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Financial Instruments - Risk Management - Summary of Subject to Market and Credit Risk With a Reconciliation (Detail) - CAD ($) $ in Millions | Oct. 31, 2025 | Oct. 31, 2024
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Disclosure of detailed information about financial instruments [line items] |  |  |  |  |
Cash and deposits with financial institutions | [1] | $ 65,967 |  | $ 63,860 |
Precious metals |  | 5,156 |  | 2,540 |
Trading assets |  |  |  |  |
Securities |  | 140,844 |  | 119,912 |
Loans | [2],[3] | 8,487 |  | 7,649 |
Other |  | 2,892 |  | 2,166 |
Securities purchased under resale agreements and securities borrowed |  | 203,008 |  | 200,543 |
Derivative financial instruments |  | 46,531 |  | 44,379 |
Investment securities |  | 149,948 |  | 152,832 |
Loans: |  |  |  |  |
Residential mortgages |  | 370,191 |  | 350,941 |
Personal loans |  | 110,567 |  | 106,379 |
Credit cards |  | 18,045 |  | 17,374 |
Business & government |  | 279,705 |  | 292,671 |
Property and equipment | [4] | 4,881 |  | 5,252 |
Investment in associates |  | 6,317 |  | 1,821 |
Goodwill and other intangibles assets |  | 16,169 |  | 16,853 |
Total |  | 1,460,042 |  | 1,412,027 |
Credit risk [member] |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |
Cash and deposits with financial institutions |  | 65,967 |  | 63,860 |
Precious metals |  | 5,156 |  | 2,540 |
Trading assets |  |  |  |  |
Securities |  | 140,844 |  | 119,912 |
Loans |  | 8,487 |  | 7,649 |
Other |  | 2,892 |  | 2,166 |
Securities purchased under resale agreements and securities borrowed |  | 203,008 |  | 200,543 |
Derivative financial instruments |  | 46,531 |  | 44,379 |
Investment securities |  | 149,948 |  | 152,832 |
Loans: |  |  |  |  |
Residential mortgages |  | 370,191 | [5] | 350,941 | [6]
Personal loans |  | 110,567 |  | 106,379 |
Credit cards |  | 18,045 |  | 17,374 |
Business & government |  | 279,705 |  | 292,671 |
Allowances for credit losses | [7] | (7,463) |  | (6,536) |
Customers' liability under acceptances |  | 177 |  | 148 |
Property and equipment |  | 4,881 |  | 5,252 |
Investment in associates |  | 6,317 |  | 1,821 |
Goodwill and other intangibles assets |  | 16,169 |  | 16,853 |
Other (including Deferred tax assets) |  | 38,620 |  | 33,243 |
Total |  | 1,460,042 |  | 1,412,027 |
Credit risk [member] | Credit risk exposure drawn non retail [member] |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |
Cash and deposits with financial institutions |  | 62,171 |  | 60,501 |
Trading assets |  |  |  |  |
Securities |  | 103 |  | 331 |
Loans |  | 1,641 |  | 933 |
Investment securities |  | 146,457 |  | 147,607 |
Loans: |  |  |  |  |
Residential mortgages |  | 58,663 | [5] | 61,467 | [6]
Personal loans |  | 5,940 |  | 711 |
Business & government |  | 239,898 |  | 261,903 |
Allowances for credit losses | [7] | (465) |  | (363) |
Customers' liability under acceptances |  | 177 |  | 149 |
Other (including Deferred tax assets) |  | 6,210 |  | 5,968 |
Total |  | 520,795 |  | 539,207 |
Credit risk [member] | Credit risk exposure drawn retail [member] |  |  |  |  |
Loans: |  |  |  |  |
Residential mortgages |  | 311,413 | [5] | 289,358 | [6]
Personal loans |  | 95,171 |  | 101,821 |
Credit cards |  | 14,585 |  | 13,892 |
Business & government |  | 13,170 |  | 12,904 |
Allowances for credit losses | [7] | (1,234) |  | (1,170) |
Other (including Deferred tax assets) |  | 1,154 |  | 1,220 |
