GENERAL AND ADMINISTRATIVE - Summary of General and Administrative Expenses (Detail) - CAD ($) $ in Millions |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Sep. 30, 2026 |
Sep. 30, 2025 |
Sep. 30, 2026 |
Sep. 30, 2025 |
|
| General And Administrative Expenses [Abstract] | ||||
| Salaries and Benefits | $ 64 | $ 66 | $ 185 | $ 208 |
| Administrative and Other | 77 | 77 | 275 | 245 |
| Stock-Based Compensation Expense (Recovery) | 230 | 77 | 540 | 117 |
| General and Administrative Expenses | $ 371 | $ 220 | $ 1,000 | $ 570 |