| Line |
Label |
Object Class |
Period Type |
Balance |
Report ElementName |
| 1 |
00001000 - Document - Document And Entity Information |
Network |
* |
* |
http://www.kepco.co.kr/role/DocumentAndEntityInformation |
| 2 |
Implied Table |
Table |
* |
* |
implied:Table |
| 3 |
Document and entity information [Abstract] |
Abstract |
|
|
kep:DocumentAndEntityInformationAbstract |
| 4 |
Entity registrant name |
Concept (Text/String) |
For Period |
|
dei:EntityRegistrantName |
| 5 |
Trading Symbol |
Concept (Text/String) |
For Period |
|
dei:TradingSymbol |
| 6 |
Entity central index key |
Concept (CIK Number) |
For Period |
|
dei:EntityCentralIndexKey |
| 7 |
Document type |
Concept (Submission Type) |
For Period |
|
dei:DocumentType |
| 8 |
Document period end date |
Concept (Date) |
For Period |
|
dei:DocumentPeriodEndDate |
| 9 |
Amendment flag |
Concept (Yes/No) |
For Period |
|
dei:AmendmentFlag |
| 10 |
Document fiscal year focus |
Concept (Year) |
For Period |
|
dei:DocumentFiscalYearFocus |
| 11 |
Document fiscal period focus |
Concept (Fiscal Period) |
For Period |
|
dei:DocumentFiscalPeriodFocus |
| 12 |
Current fiscal year end date |
Concept (Month/Day) |
For Period |
|
dei:CurrentFiscalYearEndDate |
| 13 |
Entity well-known seasoned issuer |
Concept (Yes/No) |
For Period |
|
dei:EntityWellKnownSeasonedIssuer |
| 14 |
Entity voluntary filers |
Concept (Yes/No) |
For Period |
|
dei:EntityVoluntaryFilers |
| 15 |
Entity current reporting status |
Concept (Yes/No) |
For Period |
|
dei:EntityCurrentReportingStatus |
| 16 |
Entity filer category |
Concept (Filer Category) |
For Period |
|
dei:EntityFilerCategory |
| 17 |
Entity common stock, shares outstanding |
Concept (Shares) |
As Of |
|
dei:EntityCommonStockSharesOutstanding |
| 18 |
10010000 - Statement - Consolidated Statements Of Financial Position |
Network |
* |
* |
http://www.kepco.co.kr/role/ConsolidatedStatementsOfFinancialPosition |
| 19 |
Implied Table |
Table |
* |
* |
implied:Table |
| 20 |
Statement of financial position [Abstract] |
Abstract |
|
|
ifrs-full:StatementOfFinancialPositionAbstract |
| 21 |
Assets [Abstract] |
Abstract |
|
|
ifrs-full:AssetsAbstract |
| 22 |
Current assets [Abstract] |
Abstract |
|
|
ifrs-full:CurrentAssetsAbstract |
| 23 |
Cash and cash equivalents (Notes 5,6,7 and 45) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 24 |
Current financial assets, net (Notes 5,10,11,12 and 45) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherCurrentFinancialAssets |
| 25 |
Trade and other receivables, net (Notes 5,8,14,20,45,46 and 47) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeAndOtherCurrentReceivables |
| 26 |
Inventories, net (Notes 13) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Inventories |
| 27 |
Income tax refund receivables (Notes 41) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentTaxAssetsCurrent |
| 28 |
Current non-financial assets (Notes 15) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherCurrentNonfinancialAssets |
| 29 |
Assets held for sale (Notes 42) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentAssetsOtherThanAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwners |
| 30 |
Total current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentAssets |
| 31 |
Non-current assets [Abstract] |
Abstract |
|
|
ifrs-full:NoncurrentAssetsAbstract |
| 32 |
Non-current financial assets, net (Notes 5,6,9,10,11,12 and 45) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherNoncurrentFinancialAssets |
| 33 |
Non-current trade and other receivables, net (Notes 5,8,14,45,46 and 47) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentReceivables |
| 34 |
Property, plant and equipment, net (Notes 18,27 and 49) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 35 |
Investment properties, net (Notes 19 and 27) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentProperty |
| 36 |
Goodwill (Notes 16) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Goodwill |
| 37 |
Intangible assets other than goodwill, net (Notes 21,27 and 46) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsOtherThanGoodwill |
| 38 |
Investments in associates (Notes 4 and 17) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentsInAssociates |
| 39 |
Investments in joint ventures (Notes 4 and 17) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentsInJointVentures |
| 40 |
Deferred tax assets (Notes 41) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:DeferredTaxAssets |
| 41 |
Non-current non-financial assets (Notes 15) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherNoncurrentNonfinancialAssets |
| 42 |
Total non-current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAssets |
| 43 |
Total Assets (Notes 4) |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Assets |
| 44 |
Equity and liabilities [Abstract] |
Abstract |
|
|
ifrs-full:EquityAndLiabilitiesAbstract |
| 45 |
Liabilities [Abstract] |
Abstract |
|
|
ifrs-full:LiabilitiesAbstract |
| 46 |
Current liabilities [Abstract] |
Abstract |
|
|
ifrs-full:CurrentLiabilitiesAbstract |
| 47 |
Trade and other payables, net (Note 5,22,24,45 and 47) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherCurrentPayables |
| 48 |
Current financial liabilities, net (Note 5,11,23,45 and 47) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherCurrentFinancialLiabilities |
| 49 |
Income tax payables (Note 41) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentTaxLiabilities |
| 50 |
Current non-financial liabilities (Note 20,28 and 29) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherCurrentNonfinancialLiabilities |
| 51 |
Current provisions (Note 26 and 45) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentProvisions |
| 52 |
Total current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentLiabilities |
| 53 |
Non-current liabilities [Abstract] |
Abstract |
|
|
ifrs-full:NoncurrentLiabilitiesAbstract |
| 54 |
Non-current trade and other payables, net (Note 5,22,24,45 and 47) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentPayables |
| 55 |
Non-current financial liabilities, net (Note 5,11,23,45 and 47) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentFinancialLiabilities |
| 56 |
Non-current non-financial liabilities (Note 28 and 29) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherNoncurrentNonfinancialLiabilities |
| 57 |
Employee benefits liabilities, net (Note 25 and 45) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentProvisionsForEmployeeBenefits |
| 58 |
Deferred tax liabilities (Note 41) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilities |
| 59 |
Non-current provisions (Note 26 and 45) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentProvisions |
| 60 |
Total non-current liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentLiabilities |
| 61 |
Total liabilities (Note 4) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Liabilities |
| 62 |
Equity [Abstract] |
Abstract |
|
|
ifrs-full:EquityAbstract |
| 63 |
Contributed capital (Note 1,30 and 45) |
Concept (Monetary) |
As Of |
Credit |
kep:ContributedCapital |
| 64 |
Share capital |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IssuedCapital |
| 65 |
Share premium |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:SharePremium |
| 66 |
Retained earnings (Note 31) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:RetainedEarnings |
| 67 |
Legal reserves |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:StatutoryReserve |
| 68 |
Voluntary reserves |
Concept (Monetary) |
As Of |
Credit |
kep:VoluntaryReserves |
| 69 |
Unappropriated retained earnings |
Concept (Monetary) |
As Of |
Credit |
us-gaap:RetainedEarningsUnappropriated |
| 70 |
Other components of equity (Note 34) |
Concept (Monetary) |
As Of |
Credit |
kep:OtherComponentsOfEquity |
| 71 |
Other capital surplus |
Concept (Monetary) |
As Of |
Credit |
kep:OtherCapitalSurplus |
| 72 |
Accumulated other comprehensive loss |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AccumulatedOtherComprehensiveIncome |
| 73 |
Other equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherEquityInterest |
| 74 |
Equity attributable to owners of the controlling company |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:EquityAttributableToOwnersOfParent |
| 75 |
Non-controlling interests (Note 16 and 33) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncontrollingInterests |
| 76 |
Total equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 77 |
Total equity and liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:EquityAndLiabilities |
| 78 |
10020000 - Statement - Consolidated Statements Of Comprehensive Income |
Network |
* |
* |
http://www.kepco.co.kr/role/ConsolidatedStatementsOfComprehensiveIncome |
| 79 |
Implied Table |
Table |
* |
* |
implied:Table |
| 80 |
Statement of comprehensive income [Abstract] |
Abstract |
|
|
ifrs-full:StatementOfComprehensiveIncomeAbstract |
| 81 |
Sales (Notes 4,35,45 and 47) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 82 |
Sales of goods |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromSaleOfGoods |
| 83 |
Sales of construction services (Note 20) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromConstructionContracts |
| 84 |
