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ACCOUNTING FOR DERIVATIVES - SCHEDULE PRE-TAX GAINS (LOSSES) RECOGNIZED IN NET INCOME FOR DERIVATIVE INSTRUMENTS (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Derivative [Line Items]
Gains on derivatives not designated as hedging instruments	$ 68.9	$ (57.2)	$ 248.2	$ 22.4
Net pre-tax impact	(84.3)	68.6	16.8	60.1
Embedded derivatives
Derivative [Line Items]
Embedded derivatives related to fixed indexed annuities			(25.2)	11.4
Embedded derivatives | Fixed indexed annuities
Derivative [Line Items]
Embedded derivatives related to fixed indexed annuities	153.2	(125.8)	231.4	(37.7)
Net investment income (loss) from policyholder and other special-purpose portfolios | Fixed indexed call options
Derivative [Line Items]
Gains on derivatives not designated as hedging instruments	67.2	(55.0)	246.3	24.9
Net realized gains (losses) | Embedded derivatives | Coinsurance agreements
Derivative [Line Items]
Gains on derivatives not designated as hedging instruments	$ 1.7	$ (2.2)	$ 1.9	$ (2.5)

X

- Definition

Amount of realized and unrealized gain (loss) of derivative instruments not designated or qualifying as hedging instruments.

+ References

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Net Increase or Decrease in the fair value of the embedded derivative or group of embedded derivatives included in earnings in the period.

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