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Adoption of IFRS 17 - Scheduleof Invested Assets Type Measurement Category and Transitional Differences Under IFRS 9 (Detail) - CAD ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2023 | Dec. 31, 2021 | Dec. 31, 2022 | Jan. 01, 2022
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total invested assets (note 4) | $ 417,210 |  | $ 400,142 | $ 428,103
Previously stated [Member] | IAS 39 [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
IAS 39 Total carrying value |  | 22,594 |  |
Previously stated [Member] | Debt securities [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
IAS 39 Total carrying value |  | 224,139 |  |
Previously stated [Member] | Public equities [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
IAS 39 Total carrying value |  | 28,067 |  |
Previously stated [Member] | Mortgages [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
IAS 39 Total carrying value |  | 52,014 |  |
Previously stated [Member] | Private placements [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
IAS 39 Total carrying value |  | 42,842 |  |
Previously stated [Member] | Other invested assets [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement differences |  | 1,934 |  |
Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Private placements [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement differences |  | 4,447 |  |
Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Other invested assets [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement differences |  | $ (14) |  |
Currently stated [Member] | IFRS 9 [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total carrying value |  |  |  | 22,594
Currently stated [Member] | Debt securities [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total carrying value |  |  |  | 224,139
Currently stated [Member] | Public equities [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total carrying value |  |  |  | 28,067
Currently stated [Member] | Mortgages [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total carrying value |  |  |  | 53,948
Currently stated [Member] | Private placements [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total carrying value |  |  |  | 47,289
Currently stated [Member] | Other invested assets [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total carrying value |  |  |  | 22,087
AFS [Member] | Previously stated [Member] | Cash and short-term securities [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement category |  | AFS |  |
IAS 39 Total carrying value |  | $ 14,339 |  |
AFS [Member] | Previously stated [Member] | Debt securities [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement category |  | AFS |  |
IAS 39 Total carrying value |  | $ 33,097 |  |
AFS [Member] | Previously stated [Member] | Public equities [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement category |  | AFS |  |
IAS 39 Total carrying value |  | $ 2,351 |  |
AFS [Member] | Previously stated [Member] | Mortgages [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement category |  | AFS |  |
AFS [Member] | Previously stated [Member] | Private placements [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement category |  | AFS |  |
AFS [Member] | Previously stated [Member] | Other invested assets [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Presentation differences |  | (2,351) |  |
AFS [Member] | Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Mortgages [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement differences |  | (4) |  |
Presentation differences |  | $ 238 |  |
FVOCI [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total invested assets (note 4) | $ 293,555 |  | 280,946 |
FVOCI [Member] | Currently stated [Member] | Cash and short-term securities [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total carrying value |  |  |  | 16,553
IFRS 9 Measurement category | FVOCI |  |  |
FVOCI [Member] | Currently stated [Member] | Debt securities [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total carrying value |  |  |  | 217,462
IFRS 9 Measurement category | FVOCI |  |  |
FVOCI [Member] | Currently stated [Member] | Mortgages [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total carrying value |  |  |  | 31,798
IFRS 9 Measurement category | FVOCI |  |  |
FVOCI [Member] | Currently stated [Member] | Private placements [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total carrying value |  |  |  | 46,582
IFRS 9 Measurement category | FVOCI |  |  |
FVOCI [Member] | Currently stated [Member] | Other invested assets [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total carrying value |  |  |  | 323
IFRS 9 Measurement category | FVOCI |  |  |
FVTPL [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total invested assets (note 4) | $ 62,038 |  | $ 56,996 |
FVTPL [Member] | Previously stated [Member] | Cash and short-term securities [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement category |  | FVTPL |  |
IAS 39 Total carrying value |  | $ 2,214 |  |
FVTPL [Member] | Previously stated [Member] | Debt securities [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement category |  | FVTPL |  |
IAS 39 Total carrying value |  | $ 189,722 |  |
FVTPL [Member] | Previously stated [Member] | Public equities [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement category |  | FVTPL |  |
IAS 39 Total carrying value |  | $ 25,716 |  |
FVTPL [Member] | Previously stated [Member] | Mortgages [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement category |  | FVTPL |  |
FVTPL [Member] | Previously stated [Member] | Private placements [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement category |  | FVTPL |  |
FVTPL [Member] | Previously stated [Member] | Other invested assets [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Presentation differences |  | 2,351 |  |
FVTPL [Member] | Increase (decrease) due to changes in accounting policy required by IFRSs [Member] | Mortgages [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement differences |  | (10) |  |
Presentation differences |  | $ 617 |  |
FVTPL [Member] | Currently stated [Member] | Cash and short-term securities [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
IFRS 9 Measurement category | FVTPL |  |  |
FVTPL [Member] | Currently stated [Member] | Debt securities [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total carrying value |  |  |  | 5,357
IFRS 9 Measurement category | FVTPL |  |  |
FVTPL [Member] | Currently stated [Member] | Public equities [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total carrying value |  |  |  | 28,067
IFRS 9 Measurement category | FVTPL |  |  |
FVTPL [Member] | Currently stated [Member] | Mortgages [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total carrying value |  |  |  | 1,203
IFRS 9 Measurement category | FVTPL |  |  |
FVTPL [Member] | Currently stated [Member] | Private placements [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total carrying value |  |  |  | 707
IFRS 9 Measurement category | FVTPL |  |  |
FVTPL [Member] | Currently stated [Member] | Other invested assets [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement category |  | Amortized cost |  |
IAS 39 Total carrying value |  | $ 6,041 |  |
Amortized cost [Member] | Previously stated [Member] | Debt securities [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement category |  | Amortized cost |  |
IAS 39 Total carrying value |  | $ 1,320 |  |
Amortized cost [Member] | Previously stated [Member] | Mortgages [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement category |  | Amortized cost |  |
IAS 39 Total carrying value |  | $ 52,014 |  |
Amortized cost [Member] | Previously stated [Member] | Private placements [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement category |  | Amortized cost |  |
IAS 39 Total carrying value |  | $ 42,842 |  |
Amortized cost [Member] | Previously stated [Member] | Policy loans [member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement differences |  | 0 |  |
Presentation differences |  | $ (855) |  |
Amortized cost [Member] | Currently stated [Member] | Cash and short-term securities [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total carrying value |  |  |  | 6,041
IFRS 9 Measurement category | Amortized cost |  |  |
Amortized cost [Member] | Currently stated [Member] | Debt securities [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total carrying value |  |  |  | 1,320
IFRS 9 Measurement category | Amortized cost |  |  |
Amortized cost [Member] | Currently stated [Member] | Mortgages [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total carrying value |  |  |  | 20,947
IFRS 9 Measurement category | Amortized cost |  |  |
Amortized cost [Member] | Currently stated [Member] | Private placements [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
IFRS 9 Measurement category | Amortized cost |  |  |
Amortized cost [Member] | Currently stated [Member] | Loans to Bank clients [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
IFRS 9 Measurement category | Amortized cost |  |  |
Other [Member] | Previously stated [Member] | Out-of-scope invested assets [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement category |  | Other |  |
Other [Member] | Previously stated [Member] | Out-of-scope invested assets [Member] | IAS 39 [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [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 Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Measurement differences |  | $ 1,035 |  |
Other [Member] | Currently stated [Member] | Out-of-scope invested assets [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
IFRS 9 Measurement category | Other |  |  |
Other [Member] | Currently stated [Member] | Out-of-scope invested assets [Member] | IFRS 9 [Member] |  |  |  |
Disclosure of Detailed Information About Adoption of IFRS 17 [Line Items] |  |  |  |
Total carrying value |  |  |  | $ 27,473

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