Costs Associated with Exit and Restructuring - Liabilities and Expenses Related to Exit and Restructuring Activities (Detail) - USD ($) $ in Millions	3 Months Ended								12 Months Ended			24 Months Ended
	Dec. 31, 2015	Oct. 03, 2015	Jul. 04, 2015	Apr. 04, 2015	Dec. 31, 2014	Sep. 27, 2014	Jun. 28, 2014	Mar. 29, 2014	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2015
Restructuring Reserve [Roll Forward]
Balance at beginning of year				$ 7				$ 1	$ 7	$ 1	$ 1	$ 1
Charged to earnings	$ 4	$ 6	$ 18	$ 11	$ 6	$ 0	$ 0	$ 0	39	6	6	45
Cash paid									(32)	0	(6)
Balance at the end of year	$ 14				$ 7				$ 14	$ 7	$ 1	$ 14