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EARNINGS PER SHARE
 3 Months Ended
Mar. 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 for the three months ended March 31, 2020 and 2019 (in millions, except per share amounts):
 Three Months Ended
March 31,
20202019
Numerator:
Net income attributable to common shareowners$965  $1,111  
Denominator:
Weighted average shares858  860  
Deferred compensation obligations—  1  
Vested portion of restricted units6  5  
Denominator for basic earnings per share864  866  
Effect of dilutive securities:
Restricted units5  3  
Stock options—  —  
Denominator for diluted earnings per share869  869  
Basic earnings per share$1.12  $1.28  
Diluted earnings per share$1.11  $1.28  
Diluted earnings per share for the three months ended March 31, 2020 and 2019 excluded the effect of 1.2 and 0.9 million shares of common stock, respectively, that may be issued upon the exercise of employee stock options because such effect would be antidilutive.