Long-Term Debt - Schedule of Long-Term Debt (Details) - CAD ($) $ in Millions |
Jun. 30, 2026 |
Dec. 31, 2025 |
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| Debt Instrument [Line Items] | ||
| Long-term debt, excluding credit facility borrowings | $ 34,503 | $ 32,542 |
| Long-term debt | 36,141 | 34,057 |
| Less: Deferred financing costs and debt discounts | (199) | (188) |
| Less: Current installments of long-term debt | (3,395) | (3,146) |
| Long-term debt less current portion and deferred financing costs and debt discounts | 32,547 | 30,723 |
| Credit facility | ||
| Debt Instrument [Line Items] | ||
| Less: Current installments of long-term debt | (1,322) | (707) |
| Credit facility | Long-term credit facility borrowings | ||
| Debt Instrument [Line Items] | ||
| Long-term debt | $ 1,638 | $ 1,515 |
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- Definition Long-Term Debt Excluding Credit Facilities No definition available.
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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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/disclosureRef
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- Definition Amount of unamortized debt discount (premium) and debt issuance costs. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as current. Excludes lease obligation. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Amount, after deduction of unamortized premium (discount) and debt issuance cost, of long-term debt classified as noncurrent. Excludes lease obligation. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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