Costs Associated with Exit and Restructuring Activities - Summary of Exit and Restructuring Costs Incurred (Detail) - USD ($) $ in Millions	6 Months Ended		14 Months Ended	20 Months Ended
	Dec. 31, 2016	Jul. 02, 2016	Dec. 31, 2015	Jul. 02, 2016
The Acquisition
Restructuring Cost and Reserve [Line Items]
Severance, stay bonus, and other employee-related expenses		$ 9	$ 36	$ 45
Obligations for future non-cancellable lease payments		2	9	11
Total		$ 11	$ 45	$ 56
Scenario, Forecast | Maximum
Restructuring Cost and Reserve [Line Items]
Total	$ 20