Segment Information - Assets by Segment (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Segment Reporting, Asset Reconciling Item [Line Items]
Segment assets	$ 35,286	$ 37,929
Segment depreciation and amortization	1,105	1,317	$ 1,418
Operating segments
Segment Reporting, Asset Reconciling Item [Line Items]
Segment assets	29,420	31,487
Segment depreciation and amortization	1,082	1,288	1,379
Operating segments | Oilfield Services
Segment Reporting, Asset Reconciling Item [Line Items]
Segment assets	15,215	15,244
Segment depreciation and amortization	771	926	985
Operating segments | Oilfield Equipment
Segment Reporting, Asset Reconciling Item [Line Items]
Segment assets	2,616	3,344
Segment depreciation and amortization	103	146	175
Operating segments | Turbo-machinery & Process Solutions
Segment Reporting, Asset Reconciling Item [Line Items]
Segment assets	7,692	8,951
Segment depreciation and amortization	120	118	116
Operating segments | Digital Solutions
Segment Reporting, Asset Reconciling Item [Line Items]
Segment assets	3,897	3,948
Segment depreciation and amortization	88	98	103
Corporate
Segment Reporting, Asset Reconciling Item [Line Items]
Segment assets	5,866	6,442
Segment depreciation and amortization	$ 23	$ 29	$ 39