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Total Invested Assets and Related Net Investment Income - Hedge Ineffectiveness (Details) - CAD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Fair Value Measurement [Abstract] |  |
Gains (losses) on the hedged items attributable to the hedged risk | $ (2) | $ (6)
Gains (losses) on the hedging derivatives | 3 | 8
Net ineffectiveness on fair value hedges | $ 1 | $ 2

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- Definition The gains (losses) on hedged items in fair value hedges, which are attributable to the hedged risk. [Refer: Fair value hedges [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 24 -Subparagraph a -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_24_a_ii&doctype=Standard&book=b -URIDate 2022-03-24 + Details
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- Definition The gains (losses) on hedging instruments in fair value hedges. [Refer: Fair value hedges [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 24 -Subparagraph a -Clause i -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_24_a_i&doctype=Standard&book=b -URIDate 2022-03-24 + Details
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- Definition Fair Value Measurement [Abstract] + References No definition available. + Details
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- Definition Gains (Losses) On Ineffectiveness Of Fair Value Hedges Recognised In Profit Or Loss + References No definition available. + Details
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