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

9 Months Ended

Sep. 30, 2017

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 September 30,				Nine Months Ended September 30,
	2017		2016		2017		2016
	(in millions, except per share amounts)
Numerator:
Net income	$	503	$	215	$	1,299	$	914
Denominator:
Basic: Weighted-average common shares outstanding	153.0		164.0		155.2		168.3
Effect of potentially dilutive nonqualified stock options and other share-based awards	2.4		1.8		2.4		1.8
Diluted: Weighted-average common shares outstanding	155.4		165.8		157.6		170.1
Earnings per share:
Basic	$	3.29	$	1.31	$	8.37	$	5.43
Diluted	$	3.24	$	1.30	$	8.24	$	5.37