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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 |

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