Income Tax Expense (Benefit) Attributable to Continuing Operations (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current
U.S. federal and state	$ 18	$ 2	$ (16)
Non-U.S.	113	108	58
Total current	131	110	42
Deferred
U.S. federal and state		2	(5)
Non-U.S.	(80)	(25)	(7)
Total deferred	(80)	(23)	(12)
Total expense	$ 51	$ 87	$ 30