Reinsurance - Components of Net Investment Income on Funds Withheld Assets (Details) - Talcott Life & Annuity Re - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Reinsurance
Total	$ 1,167.0	$ 869.9
Investment expenses	24.7	20.5
Net investment income	1,142.3	849.4
Fixed maturities, available-for-sale
Reinsurance
Total	906.9	745.9
Fixed maturities, trading
Reinsurance
Total	11.9	2.0
Equity securities
Reinsurance
Total	0.2	0.6
Mortgage loans
Reinsurance
Total	125.2	98.4
Cash and cash equivalents
Reinsurance
Total	58.9	18.2
Other
Reinsurance
Total	$ 64.0	$ 4.8

Income on funds withheld assets passed to coinsurer, derived from investments and on cash and cash equivalents, net of amortization of purchase discounts and premiums related to investments in debt securities. Interest income represents earnings which reflect the time value of money or transactions in which the payments are for the use or forbearance of money. Dividend income represents a distribution of earnings to shareholders by investee companies. The purchase discount or premium is amortized to income or expense, respectively, over the life (holding period) of the securities to arrive at an amount of periodic interest income or expense which results in a constant effective yield on the investments.

No definition available.

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