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financial instruments - Fair values Non-derivative (Details) - CAD ($) $ in Millions | Jun. 30, 2026 | Dec. 31, 2025
--- | --- | ---
financial instruments |  |
Long-term debt, excluding leases | $ 27,256 | $ 27,225
Carrying value |  |
financial instruments |  |
Long-term debt, excluding leases | 27,256 | 27,225
Fair value |  |
financial instruments |  |
Long-term debt, excluding leases | $ 27,412 | $ 27,507

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- Definition Total long-term borrowings, including the current and non-current portion but excluding the lease liabilities. + References No definition available. + Details
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