v3.25.2
Pension, Retiree Medical and Savings Plans (Weighted-Average Assumptions to Determine Projected Benefit Liability and Benefit Expense for Pension and Retiree Medical Plans) (Details)
 12 Months Ended
Dec. 28, 2024
Dec. 30, 2023
Dec. 31, 2022
Domestic Plan      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 5.70% 5.10% 5.40%
Service Cost Discount Rate 5.10% 5.40% 3.10%
Interest cost discount rate 5.10% 5.40% 3.10%
Expected return on plan assets (a) 7.40% 7.40% 6.70%
Rate of salary increases 3.90% 3.90% 3.20%
Rate of salary increases 3.90% 3.20% 3.00%
International      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 5.50% 5.10% 5.30%
Service Cost Discount Rate 6.90% 7.00% 4.20%
Interest cost discount rate 5.00% 5.40% 2.30%
Expected return on plan assets (a) 5.80% 5.70% 5.30%
Rate of salary increases 4.00% 4.30% 4.20%
Rate of salary increases 4.30% 4.20% 3.30%
Retiree Medical Plan      
Defined Benefit Plan Disclosure [Line Items]      
Discount rate 5.50% 5.10% 5.40%
Service Cost Discount Rate 5.10% 5.40% 2.80%
Interest cost discount rate 5.00% 5.30% 2.10%
Expected return on plan assets (a) 7.10% 7.10% 5.70%