Consolidated Statements of Changes in Equity - USD ($) $ in Millions	Total	Class A	Cumulative Effect, Period of Adoption, Adjustment	Members' Capital	Retained Loss	Retained Loss Cumulative Effect, Period of Adoption, Adjustment	Accumulated Other Comprehensive Loss	Non-controlling Interests	Non-controlling Interests Cumulative Effect, Period of Adoption, Adjustment
Beginning balance at Dec. 31, 2017	$ 38,396		$ 67	$ 40,678	$ (541)	$ 67	$ (1,881)	$ 140
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Net income (loss)	139				120			19
Other comprehensive loss	(573)						(573)
Dividend	(787)			(787)
Other cash distribution to members	(37)			37
Repurchase of common units	(2,461)			(2,461)
Baker Hughes Stock-based compensation cost	121			121
Other	11			68			(8)	(49)
Ending balance at Dec. 31, 2018	34,876			37,582	(354)		(2,462)	110
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends per share (in dollars per share)		$ 0.72
Net income (loss)	277				241			36
Other comprehensive loss	(8)						(8)
Dividend	(745)			(745)
Repurchase of common units	(250)			(250)
Baker Hughes Stock-based compensation cost	187			187
Other	77			224	3		(119)	(31)
Ending balance at Dec. 31, 2019	34,414			36,998	(110)		(2,589)	115
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends per share (in dollars per share)		0.72
Net income (loss)	(15,796)				(15,825)			29
Other comprehensive loss	44						47	(3)
Dividend	(744)			(744)
Baker Hughes Stock-based compensation cost	210			210
Other	35			48	(4)			(9)
Ending balance at Dec. 31, 2020	$ 18,163			$ 36,512	$ (15,939)		$ (2,542)	$ 132
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Dividends per share (in dollars per share)		$ 0.72