XML 84 R71.htm IDEA: XBRL DOCUMENT v3.19.1
Other Operating Income and Expenses, Net (Tables)
 12 Months Ended
Dec. 31, 2018
Text block [abstract]  
Summary of Other Operating Income and Expenses, Net
     Years Ended December 31  
     2016      2017      2018  
    

NT$

(In Millions)

     

NT$

(In Millions)

     

NT$

(In Millions)

  

Gain (loss) on disposal or retirement of property, plant and equipment, net

    $ 46.5      $ (1,097.9 )     $ (1,005.6 ) 

Impairment loss on property, plant and equipment

      —        —        (423.5 ) 

Others

      (16.7 )       (267.6 )       (672.4 ) 
  

 

 

     

 

 

     

 

 

  
   $ 29.8      $ (1,365.5 )     $ (2,101.5 )