Income Taxes - (Benefit) Provision for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Current (Benefit) Provision for Income Taxes
Current Federal income tax (benefit) provision	$ (7)	$ (10)	$ (18)
Current state and local Income tax (benefit) provision	50	(3)	0
Current foreign income tax (benefit) provision	179	1	(6)
Current income tax (benefit) provision	222	(12)	(24)
Deferred (Benefit) Provision for Income Taxes
Deferred Federal income tax (benefit) provision	8	(95)	196
Deferred state and local Income tax (benefit) provision	(71)	(24)	23
Deferred foreign income tax (benefit) provision	11	(11)	(17)
Deferred income tax (benefit) provision	(52)	(130)	202
(Benefit) Provision for Income Taxes, Total
Federal income tax (benefit) provision	1	(105)	178
State and local Income tax (benefit) provision	(21)	(27)	23
Foreign income tax (benefit) provision	190	(10)	(23)
Total provision (benefit)	$ 170	$ (142)	$ 178