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, 2023	Dec. 31, 2022	Dec. 31, 2021
Earnings Per Share
Net income (loss)	$ 1,970	$ (578)	$ (330)
Less: Net income (loss) attributable to noncontrolling interests	27	23	(111)
Net income (loss) attributable to Baker Hughes Company	$ 1,943	$ (601)	$ (219)
Net income (loss) per share attributable to common stockholders:
Class A basic (in dollars per share)	$ 1.93	$ (0.61)	$ (0.27)
Class A diluted (in dollars per share)	$ 1.91	$ (0.61)	$ (0.27)
Class A Common Stock
Weighted average shares outstanding:
Class A basic (in shares)	1,008	987	824
Class A diluted (in shares)	1,015	987	824
Net income (loss) per share attributable to common stockholders:
Class A basic (in dollars per share)	$ 1.93	$ (0.61)	$ (0.27)
Class A diluted (in dollars per share)	$ 1.91	$ (0.61)	$ (0.27)