Costs Associated with Exit and Restructuring Activities - Summary of Exit and Restructuring Costs Incurred (Detail) - The Acquisition - USD ($) $ in Millions	3 Months Ended	12 Months Ended	15 Months Ended
	Apr. 02, 2016	Dec. 31, 2015	Apr. 02, 2016
Restructuring Cost and Reserve [Line Items]
Severance, stay bonuses, and other employee-related expenses	$ 3	$ 36	$ 39
Obligations for future non-cancellable lease payments	3	9	12
Total	$ 6	$ 45	$ 51