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Separate Account Assets and Liabilities - Separate Account Assets (Details) - USD ($) $ in Millions	Sep. 30, 2025	Dec. 31, 2024
Variable Annuity and Insurance Guarantees
Separate account assets	$ 80,679	$ 78,114
Mutual funds
Variable Annuity and Insurance Guarantees
Separate account assets	78,143	75,576
Property/real estate
Variable Annuity and Insurance Guarantees
Separate account assets	1,769	1,682
Equity securities
Variable Annuity and Insurance Guarantees
Separate account assets	458	514
Debt securities
Variable Annuity and Insurance Guarantees
Separate account assets	142	175
Cash and cash equivalents
Variable Annuity and Insurance Guarantees
Separate account assets	115	120
Other
Variable Annuity and Insurance Guarantees
Separate account assets	$ 52	$ 47

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