Separate Account Assets and Liabilities - Separate Account Assets (Details) - USD ($) $ in Millions	Sep. 30, 2023	Dec. 31, 2022
Variable Annuity and Insurance Guarantees
Separate account assets	$ 72,354	$ 73,962	[1]
Mutual funds
Variable Annuity and Insurance Guarantees
Separate account assets	69,592	70,876
Property/real estate
Variable Annuity and Insurance Guarantees
Separate account assets	1,804	1,876
Equity securities
Variable Annuity and Insurance Guarantees
Separate account assets	518	679
Debt securities
Variable Annuity and Insurance Guarantees
Separate account assets	276	279
Cash and cash equivalents
Variable Annuity and Insurance Guarantees
Separate account assets	120	208
Other
Variable Annuity and Insurance Guarantees
Separate account assets	$ 44	$ 44

[1] Certain prior period amounts have been restated. See Note 3 for more information.