XML 254 R169.htm IDEA: XBRL DOCUMENT v3.20.1

Finance Lease Liabilities : Lease payments recognized as an expense from a lessee position (Details) ₩ in Millions	12 Months Ended
	Dec. 31, 2018 KRW (₩)
Lease and sublease payments recognised as expense [Abstract]
Minimum lease payment	₩ 111,530
Contingent rent payment	₩ (18,872)

X

- References

No definition available.

+ Details

Name:	kep_ContingentRentsRecognisedAsExpenseClassifiedAsFinanceLease
Namespace Prefix:	kep_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kep_LeaseAndSubleasePaymentsRecognisedAsExpense
Namespace Prefix:	kep_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- References

No definition available.

+ Details

Name:	kep_LeaseAndSubleasePaymentsRecognisedAsExpenseAbstract
Namespace Prefix:	kep_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration