SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Parent Company Only) - Notes - Basis of Presentation (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022		Dec. 31, 2021		Dec. 31, 2020
Condensed Financial Statements, Captions [Line Items]
Total equity	$ 4,729	$ 3,803	[1],[2]	$ 4,837	[1]	$ 6,131
Ameriprise Financial, Inc.
Condensed Financial Statements, Captions [Line Items]
Total equity	4,729	3,803	[3]
Retained Earnings
Condensed Financial Statements, Captions [Line Items]
Total equity	21,905	19,918	[1]	17,322	[1]	15,292
Total AOCI
Condensed Financial Statements, Captions [Line Items]
Total equity	$ (1,766)	(2,546)	[1]	(642)	[1]	893
Adjustment
Condensed Financial Statements, Captions [Line Items]
Total equity		$ 190		$ (1,104)		(1,900)
Adjustment | Ameriprise Financial, Inc.
Condensed Financial Statements, Captions [Line Items]
Total equity						(1,900)
Adjustment | Retained Earnings
Condensed Financial Statements, Captions [Line Items]
Total equity						(900)
Adjustment | Retained Earnings | Ameriprise Financial, Inc.
Condensed Financial Statements, Captions [Line Items]
Total equity						(900)
Adjustment | Total AOCI
Condensed Financial Statements, Captions [Line Items]
Total equity						(1,000)
Adjustment | Total AOCI | Ameriprise Financial, Inc.
Condensed Financial Statements, Captions [Line Items]
Total equity						$ (1,000)

[1] Certain prior period amounts have been restated. See Note 3 for more information.

[2] Certain prior period amounts have been restated. See Note 3 for more information.

[3] Certain prior period amounts have been restated. See Note 1 for more information.