for the reportable segment, including revenue from external customers, transactions with other operating segments of the same entity, and (gross) interest revenue. All considered to be "operating revenue" for purposes of the taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph a, b, c false 39 Segment profit (loss) 2 us-gaap_SegmentReportingInformationProfitLoss us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 40000000 40 false false false 2 false true false false 74000000 74 false false false 3 false true false false 70000000 70 false false false 4 false true false false 146000000 146 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Amount of profit or loss recognized by the reportable segment. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 false 42 Total assets 2 bhi_SegmentReportingInformationTotalTangibleAssets bhi false debit instant Segment Reporting Information Total Tangible Assets. false false false false false false false false false false false verboselabel false 1 false true false false 2215000000 2215 false false false 2 false false false false 0 0 false false false 3 false true false false 2215000000 2215 false false false 4 false false false false 0 0 false false false 5 false true false false 1731000000 1731 false false false xbrli:monetaryItemType monetary Segment Reporting Information Total Tangible Assets. No authoritative reference available. false 52 Europe Africa Russia Caspian [Member] 0 na true na na No definition available. false true false false false false false false false false false http://bakerhughes.com/role/segmentandrelatedinformationdetails 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 false 16 USD true false false false Europe Africa Russia Caspian [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi bhi_GroupThreeMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 17 USD true false false false Europe Africa Russia Caspian [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi bhi_GroupThreeMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 18 USD true false false false Europe Africa Russia Caspian [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi bhi_GroupThreeMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 19 USD true false false false Europe Africa Russia Caspian [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi bhi_GroupThreeMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 20 USD true false false false Europe Africa Russia Caspian [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi bhi_GroupThreeMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ na No definition available. No authoritative reference available. false 53 Summarized financial information 2 us-gaap_SegmentReportingInformationIncomeLossBeforeIncomeTaxesAbstract 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 54 Revenues 2 us-gaap_SegmentReportingInformationRevenue us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 736000000 736 false false false 2 false true false false 710000000 710 false false false 3 false true false false 1456000000 1456 false false false 4 false true false false 1452000000 1452 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Amount of total revenue for the reportable segment, including revenue from external customers, transactions with other operating segments of the same entity, and (gross) interest revenue. All considered to be "operating revenue" for purposes of the taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph a, b, c false 56 Segment profit (loss) 2 us-gaap_SegmentReportingInformationProfitLoss us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 69000000 69 false false false 2 false true false false 133000000 133 false false false 3 false true false false 149000000 149 false false false 4 false true false false 286000000 286 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Amount of profit or loss recognized by the reportable segment. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 false 59 Total assets 2 bhi_SegmentReportingInformationTotalTangibleAssets bhi false debit instant Segment Reporting Information Total Tangible Assets. false false false false false false false false false false false verboselabel false 1 false true false false 3032000000 3032 false false false 2 false false false false 0 0 false false false 3 false true false false 3032000000 3032 false false false 4 false false false false 0 0 false false false 5 false true false false 2248000000 2248 false false false xbrli:monetaryItemType monetary Segment Reporting Information Total Tangible Assets. No authoritative reference available. false 69 North America [Member] 0 na true na na No definition available. false true false false false false false false false false false http://bakerhughes.com/role/segmentandrelatedinformationdetails 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 false 21 USD true false false false North America [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_SegmentGeographicalGroupsOfCountriesGroupOneMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 22 USD true false false false North America [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_SegmentGeographicalGroupsOfCountriesGroupOneMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 23 USD true false false false North America [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_SegmentGeographicalGroupsOfCountriesGroupOneMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 24 USD true false false false North America [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_SegmentGeographicalGroupsOfCountriesGroupOneMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 25 USD true false false false North America [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_SegmentGeographicalGroupsOfCountriesGroupOneMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ na No definition available. No authoritative reference available. false 70 Summarized financial information 2 us-gaap_SegmentReportingInformationIncomeLossBeforeIncomeTaxesAbstract 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 71 Revenues 2 us-gaap_SegmentReportingInformationRevenue us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 1486000000 1486 false false false 2 false true false false 692000000 692 false false false 3 false true false false 2405000000 2405 false false false 4 false true false false 1664000000 1664 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Amount of total revenue for the reportable segment, including revenue from external customers, transactions with other operating segments of the same entity, and (gross) interest revenue. All considered to be "operating revenue" for purposes of the taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph a, b, c false 73 Segment profit (loss) 2 us-gaap_SegmentReportingInformationProfitLoss us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 204000000 204 false false false 2 false true false false -14000000 -14 false false false 3 false true false false 345000000 345 false false false 4 false true false false 101000000 101 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Amount of profit or loss recognized by the reportable segment. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 false 76 Total assets 2 bhi_SegmentReportingInformationTotalTangibleAssets bhi false debit instant Segment Reporting Information Total Tangible Assets. false false false false false false false false false false false verboselabel false 1 false true false false 4955000000 4955 false false false 2 false false false false 0 0 false false false 3 false true false false 4955000000 4955 false false false 4 false false false false 0 0 false false false 5 false true false false 2596000000 2596 false false false xbrli:monetaryItemType monetary Segment Reporting Information Total Tangible Assets. No authoritative reference available. false 86 Latin America [Member] 0 na true na na No definition available. false true false false false false false false false false false http://bakerhughes.com/role/segmentandrelatedinformationdetails 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 false 26 USD true false false false Latin America [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_SegmentGeographicalGroupsOfCountriesGroupTwoMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 27 USD true false false false Latin America [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_SegmentGeographicalGroupsOfCountriesGroupTwoMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 28 USD true false false false Latin America [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_SegmentGeographicalGroupsOfCountriesGroupTwoMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 29 USD true false false false Latin America [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_SegmentGeographicalGroupsOfCountriesGroupTwoMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ false 30 USD true false false false Latin America [Member] us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis xbrldi http://xbrl.org/2006/xbrldi us-gaap_SegmentGeographicalGroupsOfCountriesGroupTwoMember us-gaap_EntityWideDisclosureOnGeographicAreasRevenueFromExternalCustomersAttributedToIndividualForeignCountriesAxis explicitMember USD Standard http://www.xbrl.org/2003/iso4217 USD iso4217 0 $ na No definition available. No authoritative reference available. false 87 Summarized financial information 2 us-gaap_SegmentReportingInformationIncomeLossBeforeIncomeTaxesAbstract 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 88 Revenues 2 us-gaap_SegmentReportingInformationRevenue us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 384000000 384 false false false 2 false true false false 264000000 264 false false false 3 false true false false 656000000 656 false false false 4 false true false false 541000000 541 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Amount of total revenue for the reportable segment, including revenue from external customers, transactions with other operating segments of the same entity, and (gross) interest revenue. All considered to be "operating revenue" for purposes of the taxonomy. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 -Subparagraph a, b, c false 90 Segment profit (loss) 2 us-gaap_SegmentReportingInformationProfitLoss us-gaap true credit duration No definition available. false false false false false false false false false false false verboselabel false 1 false true false false 13000000 13 false false false 2 false true false false 32000000 32 false false false 3 false true false false 22000000 22 false false false 4 false true false false 54000000 54 false false false 5 false false false false 0 0 false false false xbrli:monetaryItemType monetary Amount of profit or loss recognized by the reportable segment. Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 131 -Paragraph 27 false 93 Total assets 2 bhi_SegmentReportingInformationTotalTangibleAssets bhi false debit instant Segment Reporting Information Total Tangible Assets. false false false false false false false false false false false verboselabel false 1 true true false false 1893000000 1893 false false false 2 false false false false 0 0 false false false 3 true true false false 1893000000 1893 false false false 4 false false false false 0 0 false false false 5 true true false false 1168000000 1168 false false false xbrli:monetaryItemType monetary Segment Reporting Information Total Tangible Assets. No authoritative reference available. false 5 41 false Millions UnKnown UnKnown false true