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Interests in Structured Entities - Schedule Investment and Maximum Exposure to Loss Related to Significant Unconsolidated Structured Entities (Detail) - Unconsolidated structured entities [Member] - Investment SEs [Member] - CAD ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Disclosure of unconsolidated structured entities [Line Items] |  |
Company's investment | $ 4,644 | $ 4,664
Company's maximum exposure to loss | 4,644 | 4,677
Leveraged leases [Member] |  |
Disclosure of unconsolidated structured entities [Line Items] |  |
Company's investment | 3,371 | 3,371
Company's maximum exposure to loss | 3,371 | 3,371
Timberland companies [Member] |  |
Disclosure of unconsolidated structured entities [Line Items] |  |
Company's investment | 776 | 752
Company's maximum exposure to loss | 776 | 765
Real estate companies [Member] |  |
Disclosure of unconsolidated structured entities [Line Items] |  |
Company's investment | 497 | 541
Company's maximum exposure to loss | $ 497 | $ 541

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- Definition The amount of assets recognised in the entity's financial statements relating to its interests in structured entities. [Refer: Assets; 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 a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2020-en-r&anchor=para_29_a&doctype=Standard -URIDate 2020-01-01 + Details
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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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- Details
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- Details
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- Details
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- Details
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- Details
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