Quarterly report pursuant to Section 13 or 15(d)

EARNINGS PER SHARE

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EARNINGS PER SHARE
 3 Months Ended
Mar. 31, 2018
Earnings Per Share [Abstract]  
EARNINGS PER SHARE
EARNINGS PER SHARE
The earnings per share amounts are the same for class A and class B common shares as the holders of each class are legally entitled to equal per share distributions whether through dividends or in liquidation.
The following table sets forth the computation of basic and diluted earnings per share for the three months ended March 31, 2018 and 2017 (in millions, except per share amounts):
 
Three Months Ended
March 31,
2018
 
2017
Numerator:
 
 
 
Net income attributable to common shareowners
$
1,345

 
$
1,166

Denominator:
 
 
 
Weighted average shares
861

 
869

Deferred compensation obligations
1

 
1

Vested portion of restricted units
4

 
4

Denominator for basic earnings per share
866

 
874

Effect of dilutive securities:
 
 
 
Restricted units
4

 
4

Stock options
—

 
1

Denominator for diluted earnings per share
870

 
879

Basic earnings per share
$
1.55

 
$
1.33

Diluted earnings per share
$
1.55

 
$
1.33


Diluted earnings per share for the three months ended March 31, 2018 and 2017 excluded the effect of 0.3 million shares of common stock that may be issued upon the exercise of employee stock options because such effect would be antidilutive.