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
	Dec. 31, 2023	Dec. 31, 2022
Revolving credit lending agreements with subsidiaries
Guarantees, Commitments and Contingencies
Revolving credit agreement lending commitment	$ 363	$ 361
Loan to subsidiary	246	$ 0
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