INCOME TAXES - Schedule of Unrecognized Tax Benefits (Details) - CAD ($) $ in Millions |
12 Months Ended | |
|---|---|---|
Dec. 31, 2024 |
Dec. 31, 2023 |
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| UNRECOGNIZED TAX BENEFITS | ||
| Unrecognized tax benefits at beginning of year | $ 45 | $ 55 |
| Gross decreases for tax positions of prior year | (2) | (2) |
| Change in translation of foreign currency | 4 | (1) |
| Lapses of statute of limitations | (16) | (7) |
| Unrecognized tax benefits at end of year | $ 31 | $ 45 |
| X | ||||||||||
- Definition Amount of increase (decrease) in unrecognized tax benefits resulting from foreign currency translation. No definition available.
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- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of decrease in unrecognized tax benefits resulting from tax positions taken in prior period tax returns. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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| X | ||||||||||
- Definition Amount of decrease in unrecognized tax benefits resulting from lapses of applicable statutes of limitations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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