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Earnings Per Share
 12 Months Ended
Dec. 31, 2017
Earnings Per Share [Abstract]  
Earnings Per Share
Earnings Per Share
The components of basic and diluted EPS for common shares for each of the years ended December 31 were as follows:
 
2017
 
2016
 
2015
 
(in millions, except per share data)
Numerator
 
 
 
 
 
Net income
$
3,915

 
$
4,059

 
$
3,808

Denominator
 
 
 
 
 
Basic weighted-average shares outstanding
1,067

 
1,098

 
1,134

Dilutive stock options and stock units
5

 
3

 
3

Diluted weighted-average shares outstanding 1
1,072

 
1,101

 
1,137

Earnings per Share
 
 
 
 
 
Basic
$
3.67

 
$
3.70

 
$
3.36

Diluted
$
3.65

 
$
3.69

 
$
3.35


Note: Table may not sum due to rounding.
1 For the years presented, the calculation of diluted EPS excluded a minimal amount of anti-dilutive share-based payment awards.