Costs Associated with Exit and Restructuring Activities - Summary of Exit and Restructuring Costs Incurred (Detail) - USD ($) $ in Millions	3 Months Ended		26 Months Ended	29 Months Ended
	Apr. 01, 2017	Apr. 02, 2016	Dec. 31, 2016	Apr. 01, 2017
Restructuring and Related Activities [Abstract]
Severance, related benefits and, other expenses	$ 4		$ 54	$ 58
Obligations for future non-cancellable lease payments	0		11	11
Total	$ 4	$ 5	$ 65	$ 69