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Interests in Other Entities - Interest in Unconsolidated Structured Entities (Details) - CAD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Joint ventures | Investment funds |  |
Disclosure of unconsolidated structured entities [line items] |  |
Carrying amount | $ 82 | $ 156
Debt securities | Securitization entities - third-party managed |  |
Disclosure of unconsolidated structured entities [line items] |  |
Carrying amount | 9,155 | 9,057
Maximum exposure to loss | 9,155 | 9,057
Cash, cash equivalents and short-term securities | Securitization entities - third-party managed |  |
Disclosure of unconsolidated structured entities [line items] |  |
Carrying amount | 790 | 1,084
Maximum exposure to loss | 790 | 1,084
Equity securities | Investment funds - third-party managed |  |
Disclosure of unconsolidated structured entities [line items] |  |
Carrying amount | 5,766 | 7,411
Maximum exposure to loss | 5,766 | 7,411
Equity securities and Other invested assets | Investment funds – company managed |  |
Disclosure of unconsolidated structured entities [line items] |  |
Carrying amount | 3,365 | 2,978
Maximum exposure to loss | 3,365 | 2,978
Other invested assets | Limited partnerships - third-party managed |  |
Disclosure of unconsolidated structured entities [line items] |  |
Carrying amount | 2,786 | 2,391
Maximum exposure to loss | $ 2,786 | $ 2,391

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