LONG-TERM DEBT - Principal Repayments (Details) - CAD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Disclosure of detailed information about borrowings [line items] | ||
| Long-term debt | $ 35,872 | $ 38,200 |
| 2026 | ||
| Disclosure of detailed information about borrowings [line items] | ||
| Long-term debt | 3,186 | |
| 2027 | ||
| Disclosure of detailed information about borrowings [line items] | ||
| Long-term debt | 4,614 | |
| 2028 | ||
| Disclosure of detailed information about borrowings [line items] | ||
| Long-term debt | 1,915 | |
| 2029 | ||
| Disclosure of detailed information about borrowings [line items] | ||
| Long-term debt | 3,575 | |
| 2030 | ||
| Disclosure of detailed information about borrowings [line items] | ||
| Long-term debt | 3,220 | |
| Thereafter | ||
| Disclosure of detailed information about borrowings [line items] | ||
| Long-term debt | $ 21,422 |