Fair Values of Financial Assets and Liabilities (Detail) $ in Millions	3 Months Ended	8 Months Ended
	Sep. 05, 2020 USD ($)	Sep. 05, 2020 USD ($)	Dec. 28, 2019 USD ($)
Derivatives, Fair Value [Line Items]
Senior Notes	$ 1,500	$ 1,500	$ 2,200
Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease)	4	4	(5)
Short-term Investments	611	611	229
Derivative Asset, Fair Value, Gross Asset	70	70	41
Derivative Liability, Fair Value, Gross Liability	440	440	470
Total Financial Assets At Fair Value	698	698	287
Total Financial Liabilities At Fair Value	1,763	1,763	938
Derivatives not designated as hedging instruments:
Deferred (Gain) Loss on Discontinuation of Fair Value Hedge	28	28	49
Collateral Already Posted, Aggregate Fair Value	61	61	58
Business Combinations [Abstract]
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, Value, High	1,100	1,100
Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability		874
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Issuances		848
Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings	10	$ 26
Duration of contingent consideration arrangement		15 years
Business Combination, Contingent Consideration, Asset	0	$ 0	0
Business Combination, Contingent Consideration, Liability	874	874	0
Derivatives Designated As Cash Flow Hedging Instruments Assets [Member]
Derivatives, Fair Value [Line Items]
Cash Flow Hedge Derivative Instrument Assets at Fair Value	29	29	9
Derivatives Designated As Cash Flow Hedging Instruments Liabilities [Member]
Derivatives, Fair Value [Line Items]
Cash Flow Hedge Derivative Instrument Liabilities at Fair Value	413	413	432
Derivatives Not Designated As Hedging Instruments Assets [Member]
Derivatives, Fair Value [Line Items]
Derivative Instruments Not Designated as Hedging Instruments, Asset, at Fair Value	37	37	32
Derivatives Not Designated As Hedging Instruments Liabilities [Member]
Derivatives, Fair Value [Line Items]
Other Derivatives Not Designated as Hedging Instruments Liabilities at Fair Value	27	27	33
Fair Value, Inputs, Level 2 [Member] | Derivatives Designated As Fair Value Hedging Instruments Assets [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Fair Value Hedge Asset at Fair Value	4	4	0
Fair Value, Inputs, Level 2 [Member] | Derivatives Designated As Fair Value Hedging Instruments Liabilities [Member]
Derivatives, Fair Value [Line Items]
Interest Rate Fair Value Hedge Liability at Fair Value	0	0	5
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	21	21	5
Interest Rate Cash Flow Hedge Asset at Fair Value	0	0	0
Price Risk Cash Flow Hedge Asset, at Fair Value	8	8	2
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	41	41	32
Interest Rate Cash Flow Hedge Liability at Fair Value	366	366	390
Price Risk Cash Flow Hedge Liability, at Fair Value	6	6	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	26	26	3
Price Risk Derivative Instruments Not Designated as Hedging Instruments Asset, at Fair Value	11	11	6
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	3	3	2
Price Risk Derivative Instruments Not Designated as Hedging Instruments Liability, at Fair Value	24	24	24
Fair Value, Inputs, Level 2 [Member] | Liability [Member]
Derivatives, Fair Value [Line Items]
Prepaid Forward Asset Fair Value	0	0	0
Deferred Compensation Liability, Current and Noncurrent	449	449	468
Fair Value, Inputs, Level 2 [Member] | Assets [Member]
Derivatives, Fair Value [Line Items]
Prepaid Forward Asset Fair Value	17	17	17
Deferred Compensation Liability, Current and Noncurrent	0	0	0
Fair Value, Inputs, Level 1 [Member] | Derivatives Designated As Cash Flow Hedging Instruments Assets [Member]
Derivatives, Fair Value [Line Items]
Price Risk Cash Flow Hedge Asset, at Fair Value	0	0	2
Fair Value, Inputs, Level 1 [Member] | Derivatives Designated As Cash Flow Hedging Instruments Liabilities [Member]
Derivatives, Fair Value [Line Items]
Price Risk Cash Flow Hedge Liability, at Fair Value	0	0	5
Fair Value, Inputs, Level 1 [Member] | Derivatives Not Designated As Hedging Instruments Assets [Member]
Derivatives, Fair Value [Line Items]
Price Risk Derivative Instruments Not Designated as Hedging Instruments Asset, at Fair Value	0	0	23
Fair Value, Inputs, Level 1 [Member] | Derivatives Not Designated As Hedging Instruments Liabilities [Member]
Derivatives, Fair Value [Line Items]
Price Risk Derivative Instruments Not Designated as Hedging Instruments Liability, at Fair Value	0	0	7
Liability [Member]
Derivatives, Fair Value [Line Items]
Short-term Investments	0	0	0
Liability [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives, Fair Value [Line Items]
Short-term Investments	0	0	0
Liability [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives, Fair Value [Line Items]
Short-term Investments	0	0	0
Assets [Member]
Derivatives, Fair Value [Line Items]
Short-term Investments	611	611	229
Assets [Member] | Fair Value, Inputs, Level 2 [Member]
Derivatives, Fair Value [Line Items]
Short-term Investments	400	400	0
Assets [Member] | Fair Value, Inputs, Level 1 [Member]
Derivatives, Fair Value [Line Items]
Short-term Investments	$ 211	$ 211	$ 229
Fair Value, Inputs, Level 3, estimated range of payments, low [Member]
Business Combinations [Abstract]
Business Combination, Contingent Consideration, Liability, Measurement Input	40,000,000	40,000,000
Fair Value, Inputs, Level 3, estimated range of payments, high [Member]
Business Combinations [Abstract]
Business Combination, Contingent Consideration, Liability, Measurement Input	100,000,000	100,000,000
Fair Value, Inputs, Level 3, estimated range of payments, average [Member]
Business Combinations [Abstract]
Business Combination, Contingent Consideration, Liability, Measurement Input	70,000,000	70,000,000
Fair Value, Inputs, Level 3, estimated range of probabilities of acceleration, low [Member]
Business Combinations [Abstract]
Business Combination, Contingent Consideration, Liability, Measurement Input	0	0
Fair Value, Inputs, Level 3, estimated range of probabilities of acceleration, high [Member]
Business Combinations [Abstract]
Business Combination, Contingent Consideration, Liability, Measurement Input	0.10	0.10
Fair Value, Inputs, Level 3, weighted average payment period [Member]
Business Combinations [Abstract]
Duration of contingent consideration arrangement		7 years
Fair Value, Inputs, Level 3, estimated range of discount rates, low [Member]
Business Combinations [Abstract]
Business Combination, Contingent Consideration, Liability, Measurement Input	0.01	0.01
Fair Value, Inputs, Level 3, estimated range of discount rates, high [Member]
Business Combinations [Abstract]
Business Combination, Contingent Consideration, Liability, Measurement Input	0.05	0.05
Fair Value, Inputs, Level 3, weighted average discount rate [Member]
Business Combinations [Abstract]
Business Combination, Contingent Consideration, Liability, Measurement Input	0.02	0.02