Income Taxes - Summary of Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current income tax (benefit) expense:
U.S. federal	$ 17	$ (31)	$ 76
State	7	0	20
Foreign	68	96	198
Current income tax expense	92	65	294
Deferred income tax (benefit) expense:
U.S. federal	(137)	(315)	(53)
State	(19)	(65)	(9)
Foreign	11	(108)	(29)
Deferred income tax (benefit) expense	(145)	(488)	(91)
Income tax (benefit) expense	$ (53)	$ (423)	$ 203