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Inventories (Tables)
12 Months Ended
Dec. 31, 2018
Text block [abstract]  
Summary of Inventories Net

Inventories as at December 31, 2017 and 2018, are as follows:

 

    December 31, 2017     December 31, 2018  
(In millions of Korean won)   Acquisition
cost
    Valuation
allowance
   

Book

amount

   

Acquisition

cost

   

Valuation

allowance

   

Book

amount

 

Merchandise

  504,321     (58,293   446,028     794,020     (113,581   680,439  

Others

    195,999       —         195,999       394,195       —         394,195  
 

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

Total

  700,320     (58,293   642,027     1,188,215     (113,581   1,074,634