v3.25.4
Postretirement Plans - Narrative (Details) - U.S. Postretirement Health Care Plans
12 Months Ended
Jan. 03, 2026
Defined Benefit Plan Disclosure [Line Items]  
Health care cost trend rate, pre-65 6.60%
Health care cost trend rate, post-65 7.00%
Health care cost trend rate, 2050 and thereafter 4.00%
Expected long-term rate of return on plan assets 5.80%