v3.25.2
Retirement and Other Employee Benefits - Pension and Postretirement Health Care Benefits (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 28, 2025
Jun. 29, 2024
Jun. 28, 2025
Jun. 29, 2024
Postretirement Health Care Benefits Plan        
Defined Benefit Plan Disclosure [Line Items]        
Interest cost $ 2 $ 2 $ 3 $ 3
Expected return on plan assets (3) (3) (6) (6)
Amortization of:        
Unrecognized net loss 2 1 3 2
Unrecognized prior service cost (benefit) 0 1 1 2
Net periodic pension cost (benefits) 1 1 1 1
U.S. | Pension Benefit Plan        
Defined Benefit Plan Disclosure [Line Items]        
Interest cost 50 47 100 94
Expected return on plan assets (76) (74) (152) (149)
Amortization of:        
Unrecognized net loss 6 6 12 12
Unrecognized prior service cost (benefit) 0 0 0 0
Net periodic pension cost (benefits) (20) (21) (40) (43)
Foreign Plan | Pension Benefit Plan        
Defined Benefit Plan Disclosure [Line Items]        
Interest cost 14 14 28 28
Expected return on plan assets (26) (26) (52) (51)
Amortization of:        
Unrecognized net loss 1 1 3 3
Unrecognized prior service cost (benefit) 0 0 (1) (1)
Net periodic pension cost (benefits) $ (11) $ (11) $ (22) $ (21)