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Separate Account Assets and Liabilities - Separate Account Assets (Details) - USD ($) $ in Millions | Sep. 30, 2025 | Dec. 31, 2024
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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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