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Insurance Contract Liabilities and Investment Contract Liabilities - Changes in Insurance Contract Liabilities and Reinsurance Assets (Details) - CAD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Insurance contract liabilities |  |
Insurance contract liabilities, beginning balance | $ 147,811 |
Insurance contract liabilities, change in balances on in-force policies | (15,530) | $ (1,642)
Insurance contract liabilities, balances arising from new policies | 3,473 | 3,948
Insurance contract liabilities, method and assumption changes | 950 | 131
Investment contract liabilities, increase (decrease) in Insurance contract liabilities and Reinsurance assets | (11,107) | 2,437
Insurance contract liabilities, other changes | (2) | 0
Insurance contract liabilities, foreign exchange rate movements | 2,838 | (499)
Insurance contract liabilities, ending balance | 140,418 | 147,811
Reinsurance assets |  |
Reinsurance assets, beginning balance | 3,683 |
Reinsurance assets, change in balances on in-force policies | (137) | (18)
Reinsurance assets, change in balances arising from new policies | 81 | 74
Reinsurance assets, method and assumption changes | 1,007 | (142)
Reinsurance assets, increase (decrease) in Insurance contract liabilities and Reinsurance assets | 951 | (86)
Reinsurance assets, other changes | 0 | (109)
Reinsurance assets, foreign exchange rate movements | 213 | (26)
Reinsurance assets, ending balance | 4,801 | 3,683
Net |  |
Net insurance contract liabilities and reinsurance assets, beginning balance | 144,128 |
Net change in balances on in-force policies | (15,393) | (1,624)
Net balance arising from new policies | 3,392 | 3,874
Net method and assumption change | (57) | 273
Net increase (decrease) in insurance contract liabilities and reinsurance assets | (12,058) | 2,523
Net other | (2) | 109
Net foreign exchange rate movement | 2,625 | (473)
Net insurance contract liabilities and reinsurance assets, ending balance | 135,617 | 144,128
Balances before Other policy liabilities and assets |  |
Insurance contract liabilities |  |
Insurance contract liabilities, beginning balance | 139,671 | 137,733
Insurance contract liabilities, ending balance | 131,400 | 139,671
Reinsurance assets |  |
Reinsurance assets, beginning balance | 2,905 | 3,126
Reinsurance assets, ending balance | 4,069 | 2,905
Net |  |
Net insurance contract liabilities and reinsurance assets, beginning balance | 136,766 | 134,607
Net insurance contract liabilities and reinsurance assets, ending balance | 127,331 | 136,766
Other policy liabilities and assets |  |
Insurance contract liabilities |  |
Insurance contract liabilities, beginning balance | 8,140 |
Insurance contract liabilities, ending balance | 9,018 | 8,140
Reinsurance assets |  |
Reinsurance assets, beginning balance | 778 |
Reinsurance assets, ending balance | 732 | 778
Net |  |
Net insurance contract liabilities and reinsurance assets, beginning balance | 7,362 |
Net insurance contract liabilities and reinsurance assets, ending balance | $ 8,286 | $ 7,362

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- Definition The increase in liabilities under insurance contracts and reinsurance contracts issued, resulting from additions other than through business combinations. [Refer: Liabilities under insurance contracts and reinsurance contracts issued; Business combinations [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2023-01-01 -Name IFRS -Number 4 -IssueDate 2022-03-24 -Paragraph 37 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2022-en-b&anchor=para_37_e&doctype=Standard&book=b -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2023-01-01 -Name IFRS -Number 4 -IssueDate 2022-03-24 -Paragraph IG37 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2022-en-b&anchor=para_IG37_b&doctype=Implementation%20Guidance&book=b -URIDate 2022-03-24 + Details
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- Definition The change in insurance liabilities resulting from the net exchange differences that arise on the translation of the financial statements into a different presentation currency, and on the translation of a foreign operation into the presentation currency. [Refer: Liabilities under insurance contracts and reinsurance contracts issued] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2023-01-01 -Name IFRS -Number 4 -IssueDate 2022-03-24 -Paragraph 37 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2022-en-b&anchor=para_37_e&doctype=Standard&book=b -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2023-01-01 -Name IFRS -Number 4 -IssueDate 2022-03-24 -Paragraph IG37 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2022-en-b&anchor=para_IG37_f&doctype=Implementation%20Guidance&book=b -URIDate 2022-03-24 + Details
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- Definition The increase (decrease) in reinsurance assets resulting from the net exchange differences arising when the financial statements are translated from the functional currency into a different presentation currency, including the translation of a foreign operation into the presentation currency of the reporting entity. [Refer: Reinsurance assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2023-01-01 -Name IFRS -Number 4 -IssueDate 2022-03-24 -Paragraph 37 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2022-en-b&anchor=para_37_e&doctype=Standard&book=b -URIDate 2022-03-24 + Details
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- Definition The increase (decrease) in liabilities under insurance contracts and reinsurance contracts issued resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Liabilities under insurance contracts and reinsurance contracts issued] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2023-01-01 -Name IFRS -Number 4 -IssueDate 2022-03-24 -Paragraph 37 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2022-en-b&anchor=para_37_e&doctype=Standard&book=b -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2023-01-01 -Name IFRS -Number 4 -IssueDate 2022-03-24 -Paragraph IG37 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2022-en-b&anchor=para_IG37&doctype=Implementation%20Guidance&book=b -URIDate 2022-03-24 + Details
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- Definition The increase (decrease) in reinsurance assets resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Reinsurance assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2023-01-01 -Name IFRS -Number 4 -IssueDate 2022-03-24 -Paragraph 37 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2022-en-b&anchor=para_37_e&doctype=Standard&book=b -URIDate 2022-03-24 + Details
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- Definition The amount of liabilities under insurance contracts and reinsurance contracts issued. [Refer: Types of insurance contracts [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2023-01-01 -Name IFRS -Number 4 -IssueDate 2022-03-24 -Paragraph 37 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2022-en-b&anchor=para_37_e&doctype=Standard&book=b -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2023-01-01 -Name IFRS -Number 4 -IssueDate 2022-03-24 -Paragraph 37 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2022-en-b&anchor=para_37_b&doctype=Standard&book=b -URIDate 2022-03-24 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2023-01-01 -Name IFRS -Number 4 -IssueDate 2022-03-24 -Paragraph IG20 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2022-en-b&anchor=para_IG20_a&doctype=Implementation%20Guidance&book=b -URIDate 2022-03-24 Reference 4: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2023-01-01 -Name IFRS -Number 4 -IssueDate 2022-03-24 -Paragraph IG37 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=4&code=ifrs-tx-2022-en-b&anchor=para_IG37_a&doctype=Implementation%20Guidance&book=b -URIDate 2022-03-24 Reference 5: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2023-01-01 -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-b&anchor=para_55&doctype=Standard&book=b -URIDate 2022-03-24 + Details
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