XML 118 R75.htm IDEA: XBRL DOCUMENT v3.25.3
Securities - Summary of Interest Income Calculated Using Effective Interest Method (Detail) - CAD ($)
$ in Millions
 12 Months Ended
Oct. 31, 2025
Oct. 31, 2024
Disclosure Of interest, dividend and fee income [Line Items]    
Total $ 7,279 $ 7,987
FVTPL securities [member]    
Disclosure Of interest, dividend and fee income [Line Items]    
Total 143 161
FVOCI securities [member]    
Disclosure Of interest, dividend and fee income [Line Items]    
Total 4,427 3,874
Amortized cost securities [member]    
Disclosure Of interest, dividend and fee income [Line Items]    
Total $ 2,709 $ 3,952