Income Taxes - Components of Income Before Tax and Benefit for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Components of income (loss) before income taxes
United States	$ (191)	$ (309)	$ (631)
Foreign	28	15	(173)
Net loss from continuing operations before income taxes	(163)	(294)	(804)
Current
U.S. Federal	3	(58)	6
U.S. State	1	1	(1)
Foreign	38	10	6
Total	42	(47)	11
Deferred
U.S. Federal	3	(222)	(4)
U.S. State	1	(46)	(4)
Foreign	(33)	(3)	(6)
Total	(29)	(271)	(14)
Total income tax expense (benefit)	$ 13	$ (318)	$ (3)