Revision of Prior Period Financial Statements (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Revised Consolidated Balance Sheet
Total assets	$ 158,468	$ 175,910
Total liabilities	154,855	169,969
Accumulated other comprehensive income (loss), net of tax	(2,349)	259
Total equity	3,613	5,941	$ 6,131
Total liabilities and equity	158,468	175,910
Revised Consolidated Statements Of Comprehensive Income
Net unrealized gains (losses) on securities	(2,512)	(673)	489
Total other comprehensive income (loss), net of tax	(2,608)	(634)	449
Total comprehensive income (loss)	(49)	2,126	1,983
Revised Consolidated Statements Of Equity
Beginning balance	5,941	6,131	5,911
Other comprehensive income (loss), net of tax	(2,608)	(634)	449
Ending balance	3,613	5,941	6,131
Accumulated Other Comprehensive Income (Loss)
Revised Consolidated Balance Sheet
Total equity	(2,349)	259	893
Revised Consolidated Statements Of Comprehensive Income
Total other comprehensive income (loss), net of tax	(2,608)	(634)	449
Revised Consolidated Statements Of Equity
Beginning balance	259	893	444
Other comprehensive income (loss), net of tax	(2,608)	(634)	449
Ending balance	(2,349)	259	893
Ameriprise Financial
Revised Consolidated Balance Sheet
Other assets	9,341	11,375
Other liabilities	6,305	8,641
As Reported
Revised Consolidated Balance Sheet
Total assets		175,979
Total liabilities		170,294
Accumulated other comprehensive income (loss), net of tax		3
Total equity		5,685	5,867
Total liabilities and equity		175,979
Revised Consolidated Statements Of Comprehensive Income
Net unrealized gains (losses) on securities		(665)	407
Total other comprehensive income (loss), net of tax		(626)	367
Total comprehensive income (loss)		2,134	1,901
Revised Consolidated Statements Of Equity
Beginning balance	5,685	5,867	5,729
Other comprehensive income (loss), net of tax		(626)	367
Ending balance		5,685	5,867
As Reported | Accumulated Other Comprehensive Income (Loss)
Revised Consolidated Balance Sheet
Total equity		3	629
Revised Consolidated Statements Of Comprehensive Income
Total other comprehensive income (loss), net of tax		(626)	367
Revised Consolidated Statements Of Equity
Beginning balance	3	629	262
Other comprehensive income (loss), net of tax		(626)	367
Ending balance		3	629
As Reported | Ameriprise Financial
Revised Consolidated Balance Sheet
Other assets		11,444
Other liabilities		8,966
Impact of Revision
Revised Consolidated Balance Sheet
Total assets		(69)
Total liabilities		(325)
Accumulated other comprehensive income (loss), net of tax		256
Total equity		256	264
Total liabilities and equity		(69)
Revised Consolidated Statements Of Comprehensive Income
Net unrealized gains (losses) on securities		(8)	82
Total other comprehensive income (loss), net of tax		(8)	82
Total comprehensive income (loss)		(8)	82
Revised Consolidated Statements Of Equity
Beginning balance	$ 256	264	182
Other comprehensive income (loss), net of tax		(8)	82
Ending balance		256	$ 264
Impact of Revision | Ameriprise Financial
Revised Consolidated Balance Sheet
Other assets		(69)
Other liabilities		$ (325)