Risk Management - Sensitivity to Changes in Economic Assumptions (Details) - CAD ($) $ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
|---|---|---|
| Risk Management [Abstract] | ||
| Probability-weighted ECL | $ 809 | $ 828 |
| Baseline ECL | 611 | 629 |
| Difference – in amount | $ 198 | $ 199 |
| Difference – in percentage | 24.47% | 24.03% |