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Insurance Contract Liabilities and Investment Contract Liabilities - Total Assets Supporting Total Liabilities And Equity (Details) - CAD ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | $ 205,374 | $ 197,090
Debt securities |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 88,727 | 89,089
Equity securities |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 9,113 | 6,631
Mortgages and loans |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 51,692 | 49,946
Investment properties |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 9,109 | 7,516
Other |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 46,733 | 43,908
Individual participating life |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 52,381 | 49,448
Individual participating life | Debt securities |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 26,715 | 25,574
Individual participating life | Equity securities |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 5,374 | 4,601
Individual participating life | Mortgages and loans |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 9,559 | 8,992
Individual participating life | Investment properties |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 5,932 | 4,950
Individual participating life | Other |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 4,801 | 5,331
Individual non-participating life and health |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 50,472 | 52,813
Individual non-participating life and health | Debt securities |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 23,716 | 24,810
Individual non-participating life and health | Equity securities |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 1,947 | 1,611
Individual non-participating life and health | Mortgages and loans |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 13,885 | 14,208
Individual non-participating life and health | Investment properties |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 2,614 | 2,052
Individual non-participating life and health | Other |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 8,310 | 10,132
Group life and health |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 20,953 | 20,352
Group life and health | Debt securities |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 7,598 | 7,789
Group life and health | Equity securities |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 30 | 61
Group life and health | Mortgages and loans |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 9,556 | 9,354
Group life and health | Investment properties |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 92 | 36
Group life and health | Other |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 3,677 | 3,112
Individual annuities |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 17,696 | 19,430
Individual annuities | Debt securities |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 10,314 | 11,979
Individual annuities | Equity securities |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 40 | 47
Individual annuities | Mortgages and loans |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 6,435 | 6,219
Individual annuities | Investment properties |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 0 | 0
Individual annuities | Other |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 907 | 1,185
Group annuities |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 20,250 | 18,697
Group annuities | Debt securities |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 9,612 | 9,598
Group annuities | Equity securities |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 111 | 48
Group annuities | Mortgages and loans |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 9,198 | 8,142
Group annuities | Investment properties |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 24 | 0
Group annuities | Other |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 1,305 | 909
Equity and other |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 43,622 | 36,350
Equity and other | Debt securities |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 10,772 | 9,339
Equity and other | Equity securities |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 1,611 | 263
Equity and other | Mortgages and loans |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 3,059 | 3,031
Equity and other | Investment properties |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | 447 | 478
Equity and other | Other |  |
Disclosure of types of insurance contracts [line items] |  |
Total general fund assets | $ 27,733 | $ 23,239

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