Operating Segments - Additional Information (Detail) - CAD ($) $ in Millions |
3 Months Ended | 6 Months Ended | |
|---|---|---|---|
Apr. 30, 2025 |
Apr. 30, 2026 |
Apr. 30, 2025 |
|
| Disclosure of operating segments [line items] | |||
| Description of reportable segments | The Bank’s businesses are grouped into four business lines: Canadian Banking, International Banking, Global Wealth Management and Global Banking and Markets. The Bank’s other smaller business segments and corporate adjustments are included in the Other segment. | ||
| Tax equivalent basis gross up amount | $ 9 | $ 17 | |