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Restricted Deposits (Tables)

12 Months Ended

Dec. 31, 2018

Restricted Deposits [Abstract]

Restricted Deposits

Restricted deposits as of December 31, 2017 and 2018 are as follows:


								2017				2018
								In millions of won
Cash and cash equivalents		Escrow accounts		￦					53				—
		Deposits for government project							15,365				12,747
		Collateral provided for borrowings							79,569				100,998
		Collateral provided for lawsuit							2				3
		Deposits for transmission regional support program							2,320				4,337
		Decommissioning costs of nuclear power plants							—				604
Short-term financial instruments		Bidding guarantees							119				—
		Restriction on withdrawal related to ‘win-win growth program’ for small and medium enterprises							34,000				34,000
Current financial assets at fair value through profit or loss		Decommissioning costs of nuclear power plants							—				29,451
Non-current financial assets at fair value through profit or loss		Decommissioning costs of nuclear power plants							—				498,555
Financial assets at fair value through profit or loss		Decommissioning costs of nuclear power plants							108,512				—
Non-current available-for-sale financial asset		Decommissioning costs of nuclear power plants							214,156				—
Long-term financial instruments		Escrow accounts							—				69
		Guarantee deposits for checking account							2				—
		Guarantee deposits for banking accounts at oversea branches							302				315
		Decommissioning costs of nuclear power plants							337,234				245,896
		Funds for developing small and medium enterprises(*)							200,000				200,000

				￦					991,634				1,126,975

(*)

Deposits for small and medium enterprise at IBK and others for construction of Bitgaram Energy Valley and support for the high potential businesses as of December 31, 2017 and 2018.