Regulatory Requirements - Registered Investment Company Information (Details) - Subsidiaries - Ameriprise Certificate Company - USD ($) $ in Billions	Dec. 31, 2023	Dec. 31, 2022
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

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details