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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, 2021	Dec. 31, 2020
Disclosure of unconsolidated structured entities [Line Items]
Company's investment	$ 4,812	$ 4,644
Company's maximum exposure to loss	4,812	4,644
Leveraged leases [Member]
Disclosure of unconsolidated structured entities [Line Items]
Company's investment	3,457	3,371
Company's maximum exposure to loss	3,457	3,371
Timberland companies [Member]
Disclosure of unconsolidated structured entities [Line Items]
Company's investment	842	776
Company's maximum exposure to loss	842	776
Real estate companies [Member]
Disclosure of unconsolidated structured entities [Line Items]
Company's investment	513	497
Company's maximum exposure to loss	$ 513	$ 497

X

- 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 2021-01-01
-Paragraph 29
-Subparagraph a
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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.

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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

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-Number 12
-IssueDate 2021-01-01
-Paragraph 29
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-URIDate 2021-03-24

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