Intangible Assets Amortizable Intangible Assets, net (Detail) - USD ($) $ in Millions	3 Months Ended
	Mar. 19, 2022	Dec. 25, 2021
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 3,153	$ 3,201
Finite-Lived Intangible Assets, Accumulated Amortization	(1,656)	(1,663)
Amortizable Intangible Assets, net	$ 1,497	1,538
Vital Pharmaceuticals, Inc. Distribution Agreement Useful Life	3 years
Other Identifiable Intangibles [Member]
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 450	451
Finite-Lived Intangible Assets, Accumulated Amortization	(261)	(260)
Amortizable Intangible Assets, net	189	191
Brands
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	1,120	1,151
Finite-Lived Intangible Assets, Accumulated Amortization	(984)	(989)
Amortizable Intangible Assets, net	136	162
Reacquired Franchise Rights
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	608	623
Finite-Lived Intangible Assets, Accumulated Amortization	(222)	(227)
Amortizable Intangible Assets, net	386	396
Acquired Franchise Rights
Acquired Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	975	976
Finite-Lived Intangible Assets, Accumulated Amortization	(189)	(187)
Amortizable Intangible Assets, net	$ 786	$ 789