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Other long-term obligations | 6 Months Ended
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Jun. 30, 2025
Other Liabilities Disclosure [Abstract] |
Other long-term obligations | Other long-term obligations
| As at Jun 30 | As at Dec 31
millions of Canadian dollars | 2025 |  | 2024 |
Employee retirement benefits (a) | 828 |  | 846 |
Asset retirement obligations and other environmental liabilities (b) | 2,607 |  | 2,641 |
Share-based incentive compensation liabilities | 197 |  | 119 |
Operating lease liability (c) | 147 |  | 144 |
Other obligations | 122 |  | 120 |
Total other long-term obligations | 3,901 |  | 3,870 |
(a)Total recorded employee retirement benefits obligations also included $61 million in current liabilities (2024 - $61 million). (b)Total asset retirement obligations and other environmental liabilities also included $291 million in current liabilities (2024 - $291 million). (c)Total operating lease liability also included $102 million in current liabilities (2024 - $100 million). In addition to the total operating lease liability, undiscounted commitments for leases not yet commenced totaled $48 million (2024 - $56 million).

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