Deferred Tax (Detail) - USD ($) $ in Millions	Jul. 05, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Current deferred tax asset	$ 17	$ 16
Current deferred tax liability	(771)	(729)
Noncurrent deferred tax asset	1,524	1,439
Noncurrent deferred tax liability	(89)	(82)
Net deferred tax asset	$ 681	$ 644