Earnings per Share Attributable to Ameriprise Financial, Inc. Common Shareholders (Tables)

3 Months Ended

Mar. 31, 2018

Earnings Per Share [Abstract]

Schedule of earnings per common share [Table Text Block]

The computation of basic and diluted earnings per share is as follows:

	Three Months Ended March 31,
	2018		2017
	(in millions, except per share amounts)
Numerator:
Net income	$	594	$	403
Denominator:
Basic: Weighted-average common shares outstanding	149.5		157.5
Effect of potentially dilutive nonqualified stock options and other share-based awards	2.6		2.6
Diluted: Weighted-average common shares outstanding	152.1		160.1
Earnings per share:
Basic	$	3.97	$	2.56
Diluted	$	3.91	$	2.52