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Commitments and Contingencies - Schedule of Pledged Assets (Detail) - CAD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Debt securities [Member] |  |
Disclosure Of Pledged Assets [line items] |  |
Pledged amount | $ 13,150 | $ 6,429
Debt securities [Member] | Derivatives [Member] |  |
Disclosure Of Pledged Assets [line items] |  |
Pledged amount | 11,944 | 5,525
Debt securities [Member] | Regulatory requirements [Member] |  |
Disclosure Of Pledged Assets [line items] |  |
Pledged amount | 320 | 367
Debt securities [Member] | Repurchase agreements [Member] |  |
Disclosure Of Pledged Assets [line items] |  |
Pledged amount | 886 | 535
Debt securities [Member] | Other [Member] |  |
Disclosure Of Pledged Assets [line items] |  |
Pledged amount |  | 2
Other [Member] |  |
Disclosure Of Pledged Assets [line items] |  |
Pledged amount | 3,215 | 3,467
Other [Member] | Derivatives [Member] |  |
Disclosure Of Pledged Assets [line items] |  |
Pledged amount | 23 | 23
Other [Member] | Secured borrowings [Member] |  |
Disclosure Of Pledged Assets [line items] |  |
Pledged amount | 2,385 | 2,575
Other [Member] | Regulatory requirements [Member] |  |
Disclosure Of Pledged Assets [line items] |  |
Pledged amount | 77 | 78
Other [Member] | Non-registered retirement plans in trust [Member] |  |
Disclosure Of Pledged Assets [line items] |  |
Pledged amount | 326 | 377
Other [Member] | Other [Member] |  |
Disclosure Of Pledged Assets [line items] |  |
Pledged amount | $ 404 | $ 414

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- Definition The amount of financial assets that the entity has pledged as collateral for liabilities or contingent liabilities, including amounts that have been reclassified in accordance with paragraph 3.2.23(a) of IFRS 9. [Refer: Contingent liabilities [member]; Financial assets] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 14 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_14_a&doctype=Standard -URIDate 2022-03-24 + Details
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- Definition Pledged assets. + References No definition available. + Details
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- Details
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