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Variable Annuity and Insurance Guarantees - Separate Account Balances by Type (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Mutual funds |  |
Variable Annuity and Insurance Guarantees |  |
Separate account balances | $ 62,693 | $ 82,497
Equity |  |
Variable Annuity and Insurance Guarantees |  |
Separate account balances | 36,800 | 49,183
Bond |  |
Variable Annuity and Insurance Guarantees |  |
Separate account balances | 19,946 | 24,998
Other |  |
Variable Annuity and Insurance Guarantees |  |
Separate account balances | $ 5,947 | $ 8,316

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