Income Taxes - Schedule of Income Tax Provisions (Benefits) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current:
Federal	$ 22	$ 5	$ 0
State and local	24	23	39
Foreign	73	80	61
Current income tax expense (benefit)	119	108	100
Deferred:
Federal	(2)	2	17
State and local	(4)	(9)	(18)
Foreign	(32)	0	(17)
Deferred income tax expense (benefit)	(38)	(7)	(18)
Income tax expense	$ 81	$ 101	$ 82