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Investment Contract Liabilities - Summary of Investment Contract Liabilities Measured at Amortized Cost and Fair Value Associated with Contracts (Parenthetical) (Detail) - CAD ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022 | Jan. 01, 2022
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Disclosure of Investment Contract Liabilities [line items] |  |  |
Investment contract liabilities reinsured | $ 2,831 | $ 2,391 | $ 2,079
Investment contract liabilities | 11,816 | 10,079 | $ 10,064
Carrying amount [member] |  |  |
Disclosure of Investment Contract Liabilities [line items] |  |  |
Investment contract liabilities reinsured | 27 | 38 |
Investment contract liabilities | 11,040 | 9,243 |
Fair value [Member] |  |  |
Disclosure of Investment Contract Liabilities [line items] |  |  |
Investment contract liabilities reinsured | 27 | 38 |
Investment contract liabilities | $ 10,967 | $ 8,996 |

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- Definition The amount of liabilities relating to investment contracts that fall within the scope of IAS 39 or IFRS 9. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition The amount of reinsurance contracts held that are liabilities. [Refer: Liabilities; Reinsurance contracts held [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 17 -IssueDate 2023-01-01 -Paragraph 78 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2023-en-r&anchor=para_78_d&doctype=Standard -URIDate 2023-03-23 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 54 -Subparagraph ma -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_54_ma&doctype=Standard -URIDate 2023-03-23 + Details
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- Definition Disclosure of Investment Contract Liabilities [line items] + References No definition available. + Details
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- Details
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- Details
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