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Separate Account Assets and Liabilities - Separate Account Assets (Details) - USD ($) $ in Millions	Sep. 30, 2024	Dec. 31, 2023
Variable Annuity and Insurance Guarantees
Separate account assets	$ 81,409	$ 77,457
Mutual funds
Variable Annuity and Insurance Guarantees
Separate account assets	78,631	74,634
Property/real estate
Variable Annuity and Insurance Guarantees
Separate account assets	1,809	1,784
Equity securities
Variable Annuity and Insurance Guarantees
Separate account assets	547	553
Debt securities
Variable Annuity and Insurance Guarantees
Separate account assets	232	285
Cash and cash equivalents
Variable Annuity and Insurance Guarantees
Separate account assets	135	147
Other
Variable Annuity and Insurance Guarantees
Separate account assets	$ 55	$ 54

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