Share Capital - Schedule of Regulatory Capital and Ratios (Detail) - CAD ($) $ in Millions |
Jan. 31, 2023 |
Oct. 31, 2022 |
|---|---|---|
| Disclosure of Basel III captial disclosure [line items] | ||
| Common Equity Tier 1 (CET1) capital | $ 36,649 | $ 37,005 |
| Tier 1 capital | 41,592 | 41,946 |
| Total capital | 49,045 | 48,263 |
| Total risk-weighted assets (RWA) | $ 315,038 | $ 315,634 |
| CET1 ratio | 11.60% | 11.70% |
| Tier 1 capital ratio | 13.20% | 13.30% |
| Total capital ratio | 15.60% | 15.30% |
| Leverage ratio exposure | $ 967,199 | $ 961,791 |
| Leverage ratio | 4.30% | 4.40% |
| TLAC available | $ 91,961 | $ 95,136 |
| TLAC ratio | 29.20% | 30.10% |
| TLAC leverage ratio | 9.50% | 9.90% |