v3.26.1
Results by Business Segment - Detailed Report of Segments (Detail) - CAD ($)
$ in Millions
 3 Months Ended 9 Months Ended
Jul. 31, 2026
Jul. 31, 2025
Jul. 31, 2026
Jul. 31, 2025
Oct. 31, 2025
Disclosure of operating segments [line items]          
Net interest income $ 8,744 $ 8,351 $ 25,835 $ 24,355  
Non-interest income 9,794 8,634 28,116 25,041  
Total revenue 18,538 16,985 53,951 49,396  
Provision for credit losses 1,000 881 3,002 3,355  
Non-interest expense 9,789 9,232 28,689 27,218  
Income before income taxes 7,749 6,872 22,260 18,823  
Income taxes (recoveries) 1,725 1,458 4,942 3,888  
Net income 6,024 5,414 17,318 14,935  
Non-interest expense includes:          
Depreciation and amortization 734 754 2,161 2,290  
Total assets 2,498,817   2,498,817   $ 2,325,006
Total liabilities 2,353,723   2,353,723   2,185,855
Operating segments [member] | Personal Banking [Member]          
Disclosure of operating segments [line items]          
Net interest income 3,870 3,698 11,416 10,722  
Non-interest income 1,415 1,362 4,156 3,954  
Total revenue 5,285 5,060 15,572 14,676  
Provision for credit losses 520 444 1,543 1,586  
Non-interest expense 2,127 1,958 6,134 5,925  
Income before income taxes 2,638 2,658 7,895 7,165  
Income taxes (recoveries) 715 720 2,140 1,947  
Net income 1,923 1,938 5,755 5,218  
Non-interest expense includes:          
Depreciation and amortization 282 269 824 814  
Total assets 599,293   599,293   574,456
Total liabilities 599,292   599,292   574,462
Operating segments [member] | Commercial Banking [Member]          
Disclosure of operating segments [line items]          
Net interest income 1,926 1,828 5,665 5,358  
Non-interest income 326 324 953 983  
Total revenue 2,252 2,152 6,618 6,341  
Provision for credit losses 233 299 766 1,177  
Non-interest expense 725 697 2,180 2,105  
Income before income taxes 1,294 1,156 3,672 3,059  
Income taxes (recoveries) 358 320 1,019 849  
Net income 936 836 2,653 2,210  
Non-interest expense includes:          
Depreciation and amortization 26 26 78 79  
Total assets 201,415   201,415   196,254
Total liabilities 201,412   201,412   196,252
Operating segments [member] | Wealth Management [member]          
Disclosure of operating segments [line items]          
Net interest income 1,532 1,321 4,415 4,016  
Non-interest income 4,880 4,192 14,035 12,462  
Total revenue 6,412 5,513 18,450 16,478  
Provision for credit losses (22) (43) 51 124  
Non-interest expense 4,557 4,154 13,320 12,456  
Income before income taxes 1,877 1,402 5,079 3,898  
Income taxes (recoveries) 435 306 1,157 893  
Net income 1,442 1,096 3,922 3,005  
Non-interest expense includes:          
Depreciation and amortization 262 303 781 938  
Total assets 206,404   206,404   196,129
Total liabilities 204,638   204,638   194,689
Operating segments [member] | Insurance [member]          
Disclosure of operating segments [line items]          
Non-interest income 328 368 1,011 1,112  
Total revenue 328 368 1,011 1,112  
Non-interest expense 81 74 234 241  
Income before income taxes 247 294 777 871  
Income taxes (recoveries) 50 47 149 141  
Net income 197 247 628 730  
Non-interest expense includes:          
Depreciation and amortization 7 12 28 34  
Total assets 33,923   33,923   32,405
Total liabilities 33,696   33,696   32,234
Operating segments [member] | Capital Markets [member]          
Disclosure of operating segments [line items]          
Net interest income 1,215 1,287 3,748 3,480  
Non-interest income 2,997 2,471 8,425 7,335  
Total revenue 4,212 3,758 12,173 10,815  
Provision for credit losses 269 180 642 468  
Non-interest expense 2,164 2,059 6,380 5,985  
Income before income taxes 1,779 1,519 5,151 4,362  
Income taxes (recoveries) 235 191 645 400  
Net income 1,544 1,328 4,506 3,962  
Non-interest expense includes:          
Depreciation and amortization 157 143 447 424  
Total assets 1,342,719   1,342,719   1,223,853
Total liabilities 1,341,225   1,341,225   1,223,212
Unallocated amounts [member]          
Disclosure of operating segments [line items]          
Net interest income 201 217 591 779  
Non-interest income (152) (83) (464) (805)  
Total revenue 49 134 127 (26)  
Provision for credit losses   1      
Non-interest expense 135 290 441 506  
Income before income taxes (86) (157) (314) (532)  
Income taxes (recoveries) (68) (126) (168) (342)  
Net income (18) (31) (146) (190)  
Non-interest expense includes:          
Depreciation and amortization   $ 1 3 $ 1  
Total assets 115,063   115,063   101,909
Total liabilities $ (26,540)   $ (26,540)   $ (34,994)