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SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Parent Company Only) - Notes - Guarantees, Commitments and Contingencies (Details) - Ameriprise Financial, Inc. - Subsidiaries - USD ($) $ in Millions | 12 Months Ended |
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Dec. 31, 2024 | Dec. 31, 2023
Revolving credit lending agreements with subsidiaries |  |
Guarantees, Commitments and Contingencies |  |
Revolving credit agreement lending commitment | $ 363 | $ 363
Loan to subsidiary | 99 | $ 246
Ameriprise Certificate Company Capital Support Agreement |  |
Guarantees, Commitments and Contingencies |  |
Maximum commitment under Capital Support Agreement | 50 |
AFS Financial Industry Regulatory Authority approved subordinated loan agreement |  |
Guarantees, Commitments and Contingencies |  |
Face amount of borrowing arrangement | 200 |
AEIS FINRA approved subordinated loan agreement |  |
Guarantees, Commitments and Contingencies |  |
Loan to subsidiary | $ 60 |
Loan to subsidiary term | 5 years |
Loan to subsidiary, renewal option term | 1 year |

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