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Acquisitions and Other - SLF of Canada UK Limited Disposition (Details) - CAD ($) $ in Millions		3 Months Ended
	Apr. 03, 2023	Jun. 30, 2023
Disclosure of detailed information about business combination [line items]
Gain on disposition	$ 12
Cash consideration	418
Less: Net assets	(359)
Less: Foreign currency translation, transaction costs, and other adjustments	$ (47)
Sun Life UK | Disposal groups classified as held for sale
Disclosure of detailed information about business combination [line items]
Gain on disposition		$ 12

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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 gain (loss) recognised on the measurement to fair value less costs to sell or on the disposal of the assets or disposal group(s) constituting the discontinued operation. [Refer: Discontinued operations [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
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-IssueDate 2024-01-01
-Paragraph 33
-Subparagraph b
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- Definition

The amount of non-current assets or disposal groups classified as held for sale. [Refer: Disposal groups classified as held for sale [member]]

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