Financial Instruments - Additional Information (Detail) - USD ($) $ in Millions	Sep. 04, 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	175
Collateral Already Posted, Aggregate Fair Value	0
Commodity contracts
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	1,400	1,100
Foreign Exchange Contract
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	2,300	1,900
Interest rate derivatives
Derivative Instruments, Gain (Loss) [Line Items]
Derivative, Notional Amount	2,300	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	$ 258	260
Commercial Paper - Cash and Cash Equivalents
Derivative Instruments, Gain (Loss) [Line Items]
Debt Securities, Held-to-maturity		75
Commercial paper - STI
Derivative Instruments, Gain (Loss) [Line Items]
Debt Securities, Held-to-maturity		$ 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