Condensed Consolidated Statements of Comprehensive Income (Loss) (Unaudited) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2021	Mar. 31, 2020
Statement of Comprehensive Income [Abstract]
Net loss	$ (619)	$ (16,045)
Less: Net loss attributable to noncontrolling interests	9	8
Net loss attributable to Baker Hughes Holdings LLC	(628)	(16,053)
Other comprehensive income (loss):
Investment securities	0	(2)
Foreign currency translation adjustments	(51)	(277)
Cash flow hedges	6	(8)
Benefit plans	3	23
Other comprehensive loss	(42)	(264)
Less: Other comprehensive loss attributable to noncontrolling interests	0	0
Other comprehensive loss attributable to Baker Hughes Holdings LLC	(42)	(264)
Comprehensive loss	(661)	(16,309)
Less: Comprehensive loss attributable to noncontrolling interests	9	8
Comprehensive loss attributable to Baker Hughes Holdings LLC	$ (670)	$ (16,317)