Income Taxes (Components of Income Tax Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Income (loss) components:
Domestic	$ (33)	$ 203	$ 208
Foreign	318	213	377
Income before taxes	285	416	585
Current:
Domestic – federal	24	39	9
Domestic – state and local	5	13	13
Foreign	33	40	61
Total Current	62	92	83
Deferred:
Domestic – federal	(21)	7	17
Domestic – state and local	(8)	(1)	5
Foreign	(2)	(83)	(69)
Total Deferred	(31)	(77)	(47)
Total income tax provision	$ 31	$ 15	$ 36
Effective income tax rate	10.90%	3.70%	6.10%