Derivatives (Embedded Derivatives) (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022
Embedded Derivative, Fair Value of Embedded Derivative, Net [Abstract]
Total	$ 93	$ 17
Funds withheld on ceded reinsurance | Other liabilities
Embedded Derivative, Fair Value of Embedded Derivative, Net [Abstract]
Total	(70)	(123)
Fixed annuities with equity indexed returns [Member] | Policyholder account balances [Member]
Embedded Derivative, Fair Value of Embedded Derivative, Net [Abstract]
Total	$ 163	$ 140