Fair Value of Financial Instruments and Risk Management - Financial Instruments Not Carried At Fair Value (Narrative) (Details) - CAD ($) $ in Billions |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Carrying value | ||
| Debt Instrument [Line Items] | ||
| Long-term debt, including current portion | $ 33.4 | $ 29.7 |
| Estimated fair value | ||
| Debt Instrument [Line Items] | ||
| Long-term debt, including current portion | $ 31.3 | $ 27.9 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The fair value amount of long-term debt whether such amount is presented as a separate caption or as a parenthetical disclosure. Additionally, this element may be used in connection with the fair value disclosures required in the footnote disclosures to the financial statements. The element may be used in both the balance sheet and disclosure in the same submission. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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