Sales of services |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromRenderingOfServices |
| 85 |
Cost of sales (Notes 13,25,43 and 47) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CostOfSales |
| 86 |
Cost of sales of goods |
Concept (Monetary) |
For Period |
Debit |
us-gaap:CostOfGoodsSold |
| 87 |
Cost of sales of construction services |
Concept (Monetary) |
For Period |
Debit |
us-gaap:ConstructionAndDevelopmentCosts |
| 88 |
Cost of sales of services |
Concept (Monetary) |
For Period |
Debit |
us-gaap:CostOfServices |
| 89 |
Gross profit |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GrossProfit |
| 90 |
Selling and administrative expenses (Note 25,36,43 and 47) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:SellingGeneralAndAdministrativeExpense |
| 91 |
Other income (Note 37) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherIncome |
| 92 |
Other expenses (Note 37) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OtherExpenseByFunction |
| 93 |
Other gains, net (Note 38) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherGainsLosses |
| 94 |
Operating profit (Note 4) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromOperatingActivities |
| 95 |
Finance income (Note 5,11 and 39) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:FinanceIncome |
| 96 |
Finance expenses (Note 5,11 and 40) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:FinanceCosts |
| 97 |
Profit (loss) related to associates, joint ventures and subsidiaries (Note 4 and 17) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod |
| 98 |
Share in profit of associates and joint ventures |
Concept (Monetary) |
For Period |
Credit |
kep:ShareInProfitOfAssociatesAndJointVentures |
| 99 |
Gain on disposal of investments in associates and joint ventures |
Concept (Monetary) |
For Period |
Credit |
kep:GainOnDisposalOfInvestmentsInAssociatesAndJointVentures |
| 100 |
Gain on disposal of investments in subsidiaries (Note 16) |
Concept (Monetary) |
For Period |
Credit |
kep:GainOnDisposalInvestmentsOfSubsidiaries |
| 101 |
Share in loss of associates and joint ventures |
Concept (Monetary) |
For Period |
Debit |
kep:ShareInLossOfAssociatesAndJointVentures |
| 102 |
Loss on disposal of investments in associates and joint ventures |
Concept (Monetary) |
For Period |
Debit |
kep:LossOnDisposalOfInvestmentsInAssociatesAndJointVentures |
| 103 |
Impairment loss on investments in associates and joint ventures (Note 17) |
Concept (Monetary) |
For Period |
Debit |
us-gaap:ImpairmentOfInvestments |
| 104 |
Profit before income tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
| 105 |
Income tax expense (Note 41) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 106 |
Profit for the period |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 107 |
Other comprehensive income (loss) (Note 5,11,25,31 and 34) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncome |
| 108 |
Items that will not be reclassified subsequently to profit or loss: [Abstract] |
Abstract |
|
|
ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract |
| 109 |
Remeasurements of defined benefit liability, net of tax (Note 25 and 31) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans |
| 110 |
Share in other comprehensive loss of associates and joint ventures, net of tax (Note 31) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod |
| 111 |
Items that are or may be reclassified subsequently to profit or loss: [Abstract] |
Abstract |
|
|
ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract |
| 112 |
Net change in the unrealized fair value of available-for-sale financial assets, net of tax (Note 34) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxAvailableforsaleFinancialAssets |
| 113 |
Net change in the unrealized fair value of derivatives using cash flow hedge accounting, net of tax (Note 5,11 and 34) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxCashFlowHedges |
| 114 |
Foreign currency translation of foreign operations, net of tax (Note 34) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslation |
| 115 |
Share in other comprehensive income (loss) of associates and joint ventures, net of tax (Note 34) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTax |
| 116 |
Total comprehensive income for the period |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 117 |
Profit or loss attributable to: [Abstract] |
Abstract |
|
|
ifrs-full:ProfitLossAttributableToAbstract |
| 118 |
Owners of the controlling company (Note 44) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToOwnersOfParent |
| 119 |
Non-controlling interests |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToNoncontrollingInterests |
| 120 |
Profit for the period |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 121 |
Total comprehensive income attributable to: [Abstract] |
Abstract |
|
|
ifrs-full:ComprehensiveIncomeAttributableToAbstract |
| 122 |
Owners of the controlling company |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncomeAttributableToOwnersOfParent |
| 123 |
Non-controlling interests |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncomeAttributableToNoncontrollingInterests |
| 124 |
Other comprehensive income (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ComprehensiveIncome |
| 125 |
Earnings per share (in won) (Note 44) [Abstract] |
Abstract |
|
|
ifrs-full:EarningsPerShareAbstract |
| 126 |
Basic and diluted earnings per share |
Concept (Share) |
For Period |
|
ifrs-full:BasicAndDilutedEarningsLossPerShare |
| 127 |
10030000 - Statement - Consolidated Statements Of Changes In Equity |
Network |
* |
* |
http://www.kepco.co.kr/role/ConsolidatedStatementsOfChangesInEquity |
| 128 |
Statement of changes in equity [Table] |
Table |
* |
* |
ifrs-full:StatementOfChangesInEquityTable |
| 129 |
Components of equity [Axis] |
Axis |
|
|
ifrs-full:ComponentsOfEquityAxis |
| 130 |
Equity [Domain] |
Member |
|
|
ifrs-full:EquityMember |
| 131 |
Equity attributable to owners of parent [Member] |
Member |
|
|
ifrs-full:EquityAttributableToOwnersOfParentMember |
| 132 |
Contributed capital [Member] |
Member |
|
|
ifrs-full:IssuedCapitalMember |
| 133 |
Retained earnings [Member] |
Member |
|
|
ifrs-full:RetainedEarningsMember |
| 134 |
Other Components Of Equity [Member] |
Member |
|
|
kep:OtherComponentsOfEquityAttributableToOwnersOfParentMember |
| 135 |
Non-controlling interests [Member] |
Member |
|
|
ifrs-full:NoncontrollingInterestsMember |
| 136 |
Statement of changes in equity [Line Items] |
LineItems |
|
|
ifrs-full:StatementOfChangesInEquityLineItems |
| 137 |
Balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 138 |
Changes in equity [Abstract] |
Abstract |
|
|
ifrs-full:ChangesInEquityAbstract |
| 139 |
Comprehensive income [Abstract] |
Abstract |
|
|
ifrs-full:ComprehensiveIncomeAbstract |
| 140 |
Profit for the period |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 141 |
Items that will not be reclassified subsequently to profit or loss: [Abstract] |
Abstract |
|
|
ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillNotBeReclassifiedToProfitOrLossNetOfTaxAbstract |
| 142 |
Remeasurements of defined benefit liability, net of tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans |
| 143 |
Share in other comprehensive income (loss) of associates and joint ventures, net of tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod |
| 144 |
Items that are or may be reclassified subsequently to profit or loss: [Abstract] |
Abstract |
|
|
ifrs-full:ComponentsOfOtherComprehensiveIncomeThatWillBeReclassifiedToProfitOrLossNetOfTaxAbstract |
| 145 |
Net change in the unrealized fair value of available-for-sale financial assets, net of tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxAvailableforsaleFinancialAssets |
| 146 |
Net change in the unrealized fair value of derivatives using cash flow hedge accounting, net of tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeNetOfTaxCashFlowHedges |
| 147 |
Foreign currency translation of foreign operations, net of tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnHedgesOfNetInvestmentsInForeignOperationsNetOfTax |
| 148 |
Share in other comprehensive income (loss) of associates and joint ventures, net of tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillNotBeReclassifiedToProfitOrLossNetOfTax |
| 149 |
Dividends paid |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DividendsPaid |
| 150 |
Issuance of share capital by subsidiaries |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IssueOfEquity |
| 151 |
Equity transaction within consolidation scope – other than issuance of share capital |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughChangesInOwnershipInterestsInSubsidiariesThatDoNotResultInLossOfControl |
| 152 |
Disposal of treasury stocks |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughTreasuryShareTransactions |
| 153 |
Changes in consolidation scope |
Concept (Monetary) |
For Period |
Credit |
kep:EquityChangesInConsolidationScope |
| 154 |
Dividends paid (hybrid bond) |
Concept (Monetary) |
For Period |
Debit |
kep:DividendsPaidHybridBond |
| 155 |
Repayment of hybrid securities |
Concept (Monetary) |
For Period |
Credit |
kep:RepaymentOfHybridBond |
| 156 |
