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SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Footnotes) (Details 4) - Ameriprise Financial, Inc: - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Investments [Abstract] |  |
Residual tranche fair value | $ 1,430,000,000 | $ 467,000,000
Debt |  |
Short-term borrowings |  | 150,000,000
Borrowings from Subsidiaries [Abstract] |  |
Current borrowing capacity under the line of credit | 1,300,000,000 | 1,200,000,000
Outstanding amount | 50,000,000 | 0
Guarantees, Commitments and Contingencies |  |
Maximum borrowing capacity under the line of credit | 364,000,000 |
Loans to subsidiaries | 361,000,000 | 372,000,000
Ameriprise Certificate Company [Member] |  |
Guarantees, Commitments and Contingencies |  |
Maximum commitment under Capital Support Agreement | 50,000,000 |
Ameriprise Financial Services, Inc. [Member] |  |
Guarantees, Commitments and Contingencies |  |
Secured demand notes | 200,000,000 |
Ameriprise Enterprise Investment Services Inc. [Member] |  |
Guarantees, Commitments and Contingencies |  |
Loans to subsidiaries | 60,000,000 |
Asset-backed Securities, Securitized Loans and Receivables [Member] |  |
Investments [Abstract] |  |
Residual tranche fair value | 94,000,000 | 90,000,000
Net investment income [Member] |  |
Investments [Abstract] |  |
Related Party Transaction, Amounts of Transaction | 6,000,000 |
Repurchase agreements [Member] |  |
Debt |  |
Repurchase agreements, debt |  | 50,000,000
Federal Home Loan Bank advances [Member] |  |
Debt |  |
Short-term borrowings | $ 200,000,000 | $ 150,000,000

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