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Regulatory Requirements - Registered Investment Company Information (Details) - Subsidiaries - Ameriprise Certificate Company - USD ($) $ in Billions | Dec. 31, 2023 | Dec. 31, 2022
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Investment company information |  |
Required qualified assets under Investment Company Act of 1940 | $ 13.5 | $ 9.3
Actual amount of qualified assets | $ 14.3 | $ 9.9

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