- Comparative Analysis of Components of Income Tax Expense (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Current
U.S. federal	$ 25	$ 0	$ 0
State and local	4	4	2
Foreign	81	89	91
Total current income tax expenses	110	93	93
Deferred
U.S. federal	(4)	(25)	0
State and local	2	(20)	0
Foreign	14	(29)	(5)
Total deferred income tax expenses	12	(74)	(5)
Income tax expense	$ 122	$ 19	$ 88