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Capital Management - Summary of Regulatory Capital Measure and Risk-Weighted Assets (Detail) - CAD ($)
$ in Millions
Oct. 31, 2025
Oct. 31, 2024
Fixed Rate of Instruments [Abstract]    
CET1 Capital $ 58,286 $ 57,054
Tier 1 Capital 65,890 64,735
Total Capital 75,562 73,911
TLAC 129,957 123,288
Risk-Weighted Assets 437,945 420,838
Leverage Exposures $ 1,521,813 $ 1,484,962
CET1 Ratio 13.30% 13.60%
Tier 1 Capital Ratio 15.00% 15.40%
Total Capital Ratio 17.30% 17.60%
TLAC Ratio 29.70% 29.30%
Leverage Ratio 4.30% 4.40%
TLAC Leverage Ratio 8.50% 8.30%