XML 43 R22.htm IDEA: XBRL DOCUMENT v3.20.4
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): 
202020192018
Numerator:
Net income attributable to common shareowners$1,343 $4,440 $4,791 
Denominator:
Weighted-average shares862 859 860 
Deferred compensation obligations— — 1 
Vested portion of restricted shares5 5 5 
Denominator for basic earnings per share867 864 866 
Effect of Dilutive Securities:
Restricted performance units4 5 4 
Denominator for diluted earnings per share871 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.