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Retirement Plans (Details) - USD ($)
$ in Millions
 3 Months Ended
Mar. 30, 2024
Apr. 01, 2023
Pension Benefits    
Net periodic benefit income    
Service cost $ 17 $ 17
Interest cost 90 91
Expected return on plan assets (159) (152)
Amortization of net actuarial loss 1 0
Amortization of prior service cost 2 3
Net periodic benefit income (49) (41)
Pension Benefits | United States    
Net periodic benefit income    
Cost associated with the defined contribution component 4 4
Postretirement Benefits Other Than Pensions    
Net periodic benefit income    
Interest cost 2 2
Amortization of net actuarial loss (2) (2)
Amortization of prior service cost 0 (1)
Net periodic benefit income $ 0 $ (1)