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EARNINGS PER SHARE
 12 Months Ended
Dec. 31, 2021
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): 
202120202019
Numerator:
Net income attributable to common shareowners$12,890 $1,343 $4,440 
Denominator:
Weighted-average shares869 862 859 
Deferred compensation obligations— — — 
Vested portion of restricted shares5 5 5 
Denominator for basic earnings per share874 867 864 
Effect of Dilutive Securities:
Restricted performance units3 4 5 
Stock options1 — — 
Denominator for diluted earnings per share878 871 869 
Basic Earnings Per Share$14.75 $1.55 $5.14 
Diluted Earnings Per Share$14.68 $1.54 $5.11 
Diluted earnings per share for the years ended December 31, 2021, 2020 and 2019 exclude the effect of 0.1, 0.6 and 0.5 million shares, respectively, of common stock that may be issued upon the exercise of employee stock options because such effect would be antidilutive.