OTHER LONG-TERM ASSETS (Details) - CAD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Mar. 04, 2025 |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] | |||
| Deferred pension assets (Note 18) | $ 610 | $ 647 | |
| Investments in associates | 302 | 46 | |
| Right-of-Use assets (Note 21) | 47 | 55 | |
| Other long-term assets | 64 | 60 | |
| Total other assets | 1,023 | 808 | |
| Business Combination [Line Items] | |||
| Investment in equity investees | $ 261 | $ 0 | |
| East-West Tie Limited Partnership | |||
| Business Combination [Line Items] | |||
| Ownership interest in related party (as a percent) | 48.00% | ||
| Investment in equity investees | $ 261 | ||
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- Definition Investments, Noncurrent No definition available.
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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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- References No definition available.
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- Definition Amount of asset, recognized in statement of financial position, for overfunded defined benefit pension and other postretirement plans. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The parent entity's interest in net assets of the subsidiary, expressed as a percentage. No definition available.
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- Definition Amount of lessee's right to use underlying asset under operating lease. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of other miscellaneous assets expected to be realized or consumed after one year or normal operating cycle, if longer. No definition available.
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- Definition Amount of noncurrent assets classified as other. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The cash outflow associated with the purchase of or advances to an equity method investments, which are investments in joint ventures and entities in which the entity has an equity ownership interest normally of 20 to 50 percent and exercises significant influence. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Details
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