Commitments, Guarantees and Contingencies - Legal and Regulatory Proceedings (Details)	Dec. 31, 2022 lawsuit
Fehr et al v Sun Life and Alamwala v Sun Life
Disclosure of contingent liabilities [line items]
Number of class action lawsuits filed	2

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.

No definition available.

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