EQUITY - Narrative (Details) - USD ($) $ / shares in Units, $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021
Class of Stock [Line Items]
Repurchase and cancellation of Class A common stock		$ 236
BHH LLC
Class of Stock [Line Items]
Stock repurchased and canceled (in shares)	0	8,100,000
Repurchase and cancellation of Class A common stock		$ 236
Stock repurchase average price per share (in dollars per share)		$ 28.96
Remaining authorized repurchase amount	$ 2,800
Units Held by Baker Hughes
Class of Stock [Line Items]
Common stock outstanding (in shares)	1,011,881,000	984,688,000	1,005,960,000	909,142,000
Units Held by GE
Class of Stock [Line Items]
Common stock outstanding (in shares)	0	40,591,000	0	116,548,000