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Adoption of IFRS 17 - Schedule of Invested Assets Type Measurement Category and Transitional Differences Under IFRS 9 (Parenthetical) (Detail) $ in Millions	Jan. 01, 2022 CAD ($)
Disclosure of Detailed Information About Adoption of IFRS 17 [Abstract]
Reclassification of financial assets unrealized gains losses net out of retained earnings to accumulated other comprehensive income	$ 11,868
Reclassification of financial assets unrealized gains losses net out of accumulated other comprehensive income to retained earnings	268
Reclassification of financial assets out of measured at amortised cost into measured at fair value through profit or loss	6,367
Reclassification of financial assets out of measured at amortised cost into measured at fair value through other comprehensive income	5,041
Reclassification of financial asset out of measured at amortized cost into measured at fair value through retained earnings	952
Reclassification of insurance contracts at fair value	1,035
Reclassification of insurance contracts at fair value through retained earning	$ 915

X

- Definition

The amount of financial assets reclassified out of the amortised cost measurement category and into the fair value through profit or loss measurement category. [Refer: At fair value [member]; Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 12B
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_12B_c&doctype=Standard
-URIDate 2023-03-23

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- Definition

The amount of financial assets reclassified out of the amortised cost measurement category and into the fair value through other comprehensive income measurement category. [Refer: Financial assets]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 7
-IssueDate 2023-01-01
-Paragraph 12B
-Subparagraph c
-URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2023-en-r&anchor=para_12B_c&doctype=Standard
-URIDate 2023-03-23

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Reclassification of financial asset out of measured at amortized cost into measured at fair value through retained earnings.

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Reclassification of financial assets unrealized gains losses net out of accumulated other comprehensive income to retained earnings.

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Reclassification of financial assets unrealized gains losses net out of retained earnings to accumulated other comprehensive income.

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