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Structured Entities and Derecognition of Financial Assets - Schedule of Unconsolidated Entity Balance Sheet Amounts and Maximum Exposure to Loss (Detail) - CAD ($) $ in Millions | Oct. 31, 2025 | Oct. 31, 2024 | Oct. 31, 2023
--- | --- | --- | ---
On-balance sheet assets at carrying value |  |  |  |  |
Cash and non-interest-bearing deposits with banks | $ 12,379 | [1] | $ 8,565 | [1] | $ 20,816
Securities | 283,235 |  | 254,345 |  |
Loans | 593,896 |  |  |  |
On-balance sheet liabilities at carrying value |  |  |  |  |
Deposits | 26,723 |  | 20,009 |  |
Derivatives | 41,411 |  | 40,654 |  |
Single-seller and multi seller conduits [member] |  |  |  |  |
On-balance sheet assets at carrying value |  |  |  |  |
Securities | 592 |  |  |  |
Loans | 135 |  |  |  |
Total | 727 |  | 377 |  |
Maximum exposure to loss, net of hedges |  |  |  |  |
Maximum exposure to loss, net of hedges Investments and loans | 727 |  |  |  |
Liquidity, credit facilities and commitments | 22,197 |  |  |  |
Total | 22,924 |  | 17,014 |  |
Third-party structured vehicles [member] |  |  |  |  |
On-balance sheet assets at carrying value |  |  |  |  |
Securities | 6,022 |  |  |  |
Loans | 1,676 |  |  |  |
Investments in equity-accounted associates and joint ventures | 51 |  |  |  |
Total | 7,749 |  | 4,977 |  |
Maximum exposure to loss, net of hedges |  |  |  |  |
Maximum exposure to loss, net of hedges Investments and loans | 7,749 |  |  |  |
Liquidity, credit facilities and commitments | 2,065 |  |  |  |
Total | 9,814 |  | 6,630 |  |
Loan financing [member] |  |  |  |  |
On-balance sheet assets at carrying value |  |  |  |  |
Loans | 19,341 |  |  |  |
Total | 19,341 |  | 10,640 |  |
Maximum exposure to loss, net of hedges |  |  |  |  |
Maximum exposure to loss, net of hedges Investments and loans | 19,341 |  |  |  |
Liquidity, credit facilities and commitments | 10,428 |  |  |  |
Total | 29,769 |  | 19,166 |  |
Other [member] |  |  |  |  |
On-balance sheet assets at carrying value |  |  |  |  |
Cash and non-interest-bearing deposits with banks | 943 |  |  |  |
Securities | 791 |  |  |  |
Loans | 303 |  |  |  |
Investments in equity-accounted associates and joint ventures | 1 |  |  |  |
Total | 2,038 |  | 1,795 |  |
On-balance sheet liabilities at carrying value |  |  |  |  |
Deposits | 948 |  |  |  |
Derivatives | 41 |  |  |  |
Other | 267 |  |  |  |
Total | 1,256 |  | 1,050 |  |
Maximum exposure to loss, net of hedges |  |  |  |  |
Maximum exposure to loss, net of hedges Investments and loans | 1,095 |  |  |  |
Notional of written derivatives, less fair value losses | 18 |  |  |  |
Liquidity, credit facilities and commitments | 201 |  |  |  |
Less: hedges of investments, loans and written derivatives exposure | (18) |  |  |  |
Total | $ 1,296 |  | $ 1,323 |  |
[1] | Includes restricted cash of $579 million (2024: $466 million) and interest-bearing demand deposits with Bank of Canada.

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