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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, 2023	Dec. 31, 2022
Disclosure of Investment Contract Liabilities [line items]
Beginning balance	$ 10,079
Ending balance	11,816	$ 10,079
Amortized cost, gross of reinsurance ceded [Member]
Disclosure of Investment Contract Liabilities [line items]
Beginning balance	9,281	9,239
Policy deposits	3,365	1,634
Interest	218	150
Withdrawals	(1,629)	(1,882)
Fees	1	0
Impact of changes in foreign exchange rates	(108)	81
Other	(61)	59
Ending balance	$ 11,067	$ 9,281

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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 2023-01-01
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard
-URIDate 2023-03-23

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Disclosure of Investment Contract Liabilities [line items]

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- Definition

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- Definition

Increase decrease in investment contracts liabilities due to impact of changes in foreign exchange rates.

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- Definition

Increase decrease in Investment contracts liabilities due to new policies.

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- Definition

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