Goodwill and Identifiable Intangible Assets - Estimated Amortization Expense (Detail) $ in Millions	Mar. 25, 2016 USD ($)
Goodwill and Intangible Assets Disclosure [Abstract]
Estimated amortization expense, 2016	$ 33
Estimated amortization expense, 2017	31
Estimated amortization expense, 2018	27
Estimated amortization expense, 2019	24
Estimated amortization expense, 2020	$ 21