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Insurance and Reinsurance Contract Assets and Liabilities - Summary of Composition of Underlying Items (Detail) - CAD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Participating [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | $ 101,217 | $ 90,691
Participating [Member] | Debt securities [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | 44,682 | 39,894
Participating [Member] | Public equities [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | 14,442 | 12,119
Participating [Member] | Mortgages [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | 4,449 | 3,813
Participating [Member] | Private placements [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | 6,720 | 5,666
Participating [Member] | Real estate [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | 3,907 | 3,190
Participating [Member] | Other [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | 27,017 | 26,009
Variable annuity [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | 68,749 | 69,033
Variable annuity [Member] | Debt securities [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | 0 | 0
Variable annuity [Member] | Public equities [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | 0 | 0
Variable annuity [Member] | Mortgages [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | 0 | 0
Variable annuity [Member] | Private placements [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | 0 | 0
Variable annuity [Member] | Real estate [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | 0 | 0
Variable annuity [Member] | Other [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | 68,749 | 69,033
Unit linked [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | 15,539 | 13,476
Unit linked [Member] | Debt securities [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | 0 | 0
Unit linked [Member] | Public equities [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | 0 | 0
Unit linked [Member] | Mortgages [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | 0 | 0
Unit linked [Member] | Private placements [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | 0 | 0
Unit linked [Member] | Real estate [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | 0 | 0
Unit linked [Member] | Other [Member] |  |
Disclosure Of Composition Of Underlying Items For Contracts With Direct Participation Features [Line Items] |  |
Underlying assets | $ 15,539 | $ 13,476

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- Definition The fair value of the underlying items for contracts with direct participation features. [Refer: Description of composition of underlying items for contracts with direct participation features] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 17 -IssueDate 2023-01-01 -Paragraph 111 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2023-en-r&anchor=para_111&doctype=Standard -URIDate 2023-03-23 + Details
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