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Senior Debentures and Innovative Capital Instruments - Innovative Capital Instruments (Details) - Sun Life Capital Trust SLEECS B $ in Millions | 12 Months Ended
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Dec. 31, 2021 CAD ($) shares
Disclosure of detailed information about borrowings [line items] |
Principal amount | $ | $ 200
Annual Yield |
Disclosure of detailed information about borrowings [line items] |
Annual yield | 7.093%
Government of Canada Bond Yield |
Disclosure of detailed information about borrowings [line items] |
Adjustment to interest rate basis | 0.32%
Non-Cumulative Perpetual Preferred Shares |
Disclosure of detailed information about borrowings [line items] |
Borrowings, convertible, number of equity instruments (in shares) | shares | 40

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