Derivative Financial Instruments (Detail) - USD ($) $ in Millions	3 Months Ended			6 Months Ended
	Jul. 02, 2022	Apr. 02, 2022	Jun. 26, 2021	Jul. 02, 2022	Jun. 26, 2021	Dec. 25, 2021
Notional Disclosures [Abstract]
Notional amount	$ 58,958			$ 58,958		$ 55,750
Offsetting Derivative Assets [Abstract]
Derivative Assets, Fair Value, Gross Amounts	1,651			1,651		1,427
Derivative Assets Subject to Master Netting Arrangements, Gross Amounts Offset in the Balance Sheet	0			0		0
Derivative Assets Subject to Master Netting Arrangements, Net Amount Presented in the Balance Sheet	1,651			1,651		1,427
Derivative Assets, Financial Instruments Not Offset in the Balance Sheet	(595)			(595)		(332)
Derivative Assets, Cash Collateral Not Offset in the Balance Sheet	(1,044)			(1,044)		(986)
Derivative Assets Subject to Master Netting Arrangements, Net Amount	12			12		109
Reverse Repurchase Agreements, Gross Amounts Recognized	2,400			2,400		1,595
Reverse Repurchase Agreements, Gross Amounts Offset In The Balance Sheet	0			0		0
Reverse Repurchase Agreements, Net Amount Presented in the Balance Sheet	2,400			2,400		1,595
Reverse Repurchase Agreements, Financial Instruments Not Offset in the Balance Sheet	0			0		0
Reverse Repurchase Agreements, Cash Collateral Not Offset in the Balance Sheet	(2,400)			(2,400)		(1,595)
Reverse Repurchase Agreements, Net Amount	0			0		0
Total Assets, Gross Amounts Recognized	4,051			4,051		3,022
Total Assets, Gross Amounts Offset in the Balance Sheet	0			0		0
Total Assets, Net Amounts Presented in the Balance Sheet	4,051			4,051		3,022
Total Assets, Financial Instruments, Not Offset in the Balance Sheet	(595)			(595)		(332)
Total Assets, Cash and Non Cash Collateral, Not Offset in the Balance Sheet	(3,444)			(3,444)		(2,581)
Total Assets, Net Amount	12			12		109
Offsetting Derivative Liabilities [Abstract]
Derivative Liabilities, Fair Value, Gross Amounts	1,373			1,373		392
Derivative Liabilities Subject to Master Netting Arrangements, Gross Amounts Offset in the Balance Sheet	0			0		0
Derivative Liabilities Subject to Master Netting Arrangements, Net Amount Presented in the Balance Sheet	1,373			1,373		392
Derivative Liabilities, Financial Instruments Not Offset in the Balance Sheet	(595)			(595)		(332)
Derivative Liabilities, Cash Collateral Not Offset in the Balance Sheet	(759)			(759)		(60)
Derivative Liabilities Subject to Master Netting Arrangements, Net Amount	19			19		0
Effect of Fair Value Hedges on Results of Operations [Abstract]
Change in Unrealized Gain (Loss) on Hedged Item in Fair Value Hedge	236		$ (35)	947	$ 477
Net Change In Unrealized Gain (Loss) Recognized In Income Statement On Fair Value Hedging Instruments And On Hedged Item In Fair Value Hedge	0		0	0	0
Assets
Offsetting Derivative Assets [Abstract]
Derivative Assets, Fair Value, Gross Amounts	1,701			1,701		1,435
Liabilities
Offsetting Derivative Liabilities [Abstract]
Derivative Liabilities, Fair Value, Gross Amounts	1,482			1,482		529
Designated as Hedging Instrument [Member] | Assets
Offsetting Derivative Assets [Abstract]
Derivative Assets, Fair Value, Gross Amounts	70			70		854
Designated as Hedging Instrument [Member] | Liabilities
Offsetting Derivative Liabilities [Abstract]
Derivative Liabilities, Fair Value, Gross Amounts	1,006			1,006		163
Not Designated as Hedging Instrument [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Gains (Losses) Recognized in Income On Derivatives	723		116	841	428
Not Designated as Hedging Instrument [Member] | Assets
Offsetting Derivative Assets [Abstract]
Derivative Assets, Fair Value, Gross Amounts	1,631			1,631		581
