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Segmented and geographic information - Detailed Report of Segments and Geographic Areas (Detail) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Oct. 31, 2025 | Oct. 31, 2024
Disclosure of operating segments [line items] |  |
Net interest income | $ 15,769 | $ 13,695
Non-interest income | 13,364 | 11,911
Total revenue | 29,133 | 25,606
Provision for credit losses | 2,342 | 2,001
Amortization and impairment | 1,178 | 1,170
Other non-interest expenses | 14,674 | 13,269
Income (loss) before income taxes | 10,939 | 9,166
Income taxes | 2,485 | 2,012
Net income (loss) | 8,454 | 7,154
Non-controlling interests | 25 | 39
Equity shareholders | 8,429 | 7,115
Average assets | 1,104,285 | 1,005,133
Canada [member] |  |
Disclosure of operating segments [line items] |  |
Net interest income | 10,278 | 9,095
Non-interest income | 8,995 | 8,249
Total revenue | 19,273 | 17,344
Provision for credit losses | 1,947 | 1,375
Amortization and impairment | 960 | 956
Other non-interest expenses | 11,130 | 10,108
Income (loss) before income taxes | 5,236 | 4,905
Income taxes | 1,290 | 1,284
Net income (loss) | 3,946 | 3,621
Equity shareholders | 3,946 | 3,621
Average assets | 835,506 | 750,500
United States [member] |  |
Disclosure of operating segments [line items] |  |
Net interest income | 3,080 | 2,569
Non-interest income | 2,852 | 2,265
Total revenue | 5,932 | 4,834
Provision for credit losses | 256 | 623
Amortization and impairment | 140 | 130
Other non-interest expenses | 2,566 | 2,259
Income (loss) before income taxes | 2,970 | 1,822
Income taxes | 754 | 422
Net income (loss) | 2,216 | 1,400
Equity shareholders | 2,216 | 1,400
Average assets | 189,079 | 177,688
Caribbean [member] |  |
Disclosure of operating segments [line items] |  |
Net interest income | 2,246 | 1,865
Non-interest income | 480 | 626
Total revenue | 2,726 | 2,491
Provision for credit losses | 29 | 1
Amortization and impairment | 57 | 64
Other non-interest expenses | 624 | 607
Income (loss) before income taxes | 2,016 | 1,819
Income taxes | 232 | 125
Net income (loss) | 1,784 | 1,694
Non-controlling interests | 25 | 39
Equity shareholders | 1,759 | 1,655
Average assets | 55,069 | 52,862
Other countries [member] |  |
Disclosure of operating segments [line items] |  |
Net interest income | 165 | 166
Non-interest income | 1,037 | 771
Total revenue | 1,202 | 937
Provision for credit losses | 110 | 2
Amortization and impairment | 21 | 20
Other non-interest expenses | 354 | 295
Income (loss) before income taxes | 717 | 620
Income taxes | 209 | 181
Net income (loss) | 508 | 439
Equity shareholders | 508 | 439
Average assets | 24,631 | 24,083
Canadian Personal and Business Banking [member] |  |
Disclosure of operating segments [line items] |  |
Net interest income | 9,629 | 8,592
Non-interest income | 2,402 | 2,350
Total revenue | 12,031 | 10,942
Provision for credit losses | 1,764 | 1,233
Amortization and impairment | 231 | 229
Other non-interest expenses | 5,836 | 5,477
Income (loss) before income taxes | 4,200 | 4,003
Income taxes | 1,093 | 1,098
Net income (loss) | 3,107 | 2,905
Equity shareholders | 3,107 | 2,905
Average assets | 339,909 | 333,793
Canadian Commercial Banking and Wealth Management [member] |  |
Disclosure of operating segments [line items] |  |
Net interest income | 2,960 | 2,232
Non-interest income | 3,942 | 3,786
Total revenue | 6,902 | 6,018
Provision for credit losses | 166 | 123
Amortization and impairment | 2 | 2
Other non-interest expenses | 3,520 | 3,064
Income (loss) before income taxes | 3,214 | 2,829
Income taxes | 873 | 766
Net income (loss) | 2,341 | 2,063
Equity shareholders | 2,341 | 2,063
Average assets | 103,855 | 95,536
U.S. Commercial Banking and Wealth Management [member] |  |
Disclosure of operating segments [line items] |  |
Net interest income | 2,205 | 1,906
Non-interest income | 1,011 | 914
Total revenue | 3,216 | 2,820
Provision for credit losses | 175 | 560
Amortization and impairment | 106 | 98
Other non-interest expenses | 1,755 | 1,620
Income (loss) before income taxes | 1,180 | 542
Income taxes | 222 | 42
Net income (loss) | 958 | 500
Equity shareholders | 958 | 500
Average assets | 64,415 | 60,820
Capital markets [Member] |  |
Disclosure of operating segments [line items] |  |
Net interest income | 501 | 303
Non-interest income | 5,647 | 4,497
Total revenue | 6,148 | 4,800
Provision for credit losses | 208 | 84
Amortization and impairment | 2 | 9
Other non-interest expenses | 2,853 | 2,470
Income (loss) before income taxes | 3,085 | 2,237
Income taxes | 812 | 608
Net income (loss) | 2,273 | 1,629
Equity shareholders | 2,273 | 1,629
Average assets | 378,541 | 315,314
Corporate and Other [member] |  |
Disclosure of operating segments [line items] |  |
Net interest income | 474 | 662
Non-interest income | 362 | 364
Total revenue | 836 | 1,026
Provision for credit losses | 29 | 1
Amortization and impairment | 837 | 832
Other non-interest expenses | 710 | 638
Income (loss) before income taxes | (740) | (445)
Income taxes | (515) | (502)
Net income (loss) | (225) | 57
Non-controlling interests | 25 | 39
Equity shareholders | (250) | 18
Average assets | $ 217,565 | $ 199,670

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