Income Taxes - Income Tax (Provision) Benefit (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
U.S. Federal and State:
Current	$ (3)	$ 0	$ 0
Deferred	0	0	0
U.S. Federal and State, Total	(3)	0	0
Foreign:
Current	0	0	0
Deferred	(192)	(51)	(58)
Foreign, Total	(192)	(51)	(58)
Total:
Current	(3)	0	0
Deferred	(192)	(51)	(58)
Income tax benefit (provision)	$ (195)	$ (51)	$ (58)