SCHEDULE I - CONDENSED FINANCIAL INFORMATION OF REGISTRANT (Balance Sheet) (Details 1) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Assets
Land, buildings, equipment and software, net of accumulated depreciation of $952 and $1,168, respectively	$ 602	$ 610
Total assets	165,883	151,828
Liabilities:
Total liabilities	160,016	146,099
Shareholders' Equity:
Common Stock, Value, Issued	3	3
Additional paid-in capital	8,822	8,461
Retained earnings	15,292	14,279
Treasury shares, at cost (205,903,593 and 192,206,467 shares, respectively)	(18,879)	(17,276)
Accumulated other comprehensive income, net of tax, including amounts applicable to equity investment in subsidiaries	629	262
Total Ameriprise Financial, Inc. shareholders' equity	5,867	5,729	$ 5,588	$ 5,995
Total liabilities and equity	165,883	151,828
Ameriprise Financial, Inc:
Assets
Cash and cash equivalents	1,071	730	$ 476	$ 494
Investments	877	1,430
Loans to subsidiaries	247	361
Due from subsidiaries	497	305
Receivables	2	5
Land, buildings, equipment and software, net of accumulated depreciation of $952 and $1,168, respectively	208	207
Investment in subsidiaries	7,153	6,665
Other assets	1,334	1,136
Total assets	11,389	10,839
Liabilities:
Accounts payable and accrued liabilities	936	797
Due to subsidiaries	60	137
Borrowings from subsidiaries	494	401
Long-term debt	2,831	3,097
Other liabilities	1,201	678
Total liabilities	5,522	5,110
Shareholders' Equity:
Common Stock, Value, Issued	3	3
Additional paid-in capital	8,822	8,461
Retained earnings	15,292	14,279
Treasury shares, at cost (205,903,593 and 192,206,467 shares, respectively)	(18,879)	(17,276)
Accumulated other comprehensive income, net of tax, including amounts applicable to equity investment in subsidiaries	629	262
Total Ameriprise Financial, Inc. shareholders' equity	5,867	5,729
Total liabilities and equity	$ 11,389	$ 10,839