XML 136 R120.htm IDEA: XBRL DOCUMENT v3.21.1
Restricted Deposits (Details) - KRW (₩)
₩ in Millions
Dec. 31, 2020
Dec. 31, 2019
Restricted Deposits [Line Items]    
Total Restricted Deposits ₩ 1,295,758 ₩ 1,173,068
Cash and Cash Equivalents    
Restricted Deposits [Line Items]    
Escrow accounts 544 0
Deposits for government project 5,066 9,287
Collateral provided for borrowings 117,747 63,198
Collateral provided for lawsuit 42 3
Deposits for transmission regional support program 5,469 3,002
Total Restricted Deposits 128,868 75,490
Short-term financial instruments    
Restricted Deposits [Line Items]    
Restriction on withdrawal related to 'win-win growth program' for small and medium enterprises 109,000 93,000
Total Restricted Deposits 109,000 93,000
Current financial assets at fair value through profit or loss    
Restricted Deposits [Line Items]    
Decommissioning costs of nuclear power plants 0 0
Total Restricted Deposits 0 0
Non-Current financial assets at fair value through profit or loss    
Restricted Deposits [Line Items]    
Decommissioning costs of nuclear power plants 577,481 541,969
Total Restricted Deposits 577,481 541,969
Long-term financial instruments    
Restricted Deposits [Line Items]    
Escrow accounts 76 74
Collateral provided for borrowings 11,745 11,745
Decommissioning costs of nuclear power plants 258,282 250,464
Guarantee deposits for banking accounts at oversea branches 306 326
Funds for developing small and medium enterprises [1] 210,000 200,000
Total Restricted Deposits ₩ 480,409 ₩ 462,609
[1] Deposits for small and medium enterprise at the Industrial Bank of Korea (IBK) and others for construction of Bitgaram Energy Valley and support for high potential businesses as of December 31, 2019 and 2020.