Intangible Assets Amortizable Intangible Assets, net (Detail) - USD ($) $ in Millions	Mar. 21, 2020	Dec. 28, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 3,091	$ 3,088
Finite-Lived Intangible Assets, Accumulated Amortization	(1,648)	(1,655)
Amortizable Intangible Assets, net	1,443	1,433
Other Identifiable Intangibles [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	850	810
Finite-Lived Intangible Assets, Accumulated Amortization	(328)	(326)
Amortizable Intangible Assets, net	522	484
Brands
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	1,307	1,326
Finite-Lived Intangible Assets, Accumulated Amortization	(1,058)	(1,066)
Amortizable Intangible Assets, net	249	260
Reacquired Franchise Rights
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	105	106
Finite-Lived Intangible Assets, Accumulated Amortization	(105)	(105)
Amortizable Intangible Assets, net		1
Acquired Franchise Rights
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	829	846
Finite-Lived Intangible Assets, Accumulated Amortization	(157)	(158)
Amortizable Intangible Assets, net	$ 672	$ 688