Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (83)	$ (420)	$ (702)	$ (16,465)
Less: Net income attributable to noncontrolling interests	10	6	19	14
Net loss attributable to Baker Hughes Holdings LLC	(93)	(426)	(721)	(16,479)
Other comprehensive income (loss):
Investment securities	0	0	0	(2)
Foreign currency translation adjustments	158	41	107	(236)
Cash flow hedges	(16)	0	(11)	(8)
Benefit plans	50	8	53	31
Other comprehensive income (loss)	192	49	149	(215)
Less: Other comprehensive loss attributable to noncontrolling interests	0	(2)	0	(2)
Other comprehensive income (loss) attributable to Baker Hughes Holdings LLC	192	51	149	(213)
Comprehensive income (loss)	109	(371)	(553)	(16,680)
Less: Comprehensive income attributable to noncontrolling interests	10	4	19	12
Comprehensive income (loss) attributable to Baker Hughes Holdings LLC	$ 99	$ (375)	$ (572)	$ (16,692)