Fair Value Measurements - Schedule of Interest Rate Swaps (Detail) - USD ($) $ in Millions	Jun. 29, 2019	Dec. 29, 2018
Derivatives, Fair Value [Line Items]
Interest rate swaps	$ 1	$ 19
Interest rate swap liability	1
Derivatives designated as hedging instruments
Derivatives, Fair Value [Line Items]
Interest rate swaps	1	19
Interest Rate Derivatives, at Fair Value, Net	0	19
Derivatives designated as hedging instruments | Other current assets
Derivatives, Fair Value [Line Items]
Interest rate swaps	1	8
Derivatives designated as hedging instruments | Other assets
Derivatives, Fair Value [Line Items]
Interest rate swaps	0	11
Derivatives designated as hedging instruments | Other Noncurrent Liabilities [Member]
Derivatives, Fair Value [Line Items]
Interest rate swap liability	$ 1	$ 0