Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2020	Sep. 30, 2019	Sep. 30, 2020	Sep. 30, 2019
Statement of Comprehensive Income [Abstract]
Net income (loss)	$ (311)	$ 117	$ (16,776)	$ 177
Less: Net income attributable to noncontrolling interests	9	7	23	20
Net income (loss) attributable to Baker Hughes Holdings LLC	(320)	110	(16,799)	157
Other comprehensive income (loss):
Investment securities	0	(1)	(2)	0
Foreign currency translation adjustments	135	(123)	(101)	(96)
Cash flow hedges	2	2	(6)	3
Benefit plans	(54)	7	(24)	(6)
Other comprehensive income (loss)	83	(115)	(133)	(99)
Less: Other comprehensive loss attributable to noncontrolling interests	0	0	(3)	(1)
Other comprehensive income (loss) attributable to Baker Hughes Holdings LLC	83	(115)	(130)	(98)
Comprehensive income (loss)	(228)	2	(16,909)	78
Less: Comprehensive income attributable to noncontrolling interests	9	7	20	19
Comprehensive income (loss) attributable to Baker Hughes Holdings LLC	$ (237)	$ (5)	$ (16,929)	$ 59