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Insurance and Reinsurance Contract Assets and Liabilities - Insurance Revenue By Transition Method (Detail) - CAD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | $ 26,592 | $ 23,972
Asia |  |
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | 5,809 | 5,056
Canada |  |
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | 9,296 | 8,619
U.S. |  |
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | 11,403 | 10,194
Corporate and Other |  |
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | 84 | 103
Contracts under the fair value method |  |
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | 16,912 | 15,892
Contracts under the fair value method | Asia |  |
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | 2,629 | 2,499
Contracts under the fair value method | Canada |  |
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | 3,322 | 3,288
Contracts under the fair value method | U.S. |  |
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | 10,975 | 10,123
Contracts under the fair value method | Corporate and Other |  |
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | (14) | (18)
Contracts under the full retrospective method |  |
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | 692 | 731
Contracts under the full retrospective method | Asia |  |
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | 489 | 531
Contracts under the full retrospective method | Canada |  |
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | 62 | 48
Contracts under the full retrospective method | U.S. |  |
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | 141 | 152
Contracts under the full retrospective method | Corporate and Other |  |
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | 0 | 0
Other contracts |  |
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | 8,988 | 7,349
Other contracts | Asia |  |
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | 2,691 | 2,026
Other contracts | Canada |  |
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | 5,912 | 5,283
Other contracts | U.S. |  |
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | 287 | (81)
Other contracts | Corporate and Other |  |
Disclosure of analysis of insurance revenue [line items] |  |
Insurance revenue | $ 98 | $ 121

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of revenue arising from the groups of insurance contracts issued. Insurance revenue shall depict the provision of services arising from the group of insurance contracts at an amount that reflects the consideration to which the entity expects to be entitled in exchange for those services. [Refer: Insurance contracts issued [member]; Revenue] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 17 -IssueDate 2024-01-01 -Paragraph 80 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2024-en-r&anchor=para_80_a&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 17 -IssueDate 2024-01-01 -Paragraph 106 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=17&code=ifrs-tx-2024-en-r&anchor=para_106&doctype=Standard -URIDate 2024-03-27 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 82 -Subparagraph a -Clause ii -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_82_a_ii&doctype=Standard -URIDate 2024-03-27 + Details
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