Fair Value of Pension Plan Assets (Detail) - Pension Benefits - North America - USD ($) $ in Millions	Dec. 25, 2021	Dec. 26, 2020	Dec. 28, 2019
Defined Benefit Plan Plan Assets Category [Line Items]
Fair value of plan assets	$ 836	$ 894	$ 833
Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Plan Assets Category [Line Items]
Fair value of plan assets	830	888
Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Plan Assets Category [Line Items]
Fair value of plan assets	6	6
U.S. Small And Mid-Cap Equity Securities | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Plan Assets Category [Line Items]
Fair value of plan assets	7	22
U.S. Large Cap Equity Securities | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Plan Assets Category [Line Items]
Fair value of plan assets	29	94
International Equity Securities | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Plan Assets Category [Line Items]
Fair value of plan assets	42	133
Corporate Bonds | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Plan Assets Category [Line Items]
Fair value of plan assets	485	409
Government Securities | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Plan Assets Category [Line Items]
Fair value of plan assets	245	214
Other Fixed Income | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Plan Assets Category [Line Items]
Fair value of plan assets	4	3
Cash
Defined Benefit Plan Plan Assets Category [Line Items]
Fair value of plan assets	6	6
Cash | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Plan Assets Category [Line Items]
Fair value of plan assets	18	13
Cash | Quoted Prices in Active Markets for Identical Assets (Level 1)
Defined Benefit Plan Plan Assets Category [Line Items]
Fair value of plan assets	6	6
Common Collective Trust Funds | Fair Value Measured at Net Asset Value Per Share
Defined Benefit Plan Plan Assets Category [Line Items]
Fair value of plan assets	$ 830	$ 888