v3.25.4
Retirement Plans - Obligations and Funded Status (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 03, 2026
Dec. 28, 2024
Dec. 30, 2023
Pension Benefits      
Change in projected benefit obligation      
Projected benefit obligation at beginning of year $ 6,788 $ 7,205  
Service cost 63 69 $ 67
Interest cost 376 362 364
Plan participants’ contributions 0 0  
Actuarial losses (gains) 75 (392)  
Benefits paid (458) (454)  
Plan amendment 29 19  
Foreign exchange rate changes and other 45 (21)  
Projected benefit obligation at end of year 6,918 6,788 7,205
Change in fair value of plan assets      
Balance at beginning of year 8,772 8,413  
Actual return on plan assets 1,145 806  
Employer contributions 31 34  
Benefits paid (458) (454)  
Foreign exchange rate changes and other 69 (27)  
Balance at end of year 9,559 8,772 8,413
Funded status at end of year 2,641 1,984  
Postretirement Benefits Other than Pensions      
Change in projected benefit obligation      
Projected benefit obligation at beginning of year 121 136  
Service cost 1 1 2
Interest cost 6 7 8
Plan participants’ contributions 2 3  
Actuarial losses (gains) 2 (7)  
Benefits paid (21) (19)  
Plan amendment 0 0  
Foreign exchange rate changes and other 0 0  
Projected benefit obligation at end of year 111 121 $ 136
Change in fair value of plan assets      
Funded status at end of year $ (111) $ (121)