Debt - Balances and Stated Interest Rates (Details) - USD ($) $ in Millions	Sep. 30, 2022	Mar. 22, 2022	Dec. 31, 2021
Debt and stated interest rates
Short-term borrowings	$ 201		$ 200
Ameriprise Financial
Debt and stated interest rates
Finance lease liabilities	33		40
Other	(11)		(8)
Total long-term debt	2,822		2,832
Short-term borrowings	201		200
Total	$ 3,023		$ 3,032
Ameriprise Financial \| Weighted average
Debt and stated interest rates
FHLB advances, Stated interest rate (as a percent)	3.20%		0.30%
Ameriprise Financial \| Senior notes due 2022
Debt and stated interest rates
Long-term debt	$ 0		$ 500
Stated interest rate long-term debt (as a percent)	0.00%	3.00%	3.00%
Ameriprise Financial \| 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%
Ameriprise Financial \| 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%
Ameriprise Financial \| Senior notes due 2025
Debt and stated interest rates
Long-term debt	$ 500		$ 500
Stated interest rate long-term debt (as a percent)	3.00%		3.00%
Ameriprise Financial \| 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%
Ameriprise Financial \| Senior notes due 2032
Debt and stated interest rates
Long-term debt	$ 500		$ 0
Stated interest rate long-term debt (as a percent)	4.50%		0.00%

Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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Amount of short-term and long-term debt and lease obligation.

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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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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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

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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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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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