Earnings Per Share - Basic and Diluted Net Income (Loss) per Share (Details) - USD ($) $ / shares in Units, shares in Millions, $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Earnings Per Share
Net loss	$ (578)	$ (330)	$ (15,761)
Less: Net income (loss) attributable to noncontrolling interests	23	(111)	(5,821)
Net loss attributable to Baker Hughes Company	$ (601)	$ (219)	$ (9,940)
Net loss per share attributable to common stockholders:
Class A diluted (in dollars per share)	$ (0.61)	$ (0.27)	$ (14.73)
Class A Common Stock
Weighted average shares outstanding:
Class A basic (in shares)	987	824	675
Class A diluted (in shares)	987	824	675
Net loss per share attributable to common stockholders:
Class A basic (in dollars per share)	$ (0.61)	$ (0.27)	$ (14.73)
Class A diluted (in dollars per share)	$ (0.61)	$ (0.27)	$ (14.73)