v3.26.1
Capital management - Summary of Regulatory Capital and Capital Ratios (Detail) - CAD ($)
$ in Millions
Jul. 31, 2026
Oct. 31, 2025
Capital    
CET1 capital $ 104,956 $ 98,748
Tier 1 capital 116,072 110,393
Total capital 129,935 122,399
Risk-weighted assets (RWA) used in calculation of capital ratios    
Credit risk 630,182 590,306
Market risk 40,045 41,506
Operational risk 107,760 98,413
Total RWA $ 777,987 $ 730,225
Capital ratios and Leverage ratio    
CET1 ratio 13.50% 13.50%
Tier 1 capital ratio 14.90% 15.10%
Total capital ratio 16.70% 16.80%
Leverage ratio 4.30% 4.40%
Leverage ratio exposure $ 2,705,109 $ 2,491,090
TLAC available and ratios    
TLAC available $ 240,463 $ 230,385
TLAC ratio 30.90% 31.50%
TLAC leverage ratio 8.90% 9.20%