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Regulatory Requirements - Insurance Company Statutory Financial Information and Securities on Deposit (Details) - Subsidiaries - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
RiverSource Life Insurance Company |  |  |
Regulatory Requirements |  |  |
Statutory net gain from operations | $ 1,331 | $ 1,615 | $ 1,366
Statutory net income | 845 | 1,769 | $ 253
Life insurance subsidiaries |  |  |
Regulatory Requirements |  |  |
Government debt securities on deposit with states as required by law | $ 4 | $ 4 |

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- Definition Carrying amount of cash and investment securities on deposit with state regulatory authorities in connection with capital requirements. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 825 -Name Accounting Standards Codification -Section 50 -Paragraph 1A -Publisher FASB -URI https://asc.fasb.org//1943274/2147479383/944-825-50-1A + Details
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