Income Tax Expense (Benefit) Attributable to Operations (Detail) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Current
U.S. federal and state	$ 2	$ (16)	$ (15)
Non-U.S	106	57	8
Total current	108	41	(7)
Deferred
U.S. federal and state	2	(5)	1
Non-U.S	(25)	(5)	(21)
Total deferred	(14)	(10)	(20)
Total expense (benefit)	$ 85	$ 31	$ (27)