v3.26.1
Postemployment Benefits Pension Plans - Net Cost/(Benefit) (Details) - USD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Jun. 27, 2026
Jun. 28, 2025
Jun. 27, 2026
Jun. 28, 2025
Postretirement Plans        
Defined Benefit Plan Disclosure [Line Items]        
Service cost $ 1 $ 0 $ 1 $ 1
Interest cost 5 8 11 15
Expected return on plan assets (8) (11) (16) (23)
Amortization of prior service costs/(credits) (2) (3) (5) (6)
Amortization of unrecognized losses/(gains) (6) (7) (12) (13)
Net postretirement cost/(benefit) (10) (13) (66) (26)
Non-U.S. Plans | Pension Plans        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 1 1 2 2
Interest cost 13 14 27 28
Expected return on plan assets (19) (21) (38) (42)
Amortization of prior service costs/(credits) 1 0 2 1
Amortization of unrecognized losses/(gains) 3 4 6 7
Settlements 0 0 0 0
Net postretirement cost/(benefit) (1) (2) (1) (4)
U.S. Plans | Pension Plans        
Defined Benefit Plan Disclosure [Line Items]        
Service cost 1 1 1 1
Interest cost 27 32 54 65
Expected return on plan assets (44) (50) (88) (99)
Amortization of prior service costs/(credits) 0 1 0 1
Amortization of unrecognized losses/(gains) 0 0 0 0
Settlements 0 10 0 10
Net postretirement cost/(benefit) $ (16) $ (6) $ (33) $ (22)