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Note 8 - Earnings Per Share
6 Months Ended
Jun. 30, 2022
Notes to Financial Statements  
Earnings Per Share [Text Block]

8. Earnings Per Share

 

The following table provides a reconciliation between basic and diluted earnings per share:

 

  

Three Months Ended

  

Six Months Ended

 
  

June 30,

  

June 30,

 

Millions

 

2022

  

2021

  

2022

  

2021

 

Net income

 $1,835  $1,798  $3,465  $3,139 

Weighted-average number of shares outstanding:

                

Basic

  625.6   658.5   628.9   663.1 

Dilutive effect of stock options

  0.6   0.8   0.7   0.8 

Dilutive effect of retention shares and units

  0.6   0.8   0.6   0.8 

Diluted

  626.8   660.1   630.2   664.7 

Earnings per share – basic

 $2.93  $2.73  $5.51  $4.73 

Earnings per share – diluted

 $2.93  $2.72  $5.50  $4.72 

Stock options excluded as their inclusion would be anti-dilutive

  0.3   0.4   0.3   0.3