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v3.26.1

financing costs (Details) - CAD ($) $ in Millions | 3 Months Ended | 6 Months Ended | 12 Months Ended
--- | --- | --- | ---
Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025 | Jun. 30, 2026 | Jun. 30, 2025
Interest expense |  |  |  |  |  |
Long-term debt, excluding lease liabilities and other - gross | $ 327 | $ 306 | $ 655 | $ 590 |  |
Long-term debt, excluding lease liabilities and other - capitalized | (3) |  | (6) | (9) |  |
Long-term debt, excluding lease liabilities and other - net | 324 | 306 | 649 | 581 |  |
Short-term borrowings and other | 17 | 12 | 30 | 29 |  |
Long-term debt prepayment premium | 51 |  | 51 |  |  |
Total | 392 | 318 | 730 | 610 |  |
Long-term debt - lease liabilities | 41 | 42 | 84 | 83 |  |
Long-term debt - other | 6 | 8 | 11 | 14 |  |
Employee defined benefit plans net interest | 4 | 3 | 7 | 6 |  |
Accretion on provisions | 5 | 7 | 13 | 14 |  |
Interest expense from transactions that do not only involve the raising of finance, Total | 56 | 60 | 115 | 117 |  |
Interest expense other than foreign exchange and unrealized changes | 448 | 378 | 845 | 727 |  |
Foreign exchange | (7) | 12 | (44) | 12 |  |
Total | 441 | 390 | 801 | 739 |  |
Interest income | (21) | (17) | (46) | (22) |  |
Net | 420 | 373 | 755 | 717 |  |
Net interest cost |  |  | 754 | 720 | $ 1,497 | $ 1,404
Interest expense on long-term debt, excluding lease liabilities and other - capitalized |  |  | (6) | (9) |  |
Employee defined benefit plans net interest | $ 4 | $ 3 | $ 7 | $ 6 |  |
Composite interest rate on long-term debt, excluding lease liabilities (as a percent) |  |  | 5.30% | 5.30% |  |

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