Other changes in equity |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity |
| 157 |
Balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 158 |
10040000 - Statement - Consolidated Statements Of Cash Flows |
Network |
* |
* |
http://www.kepco.co.kr/role/ConsolidatedStatementsOfCashFlows |
| 159 |
Implied Table |
Table |
* |
* |
implied:Table |
| 160 |
Statement of cash flows [Abstract] |
Abstract |
|
|
ifrs-full:StatementOfCashFlowsAbstract |
| 161 |
Cash flows from (used in) operating activities [Abstract] |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInOperatingActivitiesAbstract |
| 162 |
Profit for the period |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLoss |
| 163 |
Adjustments for: [Abstract] |
Abstract |
|
|
us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract |
| 164 |
Income Tax Expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForIncomeTaxExpense |
| 165 |
Depreciation |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDepreciationExpense |
| 166 |
Amortisation |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForAmortisationExpense |
| 167 |
Employee benefits expense |
Concept (Monetary) |
For Period |
Debit |
us-gaap:PensionExpenseReversalOfExpenseNoncash |
| 168 |
Bad debt expense |
Concept (Monetary) |
For Period |
Debit |
kep:AdjustmentForBadDebtExpense |
| 169 |
Interest expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForInterestExpense |
| 170 |
Losses on sale of financial assets |
Concept (Monetary) |
For Period |
Debit |
kep:AdjustmentForLossesOnSaleOfFinancialAssets |
| 171 |
Losses on disposals of property, plant and equipment |
Concept (Monetary) |
For Period |
Debit |
kep:AdjustmentForLossesOnDisposalsOfPropertyPlantAndEquipment |
| 172 |
Loss on abandonment of property, plant, and equipment |
Concept (Monetary) |
For Period |
Debit |
kep:AdjustmentForLossOnAbandonmentOfPropertyPlantAndEquipment |
| 173 |
Impairment loss on property, plant and equipment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment |
| 174 |
Impairment loss on intangible assets |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill |
| 175 |
Losses on disposal of intangible assets |
Concept (Monetary) |
For Period |
Debit |
kep:AdjustmentForLossesOnDisposalOfIntangibleAssets |
| 176 |
Increase to provisions |
Concept (Monetary) |
For Period |
Debit |
kep:AdjustmentForAccretionExpenseToProvisionsNet |
| 177 |
Loss (gain) on foreign currency translation, net |
Concept (Monetary) |
For Period |
Debit |
kep:ForeignCurrencyTranslationLossGainBeforeTax |
| 178 |
Valuation and transaction loss (gain) on derivative instruments, net |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInDerivativeFinancialAssets |
| 179 |
Share in loss (income) of associates and joint ventures, net |
Concept (Monetary) |
For Period |
Debit |
kep:AdjustmentForShareInLossIncomeOfAssociatesAndJointVenturesNet |
| 180 |
Gains on disposal of financial assets |
Concept (Monetary) |
For Period |
Credit |
kep:AdjustmentForGainsOnDisposalOfFinancialAssets |
| 181 |
Gains on disposal of property plant, and equipment |
Concept (Monetary) |
For Period |
Credit |
kep:AdjustmentForGainsOnDisposalOfPropertyPlantAndEquipment |
| 182 |
Gains on disposal of intangible assets |
Concept (Monetary) |
For Period |
Credit |
kep:AdjustmentForGainsOnDisposalOfIntangibleAssets |
| 183 |
Gain on disposal of investments in associates and joint ventures |
Concept (Monetary) |
For Period |
Credit |
kep:AdjustmentForGainOnDisposalOfInvestmentsInAssociatesAndJointVentures |
| 184 |
Loss on disposal of investments in associates and joint ventures |
Concept (Monetary) |
For Period |
Debit |
kep:AdjustmentForLossOnDisposalOfInvestmentsInAssociatesAndJointVentures |
| 185 |
Gain on disposal of investments in subsidiaries |
Concept (Monetary) |
For Period |
Credit |
kep:AdjustmentForGainOnDisposalOfInvestmentsInSubsidiaries |
| 186 |
Impairment loss on investments in associates and joint ventures |
Concept (Monetary) |
For Period |
Debit |
kep:AdjustmentForImpairmentLossOnInvestmentsInAssociatesAndJointVentures |
| 187 |
Interest income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:AdjustmentsForInterestIncome |
| 188 |
Dividends income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:AdjustmentsForDividendIncome |
| 189 |
Impairment loss on available-for-sale financial assets |
Concept (Monetary) |
For Period |
Debit |
kep:AdjustmentForImpairmentOfAvailableForSaleFinancialAssets |
| 190 |
Other inflows (outflows) of cash |
Concept (Monetary) |
For Period |
Debit |
kep:AdjustmentForOtherInflowsOutflowsOfCash |
| 191 |
Adjustments for Cash flows from operating activities |
Concept (Monetary) |
For Period |
Debit |
us-gaap:AdjustmentsNoncashItemsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivities |
| 192 |
Changes in: [Abstract] |
Abstract |
|
|
us-gaap:IncreaseDecreaseInOperatingCapitalAbstract |
| 193 |
Trade receivables |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInTradeAccountReceivable |
| 194 |
Non-trade receivables |
Concept (Monetary) |
For Period |
Debit |
kep:AdjustmentsForDecreaseIncreaseInNonTradeAccountReceivable |
| 195 |
Accrued income |
Concept (Monetary) |
For Period |
Credit |
us-gaap:IncreaseDecreaseInAccruedInterestReceivableNet |
| 196 |
Other receivables |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInOtherOperatingReceivables |
| 197 |
Other current assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInOtherCurrentAssets |
| 198 |
Inventories |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForDecreaseIncreaseInInventories |
| 199 |
Other non-current assets |
Concept (Monetary) |
For Period |
Credit |
us-gaap:IncreaseDecreaseInOtherNoncurrentAssets |
| 200 |
Trade payables |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForIncreaseDecreaseInTradeAccountPayable |
| 201 |
Non-trade payables |
Concept (Monetary) |
For Period |
Debit |
us-gaap:IncreaseDecreaseInAccountsPayable |
| 202 |
Accrued expenses |
Concept (Monetary) |
For Period |
Debit |
us-gaap:IncreaseDecreaseInAccruedLiabilitiesAndOtherOperatingLiabilities |
| 203 |
Other payables |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForIncreaseDecreaseInOtherOperatingPayables |
| 204 |
Other current liabilities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForIncreaseDecreaseInOtherCurrentLiabilities |
| 205 |
Other non-current liabilities |
Concept (Monetary) |
For Period |
Debit |
us-gaap:IncreaseDecreaseInOtherNoncurrentLiabilities |
| 206 |
Investments in associates and joint ventures (dividends received) |
Concept (Monetary) |
For Period |
Debit |
kep:AdjustmentForInvestmentsInAssociatesAndJointVentures |
| 207 |
Provisions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForProvisions |
| 208 |
Payments of employee benefit obligations |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForIncreaseDecreaseInEmployeeBenefitLiabilities |
| 209 |
Plan assets |
Concept (Monetary) |
For Period |
Debit |
kep:PaymentsToPlanAsset |
| 210 |
Changes in assets and liabilities Cash flows from operating activities |
Concept (Monetary) |
For Period |
Credit |
us-gaap:IncreaseDecreaseInOperatingCapital |
| 211 |
Cash generated from operating activities |
Concept (Monetary) |
For Period |
|
us-gaap:NetCashProvidedByUsedInOperatingActivitiesContinuingOperations |
| 212 |
Dividends received (available-for-sale financial assets) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DividendsReceivedClassifiedAsOperatingActivities |
| 213 |
Interest paid |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:InterestPaidClassifiedAsOperatingActivities |
| 214 |
Interest received |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:InterestReceivedClassifiedAsOperatingActivities |
| 215 |
Income taxes paid |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncomeTaxesPaidRefundClassifiedAsOperatingActivities |
| 216 |
Net cash flows from operating activities |
Concept (Monetary) |
For Period |
|
ifrs-full:CashFlowsFromUsedInOperatingActivities |
| 217 |
Cash flows from investing activities [Abstract] |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInInvestingActivitiesAbstract |
| 218 |
Proceeds from disposals of associates and joint ventures |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OtherCashReceiptsFromSalesOfInterestsInJointVenturesClassifiedAsInvestingActivities |
| 219 |
Acquisition of associates and joint ventures |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherCashPaymentsToAcquireInterestsInJointVenturesClassifiedAsInvestingActivities |
| 220 |
Proceeds from sales of property, plant and equipment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromSalesOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities |
| 221 |
Acquisition of property, plant and equipment |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfPropertyPlantAndEquipmentClassifiedAsInvestingActivities |
| 222 |
Proceeds from sales of intangible assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromSalesOfIntangibleAssetsClassifiedAsInvestingActivities |
| 223 |
Acquisition of intangible assets |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfIntangibleAssetsClassifiedAsInvestingActivities |
| 224 |
Proceeds from disposals of financial assets |
Concept (Monetary) |
