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Financial Instruments - Additional Information (Detail) - USD ($) $ in Millions	Mar. 20, 2021	Dec. 26, 2020
Derivative Instruments, Gain (Loss) [Line Items]
Debt Securities, Held-to-maturity	$ 0	$ 2,100
Derivative, Net Liability Position, Aggregate Fair Value	262
Collateral Already Posted, Aggregate Fair Value	0
Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	1,100	1,100
Foreign Exchange Contract
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	2,000	1,900
Interest rate derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	3,000	3,000
U.S. Treasury Securities Cash and Cash Equivalents
Derivative Instruments, Gain (Loss) [Line Items]
Debt Securities, Held-to-maturity		2,000
U.S. Treasury Securities - STI
Derivative Instruments, Gain (Loss) [Line Items]
Debt Securities, Held-to-maturity		100
Commercial Paper Borrowings
Derivative Instruments, Gain (Loss) [Line Items]
Debt Securities, Held-to-maturity	525	260
Commercial Paper - Cash and Cash Equivalents
Derivative Instruments, Gain (Loss) [Line Items]
Debt Securities, Held-to-maturity	375	75
Commercial paper - STI
Derivative Instruments, Gain (Loss) [Line Items]
Debt Securities, Held-to-maturity	$ 150	$ 185
Interest rate derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Long-term Debt, Percentage Bearing Variable Interest, Percentage Rate	2.00%	3.00%
Net Investment Hedging [Member]
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	$ 2,700	$ 2,700

X

- Definition

The aggregate fair value of assets that are already posted, at the end of the reporting period, as collateral for derivative instruments with credit-risk-related contingent features.

+ References

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-Publisher FASB
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-Topic 815
-SubTopic 10
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No definition available.

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The aggregate fair value amounts of derivative instruments that contain credit-risk-related contingent features that are in a net liability position at the end of the reporting period. For nonderivative instruments that are designated and qualify as hedging instruments, the fair value amounts are the carrying value of the nonderivative hedging instrument, including the adjustment for the foreign currency transaction gain (loss) on that instrument.

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Nominal or face amount used to calculate payment on derivative.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Amount of investment in debt security measured at amortized cost (held-to-maturity).

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a rate subject to change from time to time.

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