Label	Element	Value
Noncontrolling Interest, Increase from Sale of Parent Equity Interest	us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest	$ 0
Contribution from Parent	bhi_ContributionfromParent	7,400,000,000
Parent Net Investment, Changes, Increase (Decrease)	bhi_ParentNetInvestmentChangesIncreaseDecrease	790,000,000
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	4,000,000
Stock Repurchased and Retired During Period, Value	us-gaap_StockRepurchasedAndRetiredDuringPeriodValue	501,000,000
Stock Issued During Period, Value, Acquisitions	us-gaap_StockIssuedDuringPeriodValueAcquisitions	24,874,000,000
Parent [Member]
Noncontrolling Interest, Increase from Sale of Parent Equity Interest	us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest	(24,894,000,000)
Contribution from Parent	bhi_ContributionfromParent	7,400,000,000
Parent Net Investment, Changes, Increase (Decrease)	bhi_ParentNetInvestmentChangesIncreaseDecrease	803,000,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	us-gaap_ProfitLoss	109,000,000
Additional Paid-in Capital [Member]
Stock Repurchased and Retired During Period, Value	us-gaap_StockRepurchasedAndRetiredDuringPeriodValue	187,000,000
Noncontrolling Interest, Increase from Business Combination	us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination	(1,451,000,000)
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition	us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue	37,000,000
Stock Issued During Period, Value, Acquisitions	us-gaap_StockIssuedDuringPeriodValueAcquisitions	24,798,000,000
Noncontrolling Interest, Period Increase (Decrease)	us-gaap_MinorityInterestPeriodIncreaseDecrease	(61,000,000)
Retained Earnings [Member]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	us-gaap_ProfitLoss	(73,000,000)
AOCI Attributable to Parent [Member]
Parent Net Investment, Changes, Increase (Decrease)	bhi_ParentNetInvestmentChangesIncreaseDecrease	(13,000,000)
Noncontrolling Interest [Member]
Noncontrolling Interest, Increase from Sale of Parent Equity Interest	us-gaap_NoncontrollingInterestIncreaseFromSaleOfParentEquityInterest	24,894,000,000
Other Comprehensive Income (Loss), Net of Tax	us-gaap_OtherComprehensiveIncomeLossNetOfTax	4,000,000
Other Comprehensive Income (Loss), Net of Tax	us-gaap_OtherComprehensiveIncomeLossNetOfTax	79,000,000
Noncontrolling Interest, Increase from Subsidiary Equity Issuance	us-gaap_NoncontrollingInterestIncreaseFromSubsidiaryEquityIssuance	4,000,000
Stock Repurchased and Retired During Period, Value	us-gaap_StockRepurchasedAndRetiredDuringPeriodValue	314,000,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	us-gaap_ProfitLoss	4,000,000
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest	us-gaap_ProfitLoss	(282,000,000)
Noncontrolling Interest, Increase from Business Combination	us-gaap_NoncontrollingInterestIncreaseFromBusinessCombination	217,000,000
Stock Issued During Period, Value, Acquisitions	us-gaap_StockIssuedDuringPeriodValueAcquisitions	76,000,000
Noncontrolling Interest, Period Increase (Decrease)	us-gaap_MinorityInterestPeriodIncreaseDecrease	(134,000,000)
Special Dividend [Member]
Dividends, Common Stock, Cash	us-gaap_DividendsCommonStockCash	7,498,000,000
Special Dividend [Member] | Additional Paid-in Capital [Member]
Dividends, Common Stock, Cash	us-gaap_DividendsCommonStockCash	7,498,000,000
Cash Dividend [Member]
Dividends, Common Stock, Cash	us-gaap_DividendsCommonStockCash	$ 406,000,000