Income Taxes (Components of Income Tax Expense) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Income components:
Domestic	$ 203	$ 208	$ 162
Foreign	213	377	304
Income before taxes	416	585	466
Current:
Domestic – federal	39	9	109
Domestic – state and local	13	13	9
Foreign	40	61	51
Total Current	92	83	169
Deferred:
Domestic – federal	7	17	(29)
Domestic – state and local	(1)	5	10
Foreign	(83)	(69)	(14)
Total Deferred	(77)	(47)	(33)
Total income tax provision	$ 15	$ 36	$ 136
Effective income tax rate	3.70%	6.10%	29.20%