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Segment Information - Pre-tax income (loss) from exited business (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023
Pre-tax income (loss) from exited business: |  |  |  |  |
Change in fair value of funds withheld embedded derivative |  | $ 232.9 | $ 93.9 | $ 429.9 | $ (532.7)
Net realized capital gains (losses) on funds withheld assets | [1] | 19.0 | 37.8 | 66.5 | 118.8
Total pre-tax income (loss) from exited business |  | (3.9) | 81.4 | 193.7 | (526.9)
Reconciling items |  |  |  |  |
Pre-tax income (loss) from exited business: |  |  |  |  |
Change in fair value of funds withheld embedded derivative |  | 232.9 | 93.9 | 429.9 | (532.7)
Net realized capital gains (losses) on funds withheld assets |  | 19.0 | 37.8 | 66.5 | 118.8
Amortization of reinsurance gain (loss) |  | (417.5) | (20.3) | (427.6) | (42.4)
Other impacts of reinsured business |  | 161.7 | (30.0) | 124.9 | (70.6)
Total pre-tax income (loss) from exited business |  | $ (3.9) | $ 81.4 | $ 193.7 | $ (526.9)
[1] | Includes realized and unrealized gains (losses). See Note 3, Investments, for further details.

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