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Accounting and Reporting Changes - Schedule of Invested Assets Type Measurement Category and Transitional Differences Under IFRS 9 (Detail) - CAD ($) $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Jan. 01, 2022
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total invested assets (note 4) | $ 414,001 | $ 427,098 |
Previously stated [Member] | IAS 39 [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total in-scope invested assets |  | 400,660 |
Total invested assets (note 4) |  | 427,098 |
Previously stated [Member] | Cash and short-term securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
IAS 39 Total carrying value |  | 22,594 |
Previously stated [Member] | Debt securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
IAS 39 Total carrying value |  | 224,139 |
Previously stated [Member] | Public equities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
IAS 39 Total carrying value |  | 28,067 |
Previously stated [Member] | Mortgages [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
IAS 39 Total carrying value |  | 52,014 |
Previously stated [Member] | Private placements [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
IAS 39 Total carrying value |  | 42,842 |
Previously stated [Member] | Other invested assets [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
IAS 39 Total carrying value |  | 22,101 |
Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | IFRS 17 Measurement Differences [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total in-scope invested assets |  | 6,367 |
Total invested assets (note 4) |  | 7,402 |
Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | IFRS 17 Presentation Differences [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total in-scope invested assets |  | (6,397) |
Total invested assets (note 4) |  | (6,397) |
Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Mortgages [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Differences |  | 1,934 |
Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Private placements [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Differences |  | 4,447 |
Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Other invested assets [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Differences |  | (14) |
Currently stated [Member] | IFRS 9 [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total in-scope invested assets |  |  | $ 400,630
Total invested assets (note 4) |  |  | 428,103
Currently stated [Member] | Cash and short-term securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 22,594
Currently stated [Member] | Debt securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 224,139
Currently stated [Member] | Public equities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 28,067
Currently stated [Member] | Mortgages [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 53,948
Currently stated [Member] | Private placements [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 47,289
Currently stated [Member] | Other invested assets [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 22,087
AFS [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total invested assets (note 4) | $ 44,755 | $ 49,876 |
AFS [Member] | Previously stated [Member] | Cash and short-term securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | AFS |
IAS 39 Total carrying value |  | $ 14,339 |
AFS [Member] | Previously stated [Member] | Debt securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | AFS |
IAS 39 Total carrying value |  | $ 33,097 |
AFS [Member] | Previously stated [Member] | Public equities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | AFS |
IAS 39 Total carrying value |  | $ 2,351 |
AFS [Member] | Previously stated [Member] | Mortgages [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | AFS |
AFS [Member] | Previously stated [Member] | Private placements [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | AFS |
AFS [Member] | Previously stated [Member] | Other invested assets [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | AFS |
IAS 39 Total carrying value |  | $ 89 |
AFS [Member] | Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Cash and short-term securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Presentation Differences |  | 2,214 |
AFS [Member] | Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Debt securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Presentation Differences |  | 184,365 |
AFS [Member] | Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Public equities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Presentation Differences |  | (2,351) |
AFS [Member] | Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Mortgages [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Differences |  | 1,897 |
Presentation Differences |  | 29,901 |
AFS [Member] | Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Private placements [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Differences |  | 4,407 |
Presentation Differences |  | 42,175 |
AFS [Member] | Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Other invested assets [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Differences |  | (4) |
Presentation Differences |  | 238 |
FVOCI [Member] | Currently stated [Member] | Cash and short-term securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 16,553
IFRS 9 Measurement Category | FVOCI |  |
FVOCI [Member] | Currently stated [Member] | Debt securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 217,462
IFRS 9 Measurement Category | FVOCI |  |
FVOCI [Member] | Currently stated [Member] | Mortgages [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 31,798
IFRS 9 Measurement Category | FVOCI |  |
FVOCI [Member] | Currently stated [Member] | Private placements [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 46,582
IFRS 9 Measurement Category | FVOCI |  |
FVOCI [Member] | Currently stated [Member] | Other invested assets [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 323
IFRS 9 Measurement Category | FVOCI |  |
FVTPL [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total invested assets (note 4) | $ 220,674 | $ 238,809 |
FVTPL [Member] | Previously stated [Member] | Cash and short-term securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | FVTPL |
IAS 39 Total carrying value |  | $ 2,214 |
FVTPL [Member] | Previously stated [Member] | Debt securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | FVTPL |
IAS 39 Total carrying value |  | $ 189,722 |
FVTPL [Member] | Previously stated [Member] | Public equities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | FVTPL |
IAS 39 Total carrying value |  | $ 25,716 |
