Employee Benefits - Components of Plan Benefit Expense (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Oct. 01, 2022	Oct. 02, 2021	Oct. 01, 2022	Oct. 02, 2021
Pension | Global Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 6	$ 9	$ 23	$ 27
Interest cost	34	25	91	75
Expected return on plan assets	(57)	(76)	(200)	(231)
Amortization of unrecognized prior service cost (gain)	2	2	7	6
Recognized net (gain) loss	(15)	83	(46)	63
Net periodic benefit cost	(30)	43	(125)	(60)
Curtailment (gain) loss	0	(1)	0	(1)
Total plan benefit (income) expense	(30)	42	(125)	(61)
Other Nonpension Postretirement | U.S. and Canada
Defined Benefit Plan Disclosure [Line Items]
Service cost	2	3	8	9
Interest cost	6	5	18	15
Expected return on plan assets	(28)	(23)	(83)	(69)
Amortization of unrecognized prior service cost (gain)	(2)	(2)	(7)	(6)
Total plan benefit (income) expense	(22)	(17)	(64)	(51)
Postemployment | Global Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	1	2	3
Interest cost	1	1	1	1
Recognized net (gain) loss	0	0	(2)	(2)
Total plan benefit (income) expense	$ 1	$ 2	$ 1	$ 2