EQUITY - Changes in Number of Shares Outstanding (Details) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022
Units Held by Baker Hughes
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	1,005,960	909,142
Issue of shares upon vesting of restricted stock units (in shares)	5,920	7,730
Exchange of Class B common stock for Class A common stock (in shares)	0	75,957
Repurchase and cancellation of Class A common stock (in shares)	0	(8,142)
Ending balance (in shares)	1,011,881	984,688
Units Held by GE
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance (in shares)	0	116,548
Issue of shares upon vesting of restricted stock units (in shares)	0	0
Exchange of Class B common stock for Class A common stock (in shares)	0	(75,957)
Repurchase and cancellation of Class A common stock (in shares)	0	0
Ending balance (in shares)	0	40,591