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Regulatory Requirements - Fund Transfer Restrictions and General Insurance Company Information (Details) - Subsidiaries - USD ($)
$ in Millions
12 Months Ended
Feb. 17, 2023
Dec. 31, 2022
Dec. 31, 2021
Entities subject to regulatory requirements      
Regulatory Requirements      
Aggregate amount of unrestricted net assets   $ 1,300  
RiverSource Life Insurance Company      
Regulatory Requirements      
Statutory unassigned (deficit)/surplus   $ (679) $ 175
Percentage of previous year-end statutory capital and surplus   10.00%  
Statutory capital and surplus   $ 3,100 $ 3,400
RiverSource Life Insurance Company | Subsequent event      
Regulatory Requirements      
Cash dividend declared $ 200