Goodwill and Identifiable Intangible Assets - Estimated Amortization Expense (Detail) $ in Millions	Sep. 23, 2016 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Estimated amortization expense, 2016	$ 35
Estimated amortization expense, 2017	32
Estimated amortization expense, 2018	27
Estimated amortization expense, 2019	24
Estimated amortization expense, 2020	$ 20