Income Taxes - Schedule of Provision for Income Taxes on Income from Continuing Operations (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Current:
Federal	$ 3	$ (3)	$ 14
Foreign	409	357	235
State and local	(1)	1	1
Current provision for income taxes, total	411	355	250
Deferred:
Federal	(108)	7	84
Foreign	142	(41)	95
State and local		(1)	(1)
Deferred provision for income taxes, total	34	(35)	178
Provision for income taxes (T)	$ 445	$ 320	$ 428