For Period |
Debit |
kep:ProceedsFromDisposalsOfFinancialAssets |
| 225 |
Acquisition of financial assets |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:PurchaseOfAvailableforsaleFinancialAssets |
| 226 |
Increase in loans |
Concept (Monetary) |
For Period |
Credit |
kep:IncreaseInLoans |
| 227 |
Collection of loans |
Concept (Monetary) |
For Period |
Debit |
kep:CollectionOfLoans |
| 228 |
Increase in deposits |
Concept (Monetary) |
For Period |
Credit |
kep:IncreaseInDeposits |
| 229 |
Decrease in deposits |
Concept (Monetary) |
For Period |
Debit |
kep:DecreaseInDeposits |
| 230 |
Proceeds from government grants |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromGovernmentGrantsClassifiedAsInvestingActivities |
| 231 |
Net cash inflow (outflow) from changes in consolidation scope |
Concept (Monetary) |
For Period |
Debit |
kep:NetCashFlowOurFlowFromChangesInConsolidationScope |
| 232 |
Other cash inflow (outflow) from investing activities, net |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OtherInflowsOutflowsOfCashClassifiedAsInvestingActivities |
| 233 |
Net cash flows used in investing activities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInInvestingActivities |
| 234 |
Cash flows from financing activities [Abstract] |
Abstract |
|
|
ifrs-full:CashFlowsFromUsedInFinancingActivitiesAbstract |
| 235 |
Proceeds from (Repayment of) short-term borrowings, Net |
Concept (Monetary) |
For Period |
Debit |
us-gaap:ProceedsFromShortTermDebt |
| 236 |
Proceeds from long-term borrowings and debt securities |
Concept (Monetary) |
For Period |
Debit |
us-gaap:ProceedsFromIssuanceOfLongTermDebt |
| 237 |
Repayment of long-term borrowings and debt securities |
Concept (Monetary) |
For Period |
Credit |
us-gaap:RepaymentsOfLongTermDebtAndCapitalSecurities |
| 238 |
Payment of finance lease liabilities |
Concept (Monetary) |
For Period |
Credit |
us-gaap:RepaymentsOfLongTermCapitalLeaseObligations |
| 239 |
Settlement of derivative instruments, net |
Concept (Monetary) |
For Period |
Debit |
us-gaap:FairValueNetDerivativeAssetLiabilityMeasuredOnRecurringBasisUnobservableInputsReconciliationPurchasesSalesIssuesSettlements |
| 240 |
Proceeds on disposal of partial interest in a subsidiary that does not involve loss of control |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProceedsFromChangesInOwnershipInterestsInSubsidiaries |
| 241 |
Change in non-controlling interest |
Concept (Monetary) |
For Period |
Debit |
us-gaap:ProceedsFromPaymentsToMinorityShareholders |
| 242 |
Repayment of hybrid bond |
Concept (Monetary) |
For Period |
Credit |
kep:RepaymentOfHybridBondClassifiedAsFinancingActivities |
| 243 |
Dividends paid (hybrid bond) |
Concept (Monetary) |
For Period |
Credit |
kep:DividendsPaidHybridBondClassifiedAsFinancingActivities |
| 244 |
Dividends paid |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DividendsPaidClassifiedAsFinancingActivities |
| 245 |
Other cash outflow from financing activities, net |
Concept (Monetary) |
For Period |
Debit |
us-gaap:ProceedsFromPaymentsForOtherFinancingActivities |
| 246 |
Net cash flows from (used in) financing activities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromUsedInFinancingActivities |
| 247 |
Net increase (decrease) in cash and cash equivalents before effect of exchange rate changes |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseInCashAndCashEquivalentsBeforeEffectOfExchangeRateChanges |
| 248 |
Effect of exchange rate fluctuations on cash held |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:EffectOfExchangeRateChangesOnCashAndCashEquivalents |
| 249 |
Net increase (decrease) in cash and cash equivalents |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseInCashAndCashEquivalents |
| 250 |
Cash and cash equivalents at January 1 |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 251 |
Cash and cash equivalents at December 31 |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 252 |
21010100 - Disclosure - Reporting Entity (Description of the controlling company) |
Network |
* |
* |
http://www.kepco.co.kr/role/ReportingEntityDescriptionOfTheControllingCompany |
| 253 |
Implied Table |
Table |
* |
* |
implied:Table |
| 254 |
Reporting Entity (Description of the controlling company) [Abstract] |
Abstract |
|
|
kep:DisclosureOfNotesAndOtherExplanatoryInformationAbstract |
| 255 |
Reporting Entity (Description of the controlling company) |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfNotesAndOtherExplanatoryInformationExplanatory |
| 256 |
21020100 - Disclosure - Basis of Preparation |
Network |
* |
* |
http://www.kepco.co.kr/role/BasisOfPreparation |
| 257 |
Implied Table |
Table |
* |
* |
implied:Table |
| 258 |
Basis of Preparation [Abstract] |
Abstract |
|
|
kep:DisclosureOfBasisOfPreparationOfFinancialStatementsAbstract |
| 259 |
Basis of Preparation |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfBasisOfPreparationOfFinancialStatementsExplanatory |
| 260 |
21030100 - Disclosure - Significant Accounting Policies |
Network |
* |
* |
http://www.kepco.co.kr/role/SignificantAccountingPolicies |
| 261 |
Implied Table |
Table |
* |
* |
implied:Table |
| 262 |
Significant Accounting Policies [Abstract] |
Abstract |
|
|
us-gaap:AccountingPoliciesAbstract |
| 263 |
Significant Accounting Policies |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfSummaryOfSignificantAccountingPoliciesExplanatory |
| 264 |
21040100 - Disclosure - Segment, Geographic and Other Information |
Network |
* |
* |
http://www.kepco.co.kr/role/SegmentGeographicAndOtherInformation |
| 265 |
Implied Table |
Table |
* |
* |
implied:Table |
| 266 |
Segment, Geographic and Other Information [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfOperatingSegmentsAbstract |
| 267 |
Segment, Geographic and Other Information |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfEntitysReportableSegmentsExplanatory |
| 268 |
21050100 - Disclosure - Classification of Financial Instruments |
Network |
* |
* |
http://www.kepco.co.kr/role/ClassificationOfFinancialInstruments |
| 269 |
Implied Table |
Table |
* |
* |
implied:Table |
| 270 |
Classification of Financial Instruments [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsAbstract |
| 271 |
Classification of Financial Instruments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinancialInstrumentsExplanatory |
| 272 |
21060100 - Disclosure - Restricted Deposits |
Network |
* |
* |
http://www.kepco.co.kr/role/RestrictedDeposits |
| 273 |
Implied Table |
Table |
* |
* |
implied:Table |
| 274 |
Restricted Deposits [Abstract] |
Abstract |
|
|
us-gaap:RestrictedCashAndInvestmentsAbstract |
| 275 |
Restricted Deposits |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfRestrictedCashAndInvestmentsExplanatory |
| 276 |
21070100 - Disclosure - Cash and Cash Equivalents |
Network |
* |
* |
http://www.kepco.co.kr/role/CashAndCashEquivalents |
| 277 |
Implied Table |
Table |
* |
* |
implied:Table |
| 278 |
Cash and Cash Equivalents [Abstract] |
Abstract |
|
|
ifrs-full:CashAndCashEquivalentsAbstract |
| 279 |
Cash and Cash Equivalents |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfCashAndCashEquivalentsExplanatory |
| 280 |
21080100 - Disclosure - Trade and Other Receivables |
Network |
* |
* |
http://www.kepco.co.kr/role/TradeAndOtherReceivables |
| 281 |
Implied Table |
Table |
* |
* |
implied:Table |
| 282 |
Trade and Other Receivables [Abstract] |
Abstract |
|
|
ifrs-full:TradeAndOtherReceivablesAbstract |
| 283 |
Trade and Other Receivables |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfTradeAndOtherReceivablesExplanatory |
| 284 |
21090100 - Disclosure - Available-for-sale Financial Assets |
Network |
* |
* |
http://www.kepco.co.kr/role/AvailableforsaleFinancialAssets |
| 285 |
Implied Table |
Table |
* |
* |
implied:Table |
| 286 |
Available-for-sale Financial Assets [Abstract] |
Abstract |
|
|
ifrs-full:AvailableforsaleFinancialAssetsAbstract |
| 287 |
Available-for-sale Financial Assets |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfAvailableforsaleFinancialAssetsExplanatory |
| 288 |
21100100 - Disclosure - Held-to-maturity Investments |
Network |
* |
* |
http://www.kepco.co.kr/role/HeldtomaturityInvestments |
| 289 |
Implied Table |
Table |
* |
* |
implied:Table |
| 290 |
Held-to-maturity Investments [Abstract] |
Abstract |
|
|
us-gaap:HeldToMaturitySecuritiesParentheticalDisclosureAbstract |
| 291 |
Held-to-maturity Investments |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfHeldToMaturityInvestmentsExplanatory |
| 292 |
21110100 - Disclosure - Derivatives |
Network |
* |
* |
http://www.kepco.co.kr/role/Derivatives |
| 293 |
Implied Table |
Table |
* |
* |
implied:Table |
| 294 |
Derivatives [Abstract] |
Abstract |
|
|
us-gaap:DerivativeInstrumentDetailAbstract |
| 295 |
Derivatives |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:DerivativeInstrumentsAndHedgingActivitiesDisclosureTextBlock |
| 296 |
21120100 - Disclosure - Other Financial Assets |
Network |
* |
* |
http://www.kepco.co.kr/role/OtherFinancialAssets |
| 297 |
Implied Table |
Table |
* |
* |
implied:Table |
| 298 |
Other Financial Assets [Abstract] |
Abstract |
|
|
kep:DisclosureOfOtherFinancialAssetsAbstract |
| 299 |
