Income Taxes - Income Tax Data from Continuing Operations (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Pretax income
U.S.	$ 269	$ 382	$ 462
Foreign	400	400	366
Total	669	782	828
Current:
U.S. federal	70	53	77
State and local		10	3
Foreign	91	93	118
Total	161	156	198
Deferred:
U.S. federal	12	36	69
State and local	2	19	13
Foreign	5	(72)	(17)
Total	19	(17)	65
Total income tax expense (benefit), continuing operations	$ 180	$ 139	$ 263