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Inventories (Tables)
12 Months Ended
Dec. 31, 2019
Text block [abstract]  
Summary of Inventories Net
Inventories as at December 31, 2018 and 2019, are as follows:
 
  
December 31, 2018
  
December 31, 2019
 
(In millions of Korean won)
 
Acquisition
cost
  
Valuation
allowance
  
Book
amount
  
Acquisition
cost
  
Valuation
allowance
  
Book
amount
 
Merchandise
 
794,020  
(113,581 
680,439  
805,691  
(144,438 
661,253 
Others
  394,195   —     394,195   130,424   —     130,424 
 
 
 
  
 
 
  
 
 
  
 
 
  
 
 
  
 
 
 
Total
 
1,188,215  
(113,581 
1,074,634  
936,115  
(144,438 
791,677