Other Financial Assets |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfOtherFinancialAssetsExplanatory |
| 300 |
21130100 - Disclosure - Inventories |
Network |
* |
* |
http://www.kepco.co.kr/role/Inventories |
| 301 |
Implied Table |
Table |
* |
* |
implied:Table |
| 302 |
Inventories [Abstract] |
Abstract |
|
|
us-gaap:InventoryNetAbstract |
| 303 |
Inventories |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfInventoriesExplanatory |
| 304 |
21140100 - Disclosure - Finance Lease Receivables |
Network |
* |
* |
http://www.kepco.co.kr/role/FinanceLeaseReceivables |
| 305 |
Implied Table |
Table |
* |
* |
implied:Table |
| 306 |
Finance Lease Receivables [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLessorAbstract |
| 307 |
Finance Lease Receivables |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLessorExplanatory |
| 308 |
21150100 - Disclosure - Non-Financial Assets |
Network |
* |
* |
http://www.kepco.co.kr/role/NonFinancialAssets |
| 309 |
Implied Table |
Table |
* |
* |
implied:Table |
| 310 |
Non-Financial Assets [Abstract] |
Abstract |
|
|
ifrs-full:CategoriesOfNoncurrentFinancialAssetsAbstract |
| 311 |
Non-Financial Assets |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfNonfinancialAssetsExplanatory |
| 312 |
21160100 - Disclosure - Consolidated Subsidiaries |
Network |
* |
* |
http://www.kepco.co.kr/role/ConsolidatedSubsidiaries |
| 313 |
Implied Table |
Table |
* |
* |
implied:Table |
| 314 |
Consolidated Subsidiaries [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesAbstract |
| 315 |
Consolidated Subsidiaries |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesExplanatory |
| 316 |
21170100 - Disclosure - Investments in Associates and Joint Ventures |
Network |
* |
* |
http://www.kepco.co.kr/role/InvestmentsInAssociatesAndJointVentures |
| 317 |
Implied Table |
Table |
* |
* |
implied:Table |
| 318 |
Investments in Associates and Joint Ventures [Abstract] |
Abstract |
|
|
kep:DisclosureOfSignificantInvestmentsInAssociatesAndJointVenturesAbstract |
| 319 |
Investments in Associates and Joint Ventures |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfSignificantInvestmentsInAssociatesAndJointVenturesExplanatory |
| 320 |
21180100 - Disclosure - Property, Plant and Equipment |
Network |
* |
* |
http://www.kepco.co.kr/role/PropertyPlantAndEquipment |
| 321 |
Implied Table |
Table |
* |
* |
implied:Table |
| 322 |
Property, Plant and Equipment [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract |
| 323 |
Property, Plant and Equipment |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentExplanatory |
| 324 |
21190100 - Disclosure - Investment Properties |
Network |
* |
* |
http://www.kepco.co.kr/role/InvestmentProperties |
| 325 |
Implied Table |
Table |
* |
* |
implied:Table |
| 326 |
Investment Properties [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfInvestmentPropertyAbstract |
| 327 |
Investment Properties |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfInvestmentPropertyExplanatory |
| 328 |
21200100 - Disclosure - Construction Services Contracts |
Network |
* |
* |
http://www.kepco.co.kr/role/ConstructionServicesContracts |
| 329 |
Implied Table |
Table |
* |
* |
implied:Table |
| 330 |
Construction Services Contracts [Abstract] |
Abstract |
|
|
us-gaap:ConstructionRevenueAbstract |
| 331 |
Construction Services Contracts |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfConstructionContractsExplanatory |
| 332 |
21210100 - Disclosure - Intangible Assets other than Goodwill |
Network |
* |
* |
http://www.kepco.co.kr/role/IntangibleAssetsOtherThanGoodwill |
| 333 |
Implied Table |
Table |
* |
* |
implied:Table |
| 334 |
Intangible Assets other than Goodwill [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfIntangibleAssetsAbstract |
| 335 |
Intangible Assets other than Goodwill |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIntangibleAssetsExplanatory |
| 336 |
21220100 - Disclosure - Trading liabilities |
Network |
* |
* |
http://www.kepco.co.kr/role/TradingLiabilities |
| 337 |
Implied Table |
Table |
* |
* |
implied:Table |
| 338 |
Trade and Other Payables [Abstract] |
Abstract |
|
|
ifrs-full:TradeAndOtherPayablesAbstract |
| 339 |
Trade and Other Payables |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfTradeAndOtherPayablesExplanatory |
| 340 |
21230100 - Disclosure - Borrowings and Debt Securities |
Network |
* |
* |
http://www.kepco.co.kr/role/BorrowingsAndDebtSecurities |
| 341 |
Implied Table |
Table |
* |
* |
implied:Table |
| 342 |
Borrowings and Debt Securities [Abstract] |
Abstract |
|
|
kep:BorrowingsAndDebtSecuritiesAbstract |
| 343 |
Borrowings and Debt Securities |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfBorrowingsAndDebtSecuritiesExplanatory |
| 344 |
21240100 - Disclosure - Finance Lease Liabilities |
Network |
* |
* |
http://www.kepco.co.kr/role/FinanceLeaseLiabilities |
| 345 |
Implied Table |
Table |
* |
* |
implied:Table |
| 346 |
Finance Lease Liabilities [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeAbstract |
| 347 |
Finance Lease Liabilities |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeExplanatory |
| 348 |
21250100 - Disclosure - Employment Benefits |
Network |
* |
* |
http://www.kepco.co.kr/role/EmploymentBenefits |
| 349 |
Implied Table |
Table |
* |
* |
implied:Table |
| 350 |
Employment Benefits [Abstract] |
Abstract |
|
|
kep:DisclosureOfEmploymentBenefitObligationsAbstract |
| 351 |
Employment Benefits |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfEmployeeBenefitsExplanatory |
| 352 |
21260100 - Disclosure - Provisions |
Network |
* |
* |
http://www.kepco.co.kr/role/Provisions |
| 353 |
Implied Table |
Table |
* |
* |
implied:Table |
| 354 |
Provisions [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfOtherProvisionsAbstract |
| 355 |
Provisions |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfOtherProvisionsExplanatory |
| 356 |
21270100 - Disclosure - Government Grants |
Network |
* |
* |
http://www.kepco.co.kr/role/GovernmentGrants |
| 357 |
Implied Table |
Table |
* |
* |
implied:Table |
| 358 |
Government grants [Abstract] |
Abstract |
|
|
kep:GovernmentGrantsAbstract |
| 359 |
Government Grants |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfGovernmentGrantsExplanatory |
| 360 |
21280100 - Disclosure - Deferred Revenues |
Network |
* |
* |
http://www.kepco.co.kr/role/DeferredRevenues |
| 361 |
Implied Table |
Table |
* |
* |
implied:Table |
| 362 |
Deferred Revenues [Abstract] |
Abstract |
|
|
us-gaap:DeferredRevenueDisclosureAbstract |
| 363 |
Deferred Revenues |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:DeferredRevenueDisclosureTextBlock |
| 364 |
21290100 - Disclosure - Non-financial Liabilities |
Network |
* |
* |
http://www.kepco.co.kr/role/NonfinancialLiabilities |
| 365 |
Implied Table |
Table |
* |
* |
implied:Table |
| 366 |
Other Liabilities Disclosure [Abstract] |
Abstract |
|
|
us-gaap:OtherLiabilitiesDisclosureAbstract |
| 367 |
Non-financial Liabilities |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:OtherLiabilitiesDisclosureTextBlock |
| 368 |
21300100 - Disclosure - Contributed Capital |
Network |
* |
* |
http://www.kepco.co.kr/role/ContributedCapital |
| 369 |
Implied Table |
Table |
* |
* |
implied:Table |
| 370 |
Disclosure of classes of share capital [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfClassesOfShareCapitalAbstract |
| 371 |
Contributed Capital |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfClassesOfShareCapitalExplanatory |
| 372 |
21310100 - Disclosure - Retained Earnings and Dividends Paid |
Network |
* |
* |
http://www.kepco.co.kr/role/RetainedEarningsAndDividendsPaid |
| 373 |
Implied Table |
Table |
* |
* |
implied:Table |
| 374 |
Disclosure of Retained Earnings and Dividends Paid [Abstract] |
Abstract |
|
|
kep:DisclosureOfRetainedEarningsAndDividendsPaidAbstract |
| 375 |
Retained Earnings and Dividends Paid |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfRetainedEarningsAndDividendsPaidExplanatory |
| 376 |
21320100 - Disclosure - Statement of Appropriation of Retained Earnings |
Network |
* |
* |
http://www.kepco.co.kr/role/StatementOfAppropriationOfRetainedEarnings |
| 377 |
Implied Table |
Table |
* |
* |
implied:Table |
| 378 |
Statement of Appropriation of Retained Earnings [Abstract] |
Abstract |
|
|
kep:StatementOfAppropriationOfRetainedEarningsAbstract |
| 379 |
Statement of Appropriation of Retained Earnings |
Concept (Text Block (HTML)) |
For Period |
|
kep:StatementOfAppropriationOfRetainedEarningsExplanatory |
| 380 |
21330100 - Disclosure - Hybrid Bonds |
Network |
* |
* |
http://www.kepco.co.kr/role/HybridBonds |
| 381 |
Implied Table |
Table |
* |
* |
implied:Table |
| 382 |
Hybrid Bonds [Abstract] |
Abstract |
|
|
kep:DisclosureOfHybridBondsAbstract |
| 383 |
Hybrid Bonds |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfHybridBondsExplanatory |
| 384 |
21340100 - Disclosure - Other Components of Equity |
Network |
* |
* |
http://www.kepco.co.kr/role/OtherComponentsOfEquity |
| 385 |
Implied Table |
Table |
* |
* |
implied:Table |
| 386 |
Other Components of Equity [Abstract] |
Abstract |
|
|
kep:OtherComponentsOfEquityAbstract |
| 387 |
