Income Taxes - Components of Income Before Tax and Benefit for Income Taxes (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Components of income (loss) before income taxes
United States	$ (158)	$ (356)	$ (336)
Foreign	50	17	109
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest	(108)	(339)	(227)
Current
U.S. Federal	(5)	19	5
U.S. State	1	4	(4)
Foreign	32	22	25
Total	28	45	26
Deferred
U.S. Federal	(3)	(10)	(6)
U.S. State	(3)	(7)	3
Foreign	(12)	(15)	(8)
Total	(18)	(32)	(11)
Total income tax expense	$ 10	$ 13	$ 15