v3.26.1
IFRS 7 Disclosure (Summary of Liquid Assets by Type and Currency) (Details) - CAD ($)
$ in Millions
Apr. 30, 2026
Oct. 31, 2025
Disclosure Of Liquid Assets By Type And Currency [Line Items]    
Bank-owned liquid assets $ 639,364 $ 635,107
Securities received as collateral from securities financing and derivative transactions 409,359 351,895
Total liquid assets 1,048,723 987,002
Encumbered liquid assets 442,283 403,935
Unencumbered liquid assets 606,440 583,067
Canadian Dollars [member]    
Disclosure Of Liquid Assets By Type And Currency [Line Items]    
Bank-owned liquid assets 157,346 155,500
Securities received as collateral from securities financing and derivative transactions 137,063 128,048
Total liquid assets 294,409 283,548
Encumbered liquid assets 141,335 124,734
Unencumbered liquid assets 153,074 158,814
Other than Canadian dollar [Member]    
Disclosure Of Liquid Assets By Type And Currency [Line Items]    
Bank-owned liquid assets 482,018 479,607
Securities received as collateral from securities financing and derivative transactions 272,296 223,847
Total liquid assets 754,314 703,454
Encumbered liquid assets 300,948 279,201
Unencumbered liquid assets 453,366 $ 424,253
Cash and central bank reserves [member] | Canadian Dollars [member]    
Disclosure Of Liquid Assets By Type And Currency [Line Items]    
Bank-owned liquid assets 18,895  
Securities received as collateral from securities financing and derivative transactions 0  
Total liquid assets 18,895  
Encumbered liquid assets 2,051  
Unencumbered liquid assets 16,844  
Cash and central bank reserves [member] | Other than Canadian dollar [Member]    
Disclosure Of Liquid Assets By Type And Currency [Line Items]    
Bank-owned liquid assets 87,832  
Securities received as collateral from securities financing and derivative transactions 0  
Total liquid assets 87,832  
Encumbered liquid assets 0  
Unencumbered liquid assets 87,832  
Obligations of government, federal agencies, public sector entities and multilateral development banks [Member] | Canadian Dollars [member]    
Disclosure Of Liquid Assets By Type And Currency [Line Items]    
Bank-owned liquid assets 111,472  
Securities received as collateral from securities financing and derivative transactions 107,727  
Total liquid assets 219,199  
Encumbered liquid assets 106,362  
Unencumbered liquid assets 112,837  
Obligations of government, federal agencies, public sector entities and multilateral development banks [Member] | Other than Canadian dollar [Member]    
Disclosure Of Liquid Assets By Type And Currency [Line Items]    
Bank-owned liquid assets 217,540  
Securities received as collateral from securities financing and derivative transactions 156,479  
Total liquid assets 374,019  
Encumbered liquid assets 178,673  
Unencumbered liquid assets 195,346  
Equities [member] | Canadian Dollars [member]    
Disclosure Of Liquid Assets By Type And Currency [Line Items]    
Bank-owned liquid assets 19,172  
Securities received as collateral from securities financing and derivative transactions 8,035  
Total liquid assets 27,207  
Encumbered liquid assets 21,076  
Unencumbered liquid assets 6,131  
Equities [member] | Other than Canadian dollar [Member]    
Disclosure Of Liquid Assets By Type And Currency [Line Items]    
Bank-owned liquid assets 67,214  
Securities received as collateral from securities financing and derivative transactions 70,625  
Total liquid assets 137,839  
Encumbered liquid assets 77,536  
Unencumbered liquid assets 60,303  
Other debt securities [member] | Canadian Dollars [member]    
Disclosure Of Liquid Assets By Type And Currency [Line Items]    
Bank-owned liquid assets 7,807  
Securities received as collateral from securities financing and derivative transactions 21,301  
Total liquid assets 29,108  
Encumbered liquid assets 11,846  
Unencumbered liquid assets 17,262  
Other debt securities [member] | Other than Canadian dollar [Member]    
Disclosure Of Liquid Assets By Type And Currency [Line Items]    
Bank-owned liquid assets 82,738  
Securities received as collateral from securities financing and derivative transactions 42,285  
Total liquid assets 125,023  
Encumbered liquid assets 35,873  
Unencumbered liquid assets 89,150  
Other securities [Member] | Canadian Dollars [member]    
Disclosure Of Liquid Assets By Type And Currency [Line Items]    
Bank-owned liquid assets 0  
Securities received as collateral from securities financing and derivative transactions 0  
Total liquid assets 0  
Encumbered liquid assets 0  
Unencumbered liquid assets 0  
Other securities [Member] | Other than Canadian dollar [Member]    
Disclosure Of Liquid Assets By Type And Currency [Line Items]    
Bank-owned liquid assets 26,694  
Securities received as collateral from securities financing and derivative transactions 2,907  
Total liquid assets 29,601  
Encumbered liquid assets 8,866  
Unencumbered liquid assets $ 20,735