Pension Benefits Change in Projected Benefit Obligations, Plan Assets, and Funding Status (Details) - USD ($) $ in Millions	12 Months Ended
	Jan. 01, 2022	Jan. 02, 2021
Amounts Recognized in Balance Sheet
Other Assets	$ 448	$ 324
Other liabilities	(706)	(769)
Pension
Change in Benefit Obligation [Roll Forward]
Actuarial (gain) loss	12
Global plans | Pension
Change in Benefit Obligation [Roll Forward]
Beginning of Year	5,675	5,654
Service Cost	36	37
Interest Cost	98	130
Plan participants' contributions	1	1
Plan Amendments	18	22
Actuarial (gain) loss	(130)	499
Benefits paid	(423)	(292)
Curtailments and special termination benefits	(1)	(15)
Defined Benefit Plan, Benefit Obligation, Payment for Settlement	0	(453)
Foreign Currency Adjustments	(38)	92
End of Year	5,236	5,675
Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward]
Fair Value, Beginning of Year	5,211	5,170
Actual Return on Plan Assets	184	656
Employer Contributions	4	8
Plan participants' contributions	1	1
Benefits Paid, Plan Assets	(397)	(269)
Settlements	0	(453)
Other	0	(8)
Currency translation	(44)	106
Fair Value, End of Year	4,959	5,211
Funded Status	(277)	(464)
Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss)
Prior Service Cost	61	51
Net Amount Recognized	61	51
Amounts Recognized in Balance Sheet
Other Assets	448	324
Other Current Liabilities	(19)	(19)
Other liabilities	(706)	(769)
Net Amount Recognized	(277)	(464)
Defined Benefit Plan, Accumulated Benefit Obligation	$ 5,200	$ 5,600