v3.26.3
Retirement and Other Employee Benefits - Pension and Postretirement Health Care Benefits (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Oct. 03, 2026
Sep. 27, 2025
Oct. 03, 2026
Sep. 27, 2025
Postretirement Health Care Benefits Plan        
Defined Benefit Plan Disclosure [Line Items]        
Interest cost $ 1 $ 1 $ 3 $ 4
Expected return on plan assets (3) (3) (9) (9)
Amortization of:        
Unrecognized net loss 1 1 4 4
Unrecognized prior service cost (benefit) 0 1 2 2
Net periodic pension benefits (1) 0 0 1
U.S. | Pension Benefit Plan        
Defined Benefit Plan Disclosure [Line Items]        
Interest cost 47 50 142 150
Expected return on plan assets (74) (76) (222) (229)
Amortization of:        
Unrecognized net loss 11 7 30 19
Unrecognized prior service cost (benefit) 0 0 0 0
Net periodic pension benefits (16) (19) (50) (60)
Foreign Plan | Pension Benefit Plan        
Defined Benefit Plan Disclosure [Line Items]        
Interest cost 15 15 43 43
Expected return on plan assets (26) (28) (79) (81)
Amortization of:        
Unrecognized net loss 3 2 10 5
Unrecognized prior service cost (benefit) (1) (1) (2) (2)
Net periodic pension benefits $ (9) $ (12) $ (28) $ (35)