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

Line of credit borrowings outstanding under a revolving credit agreement with entity as lender and parent as borrower.

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