Other Components of Equity |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfOtherComponentsOfEquityExplanatory |
| 388 |
21350100 - Disclosure - Sales |
Network |
* |
* |
http://www.kepco.co.kr/role/Sales |
| 389 |
Implied Table |
Table |
* |
* |
implied:Table |
| 390 |
Revenue [Abstract] |
Abstract |
|
|
ifrs-full:RevenueAbstract |
| 391 |
Sales |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfRevenueExplanatory |
| 392 |
21360100 - Disclosure - Selling and Administrative Expenses |
Network |
* |
* |
http://www.kepco.co.kr/role/SellingAndAdministrativeExpenses |
| 393 |
Implied Table |
Table |
* |
* |
implied:Table |
| 394 |
Selling, general and administrative expense [Abstract] |
Abstract |
|
|
ifrs-full:SellingGeneralAndAdministrativeExpenseAbstract |
| 395 |
Selling and Administrative Expenses |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfGeneralAndAdministrativeExpenseExplanatory |
| 396 |
21370100 - Disclosure - Other Income and Expense |
Network |
* |
* |
http://www.kepco.co.kr/role/OtherIncomeAndExpense |
| 397 |
Implied Table |
Table |
* |
* |
implied:Table |
| 398 |
Disclosure of other operating income (expense) [Abstract] |
Abstract |
|
|
kep:DisclosureOfOtherOperatingIncomeExpenseAbstract |
| 399 |
Other Income and Expense |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfOtherOperatingIncomeExpenseExplanatory |
| 400 |
21380100 - Disclosure - Other Gains (Losses) |
Network |
* |
* |
http://www.kepco.co.kr/role/OtherGainsLosses |
| 401 |
Implied Table |
Table |
* |
* |
implied:Table |
| 402 |
Other Gains (Losses) [Abstract] |
Abstract |
|
|
kep:OtherGainsLossesAbstract |
| 403 |
Other Gains (Losses) |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfOtherGainsLossesExplanatory |
| 404 |
21390100 - Disclosure - Finance Income |
Network |
* |
* |
http://www.kepco.co.kr/role/FinanceIncome |
| 405 |
Implied Table |
Table |
* |
* |
implied:Table |
| 406 |
Finance income [Abstract] |
Abstract |
|
|
kep:FinanceIncomeAbstract |
| 407 |
Finance Income |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinanceIncomeExplanatory |
| 408 |
21400100 - Disclosure - Finance Expenses |
Network |
* |
* |
http://www.kepco.co.kr/role/FinanceExpenses |
| 409 |
Implied Table |
Table |
* |
* |
implied:Table |
| 410 |
Finance Expenses [Abstract] |
Abstract |
|
|
kep:FinanceCostAbstract |
| 411 |
Finance Expenses |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinanceCostExplanatory |
| 412 |
21410100 - Disclosure - Income Taxes |
Network |
* |
* |
http://www.kepco.co.kr/role/IncomeTaxes |
| 413 |
Implied Table |
Table |
* |
* |
implied:Table |
| 414 |
Income tax expense [Abstract] |
Abstract |
|
|
ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract |
| 415 |
Income Taxes |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIncomeTaxExplanatory |
| 416 |
21420100 - Disclosure - Assets Held-for-Sale |
Network |
* |
* |
http://www.kepco.co.kr/role/AssetsHeldforSale |
| 417 |
Implied Table |
Table |
* |
* |
implied:Table |
| 418 |
Assets Held-for-Sale [Abstract] |
Abstract |
|
|
ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract |
| 419 |
Assets Held-for-Sale |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory |
| 420 |
21430100 - Disclosure - Expenses Classified by Nature |
Network |
* |
* |
http://www.kepco.co.kr/role/ExpensesClassifiedByNature |
| 421 |
Implied Table |
Table |
* |
* |
implied:Table |
| 422 |
Expenses Classified by Nature [Abstract] |
Abstract |
|
|
ifrs-full:ExpenseByNatureAbstract |
| 423 |
Expenses Classified by Nature |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfExpensesByNatureExplanatory |
| 424 |
21440100 - Disclosure - Earnings Per Share |
Network |
* |
* |
http://www.kepco.co.kr/role/EarningsPerShare |
| 425 |
Implied Table |
Table |
* |
* |
implied:Table |
| 426 |
Earnings per share [Abstract] |
Abstract |
|
|
ifrs-full:EarningsPerShareAbstract |
| 427 |
Earnings per share |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfEarningsPerShareExplanatory |
| 428 |
21450100 - Disclosure - Risk Management |
Network |
* |
* |
http://www.kepco.co.kr/role/RiskManagement |
| 429 |
Implied Table |
Table |
* |
* |
implied:Table |
| 430 |
Risk Management [Abstract] |
Abstract |
|
|
kep:DisclosureOfRiskManagementAbstract |
| 431 |
Risk Management |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfRiskManagementExplanatory |
| 432 |
21460100 - Disclosure - Service Concession Arrangements |
Network |
* |
* |
http://www.kepco.co.kr/role/ServiceConcessionArrangements |
| 433 |
Implied Table |
Table |
* |
* |
implied:Table |
| 434 |
Service Concession Arrangements [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfServiceConcessionArrangementsAbstract |
| 435 |
Service Concession Arrangements |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfServiceConcessionArrangementsExplanatory |
| 436 |
21470100 - Disclosure - Related Parties |
Network |
* |
* |
http://www.kepco.co.kr/role/RelatedParties |
| 437 |
Implied Table |
Table |
* |
* |
implied:Table |
| 438 |
Related Parties [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract |
| 439 |
Related Parties |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfRelatedPartyExplanatory |
| 440 |
21480100 - Disclosure - Non-Cash Transactions |
Network |
* |
* |
http://www.kepco.co.kr/role/NonCashTransactions |
| 441 |
Implied Table |
Table |
* |
* |
implied:Table |
| 442 |
Non-Cash Transactions [Abstract] |
Abstract |
|
|
us-gaap:CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract |
| 443 |
Non-Cash Transactions |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfCashFlowStatementExplanatory |
| 444 |
21490100 - Disclosure - Commitments for Expenditure |
Network |
* |
* |
http://www.kepco.co.kr/role/CommitmentsForExpenditure |
| 445 |
Implied Table |
Table |
* |
* |
implied:Table |
| 446 |
Commitments for Expenditure [Abstract] |
Abstract |
|
|
kep:DisclosureOfCommitmentsForExpenditureAbstract |
| 447 |
Commitments for Expenditure |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfCommitmentsExplanatory |
| 448 |
21500100 - Disclosure - Contingencies and Commitments |
Network |
* |
* |
http://www.kepco.co.kr/role/ContingenciesAndCommitments |
| 449 |
Implied Table |
Table |
* |
* |
implied:Table |
| 450 |
Contingencies and Commitments [Abstract] |
Abstract |
|
|
us-gaap:CommitmentsAndContingenciesDisclosureAbstract |
| 451 |
Contingencies and Commitments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfCommitmentsAndContingentLiabilitiesExplanatory |
| 452 |
21510100 - Disclosure - Subsequent Events |
Network |
* |
* |
http://www.kepco.co.kr/role/SubsequentEvents |
| 453 |
Implied Table |
Table |
* |
* |
implied:Table |
| 454 |
Subsequent Events [Abstract] |
Abstract |
|
|
us-gaap:SubsequentEventsAbstract |
| 455 |
Subsequent Events |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:SubsequentEventsTextBlock |
| 456 |
22020100 - Disclosure - Basis of Preparation (Policies) |
Network |
* |
* |
http://www.kepco.co.kr/role/BasisOfPreparationPolicies |
| 457 |
Implied Table |
Table |
* |
* |
implied:Table |
| 458 |
Basis of Preparation [Abstract] |
Abstract |
|
|
kep:DisclosureOfBasisOfPreparationOfFinancialStatementsAbstract |
| 459 |
Statement of compliance |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:StatementOfIFRSCompliance |
| 460 |
Basis of measurement |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:ExplanationOfMeasurementBasesUsedInPreparingFinancialStatements |
| 461 |
Functional and presentation currency |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForFunctionalCurrencyExplanatory |
| 462 |
Use of estimates and judgments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfAccountingJudgementsAndEstimatesExplanatory |
| 463 |
Changes in accounting policies |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfChangesInAccountingPoliciesExplanatory |
| 464 |
New standards and amendments not yet adopted |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:DescriptionOfNewAccountingPronouncementsNotYetAdopted |
| 465 |
22030100 - Disclosure - Significant Accounting Policies (Policies) |
Network |
* |
* |
http://www.kepco.co.kr/role/SignificantAccountingPoliciesPolicies |
| 466 |
Implied Table |
Table |
* |
* |
implied:Table |
| 467 |
Significant Accounting Policies [Abstract] |
Abstract |
|
|
us-gaap:AccountingPoliciesAbstract |
| 468 |
Basis of consolidation |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfBasisOfConsolidationExplanatory |
| 469 |
Business combinations |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForBusinessCombinationsExplanatory |
| 470 |
Investments in associates |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForInvestmentInAssociates |
| 471 |
Joint arrangements |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForInvestmentsInJointVentures |
| 472 |
Non-current assets held for sale |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory |
| 473 |
Goodwill |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForGoodwillExplanatory |
| 474 |
Revenue recognition |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForRecognitionOfRevenue |
| 475 |
Construction services revenue |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:ConstructionContractorsPolicyPolicyTextBlock |
| 476 |
