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	$ 2	$ 37	$ 39
Obligations for future non-cancellable lease payments	3	9	12
Total	$ 5	$ 46	$ 51