Annual report pursuant to Section 13 and 15(d)

EARNINGS PER SHARE

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EARNINGS PER SHARE
 12 Months Ended
Dec. 31, 2020
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 (in millions, except per share amounts): 
2020 2019 2018
Numerator:
Net income attributable to common shareowners $ 1,343  $ 4,440  $ 4,791 
Denominator:
Weighted-average shares 862  859  860 
Deferred compensation obligations —  —  1 
Vested portion of restricted shares 5  5  5 
Denominator for basic earnings per share 867  864  866 
Effect of Dilutive Securities:
Restricted performance units 4  5  4 
Denominator for diluted earnings per share 871  869  870 
Basic Earnings Per Share $ 1.55  $ 5.14  $ 5.53 
Diluted Earnings Per Share $ 1.54  $ 5.11  $ 5.51 
Diluted earnings per share for the years ended December 31, 2020, 2019 and 2018 exclude the effect of 0.6, 0.5 and 0.2 million shares, respectively, of common stock that may be issued upon the exercise of employee stock options because such effect would be antidilutive.