Total |  | 434,259 |  | 418,025 |
Credit risk [member] | Other exposures securitization [member] |  |  |  |  |
Loans: |  |  |  |  |
Personal loans |  | 9,456 |  | 3,847 |
Credit cards |  | 313 |  | 162 |
Business & government |  | 25,846 |  | 17,627 |
Total |  | 35,615 |  | 21,636 |
Credit risk [member] | Other credit risk exposure repo-style transactions [member] |  |  |  |  |
Trading assets |  |  |  |  |
Securities purchased under resale agreements and securities borrowed |  | 203,008 |  | 200,543 |
Loans: |  |  |  |  |
Other (including Deferred tax assets) |  | 436 |  | 343 |
Total |  | 203,444 |  | 200,886 |
Credit risk [member] | Other credit risk exposure over-the-counter derivatives [member] |  |  |  |  |
Trading assets |  |  |  |  |
Derivative financial instruments |  | 46,531 |  | 44,379 |
Loans: |  |  |  |  |
Total |  | 46,531 |  | 44,379 |
Credit risk [member] | Other credit risk exposure equity [member] |  |  |  |  |
Trading assets |  |  |  |  |
Investment securities |  | 2,258 |  | 5,008 |
Loans: |  |  |  |  |
Investment in associates |  | 65 |  | 62 |
Total |  | 2,323 |  | 5,070 |
Credit risk [member] | Other market risk exposures also subject to credit risk [member] |  |  |  |  |
Trading assets |  |  |  |  |
Loans |  | 744 |  | 569 |
Derivative financial instruments |  | 42,120 |  | 39,736 |
Loans: |  |  |  |  |
Total |  | 42,864 |  | 40,305 |
Credit risk [member] | Other exposures [member] |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |
Precious metals |  | 5,156 |  | 2,540 |
Trading assets |  |  |  |  |
Securities |  | 140,741 |  | 119,581 |
Loans |  | 6,846 |  | 6,716 |
Other |  | 2,892 |  | 2,166 |
Loans: |  |  |  |  |
Other (including Deferred tax assets) |  | 403 |  | 448 |
Total |  | 156,038 |  | 131,451 |
Credit risk [member] | Other market risk exposures others [member] |  |  |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |  |  |
Cash and deposits with financial institutions | [8] | 3,796 |  | 3,359 |
Trading assets |  |  |  |  |
Investment securities | [8] | 1,233 |  | 217 |
Loans: |  |  |  |  |
Residential mortgages | [8] | 115 | [5] | 116 | [6]
Credit cards | [8] | 3,147 |  | 3,320 |
Business & government | [8] | 791 |  | 237 |
Allowances for credit losses | [7],[8] | (5,764) |  | (5,003) |
Customers' liability under acceptances | [8] |  |  | (1) |
Property and equipment | [8] | 4,881 |  | 5,252 |
Investment in associates | [8] | 6,252 |  | 1,759 |
Goodwill and other intangibles assets | [8] | 16,169 |  | 16,853 |
Other (including Deferred tax assets) | [8] | 30,417 |  | 25,264 |
Total | [8] | $ 61,037 |  | $ 51,373 |
[1] | Net of allowances of $4 (2024 – $3).
[2] | Geographic segmentation of trading loans is based upon the location of the ultimate risk of the underlying asset.
[3] | Loans are primarily denominated in U.S. dollars.
[4] | Includes $39 (2024 – $36) of investment property.
[5] | Includes $52.8 billion in mortgages guaranteed by Canada Mortgage Housing Corporation and federally backed privately insured mortgages.
[6] | Includes $56.3 billion in mortgages guaranteed by Canada Mortgage Housing Corporation and federally backed privately insured mortgages.
[7] | Amounts for IRB exposures are reported gross of allowances and amounts for standardized exposures are reported net of allowances.
[8] | Includes the Bank’s insurance subsidiaries’ assets and all other assets which are not subject to credit and market risks.

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