Pensions and Other Benefit Plans - Information Related to the Benefit Obligation and the Fair Value of Plan Assets (Details) - USD ($) $ in Millions	Jan. 02, 2022	Jan. 03, 2021
Qualified Plans | U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	$ 27,944	$ 25,554
Projected Benefit Obligation	25,041	25,466
Accumulated Benefit Obligation	23,985	24,158
Projected Benefit Obligation	2,903	88
Accumulated Benefit Obligation	3,959	1,396
Non-Qualified Plans | U.S. Plans
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	0	0
Projected Benefit Obligation	2,703	2,748
Accumulated Benefit Obligation	2,479	2,495
Projected Benefit Obligation	(2,703)	(2,748)
Accumulated Benefit Obligation	(2,479)	(2,495)
Funded Plans | International Plans
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	13,986	12,641
Projected Benefit Obligation	13,428	14,541
Accumulated Benefit Obligation	12,212	13,210
Projected Benefit Obligation	558	(1,900)
Accumulated Benefit Obligation	1,774	(569)
Unfunded Plans | International Plans
Defined Benefit Plan Disclosure [Line Items]
Plan Assets	0	0
Projected Benefit Obligation	410	545
Accumulated Benefit Obligation	373	493
Projected Benefit Obligation	(410)	(545)
Accumulated Benefit Obligation	$ (373)	$ (493)