Accumulated Other Comprehensive Income (Loss) (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 02, 2022	Jan. 03, 2021	Dec. 29, 2019
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	$ 63,278	$ 59,471	$ 59,752
Net change	2,184	649	(669)
Ending Balance	74,023	63,278	59,471
Foreign Currency Translation
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(8,938)	(8,705)	(8,869)
Net change	(1,079)	(233)	164
Ending Balance	(10,017)	(8,938)	(8,705)
Gain/(Loss) On Securities
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	1	0	0
Net change	(4)	1	0
Ending Balance	(3)	1	0
Employee Benefit Plans
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(6,957)	(6,891)	(6,158)
Net change	4,255	(66)	(733)
Ending Balance	(2,702)	(6,957)	(6,891)
Gain/ (Loss) On Derivatives & Hedges
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	652	(295)	(195)
Net change	(988)	947	(100)
Ending Balance	(336)	652	(295)
Accumulated Other Comprehensive Income (Loss)
AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward]
Beginning Balance	(15,242)	(15,891)	(15,222)
Net change	2,184	649	(669)
Ending Balance	$ (13,058)	$ (15,242)	$ (15,891)