Fair Value Measurements - Schedule of Interest Rate Swaps (Detail) - USD ($) $ in Millions	Mar. 30, 2019	Dec. 29, 2018
Derivatives, Fair Value [Line Items]
Interest rate swaps	$ 12	$ 19
Derivatives designated as hedging instruments
Derivatives, Fair Value [Line Items]
Interest rate swaps	12	19
Derivatives designated as hedging instruments | Other current assets
Derivatives, Fair Value [Line Items]
Interest rate swaps	7	8
Derivatives designated as hedging instruments | Other assets
Derivatives, Fair Value [Line Items]
Interest rate swaps	$ 5	$ 11