SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Parent Company Only) - Statement of Cash Flows (Details) - USD ($) $ in Millions		3 Months Ended									12 Months Ended
		Dec. 31, 2023	Sep. 30, 2023	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022		Sep. 30, 2022	Jun. 30, 2022	Mar. 31, 2022	Dec. 31, 2023	Dec. 31, 2022		Dec. 31, 2021
Cash Flows from Operating Activities
Net income		$ 377	$ 872	$ 890	$ 417	$ 649		$ 1,061	$ 614	$ 825	$ 2,556	$ 3,149	[1],[2]	$ 3,417	[1],[2]
Net cash provided by (used in) operating activities											4,685	4,407	[2]	3,325	[2]
Available-for-Sale securities:
Proceeds from sales											734	1,306	[2]	556	[2]
Maturities, sinking fund payments and calls											9,230	7,621	[2]	11,501	[2]
Purchases											(19,694)	(22,034)	[2]	(14,718)	[2]
Purchase of other investments											(116)	(99)	[2]	(97)	[2]
Purchase of land, buildings, equipment and software											(184)	(182)	[2]	(120)	[2]
Other, net											(180)	(31)	[2]	(10)	[2]
Net cash provided by (used in) investing activities											(9,262)	(13,583)	[2]	(4,380)	[2]
Cash Flows from Financing Activities
Dividends paid to shareholders											(550)	(534)	[2]	(511)	[2]
Repurchase of common shares											(2,127)	(1,978)	[2]	(2,030)	[2]
Repayments of long-term debt											(760)	(510)	[2]	(9)	[2]
Exercise of stock options											0	0	[2]	1	[2]
Other, net											1	2	[2]	(14)	[2]
Net cash provided by (used in) financing activities											4,411	8,430	[2]	1,723	[2]
Net increase (decrease) in cash and cash equivalents, including amounts restricted											(135)	(814)	[2]	666	[2]
Cash and cash equivalents, including amounts restricted at beginning of period	[2]				8,755					9,569	8,755	9,569		8,903
Cash and cash equivalents, including amounts restricted at end of period		8,620				8,755	[2]				8,620	8,755	[2]	9,569	[2]
Supplemental Disclosures:
Income taxes paid, net											1,036	500	[2]	986	[2]
Ameriprise Financial, Inc.
Cash Flows from Operating Activities
Net income											2,556	3,149	[3]	3,417	[4]
Equity in earnings of subsidiaries											(3,141)	(3,647)	[3]	(3,907)	[3]
Dividends received from subsidiaries											3,025	2,512	[4]	4,027	[4]
Other operating activities, primarily with subsidiaries											453	226	[4]	343	[4]
Net cash provided by (used in) operating activities											2,893	2,240	[4]	3,880	[4]
Available-for-Sale securities:
Proceeds from sales											4	0	[4]	0	[4]
Maturities, sinking fund payments and calls											43	153	[4]	93	[4]
Purchases											(38)	(124)	[4]	(82)	[4]
Proceeds from sale of other investments											0	7	[4]	1	[4]
Purchase of other investments											(10)	(1)	[4]	(16)	[4]
Proceeds from sale of land, buildings, equipment and software											0	0	[4]	1	[4]
Purchase of land, buildings, equipment and software											(87)	(70)	[4]	(28)	[4]
Contributions to subsidiaries											(324)	(743)	[4]	(1,291)	[4]
Return of capital from subsidiaries											0	207	[4]	39	[4]
Repayment of loans from subsidiaries											1,992	1,960	[4]	2,701	[4]
Issuance of loans to subsidiaries											(2,232)	(1,726)	[4]	(2,937)	[4]
Other, net											2	0	[4]	0	[4]
Net cash provided by (used in) investing activities											(650)	(337)	[4]	(1,519)	[4]
Cash Flows from Financing Activities
Dividends paid to shareholders											(550)	(534)	[4]	(511)	[4]
Repurchase of common shares											(2,127)	(1,978)	[4]	(2,030)	[4]
Issuance of long-term debt, net of issuance costs											1,335	495	[4]	4	[4]
Repayments of long-term debt											(760)	(510)	[4]	(9)	[4]
Borrowings from subsidiaries											1,003	1,210	[4]	244	[4]
Repayments of borrowings from subsidiaries											(951)	(1,034)	[4]	(403)	[4]
Exercise of stock options											0	0	[4]	1	[4]
Other, net											(35)	(18)	[4]	99	[4]
Net cash provided by (used in) financing activities											(2,085)	(2,369)	[4]	(2,605)	[4]
Net increase (decrease) in cash and cash equivalents, including amounts restricted											158	(466)	[4]	(244)	[4]
Cash and cash equivalents, including amounts restricted at beginning of period	[4]				$ 361					$ 827	361	827		1,071
Cash and cash equivalents, including amounts restricted at end of period		$ 519				$ 361	[4]				519	361	[4]	827	[4]
Supplemental Disclosures:
Interest paid on debt											129	98	[4]	95	[4]
Income taxes paid, net											233	91	[4]	173	[4]
Non-cash dividends from subsidiaries											77	0	[4]	0	[4]
Non-cash contributions to subsidiaries											$ 0	$ 0	[4]	$ 52	[4]

[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.

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