Intangible Assets Amortizable Intangible Assets, net (Detail) - USD ($) $ in Millions	Jun. 12, 2021	Dec. 26, 2020
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 3,474	$ 3,440
Finite-Lived Intangible Assets, Accumulated Amortization	(1,788)	(1,737)
Amortizable Intangible Assets, net	1,686	1,703
Other Identifiable Intangibles [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	475	474
Finite-Lived Intangible Assets, Accumulated Amortization	(269)	(261)
Amortizable Intangible Assets, net	206	213
Brands
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	1,354	1,348
Finite-Lived Intangible Assets, Accumulated Amortization	(1,116)	(1,099)
Amortizable Intangible Assets, net	238	249
Reacquired Franchise Rights
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	656	642
Finite-Lived Intangible Assets, Accumulated Amortization	(220)	(204)
Amortizable Intangible Assets, net	436	438
Acquired Franchise Rights
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	989	976
Finite-Lived Intangible Assets, Accumulated Amortization	(183)	(173)
Amortizable Intangible Assets, net	$ 806	$ 803