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Earnings Per Share
 6 Months Ended
Jun. 30, 2021
Text Block [Abstract]  
Earnings Per Share
27.
EARNINGS PER SHARE
 
    
Six Months Ended June 30
  
    
2020
     
2021
  
    
NT$
     
NT$
  
    
(In Millions)
     
(In Millions)
  
     
Basic EPS
    $ 9.15      $ 10.68  
    
 
 
     
 
 
  
Diluted EPS
    $ 9.15      $ 10.68  
    
 
 
     
 
 
  
EPS is computed as follows:
 
    
Amounts
(Numerator)
NT$
(In Millions)
     
Number of
Shares
(Denominator)
(In Millions)
     
EPS (NT$)
  
Six months ended June 30, 2020
                                                                                                
Basic/Diluted EPS
                           
Net income available to common shareholders of the parent
    $ 237,224.6        25,930.3      $ 9.15  
    
 
 
     
 
 
     
 
 
  
Six months ended June 30, 2021
                           
Basic/Diluted EPS
                           
Net income available to common shareholders of the parent
    $ 276,980.5        25,930.3      $ 10.68