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PENSION AND OTHER POSTRETIREMENT BENEFIT PLANS (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 27, 2025 | Jun. 28, 2024 | Jun. 27, 2025 | Jun. 28, 2024
Net periodic pension and other Postretirement benefit cost |  |  |  |
Contributions to pension plan |  |  | $ 17 | $ 16
Increase (Decrease) for Assets Transferred to (from) Plan |  |  | (331) | (44)
Expected Future Employer Contributions, Remainder of Fiscal Year | $ 12 |  | 12 |
Pension Benefits |  |  |  |
Net periodic pension and other Postretirement benefit cost |  |  |  |
Service cost | 25 | $ 26 | 51 | 53
Interest cost | 74 | 77 | 149 | 154
Expected return on plan assets | (104) | (117) | (208) | (235)
Amortization of prior service cost (credit) | 0 | 1 | 0 | 1
Amortization of net actuarial loss (gain) | 26 | 25 | 51 | 51
Curtailment charges |  |  | 11 | 0
Special termination benefits |  |  | 25 | 0
Net periodic benefit cost (income) | $ 21 | 12 | $ 79 | 24
Weighted-Average Expected Long-term Rate of Return on Plan Assets | 7.00% |  | 7.00% |
Other Benefits |  |  |  |
Net periodic pension and other Postretirement benefit cost |  |  |  |
Service cost | $ 1 | 1 | $ 2 | 2
Interest cost | 2 | 5 | 5 | 9
Expected return on plan assets | (1) | (2) | (2) | (4)
Amortization of prior service cost (credit) | 0 | (1) | (1) | (2)
Amortization of net actuarial loss (gain) | 0 | (1) | 0 | (2)
Curtailment charges |  |  | 0 | 0
Special termination benefits |  |  | 0 | 0
Net periodic benefit cost (income) | $ 2 | $ 2 | $ 4 | $ 3
Weighted-Average Expected Long-term Rate of Return on Plan Assets | 6.75% |  | 6.75% |

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