Not Designated as Hedging Instrument [Member] | Liabilities
Offsetting Derivative Liabilities [Abstract]
Derivative Liabilities, Fair Value, Gross Amounts	476			476		366
Foreign currency contracts
Notional Disclosures [Abstract]
Notional amount	40,046			40,046		38,024
Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net [Abstract]
Before-tax net gains (losses) attributed to cash flow hedges, recognized in other comprehensive income (loss)	(782)		49	(897)	(285)
Foreign currency contracts | Designated as Hedging Instrument [Member] | Assets
Offsetting Derivative Assets [Abstract]
Derivative Assets, Fair Value, Gross Amounts	5			5		80
Foreign currency contracts | Designated as Hedging Instrument [Member] | Liabilities
Offsetting Derivative Liabilities [Abstract]
Derivative Liabilities, Fair Value, Gross Amounts	768			768		163
Foreign currency contracts | Not Designated as Hedging Instrument [Member] | Interest and other, net [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Gains (Losses) Recognized in Income On Derivatives	1,023		(22)	1,181	212
Foreign currency contracts | Not Designated as Hedging Instrument [Member] | Assets
Offsetting Derivative Assets [Abstract]
Derivative Assets, Fair Value, Gross Amounts	1,458			1,458		475
Foreign currency contracts | Not Designated as Hedging Instrument [Member] | Liabilities
Offsetting Derivative Liabilities [Abstract]
Derivative Liabilities, Fair Value, Gross Amounts	320			320		297
Interest rate contracts
Notional Disclosures [Abstract]
Notional amount	16,803			16,803		15,209
Effect of Fair Value Hedges on Results of Operations [Abstract]
Change in Unrealized Gain (Loss) on Fair Value Hedging Instruments	(236)		35	(947)	(477)
Interest rate contracts | Designated as Hedging Instrument [Member] | Assets
Offsetting Derivative Assets [Abstract]
Derivative Assets, Fair Value, Gross Amounts	65			65		774
Interest rate contracts | Designated as Hedging Instrument [Member] | Liabilities
Offsetting Derivative Liabilities [Abstract]
Derivative Liabilities, Fair Value, Gross Amounts	238			238		0
Interest rate contracts | Not Designated as Hedging Instrument [Member] | Interest and other, net [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Gains (Losses) Recognized in Income On Derivatives	31		(2)	125	21
Interest rate contracts | Not Designated as Hedging Instrument [Member] | Assets
Offsetting Derivative Assets [Abstract]
Derivative Assets, Fair Value, Gross Amounts	173			173		26
Interest rate contracts | Not Designated as Hedging Instrument [Member] | Liabilities
Offsetting Derivative Liabilities [Abstract]
Derivative Liabilities, Fair Value, Gross Amounts	37			37		65
Other
Notional Disclosures [Abstract]
Notional amount	2,109			2,109		2,517
Other | Not Designated as Hedging Instrument [Member] | Various [Member]
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Gains (Losses) Recognized in Income On Derivatives	(331)		$ 140	(465)	$ 195
Other | Not Designated as Hedging Instrument [Member] | Assets
Offsetting Derivative Assets [Abstract]
Derivative Assets, Fair Value, Gross Amounts	0			0		80
Other | Not Designated as Hedging Instrument [Member] | Liabilities
Offsetting Derivative Liabilities [Abstract]
Derivative Liabilities, Fair Value, Gross Amounts	119			119		4
Interest Rate Swap | Long-term Debt | Fair Value Hedging
Derivative [Line Items]
Derivative, Amount of Hedged Item	12,000			12,000		12,000
Derivative, Fair Value, Net	$ (11,825)			(11,825)		$ (12,772)
Derivative Instruments Not Designated as Hedging Instruments [Abstract]
Gains (Losses) Recognized in Income On Derivatives		$ (775)		$ 172