Comprehensive Income (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 02, 2022	Jul. 03, 2021	Jul. 02, 2022	Jul. 03, 2021
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	$ 41,018	$ 35,068	$ 40,855	$ 34,517
Total other comprehensive items	(382)	(68)	(395)	177
Balance	42,354	36,901	42,354	36,901
Currency Translation Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance			(2,065)
Other comprehensive items before reclassifications			(416)
Amounts reclassified from accumulated other comprehensive items			7
Total other comprehensive items			(409)
Balance	(2,474)		(2,474)
Unrealized Losses on Hedging Instruments [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance			(35)
Amounts reclassified from accumulated other comprehensive items			1
Total other comprehensive items			1
Balance	(34)		(34)
Pension and Other Postretirement Benefit Liability Adjustment [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance			(229)
Other comprehensive items before reclassifications			9
Amounts reclassified from accumulated other comprehensive items			4
Total other comprehensive items			13
Balance	(216)		(216)
Accumulated Other Comprehensive Items [Member]
Accumulated Other Comprehensive Income (Loss) [Line Items]
Balance	(2,343)	(2,562)	(2,329)	(2,807)
Other comprehensive items before reclassifications			(407)
Amounts reclassified from accumulated other comprehensive items			12
Total other comprehensive items	(381)	(68)	(395)	177
Balance	$ (2,724)	$ (2,630)	$ (2,724)	$ (2,630)