Retirement and Other Employee Benefits - Pension and Postretirement Health Care Benefits (Details) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jul. 01, 2023	Jul. 02, 2022	Jul. 01, 2023	Jul. 02, 2022
Postretirement Health Care Benefits Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	$ 0	$ 0	$ 0	$ 0
Interest cost	2	0	3	0
Expected return on plan assets	(3)	(3)	(6)	(6)
Amortization of:
Unrecognized net loss	1	1	2	2
Unrecognized prior service cost (benefit)	1	0	2	0
Net periodic pension cost (benefits)	1	(2)	1	(4)
U.S. | Pension Benefit Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	0	0	0
Interest cost	47	32	94	64
Expected return on plan assets	(73)	(64)	(146)	(127)
Amortization of:
Unrecognized net loss	5	15	10	30
Unrecognized prior service cost (benefit)	0	0	0	0
Net periodic pension cost (benefits)	(21)	(17)	(42)	(33)
Foreign Plan | Pension Benefit Plan
Defined Benefit Plan Disclosure [Line Items]
Service cost	0	1	0	1
Interest cost	2	8	4	16
Expected return on plan assets	(15)	(26)	(30)	(51)
Amortization of:
Unrecognized net loss	9	4	18	8
Unrecognized prior service cost (benefit)	0	(1)	0	(2)
Net periodic pension cost (benefits)	$ (4)	$ (14)	$ (8)	$ (28)