v3.26.1
Segmented Information (Summary of Results by Business Segment) (Details) - 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 (loss) $ 8,861 $ 8,125 $ 17,650 $ 15,991  
Non-interest income (loss) 6,936 14,812 14,732 20,995  
Total revenue 15,797 22,937 32,382 36,986  
Provision for (recovery of) credit losses 1,001 1,341 2,040 2,553  
Insurance service expenses 1,398 1,417 3,020 2,924  
Non-interest expenses 8,372 8,139 17,125 16,209  
Income (loss) before income taxes and share of net income from investment in Schwab 5,026 12,040 10,197 15,300  
Provision for (recovery of) income taxes 775 985 1,903 1,683  
Share of net income from investment in Schwab 0 74 0 305  
Net income (loss) 4,251 11,129 8,294 13,922  
Assets 2,085,105   2,085,105   $ 2,094,558
Canadian Personal and Commercial Banking [Member]          
Disclosure of operating segments [line items]          
Net interest income (loss) 4,289 4,023 8,683 8,158  
Non-interest income (loss) 967 968 1,994 1,982  
Total revenue 5,256 4,991 10,677 10,140  
Provision for (recovery of) credit losses 498 622 934 1,143  
Insurance service expenses 0 0 0 0  
Non-interest expenses 2,088 2,052 4,235 4,138  
Income (loss) before income taxes and share of net income from investment in Schwab 2,670 2,317 5,508 4,859  
Provision for (recovery of) income taxes 745 649 1,539 1,360  
Share of net income from investment in Schwab 0 0 0 0  
Net income (loss) 1,925 1,668 3,969 3,499  
Assets 626,142   626,142   616,115
U.S. Retail [Member]          
Disclosure of operating segments [line items]          
Net interest income (loss) 3,196 3,038 6,492 6,102  
Non-interest income (loss) 588 (284) 1,377 (402)  
Total revenue 3,784 2,754 7,869 5,700  
Provision for (recovery of) credit losses 342 442 637 893  
Insurance service expenses 0 0 0 0  
Non-interest expenses 2,476 2,338 4,944 4,718  
Income (loss) before income taxes and share of net income from investment in Schwab 966 (26) 2,288 89  
Provision for (recovery of) income taxes 153 (68) 435 (96)  
Share of net income from investment in Schwab 0 78 0 277  
Net income (loss) 813 120 1,853 462  
Assets 508,946   508,946   530,729
Wealth ManagementAnd Insurance [Member]          
Disclosure of operating segments [line items]          
Net interest income (loss) 423 362 829 731  
Non-interest income (loss) 3,355 3,141 6,855 6,370  
Total revenue 3,778 3,503 7,684 7,101  
Provision for (recovery of) credit losses 0 0 0 0  
Insurance service expenses 1,398 1,417 3,020 2,924  
Non-interest expenses 1,249 1,131 2,507 2,304  
Income (loss) before income taxes and share of net income from investment in Schwab 1,131 955 2,157 1,873  
Provision for (recovery of) income taxes 294 248 563 486  
Share of net income from investment in Schwab 0 0 0 0  
Net income (loss) 837 707 1,594 1,387  
Assets 27,370   27,370   25,231
Wholesale Banking [Member]          
Disclosure of operating segments [line items]          
Net interest income (loss) 276 45 201 (62)  
Non-interest income (loss) 2,117 2,084 4,662 4,191  
Total revenue 2,393 2,129 4,863 4,129  
Provision for (recovery of) credit losses 78 123 250 195  
Insurance service expenses 0 0 0 0  
Non-interest expenses 1,509 1,461 3,072 2,996  
Income (loss) before income taxes and share of net income from investment in Schwab 806 545 1,541 938  
Provision for (recovery of) income taxes 194 126 368 220  
Share of net income from investment in Schwab 0 0 0 0  
Net income (loss) 612 419 1,173 718  
Assets 763,319   763,319   754,391
Corporate [Member]          
Disclosure of operating segments [line items]          
Net interest income (loss) 677 657 1,445 1,062  
Non-interest income (loss) (91) 8,903 (156) 8,854  
Total revenue 586 9,560 1,289 9,916  
Provision for (recovery of) credit losses 83 154 219 322  
Insurance service expenses 0 0 0 0  
Non-interest expenses 1,050 1,157 2,367 2,053  
Income (loss) before income taxes and share of net income from investment in Schwab (547) 8,249 (1,297) 7,541  
Provision for (recovery of) income taxes (611) 30 (1,002) (287)  
Share of net income from investment in Schwab 0 (4) 0 28  
Net income (loss) 64 $ 8,215 (295) $ 7,856  
Assets $ 159,328   $ 159,328   $ 168,092