Income Taxes - Provision For Income Taxes (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current:
Federal	$ 118	$ 108	$ 136
State and local	12	13	8
International	40	40	38
Total current	170	161	182
Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal	(5)	15	(6)
State and local	(3)	3	(3)
International	4	16	10
Total deferred	(4)	34	1
Provision for income taxes	$ 166	$ 195	$ 183