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Capital Management - Summary of Regulatory Capital and Capital Ratios (Detail) - CAD ($)
$ in Millions
Oct. 31, 2025
Oct. 31, 2024
Capital    
Common Equity Tier 1 capital [1] $ 62,752 $ 60,631
Net Tier 1 capital [1] 72,790 69,499
Total regulatory capital [1] 80,908 77,708
Total loss absorbing capacity (TLAC) [1],[2] 138,049 137,752
Risk-weighted assets/exposures used in calculation of capital ratios    
Risk-weighted assets [1] 474,453 463,992
Leverage exposures [3] $ 1,622,415 $ 1,563,140
Regulatory ratios    
Common Equity Tier 1 capital ratio [1] 13.20% 13.10%
Tier 1 capital ratio [1] 15.30% 15.00%
Total capital ratio [1] 17.10% 16.70%
Total loss absorbing capacity ratio [1],[2] 29.10% 29.70%
Leverage ratio [1],[3] 4.50% 4.40%
Total loss absorbing capacity leverage ratio [2] 8.50% 8.80%
[1] The regulatory capital ratios are based on Basel III requirements as determined in accordance with OSFI Guideline – Capital Adequacy Requirements (November 2023).
[2] This measure has been disclosed in this document in accordance with OSFI Guideline – Total Loss Absorbing Capacity (September 2018).
[3] The leverage ratios are based on Basel III requirements as determined in accordance with OSFI Guideline – Leverage Requirements (February 2023).