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Deposits - Summary of Deposits (Parenthetical) (Detail) - CAD ($) $ in Millions | Oct. 31, 2025 | Oct. 31, 2024
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Disclosure Of Deposits [Line Items] |  |
Non interest bearing deposits | $ 43,766 | $ 44,617
Deposits booked payable on a fixed date | 430,448 |
Unencumbered liquid assets | 393,535 | 396,338
Bank Recapitalization (Bail-In) Regime [member] |  |
Disclosure Of Deposits [Line Items] |  |
Deposits booked payable on a fixed date | 62,843 | 65,986
U.S. dollars [member] |  |
Disclosure Of Deposits [Line Items] |  |
Deposits liabilities | 508,058 | 521,160
Non USD Non CAD [Member] |  |
Disclosure Of Deposits [Line Items] |  |
Deposits liabilities | $ 59,697 | $ 54,397

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- Definition The amount of balances in customers' term deposits held by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_112_c&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of deposit liabilities held by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_55&doctype=Standard -URIDate 2024-03-27 + Details
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- Definition The amount of financial assets held for managing liquidity risk (for example, financial assets that are readily saleable or expected to generate cash inflows to meet cash outflows on financial liabilities). [Refer: Liquidity risk [member]; Financial assets; Financial liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2024-01-01 -Paragraph B11E -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2024-en-r&anchor=para_B11E&doctype=Appendix&subtype=B -URIDate 2024-03-27 + Details
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