Derivatives (Embedded Derivatives) (Details) - USD ($) $ in Millions	Dec. 31, 2022	Dec. 31, 2021
Embedded Derivative, Fair Value of Embedded Derivative, Net [Abstract]
Total	$ 578	$ 649
Ceded guaranteed minimum benefits | Premiums, reinsurance and other receivables
Embedded Derivative, Fair Value of Embedded Derivative, Net [Abstract]
Embedded derivatives within asset host contracts	29	38
Direct guaranteed minimum benefits | Policyholder account balances [Member]
Embedded Derivative, Fair Value of Embedded Derivative, Net [Abstract]
Total	467	324
Assumed guaranteed minimum benefits | Policyholder account balances [Member]
Embedded Derivative, Fair Value of Embedded Derivative, Net [Abstract]
Total	94	98
Funds withheld on ceded reinsurance | Other liabilities
Embedded Derivative, Fair Value of Embedded Derivative, Net [Abstract]
Total	(123)	57
Fixed annuities with equity indexed returns [Member] | Policyholder account balances [Member]
Embedded Derivative, Fair Value of Embedded Derivative, Net [Abstract]
Total	140	165
Other Embedded Derivatives [Member] | Policyholder account balances [Member]
Embedded Derivative, Fair Value of Embedded Derivative, Net [Abstract]
Total	$ 0	$ 5