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Changes in Accounting Policies (Tables)
 12 Months Ended
Dec. 31, 2019
Text block [abstract]  
Summary of quantitative information about lease liabilities
(In millions of Korean won)
  
2019
 
Operating lease commitments as at December 31, 2018
1
  
￦
675,658 
  
 
 
 
Discounted using the lessee’s incremental borrowing rate of at the date of initial application
   643,375 
Add: finance lease liabilities recognized as at December 31, 2018
   163,858 
  
 
 
 
Lease liability recognized as at January 1, 2019
  
￦
807,233 
  
 
 
 
Of which are:
  
Current lease liabilities
  
￦
336,530 
Non-current
lease liabilities
   470,703 
  
 
 
 
   
￦
807,233
 
  
 
 
 
 1
It excluded short-term leases and leases for which the underlying asset is of low value.