Earnings per Share Attributable to Ameriprise Financial, Inc. Common Shareholders (Details) (USD $) In Millions, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013
Numerator:
Income from continuing operations	$ 516	$ 366
Less: Net income attributable to noncontrolling interests	115	30
Income from continuing operations attributable to Ameriprise Financial	401	336
Loss from discontinued operations, net of tax	(1)	(1)
Net Income (Loss) Attributable to Parent	$ 400	$ 335
Denominator:
Basic: Weighted-average common shares outstanding	195.5	208.4
Effect of potentially dilutive nonqualified stock options and other share-based awards (in shares)	3.6	3.9
Diluted: Weighted-average common shares outstanding	199.1	212.3
Basic:
Income from continuing operations (in dollars per share)	$ 2.05	$ 1.61
Loss from discontinued operations (in dollars per share)
Net income (in dollars per share)	$ 2.05	$ 1.61
Diluted:
Income from continuing operations (in dollars per share)	$ 2.01	$ 1.58
Loss from discontinued operations (in dollars per share)
Net income (in dollars per share)	$ 2.01	$ 1.58
Effect of potentially dilutive nonqualified stock options and other share-based awards (in shares)	1.5	1.6