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Pension and Other Postretirement Benefits | 9 Months Ended
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Sep. 30, 2025
Retirement Benefits [Abstract] |
Pension and Other Postretirement Benefits | Pension and Other Postretirement Benefits Pension and other postretirement benefit costs for the three and nine months ended September 30, 2025 and 2024 were as follows:
| Three Months Ended |  | Nine Months Ended
| September 30, |  | September 30,
| Pension |  | Other Postretirement Benefits |  | Pension |  | Other Postretirement Benefits
In millions | 2025 |  | 2024 |  | 2025 |  | 2024 |  | 2025 |  | 2024 |  | 2025 |  | 2024
Components of net periodic benefit cost: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Service cost | $ | 8 |  |  | $ | 9 |  |  | $ | 1 |  |  | $ | 1 |  |  | $ | 24 |  |  | $ | 27 |  |  | $ | 3 |  |  | $ | 3 |
Interest cost | 23 |  |  | 23 |  |  | 6 |  |  | 6 |  |  | 69 |  |  | 69 |  |  | 18 |  |  | 18 |
Expected return on plan assets | (33) |  |  | (34) |  |  | (6) |  |  | (5) |  |  | (97) |  |  | (100) |  |  | (19) |  |  | (16) |
Amortization of actuarial loss (gain) | 1 |  |  | 1 |  |  | (3) |  |  | (1) |  |  | 3 |  |  | 5 |  |  | (7) |  |  | (2) |
Amortization of prior service cost | 1 |  |  | 1 |  |  | — |  |  | — |  |  | 1 |  |  | 1 |  |  | — |  |  | — |
Settlements | — |  |  | — |  |  | — |  |  | — |  |  | 1 |  |  | — |  |  | — |  |  | — |
Total net periodic benefit cost (income) | $ | — |  |  | $ | — |  |  | $ | (2) |  |  | $ | 1 |  |  | $ | 1 |  |  | $ | 2 |  |  | $ | (5) |  |  | $ | 3 |
The service cost component of net periodic benefit cost is presented within Cost of revenue and Selling, administrative, and research and development expenses in the Statement of Income while the other components of net periodic benefit cost are presented within Other income (expense). The Company expects to contribute approximately $22 million to its pension plans and $31 million to its other postretirement benefit plans in 2025. As of September 30, 2025, contributions of $20 million to pension plans and $21 million to other postretirement benefit plans have been made.

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