Employee Benefits - Components of Plan Benefit Expense (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Pension | Global Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 6	$ 8	$ 12	$ 17
Interest cost	44	28	88	57
Expected return on plan assets	(54)	(72)	(107)	(143)
Amortization of unrecognized prior service cost (gain)	3	3	5	5
Recognized net (gain) loss	0	(10)	0	(31)
Net periodic benefit cost	(1)	(43)	(2)	(95)
Other Nonpension Postretirement | U.S. and Canada
Defined Benefit Plan Disclosure [Line Items]
Service cost	1	3	3	6
Interest cost	10	6	20	12
Expected return on plan assets	(24)	(27)	(48)	(55)
Amortization of unrecognized prior service cost (gain)	(3)	(3)	(5)	(5)
Total plan benefit (income) expense	(16)	(21)	(30)	(42)
Postemployment | Global Plans
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	1	1	2
Interest cost	1	0	1	0
Recognized net (gain) loss	0	(1)	(1)	(2)
Total plan benefit (income) expense	$ 1	$ 0	$ 1	$ 0