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Investment Contract Liabilities - Summary of Changes in Investment Contract Liabilities Measured at Amortized Cost (Detail) - CAD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Disclosure of Investment Contract Liabilities [line items]
Beginning balance	$ 3,117
Ending balance	3,248	$ 3,117
Amortized cost, gross of reinsurance ceded [Member]
Disclosure of Investment Contract Liabilities [line items]
Beginning balance	2,315	2,356
Policy deposits	200	92
Interest	67	71
Withdrawals	(236)	(191)
Fees	(1)	(1)
Other		(5)
Impact of changes in foreign exchange rates	107	(7)
Ending balance	$ 2,452	$ 2,315

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- Definition

The amount of liabilities relating to investment contracts that fall within the scope of IAS 39 or IFRS 9.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-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-r&anchor=para_55&doctype=Standard
-URIDate 2022-03-24

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- Definition

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