Intangible Assets Amortizable Intangible Assets, net (Detail) - USD ($) $ in Millions	Sep. 05, 2020	Dec. 28, 2019
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 3,209	$ 3,088
Finite-Lived Intangible Assets, Accumulated Amortization	(1,694)	(1,655)
Amortizable Intangible Assets, net	1,515	1,433
Other Identifiable Intangibles [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	941	810
Finite-Lived Intangible Assets, Accumulated Amortization	(339)	(326)
Amortizable Intangible Assets, net	602	484
Brands
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	1,317	1,326
Finite-Lived Intangible Assets, Accumulated Amortization	(1,082)	(1,066)
Amortizable Intangible Assets, net	235	260
Reacquired Franchise Rights
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	106	106
Finite-Lived Intangible Assets, Accumulated Amortization	(106)	(105)
Amortizable Intangible Assets, net	0	1
Acquired Franchise Rights
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	845	846
Finite-Lived Intangible Assets, Accumulated Amortization	(167)	(158)
Amortizable Intangible Assets, net	$ 678	$ 688