Debt (Equipment Loans) (Details) - CAD ($) $ in Millions |
12 Months Ended | |||
|---|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Oct. 29, 2024 |
Mar. 22, 2024 |
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| Equipment Loan, Non-Revolving Credit Facility | ||||
| Line of Credit Facility [Line Items] | ||||
| Debt issued, face amount | $ 366 | $ 412 | ||
| Repayment of credit facility | $ 88 | $ 63 | ||
| Equipment Loan, Non-Revolving Credit Facility | Minimum | ||||
| Line of Credit Facility [Line Items] | ||||
| Term of issuance | 15 years | |||
| Equipment Loan, Non-Revolving Credit Facility | Maximum | ||||
| Line of Credit Facility [Line Items] | ||||
| Term of issuance | 20 years | |||
| Non-Revolving Credit Facility | ||||
| Line of Credit Facility [Line Items] | ||||
| Outstanding borrowings | $ 1,329 | $ 1,449 | ||
| Interest rate | 3.85% | 4.79% | ||
| Available borrowing capacity | $ 0 | $ 0 | ||
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- Definition Face (par) amount of debt instrument at time of issuance. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition Period of time between issuance and maturity of debt instrument, in PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. No definition available.
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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The effective interest rate at the end of the reporting period. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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/2009/role/commonPracticeRef
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- Definition Amount of borrowing capacity currently available under the credit facility (current borrowing capacity less the amount of borrowings outstanding). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of cash outflow for payment of an obligation from a lender, including but not limited to, letter of credit, standby letter of credit and revolving credit arrangements. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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