v3.26.1
Postemployment Benefits - Additional Information (Details) - USD ($)
 3 Months Ended
Mar. 28, 2026
Mar. 29, 2025
Pension Plans | U.S. Plans    
Defined Benefit Plan Disclosure [Line Items]    
Employer contributions $ 0  
Estimated future employer contributions 0  
Service cost 0 $ 0
Interest cost 27,000,000 33,000,000
Expected return (loss) (44,000,000) (49,000,000)
Amortization of unrecognized losses/(gains) 0 0
Net cost/(benefit) (17,000,000) (16,000,000)
Pension Plans | Non-U.S. Plans    
Defined Benefit Plan Disclosure [Line Items]    
Employer contributions 1,000,000 1,000,000
Estimated future employer contributions 5,000,000  
Service cost 1,000,000 1,000,000
Interest cost 14,000,000 14,000,000
Expected return (loss) (19,000,000) (21,000,000)
Amortization of unrecognized losses/(gains) 3,000,000 3,000,000
Net cost/(benefit) 0 (2,000,000)
Postretirement Plans    
Defined Benefit Plan Disclosure [Line Items]    
Employer contributions 3,000,000 3,000,000
Estimated future employer contributions 8,000,000  
Service cost 0 1,000,000
Interest cost 6,000,000 7,000,000
Expected return (loss) (8,000,000) (12,000,000)
Amortization of unrecognized losses/(gains) (6,000,000) (6,000,000)
Net cost/(benefit) $ (56,000,000) $ (13,000,000)