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Reinsurance - Components of Net Realized Capital Gains (Losses) on Funds Withheld Assets (Details) - Talcott Life & Annuity Re $ in Millions	12 Months Ended
	Dec. 31, 2022 USD ($)
Reinsurance
Net realized capital losses	$ (263.1)
Fixed maturities, available-for-sale
Reinsurance
Net realized capital losses	(235.5)
Fixed maturities, trading
Reinsurance
Net realized capital losses	(6.4)
Equity securities
Reinsurance
Net realized capital losses	(2.4)
Mortgage loans
Reinsurance
Net realized capital losses	(24.8)
Derivatives
Reinsurance
Net realized capital losses	2.7
Other
Reinsurance
Net realized capital losses	$ 3.3

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- Definition

Amount of the realized capital gains (losses) on reinsurer's funds held on its behalf by the ceding insurer, including funds held in trust, under reinsurance treaties or contracts with the assuming insurer as security for the payment of the obligations thereunder.

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