Costs Associated with Exit and Restructuring Activities - Rollforward of Exit and Restructuring Accruals (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 Reserve [Roll Forward]
Balance at the beginning of the period	$ 10	$ 15
Charged to earnings	4	5	$ 65	$ 69
Cash paid	(3)	(7)
Balance at the end of the period	$ 11	$ 13	$ 10	$ 11