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Interests in Structured Entities - Schedule of Interests and Maximum Exposure to Loss From Significant Unconsolidated Financing Structured Entities (Detail) - Unconsolidated structured entities [Member] - Financing SEs [Member] - CAD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Disclosure of unconsolidated structured entities [Line Items] |  |
Company's interests | $ 931 | $ 853
Manulife Finance (Delaware), L.P.[Member] |  |
Disclosure of unconsolidated structured entities [Line Items] |  |
Company's interests | $ 931 | 852
Manulife Financial Capital Trust II [Member] |  |
Disclosure of unconsolidated structured entities [Line Items] |  |
Company's interests |  | $ 1

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount that best represents the entity's maximum exposure to loss from its interests in structured entities. [Refer: Unconsolidated structured entities [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2020-01-01 -Paragraph 29 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_29_c&doctype=Standard -URIDate 2020-01-01 + Details
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