Leases |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForLeasesExplanatory |
| 477 |
Foreign currencies |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForForeignCurrencyTranslationExplanatory |
| 478 |
Borrowing costs |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForBorrowingCostsExplanatory |
| 479 |
Government grants |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForGovernmentGrants |
| 480 |
Employee benefits |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForEmployeeBenefitsExplanatory |
| 481 |
Income taxes |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForIncomeTaxExplanatory |
| 482 |
Property, plant and equipment |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForPropertyPlantAndEquipmentExplanatory |
| 483 |
Investment property |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForInvestmentPropertyExplanatory |
| 484 |
Intangible assets |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForIntangibleAssetsOtherThanGoodwillExplanatory |
| 485 |
Greenhouse gas emissions rights (allowances) and obligations |
Concept (Text Block (HTML)) |
For Period |
|
kep:DescriptionOfAccountingPolicyForGreenhouseGasEmissionsRightsAllowancesAndObligationsExplanatory |
| 486 |
Impairment of non-financial assets other than goodwill |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForImpairmentOfNonfinancialAssetsExplanatory |
| 487 |
Inventories |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForMeasuringInventories |
| 488 |
Provisions |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForProvisionsExplanatory |
| 489 |
Non-derivative financial assets |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForFinancialAssetsExplanatory |
| 490 |
Non-derivative financial liabilities and equity instruments issued by the Company |
Concept (Text Block (HTML)) |
For Period |
|
kep:DescriptionOfAccountingPolicyForFinancialLiabilitiesAndEquityInstrumentsExplanatory |
| 491 |
Service Concession Arrangements |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForServiceConcessionArrangementsExplanatory |
| 492 |
Derivative financial instruments, including hedge accounting |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DescriptionOfAccountingPolicyForDerivativeFinancialInstrumentsAndHedgingExplanatory |
| 493 |
23010100 - Disclosure - Reporting Entity (Description of the controlling company) (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/ReportingEntityDescriptionOfTheControllingCompanyTables |
| 494 |
Implied Table |
Table |
* |
* |
implied:Table |
| 495 |
Reporting Entity (Description of the controlling company) [Abstract] |
Abstract |
|
|
kep:DisclosureOfNotesAndOtherExplanatoryInformationAbstract |
| 496 |
The Company's shareholders |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfCompositionOfShareholdersExplanatory |
| 497 |
23020100 - Disclosure - Basis of Preparation (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/BasisOfPreparationTables |
| 498 |
Implied Table |
Table |
* |
* |
implied:Table |
| 499 |
Basis of Preparation [Abstract] |
Abstract |
|
|
kep:DisclosureOfBasisOfPreparationOfFinancialStatementsAbstract |
| 500 |
Impacts on financial assets from initial application of IFRS9 |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:ExplanationOfFirsttimeAdoptionOfIFRS9 |
| 501 |
Measurement of loss allowances under IFRS9 |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:ExplanationOfInitialApplicationOfImpairmentRequirementsForFinancialInstrumentsExplanatory |
| 502 |
Impacts on loss allowances of financial assets from initial application of IFRS9 |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfImpactsOnLossAllowancesOfFinancialAssetsFromInitialApplicationOfIFRS9Explanatory |
| 503 |
23030100 - Disclosure - Significant Accounting Policies (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/SignificantAccountingPoliciesTables |
| 504 |
Implied Table |
Table |
* |
* |
implied:Table |
| 505 |
Significant Accounting Policies [Abstract] |
Abstract |
|
|
us-gaap:AccountingPoliciesAbstract |
| 506 |
Property, plant and equipment, estimated useful lives |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfPropertyPlantAndEquipmentEstimatedUsefulLivesExplanatory |
| 507 |
Intangible assets, estimated useful lives |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfIntangibleAssetsEstimatedUsefulLivesExplanatory |
| 508 |
23040100 - Disclosure - Segment, Geographic and Other Information (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/SegmentGeographicAndOtherInformationTables |
| 509 |
Implied Table |
Table |
* |
* |
implied:Table |
| 510 |
Segment, Geographic and Other Information [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfOperatingSegmentsAbstract |
| 511 |
Segment determination and explanation of the measurements |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:SegmentReportingDisclosureTextBlock |
| 512 |
Financial information of the segments |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfOperatingSegmentsExplanatory |
| 513 |
Information related to segment assets and liabilities |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfInformationRelatedToSegmentAssetsAndLiabilitiesExplanatory |
| 514 |
Geographic information |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfGeographicalAreasExplanatory |
| 515 |
Information on significant customers |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfSegmentsMajorCustomersExplanatory |
| 516 |
23050100 - Disclosure - Classification of Financial Instruments (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/ClassificationOfFinancialInstrumentsTables |
| 517 |
Implied Table |
Table |
* |
* |
implied:Table |
| 518 |
Classification of Financial Instruments [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsAbstract |
| 519 |
Classification of financial assets |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinancialAssetsExplanatory |
| 520 |
Classification of financial liabilities |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFinancialLiabilitiesExplanatory |
| 521 |
Classification of comprehensive income (loss) from financial instruments |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfComprehensiveIncomeLossFromFinancialInstrumentsExplanatory |
| 522 |
23060100 - Disclosure - Restricted Deposits (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/RestrictedDepositsTables |
| 523 |
Implied Table |
Table |
* |
* |
implied:Table |
| 524 |
Restricted Deposits [Abstract] |
Abstract |
|
|
us-gaap:RestrictedCashAndInvestmentsAbstract |
| 525 |
Restricted Deposits |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfRestrictedDepositsExplanatory |
| 526 |
23070100 - Disclosure - Cash and Cash Equivalents (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/CashAndCashEquivalentsTables |
| 527 |
Implied Table |
Table |
* |
* |
implied:Table |
| 528 |
Cash and Cash Equivalents [Abstract] |
Abstract |
|
|
ifrs-full:CashAndCashEquivalentsAbstract |
| 529 |
Cash and Cash Equivalents |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:CashAndCashEquivalentsDisclosureTextBlock |
| 530 |
23080100 - Disclosure - Trade and Other Receivables (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/TradeAndOtherReceivablesTables |
| 531 |
Implied Table |
Table |
* |
* |
implied:Table |
| 532 |
Trade and Other Receivables [Abstract] |
Abstract |
|
|
ifrs-full:TradeAndOtherReceivablesAbstract |
| 533 |
Trade and Other Receivables |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfCurrentNoncurrentTradeAndOtherReceivablesExplanatory |
| 534 |
Other receivables |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfCurrentNoncurrentOtherReceivablesExplanatory |
| 535 |
Aging analysis of trade receivables |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfAgingAnalysisOfTradeReceivablesExplanatory |
| 536 |
Aging analysis of other receivables |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfAgingAnalysisOfOtherReceivablesExplanatory |
| 537 |
Changes in the allowance for doubtful accounts |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfChangesInAllowanceForDoubtfulAccountsOfTradeAndOtherReceivablesExplanatory |
| 538 |
23090100 - Disclosure - Available-for-sale Financial Assets (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/AvailableforsaleFinancialAssetsTables |
| 539 |
Implied Table |
Table |
* |
* |
implied:Table |
| 540 |
Available-for-sale Financial Assets [Abstract] |
Abstract |
|
|
ifrs-full:AvailableforsaleFinancialAssetsAbstract |
| 541 |
Changes in available-for-sale financial assets |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfChangesInAvailableforsaleFinancialAssetsExplanatory |
| 542 |
Available-for-sale financial assets |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:AvailableForSaleSecuritiesTextBlock |
| 543 |
23100100 - Disclosure - Held-to-maturity Investments (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/HeldtomaturityInvestmentsTables |
| 544 |
Implied Table |
Table |
* |
* |
implied:Table |
| 545 |
Held-to-maturity Investments [Abstract] |
Abstract |
|
|
us-gaap:HeldToMaturitySecuritiesParentheticalDisclosureAbstract |
| 546 |
Held-to-maturity Investments |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:HeldToMaturitySecuritiesTextBlock |
