v3.25.4
Retirement Plans - Net Periodic Benefit Cost (Income) (Details) - USD ($)
$ in Millions
 12 Months Ended
Jan. 03, 2026
Dec. 28, 2024
Dec. 30, 2023
Other changes in plan assets and benefit obligations recognized in OCI      
Current year actuarial loss (gain) $ (430) $ (568) $ 102
Amortization of net actuarial gain (loss) 9 5 7
Amortization of prior service credit (cost) (9) (8) (8)
Cost associated with defined the defined contribution component 178 164 154
Pension Benefits      
Net periodic benefit income      
Service cost 63 69 67
Interest cost 376 362 364
Expected return on plan assets (648) (635) (610)
Amortization of prior service cost (credit) 10 9 11
Amortization of net actuarial loss (gain) (1) 3 1
Net periodic benefit cost (income) (200) (192) (167)
Other changes in plan assets and benefit obligations recognized in OCI      
Current year actuarial loss (gain) (427) (561) 109
Current year prior service cost 29 19 7
Amortization of net actuarial gain (loss) 1 (3) (1)
Amortization of prior service credit (cost) (10) (9) (11)
Total recognized in OCI, before taxes (407) (554) 104
Total recognized in net periodic benefit income and OCI (607) (746) (63)
Pension Benefits | United States      
Other changes in plan assets and benefit obligations recognized in OCI      
Cost associated with defined the defined contribution component 10 10 11
Postretirement Benefits Other than Pensions      
Net periodic benefit income      
Service cost 1 1 2
Interest cost 6 7 8
Expected return on plan assets 0 0 0
Amortization of prior service cost (credit) (1) (1) (3)
Amortization of net actuarial loss (gain) (8) (8) (8)
Net periodic benefit cost (income) (2) (1) (1)
Other changes in plan assets and benefit obligations recognized in OCI      
Current year actuarial loss (gain) (3) (7) (7)
Current year prior service cost 0 0 0
Amortization of net actuarial gain (loss) 8 8 8
Amortization of prior service credit (cost) 1 1 3
Total recognized in OCI, before taxes 6 2 4
Total recognized in net periodic benefit income and OCI $ 4 $ 1 $ 3