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Retirement Plans
 3 Months Ended
Mar. 29, 2025
Retirement Benefits [Abstract]  
Retirement Plans Retirement Plans
We provide defined benefit pension plans and other postretirement benefits to eligible employees.  The components of net periodic benefit (income) cost for these plans are as follows:
Three Months Ended
(In millions)March 29,
2025		March 30,
2024
Pension Benefits
Service cost$16 $17 
Interest cost94 90 
Expected return on plan assets(162)(159)
Amortization of net actuarial loss— 1 
Amortization of prior service cost2 2 
Net periodic benefit income*$(50)$(49)
Postretirement Benefits Other Than Pensions
Interest cost$2 $2 
Amortization of net actuarial gain(2)(2)
Net periodic benefit (income) cost$— $— 
* Excludes the cost associated with the defined contribution component, included in certain of our U.S.-based defined benefit pension plans, that totaled $3 million and $4 million for the first quarter of 2025 and 2024, respectively.