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Earnings per Share Attributable to Ameriprise Financial, Inc. Common Shareholders
3 Months Ended
Mar. 31, 2017
Earnings Per Share [Abstract]  
Earnings per share attributable to Ameriprise Financial, Inc. common shareholders [Text Block]
Earnings per Share
The computation of basic and diluted earnings per share is as follows:
 
Three Months Ended March 31,
2017
 
2016
(in millions, except per share amounts)
Numerator:
Net income
$
403

 
$
364

 
Denominator:
Basic: Weighted-average common shares outstanding
157.5

 
172.6

Effect of potentially dilutive nonqualified stock options and other share-based awards
2.6

 
1.8

Diluted: Weighted-average common shares outstanding
160.1

 
174.4

 
Earnings per share:
Basic
$
2.56

 
$
2.11

Diluted
$
2.52

 
$
2.09


The calculation of diluted earnings per share excludes the incremental effect of 2.5 million and 4.9 million options as of March 31, 2017 and 2016, respectively, due to their anti-dilutive effect.