FVTPL [Member] | Previously stated [Member] | Mortgages [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | FVTPL |
FVTPL [Member] | Previously stated [Member] | Private placements [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | FVTPL |
FVTPL [Member] | Previously stated [Member] | Other invested assets [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | FVTPL |
IAS 39 Total carrying value |  | $ 21,157 |
FVTPL [Member] | Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Cash and short-term securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Presentation Differences |  | (2,214) |
FVTPL [Member] | Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Debt securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Presentation Differences |  | (184,365) |
FVTPL [Member] | Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Public equities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Presentation Differences |  | 2,351 |
FVTPL [Member] | Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Mortgages [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Differences |  | 37 |
Presentation Differences |  | 1,166 |
FVTPL [Member] | Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Private placements [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Differences |  | 40 |
Presentation Differences |  | 667 |
FVTPL [Member] | Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Other invested assets [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Differences |  | (10) |
Presentation Differences |  | $ 617 |
FVTPL [Member] | Currently stated [Member] | Cash and short-term securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
IFRS 9 Measurement Category | FVTPL |  |
FVTPL [Member] | Currently stated [Member] | Debt securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 5,357
IFRS 9 Measurement Category | FVTPL |  |
FVTPL [Member] | Currently stated [Member] | Public equities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 28,067
IFRS 9 Measurement Category | FVTPL |  |
FVTPL [Member] | Currently stated [Member] | Mortgages [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 1,203
IFRS 9 Measurement Category | FVTPL |  |
FVTPL [Member] | Currently stated [Member] | Private placements [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 707
IFRS 9 Measurement Category | FVTPL |  |
FVTPL [Member] | Currently stated [Member] | Other invested assets [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 21,764
IFRS 9 Measurement Category | FVTPL |  |
Amortized cost [Member] | Previously stated [Member] | Cash and short-term securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | Amortized cost |
IAS 39 Total carrying value |  | $ 6,041 |
Amortized cost [Member] | Previously stated [Member] | Debt securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | Amortized cost |
IAS 39 Total carrying value |  | $ 1,320 |
Amortized cost [Member] | Previously stated [Member] | Mortgages [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | Amortized cost |
IAS 39 Total carrying value |  | $ 52,014 |
Amortized cost [Member] | Previously stated [Member] | Private placements [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | Amortized cost |
IAS 39 Total carrying value |  | $ 42,842 |
Amortized cost [Member] | Previously stated [Member] | Policy loans [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | Amortized cost |
IAS 39 Total carrying value |  | $ 6,397 |
Amortized cost [Member] | Previously stated [Member] | Loans to Bank clients [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | Amortized cost |
IAS 39 Total carrying value |  | $ 2,506 |
Amortized cost [Member] | Previously stated [Member] | Other invested assets [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | Amortized cost |
IAS 39 Total carrying value |  | $ 855 |
Amortized cost [Member] | Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Mortgages [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Presentation Differences |  | (31,067) |
Amortized cost [Member] | Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Private placements [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Presentation Differences |  | (42,842) |
Amortized cost [Member] | Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Policy loans [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Presentation Differences |  | (6,397) |
Amortized cost [Member] | Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Other invested assets [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Differences |  | 0 |
Presentation Differences |  | $ (855) |
Amortized cost [Member] | Currently stated [Member] | Cash and short-term securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 6,041
IFRS 9 Measurement Category | Amortized cost |  |
Amortized cost [Member] | Currently stated [Member] | Debt securities [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 1,320
IFRS 9 Measurement Category | Amortized cost |  |
Amortized cost [Member] | Currently stated [Member] | Mortgages [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 20,947
IFRS 9 Measurement Category | Amortized cost |  |
Amortized cost [Member] | Currently stated [Member] | Private placements [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
IFRS 9 Measurement Category | Amortized cost |  |
Amortized cost [Member] | Currently stated [Member] | Loans to Bank clients [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | 2,506
IFRS 9 Measurement Category | Amortized cost |  |
Amortized cost [Member] | Currently stated [Member] | Other invested assets [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
IFRS 9 Measurement Category | Amortized cost(3) |  |
Other [Member] | Previously stated [Member] | Out-of-scope invested assets [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Category |  | Other |
Other [Member] | Previously stated [Member] | Out-of-scope invested assets [Member] | IAS 39 [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
IAS 39 Total carrying value |  | $ 26,438 |
Other [Member] | Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Out-of-scope invested assets [Member] | IFRS 17 Measurement Differences [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Measurement Differences |  | $ 1,035 |
Other [Member] | Currently stated [Member] | Out-of-scope invested assets [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
IFRS 9 Measurement Category | Other |  |
Other [Member] | Currently stated [Member] | Out-of-scope invested assets [Member] | IFRS 9 [Member] |  |  |
Disclosure of financial assets at date of initial application of IFRS 9 [line items] |  |  |
Total carrying value |  |  | $ 27,473

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