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Segregated Funds - Investments for Account of Segregated Fund Holders (Details) - CAD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items] |  |
Equity securities | $ 7,148 | $ 9,113
Debt securities | 75,902 | 88,727
Cash, cash equivalents and short-term securities | 11,219 | 12,278
Investment properties | 10,102 | 9,109
Other assets | 7,810 | 5,434
Total assets | 330,906 | 345,370
Less: Liabilities arising from investing activities | 301,529 | 317,297
Total investments for account of segregated fund holders | 125,292 | 139,996
Investments for account of segregated fund holders |  |
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items] |  |
Segregated and mutual fund units | 113,070 | 125,944
Equity securities | 8,251 | 9,963
Debt securities | 2,858 | 3,410
Cash, cash equivalents and short-term securities | 805 | 778
Investment properties | 438 | 446
Mortgages | 17 | 19
Other assets | 130 | 141
Total assets | 125,569 | 140,701
Investment for account of segregated fund holders, liabilities arising from investing activities |  |
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items] |  |
Less: Liabilities arising from investing activities | $ 277 | $ 705

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