Income Taxes - Schedule of Income Tax Provisions (Benefits) (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current:
Federal	$ 5	$ 0	$ (1)
State and local	23	39	23
Foreign	80	61	52
Current Income Tax Expense (Benefit)	108	100	74
Deferred:
Federal	2	17	40
State and local	(9)	(18)	(3)
Foreign	0	(17)	(6)
Deferred Income Tax Expense (Benefit)	(7)	(18)	31
Income tax expense (benefit)	$ 101	$ 82	$ 105