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Segment Information - Pre-tax income (loss) from exited business (Details) - USD ($) $ in Millions | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Pre-tax income (loss) from exited business: |  |  |  |  |
Change in fair value of funds withheld embedded derivative |  | $ 925.6 | $ 1,237.7 | $ 392.9 | $ 4,305.0
Net realized capital gains (losses) on funds withheld assets | [1] | 1.0 | 8.5 | 119.8 | 697.5
Total pre-tax income (loss) from exited business |  | 879.2 | 1,178.9 | 352.3 | 4,903.4
Reconciling Items |  |  |  |  |
Pre-tax income (loss) from exited business: |  |  |  |  |
Change in fair value of funds withheld embedded derivative |  | 925.6 | 1,237.7 | 392.9 | 4,305.0
Net realized capital gains (losses) on funds withheld assets |  | 1.0 | 8.5 | 119.8 | 697.5
Strategic review costs and impacts on pre-tax income (loss) |  |  | (27.6) |  | 36.4
Amortization of reinsurance gain (loss) |  | (8.1) | (7.7) | (50.5) | (38.2)
Other impacts of reinsured business |  | (39.3) | (32.0) | (109.9) | (97.3)
Total pre-tax income (loss) from exited business |  | $ 879.2 | $ 1,178.9 | $ 352.3 | $ 4,903.4
[1] | Includes realized and unrealized gains (losses). See Note 3, Investments, for further details.

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