OTHER LONG-TERM LIABILITIES (Details) - CAD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Other Liabilities Disclosure [Abstract] | ||
| Post-retirement and post-employment benefit liability (Note 18) | $ 1,672 | $ 1,590 |
| Asset retirement obligations (Note 20) | 43 | 38 |
| Environmental liabilities (Note 19) | 37 | 36 |
| Lease obligations (Note 21) | 29 | 41 |
| Derivative liabilities (Note 16) | 0 | 3 |
| Other long-term liabilities | 42 | 43 |
| Other long-term liabilities | $ 1,823 | $ 1,751 |
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- Definition Other Liabilities, Miscellaneous, Noncurrent No definition available.
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- Definition Postretirement and postemployment benefit plans liabilities non current. No definition available.
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- Definition Carrying value of the obligation (known or estimated) arising from requirements to perform activities to remediate one or more sites, payable after twelve months or beyond the next operating cycle if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Noncurrent portion of the carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Fair value, after the effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset, expected to be settled after one year or the normal operating cycle, if longer. Includes assets not subject to a master netting arrangement and not elected to be offset. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Present value of lessee's discounted obligation for lease payments from operating lease, classified as noncurrent. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition Amount of liabilities classified as other, due after one year or the normal operating cycle, if longer. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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