Deferred Tax (Detail) - USD ($) $ in Millions	Oct. 04, 2015	Dec. 31, 2014
Income Tax Disclosure [Abstract]
Current deferred tax asset	$ 11	$ 16
Current deferred tax liability	(873)	(729)
Noncurrent deferred tax asset	1,496	1,439
Noncurrent deferred tax liability	(81)	(82)
Net deferred tax asset	$ 553	$ 644