Debt - Balances and Stated Interest Rates (Details) - Ameriprise Financial - USD ($) $ in Millions	Sep. 30, 2021	Dec. 31, 2020
Debt and stated interest rates
Finance lease liabilities	$ 41	$ 44
Other	(10)	(13)
Total long-term debt	2,831	2,831
Short-term borrowings	200	200
Total	$ 3,031	$ 3,031
Weighted Average
Debt and stated interest rates
FHLB advances, Stated interest rate (as a percent)	0.30%	0.40%
Senior notes due 2022
Debt and stated interest rates
Long-term debt	$ 500	$ 500
Stated interest rate long-term debt (as a percent)	3.00%	3.00%
Senior notes due 2023
Debt and stated interest rates
Long-term debt	$ 750	$ 750
Stated interest rate long-term debt (as a percent)	4.00%	4.00%
Senior notes due 2024
Debt and stated interest rates
Long-term debt	$ 550	$ 550
Stated interest rate long-term debt (as a percent)	3.70%	3.70%
Senior Notes 2025
Debt and stated interest rates
Long-term debt	$ 500	$ 500
Stated interest rate long-term debt (as a percent)	3.00%	3.00%
Senior notes due 2026
Debt and stated interest rates
Long-term debt	$ 500	$ 500
Stated interest rate long-term debt (as a percent)	2.90%	2.90%

Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt.

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Amount of unamortized debt discount (premium) and debt issuance costs.

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Represents the aggregate of total long-term debt, including current maturities and short-term debt.

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States the interest rate applicable to Federal Home Loan Bank advances outstanding as of the Balance Sheet date.

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Amount of advance from Federal Home Loan Bank (FHLBank) maturing in next fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Present value of lessee's discounted obligation for lease payments from finance lease.

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Amount of long-term debt and lease obligation, including portion classified as current.

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The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate.

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