v3.26.1
Results by Business Segment - Detailed Report of Segments (Detail) - CAD ($)
$ in Millions
 3 Months Ended 6 Months Ended
Apr. 30, 2026
Apr. 30, 2025
Apr. 30, 2026
Apr. 30, 2025
Oct. 31, 2025
Disclosure of operating segments [line items]          
Net interest income $ 8,506 $ 8,056 $ 17,091 $ 16,004  
Non-interest income 8,947 7,616 18,322 16,407  
Total revenue 17,453 15,672 35,413 32,411  
Provision for credit losses 912 1,424 2,002 2,474  
Non-interest expense 9,437 8,730 18,900 17,986  
Income before income taxes 7,104 5,518 14,511 11,951  
Income taxes (recoveries) 1,595 1,128 3,217 2,430  
Net income 5,509 4,390 11,294 9,521  
Non-interest expense includes:          
Depreciation and amortization 719 778 1,427 1,536  
Total assets 2,396,080   2,396,080   $ 2,325,006
Total liabilities 2,255,307   2,255,307   2,185,855
Operating segments [member] | Personal Banking [Member]          
Disclosure of operating segments [line items]          
Net interest income 3,715 3,519 7,546 7,024  
Non-interest income 1,334 1,286 2,741 2,592  
Total revenue 5,049 4,805 10,287 9,616  
Provision for credit losses 492 654 1,023 1,142  
Non-interest expense 1,987 1,952 4,007 3,967  
Income before income taxes 2,570 2,199 5,257 4,507  
Income taxes (recoveries) 700 597 1,425 1,227  
Net income 1,870 1,602 3,832 3,280  
Non-interest expense includes:          
Depreciation and amortization 271 271 542 545  
Total assets 583,830   583,830   574,456
Total liabilities 583,822   583,822   574,462
Operating segments [member] | Commercial Banking [Member]          
Disclosure of operating segments [line items]          
Net interest income 1,844 1,734 3,739 3,530  
Non-interest income 315 328 627 659  
Total revenue 2,159 2,062 4,366 4,189  
Provision for credit losses 247 539 533 878  
Non-interest expense 730 698 1,455 1,408  
Income before income taxes 1,182 825 2,378 1,903  
Income taxes (recoveries) 328 228 661 529  
Net income 854 597 1,717 1,374  
Non-interest expense includes:          
Depreciation and amortization 26 27 52 53  
Total assets 198,930   198,930   196,254
Total liabilities 198,928   198,928   196,252
Operating segments [member] | Wealth Management [member]          
Disclosure of operating segments [line items]          
Net interest income 1,429 1,301 2,883 2,695  
Non-interest income 4,525 4,096 9,155 8,270  
Total revenue 5,954 5,397 12,038 10,965  
Provision for credit losses 55 86 73 167  
Non-interest expense 4,379 4,098 8,763 8,302  
Income before income taxes 1,520 1,213 3,202 2,496  
Income taxes (recoveries) 335 284 722 587  
Net income 1,185 929 2,480 1,909  
Non-interest expense includes:          
Depreciation and amortization 264 318 519 635  
Total assets 195,249   195,249   196,129
Total liabilities 193,699   193,699   194,689
Operating segments [member] | Insurance [member]          
Disclosure of operating segments [line items]          
Non-interest income 345 338 683 744  
Total revenue 345 338 683 744  
Non-interest expense 75 80 153 167  
Income before income taxes 270 258 530 577  
Income taxes (recoveries) 52 47 99 94  
Net income 218 211 431 483  
Non-interest expense includes:          
Depreciation and amortization 9 24 21 22  
Total assets 32,734   32,734   32,405
Total liabilities 32,562   32,562   32,234
Operating segments [member] | Capital Markets [member]          
Disclosure of operating segments [line items]          
Net interest income 1,315 1,275 2,533 2,193  
Non-interest income 2,628 2,026 5,428 4,864  
Total revenue 3,943 3,301 7,961 7,057  
Provision for credit losses 117 146 373 288  
Non-interest expense 2,097 1,885 4,216 3,926  
Income before income taxes 1,729 1,270 3,372 2,843  
Income taxes (recoveries) 245 68 410 209  
Net income 1,484 1,202 2,962 2,634  
Non-interest expense includes:          
Depreciation and amortization 147 137 290 281  
Total assets 1,281,230   1,281,230   1,223,853
Total liabilities 1,280,592   1,280,592   1,223,212
Unallocated amounts [member]          
Disclosure of operating segments [line items]          
Net interest income 203 227 390 562  
Non-interest income (200) (458) (312) (722)  
Total revenue 3 (231) 78 (160)  
Provision for credit losses 1 (1)   (1)  
Non-interest expense 169 17 306 216  
Income before income taxes (167) (247) (228) (375)  
Income taxes (recoveries) (65) (96) (100) (216)  
Net income (102) (151) (128) $ (159)  
Non-interest expense includes:          
Depreciation and amortization 2 $ 1 3    
Total assets 104,107   104,107   101,909
Total liabilities $ (34,296)   $ (34,296)   $ (34,994)