CONSOLIDATED STATEMENTS OF EQUITY - USD ($) $ in Millions	Total	Total Ameriprise Financial, Inc. Shareholders' Equity [Member]	Common Shares [Member]	Additional Paid-In Capital [Member]	Retained Earnings [Member]	Appropriated Retained Earnings of Consolidated Investment Entities [Member]	Treasury Shares [Member]	Accumulated Other Comprehensive Income [Member]	Noncontrolling Interests [Member]
Balances at Dec. 31, 2014	$ 9,305	$ 8,124	$ 3	$ 7,345	$ 8,469	$ 234	$ (8,589)	$ 662	$ 1,181
Balances (in shares) at Dec. 31, 2014			183,109,509
Comprehensive income (loss) [Abstract]
Net income attributable to Ameriprise Financial	808	808
Net income attributable to noncontrolling interest	(147)								147
Net income	955
Other comprehensive income attributable to Ameriprise Financial, net of tax	(162)	(162)						(162)
Other comprehensive loss attributable to noncontrolling interest, net of tax	10								10
Total other comprehensive income	(152)
Comprehensive income attributable to Ameriprise Financial	646	646
Comprehensive income attributable to noncontrolling interests	(157)								157
Total comprehensive income	803
Net income reclassified to appropriated retained earnings		23				23			(23)
Dividends to shareholders	(234)	(234)			(234)
Noncontrolling interests investments in subsidiaries	135								135
Distributions to noncontrolling interests	(329)								(329)
Repurchase of common shares	(905)	(905)					(905)
Repurchase of common shares (in shares)			(6,975,657)
Share-based compensation plans	221	221		155			66
Share-based compensation plans (in shares)			2,615,760
Balances at Jun. 30, 2015	8,996	7,875	$ 3	7,500	9,043	257	(9,428)	500	1,121
Balances (in shares) at Jun. 30, 2015			178,749,612
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Cumulative effect of change in accounting policies	6
Cumulative effect of change in accounting policies | Adjustments for New Accounting Pronouncement [Member]	(1,318)	(130)			1	(137)		6	(1,188)
Balances (Adjusted for change in accounting policies [Member]) at Dec. 31, 2015	7,087	7,087			9,552			259
Balances at Dec. 31, 2015	8,405	7,217	$ 3	7,611	9,551	$ 137	(10,338)	253	$ 1,188
Balances (in shares) at Dec. 31, 2015			171,033,260
Balances (in shares) (Adjustments for New Accounting Pronouncement [Member]) at Dec. 31, 2015			0
Comprehensive income (loss) [Abstract]
Net income attributable to Ameriprise Financial	699	699
Net income	699
Other comprehensive income attributable to Ameriprise Financial, net of tax	379	379						379
Other comprehensive loss attributable to noncontrolling interest, net of tax	0
Total other comprehensive income	379
Comprehensive income attributable to Ameriprise Financial	1,078	1,078
Comprehensive income attributable to noncontrolling interests	0
Total comprehensive income	1,078
Dividends to shareholders	(244)	(244)			(244)
Repurchase of common shares	(942)	(942)					(942)
Repurchase of common shares (in shares)			(10,301,265)
Share-based compensation plans	110	110		48			62
Share-based compensation plans (in shares)			1,510,227
Balances at Jun. 30, 2016	$ 7,089	$ 7,089	$ 3	$ 7,659	$ 10,007		$ (11,218)	$ 638
Balances (in shares) at Jun. 30, 2016			162,242,222