v3.26.1
Capital management - Summary of Regulatory Capital and Capital Ratios (Detail) - CAD ($)
$ in Millions
Apr. 30, 2026
Oct. 31, 2025
Capital    
CET1 capital $ 101,313 $ 98,748
Tier 1 capital 112,453 110,393
Total capital 126,286 122,399
Risk-weighted assets (RWA) used in calculation of capital ratios    
Credit risk 606,835 590,306
Market risk 37,511 41,506
Operational risk 104,244 98,413
Total RWA $ 748,590 $ 730,225
Capital ratios and Leverage ratio    
CET1 ratio 13.50% 13.50%
Tier 1 capital ratio 15.00% 15.10%
Total capital ratio 16.90% 16.80%
Leverage ratio 4.30% 4.40%
Leverage ratio exposure $ 2,608,763 $ 2,491,090
TLAC available and ratios    
TLAC available $ 235,104 $ 230,385
TLAC ratio 31.40% 31.50%
TLAC leverage ratio 9.00% 9.20%