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Retirement and Other Employee Benefits - Pension and Postretirement Health Care Benefits (Details) - USD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Sep. 30, 2023
Oct. 01, 2022
Sep. 30, 2023
Oct. 01, 2022
Postretirement Health Care Benefits Plan        
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 0 $ 0 $ 0 $ 0
Interest cost 2 0 5 1
Expected return on plan assets (3) (3) (9) (9)
Amortization of:        
Unrecognized net loss 1 1 3 3
Unrecognized prior service cost (benefit) 1 0 3 0
Net periodic pension cost (benefits) 1 (2) 2 (5)
U.S. | Pension Benefit Plan        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 0 0 0 0
Interest cost 47 32 141 96
Expected return on plan assets (73) (64) (219) (191)
Amortization of:        
Unrecognized net loss 5 15 15 46
Unrecognized prior service cost (benefit) 0 0 0 0
Net periodic pension cost (benefits) (21) (17) (63) (49)
Foreign Plan | Pension Benefit Plan        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 0 1 0 3
Interest cost 2 8 6 24
Expected return on plan assets (16) (26) (46) (77)
Amortization of:        
Unrecognized net loss 9 4 27 11
Unrecognized prior service cost (benefit) 0 (1) 0 (3)
Net periodic pension cost (benefits) $ (5) $ (14) $ (13) $ (42)