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v3.25.2

Pension and other benefits | 6 Months Ended
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Jun. 30, 2025
Retirement Benefits [Abstract] |
Pension and other benefits | Pension and other benefits During the three and six months ended June 30, 2025, the Company made contributions to its defined benefit pension plans of $4 million and $8 million, respectively (three and six months ended June 30, 2024 - $2 million and $5 million, respectively). Net periodic benefit (recovery) cost for defined benefit pension plans and other benefits included the following components:
| For the three months ended June 30
| Pensions | Other benefits | Total
(in millions of Canadian dollars) | 2025 | 2024 | 2025 | 2024 | 2025 | 2024
Current service cost | $ | 21 |  | $ | 21 |  | $ | 4 |  | $ | 3 |  | $ | 25 |  | $ | 24 |
Other components of net periodic benefit (recovery) cost: |  |  |  |  |  |
Interest cost on benefit obligation | 116 |  | 117 |  | 6 |  | 6 |  | 122 |  | 123 |
Expected return on plan assets | (231) |  | (222) |  | — |  | — |  | (231) |  | (222) |
Recognized net actuarial loss (gain) | 2 |  | 10 |  | (1) |  | — |  | 1 |  | 10 |
Amortization of prior service costs | 1 |  | 1 |  | — |  | — |  | 1 |  | 1 |
Total other components of net periodic benefit (recovery) cost | (112) |  | (94) |  | 5 |  | 6 |  | (107) |  | (88) |
Net periodic benefit (recovery) cost | $ | (91) |  | $ | (73) |  | $ | 9 |  | $ | 9 |  | $ | (82) |  | $ | (64) |
| For the six months ended June 30
| Pensions | Other benefits | Total
(in millions of Canadian dollars) | 2025 | 2024 | 2025 | 2024 | 2025 | 2024
Current service cost | $ | 42 |  | $ | 42 |  | $ | 7 |  | $ | 6 |  | $ | 49 |  | $ | 48 |
Other components of net periodic benefit (recovery) cost: |  |  |  |  |  |
Interest cost on benefit obligation | 233 |  | 234 |  | 11 |  | 12 |  | 244 |  | 246 |
Expected return on plan assets | (463) |  | (445) |  | — |  | — |  | (463) |  | (445) |
Recognized net actuarial loss (gain) | 4 |  | 20 |  | (1) |  | — |  | 3 |  | 20 |
Amortization of prior service costs | 2 |  | 3 |  | — |  | — |  | 2 |  | 3 |
Total other components of net periodic benefit (recovery) cost | (224) |  | (188) |  | 10 |  | 12 |  | (214) |  | (176) |
Net periodic benefit (recovery) cost | $ | (182) |  | $ | (146) |  | $ | 17 |  | $ | 18 |  | $ | (165) |  | $ | (128) |

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