CONTINGENCIES AND COMMITMENTS - Narrative (Details) - CAD ($) $ in Millions |
3 Months Ended | 12 Months Ended |
|---|---|---|
Mar. 31, 2024 |
Mar. 31, 2026 |
|
| Discontinued operations | ||
| Disclosure of contingent liabilities [line items] | ||
| Final price adjustments sought by buyer | $ 60 | $ 15 |