CAPITAL RISK MANAGEMENT - Narrative (Details) - CAD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure of detailed information about business combination [line items] | ||
| Long-term debt | $ 35,872 | $ 38,200 |
| Canada Infrastructure Bank Credit Facility due 2052 1.000% | ||
| Disclosure of detailed information about business combination [line items] | ||
| Long-term debt | $ 71 | $ 64 |