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Changes in Accounting Policies - Key Financial Items Affected (Details) - CAD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Disclosure of voluntary change in accounting policy [line items] |  |
Invested assets | $ 11,215 | $ 8,759
Policy loans | 3,350 | 3,261
Reinsurance contract held assets and Insurance contract assets | 4,801 | 3,683
Other assets | 7,810 | 5,434
Total assets | 330,906 | 345,370
Insurance contract liabilities and Reinsurance contract held liabilities | 140,418 | 147,811
Investment contract liabilities | 3,314 | 3,368
Other liabilities | 22,648 | 17,783
Total liabilities | 301,529 | 317,297
Total equity | 29,377 | 28,073
Total liabilities and equity | 330,906 | 345,370
Shareholders' equity | (27,450) | (26,314)
Equity in participating account | $ 1,837 | 1,700
As at January 1, 2022 |  |
Disclosure of voluntary change in accounting policy [line items] |  |
Invested assets |  | 181,261
Policy loans |  | 3,261
Reinsurance contract held assets and Insurance contract assets |  | 3,683
Other assets |  | 157,165
Total assets |  | 345,370
Insurance contract liabilities and Reinsurance contract held liabilities |  | 147,811
Investment contract liabilities |  | 3,368
Other liabilities |  | 166,118
Total liabilities |  | 317,297
Total equity |  | 28,073
Total liabilities and equity |  | 345,370
IFRS 9 Adjustments | Cumulative Effect, Period of Adoption, Adjustment |  |
Disclosure of voluntary change in accounting policy [line items] |  |
Invested assets |  | 4,007
Policy loans |  | 0
Reinsurance contract held assets and Insurance contract assets |  | 0
Other assets |  | 0
Total assets |  | 4,007
Insurance contract liabilities and Reinsurance contract held liabilities |  | 0
Investment contract liabilities |  | 0
Other liabilities |  | 0
Total liabilities |  | 0
Total equity |  | 4,007
Total liabilities and equity |  | 4,007
IFRS 17 Adjustments |  |
Disclosure of voluntary change in accounting policy [line items] |  |
Contractual service margin |  | 10,000
IFRS 17 Adjustments | Cumulative Effect, Period of Adoption, Adjustment |  |
Disclosure of voluntary change in accounting policy [line items] |  |
Invested assets |  | 0
Policy loans |  | (3,261)
Reinsurance contract held assets and Insurance contract assets |  | 4,803
Other assets |  | (1,157)
Total assets |  | 385
Insurance contract liabilities and Reinsurance contract held liabilities |  | 5,301
Investment contract liabilities |  | 6,546
Other liabilities |  | (412)
Total liabilities |  | 11,435
Total equity |  | (11,050)
Total liabilities and equity |  | 385
Other | Cumulative Effect, Period of Adoption, Adjustment |  |
Disclosure of voluntary change in accounting policy [line items] |  |
Invested assets |  | 0
Policy loans |  | 0
Reinsurance contract held assets and Insurance contract assets |  | 0
Other assets |  | 1,180
Total assets |  | 1,180
Insurance contract liabilities and Reinsurance contract held liabilities |  | 0
Investment contract liabilities |  | 0
Other liabilities |  | 0
Total liabilities |  | 0
Total equity |  | 1,180
Total liabilities and equity |  | 1,180
As at January 1, 2022 subsequent to transition |  |
Disclosure of voluntary change in accounting policy [line items] |  |
Invested assets |  | 185,268
Policy loans |  | 0
Reinsurance contract held assets and Insurance contract assets |  | 8,486
Other assets |  | 157,188
Total assets |  | 350,942
Insurance contract liabilities and Reinsurance contract held liabilities |  | 153,112
Investment contract liabilities |  | 9,914
Other liabilities |  | 165,706
Total liabilities |  | 328,732
Total equity |  | 22,210
Total liabilities and equity |  | 350,942
Shareholders' equity |  | 4,500
Equity in participating account |  | $ 1,400

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