Costs Associated with Exit and Restructuring Activities - Summary of Exit and Restructuring Costs Incurred (Detail) - USD ($) $ in Millions	6 Months Ended
	Jul. 01, 2017	Dec. 31, 2016
Restructuring Cost and Reserve [Line Items]
Cumulative costs incurred	$ 70	$ 65
Costs incurred	5
Severance, related benefits and, other expenses
Restructuring Cost and Reserve [Line Items]
Cumulative costs incurred	59	54
Costs incurred	5
Obligations for future non-cancellable lease payments
Restructuring Cost and Reserve [Line Items]
Cumulative costs incurred	11	$ 11
Costs incurred	$ 0