Intangible Assets Amortizable Intangible Assets, net (Detail) - USD ($) $ in Millions	Sep. 04, 2021	Dec. 26, 2020
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 3,239	$ 3,440
Finite-Lived Intangible Assets, Accumulated Amortization	(1,655)	(1,737)
Amortizable Intangible Assets, net	1,584	1,703
Other Identifiable Intangibles [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	456	474
Finite-Lived Intangible Assets, Accumulated Amortization	(257)	(261)
Amortizable Intangible Assets, net	199	213
Brands
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	1,164	1,348
Finite-Lived Intangible Assets, Accumulated Amortization	(992)	(1,099)
Amortizable Intangible Assets, net	172	249
Reacquired Franchise Rights
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	638	642
Finite-Lived Intangible Assets, Accumulated Amortization	(222)	(204)
Amortizable Intangible Assets, net	416	438
Acquired Franchise Rights
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	981	976
Finite-Lived Intangible Assets, Accumulated Amortization	(184)	(173)
Amortizable Intangible Assets, net	$ 797	$ 803