Fair Values of Financial Assets and Liabilities (Detail) - USD ($) $ in Millions	Mar. 19, 2022	Dec. 25, 2021
Derivatives, Fair Value [Line Items]
Short-term Investments	$ 343	$ 392
Derivative Asset, Fair Value, Gross Asset	285	167
Derivative Liability, Fair Value, Gross Liability	326	312
Total Financial Assets At Fair Value	602	525
Total Financial Liabilities At Fair Value	806	817
Debt Instrument, Fair Value Disclosure	38,000	43,000
Derivatives Designated As Cash Flow Hedging Instruments Assets [Member]
Derivatives, Fair Value [Line Items]
Cash Flow Hedge Derivative Instrument Assets at Fair Value	190	113
Derivatives Designated As Cash Flow Hedging Instruments Liabilities [Member]
Derivatives, Fair Value [Line Items]
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value	292	283
Derivatives Not Designated As Hedging Instruments Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	95	54
Derivatives Not Designated As Hedging Instruments Liabilities [Member]
Derivatives, Fair Value [Line Items]
Other Derivatives Not Designated as Hedging Instruments Liabilities at Fair Value	34	29
Fair Value, Inputs, Level 2 [Member] \| Derivatives Designated As Cash Flow Hedging Instruments Assets [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Asset at Fair Value	43	29
Interest Rate Cash Flow Hedge Asset at Fair Value	28	14
Price Risk Cash Flow Hedge Asset, at Fair Value	119	70
Fair Value, Inputs, Level 2 [Member] \| Derivatives Designated As Cash Flow Hedging Instruments Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Cash Flow Hedge Liability at Fair Value	16	14
Interest Rate Cash Flow Hedge Liability at Fair Value	275	264
Price Risk Cash Flow Hedge Liability, at Fair Value	1	5
Fair Value, Inputs, Level 2 [Member] \| Derivatives Not Designated As Hedging Instruments Assets [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value	39	19
Price Risk Derivative Instruments Not Designated as Hedging Instruments Asset, at Fair Value	56	35
Fair Value, Inputs, Level 2 [Member] \| Derivatives Not Designated As Hedging Instruments Liabilities [Member]
Derivatives, Fair Value [Line Items]
Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value	22	7
Price Risk Derivative Instruments Not Designated as Hedging Instruments Liability, at Fair Value	12	22
Fair Value, Inputs, Level 2 [Member] \| Liability [Member]
Derivatives, Fair Value [Line Items]
Prepaid Forward Asset Fair Value	0	0
Deferred Compensation Liability, Current and Noncurrent	480	505
Fair Value, Inputs, Level 2 [Member] \| Assets [Member]
Derivatives, Fair Value [Line Items]
Prepaid Forward Asset Fair Value	20	21
Deferred Compensation Liability, Current and Noncurrent	0	0
Liability [Member] \| Fair Value, Inputs, Level 1 [Member]
Derivatives, Fair Value [Line Items]
Short-term Investments	0	0
Assets [Member] \| Fair Value, Inputs, Level 1 [Member]
Derivatives, Fair Value [Line Items]
Short-term Investments	$ 297	$ 337

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