| 547 |
23110100 - Disclosure - Derivatives (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/DerivativesTables |
| 548 |
Implied Table |
Table |
* |
* |
implied:Table |
| 549 |
Derivatives [Abstract] |
Abstract |
|
|
us-gaap:DerivativeInstrumentDetailAbstract |
| 550 |
Derivatives |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDerivativeFinancialInstrumentsExplanatory |
| 551 |
Currency forward contracts which are not designated as hedge instruments |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfCurrencyForwardContractsNotDesignatedAsHedgeInstrumentsExplanatory |
| 552 |
Currency swap contracts which are not designated as hedge instruments |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfCurrencySwapContractsNotDesignatedAsHedgeInstrumentsExplanatory |
| 553 |
Currency swap contracts which are designated as hedge instruments |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfCurrencySwapContractsDesignatedAsHedgeInstrumentsExplanatory |
| 554 |
Interest rate swap contracts which are not designated as hedge instruments |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfInterestRateContractsNotDesignatedAsHedgeInstrumentsExplanatory |
| 555 |
Interest rate swap contracts which are designated as hedge instruments |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfInterestRateContractsDesignatedAsHedgeInstrumentsExplanatory |
| 556 |
Gain and loss on valuation and transaction of derivatives |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:ScheduleOfDerivativeInstrumentsGainLossInStatementOfFinancialPerformanceTextBlock |
| 557 |
23120100 - Disclosure - Other Financial Assets (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/OtherFinancialAssetsTables |
| 558 |
Implied Table |
Table |
* |
* |
implied:Table |
| 559 |
Other Financial Assets [Abstract] |
Abstract |
|
|
kep:DisclosureOfOtherFinancialAssetsAbstract |
| 560 |
Other Financial Assets |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfCurrentNoncurrentOtherFinancialAssetsExplanatory |
| 561 |
Loans and receivables |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfLoansAndReceivablesOfOtherFinancialAssetsExplanatory |
| 562 |
Changes in the allowance for doubtful accounts of loans and receivables |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfChangesInAllowanceForDoubtfulAccountsOfOtherFinancialAssetsExplanatory |
| 563 |
Long-term and short-term financial instruments |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfLongtermAndShorttermFinancialInstrumentsExplanatory |
| 564 |
23130100 - Disclosure - Inventories (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/InventoriesTables |
| 565 |
Implied Table |
Table |
* |
* |
implied:Table |
| 566 |
Inventories [Abstract] |
Abstract |
|
|
us-gaap:InventoryNetAbstract |
| 567 |
Inventories |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:InventoryDisclosureTextBlock |
| 568 |
23140100 - Disclosure - Finance Lease Receivables (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/FinanceLeaseReceivablesTables |
| 569 |
Implied Table |
Table |
* |
* |
implied:Table |
| 570 |
Finance Lease Receivables [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLessorAbstract |
| 571 |
Finance Lease Receivables |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfFinanceLeaseReceivablesExplanatory |
| 572 |
23150100 - Disclosure - Non-Financial Assets (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/NonFinancialAssetsTables |
| 573 |
Implied Table |
Table |
* |
* |
implied:Table |
| 574 |
Non-Financial Assets [Abstract] |
Abstract |
|
|
ifrs-full:CategoriesOfNoncurrentFinancialAssetsAbstract |
| 575 |
Non-Financial Assets |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfCurrentNoncurrentNonfinancialAssetsExplanatory |
| 576 |
23160100 - Disclosure - Consolidated Subsidiaries (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/ConsolidatedSubsidiariesTables |
| 577 |
Implied Table |
Table |
* |
* |
implied:Table |
| 578 |
Consolidated Subsidiaries [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesAbstract |
| 579 |
Consolidated Subsidiaries |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfConsolidatedSubsidiariesExplanatory |
| 580 |
Subsidiaries newly included in or excluded from consolidation |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfChangesInSubsidiariesConsolidatedExplanatory |
| 581 |
Summary of financial information of consolidated subsidiaries |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfInformationAboutConsolidatedStructuredEntitiesExplanatory |
| 582 |
Significant restrictions on abilities to subsidiaries |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfSignificantRestrictionsOnAbilitiesToSubsidiariesExplanatory |
| 583 |
Details of non-controlling interest prior to intra-group eliminations |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfNoncontrollingInterestsExplanatory |
| 584 |
Changes in goodwill |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfReconciliationOfChangesInGoodwillExplanatory |
| 585 |
Disposals of subsidiaries |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfDisposalsOfSubsidiariesExplanatory |
| 586 |
Cash dividends received from subsidiaries |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfDividendsFromSubsidiariesExplanatory |
| 587 |
23170100 - Disclosure - Investments in Associates and Joint Ventures (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/InvestmentsInAssociatesAndJointVenturesTables |
| 588 |
Implied Table |
Table |
* |
* |
implied:Table |
| 589 |
Investments in Associates and Joint Ventures [Abstract] |
Abstract |
|
|
kep:DisclosureOfSignificantInvestmentsInAssociatesAndJointVenturesAbstract |
| 590 |
Investments in Associates and Joint Ventures |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfSummaryOfGeneralInformationSignificantInvestmentsInAssociatesAndJointVenturesExplanatory |
| 591 |
The fair value of associates |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfFairValueOfAssociatesExplanatory |
| 592 |
Changes in investments in associates and joint ventures |
Concept (Text Block (HTML)) |
For Period |
|
kep:ChangesInInvestmentsInAssociatesAndJointVenturesExplanatory |
| 593 |
Summary of financial information of associates and joint ventures |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfSummaryOfFinancialInformationAboutAssociatesAndJointVenturesExplanatory |
| 594 |
Financial information of associates and joint ventures in consolidated financial statements |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfConsolidatedFinancialInformationAboutAssociatesAndJointVenturesExplanatory |
| 595 |
Unrecognized equity interest in investments in associates and joint ventures |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfUnrecognizedEquityInterestInInvestmentsInAssociatesAndJointVenturesExplanatory |
| 596 |
Shareholders’ agreements on investments in associates and joint ventures |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfShareholdersAgreementsOnInvestmentsInAssociatesAndJointVenturesExplanatory |
| 597 |
Significant restrictions on its abilities to associates or joint ventures |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfSignificantRestrictionsOnAbilitiesToAssociatesAndJointVenturesExplanatory |
| 598 |
23180100 - Disclosure - Property, Plant and Equipment (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/PropertyPlantAndEquipmentTables |
| 599 |
Implied Table |
Table |
* |
* |
implied:Table |
| 600 |
Property, Plant and Equipment [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentAbstract |
| 601 |
Property, Plant and Equipment |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock |
| 602 |
Changes in property, plant and equipment |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDetailedInformationAboutPropertyPlantAndEquipmentExplanatory |
| 603 |
23190100 - Disclosure - Investment Properties (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/InvestmentPropertiesTables |
| 604 |
Implied Table |
Table |
* |
* |
implied:Table |
| 605 |
Investment Properties [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfInvestmentPropertyAbstract |
| 606 |
Investment Properties |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDetailedInformationAboutInvestmentPropertyExplanatory |
| 607 |
Changes in investment properties |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfChangesInInvestmentPropertyExplanatory |
| 608 |
Income and expenses related to investment properties |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfIncomeAndExpensesRelatedToInvestmentPropertyExplanatory |
| 609 |
Fair value of investment properties |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfFairValueOfInvestmentPropertyExplanatory |
| 610 |
23200100 - Disclosure - Construction Services Contracts (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/ConstructionServicesContractsTables |
| 611 |
Implied Table |
Table |
* |
* |
implied:Table |
| 612 |
Construction Services Contracts [Abstract] |
Abstract |
|
|
us-gaap:ConstructionRevenueAbstract |
| 613 |
Changes in total contract amount in which revenue is not yet recognized |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfChangesInConstructionContractsAmountNotYetRecognizedAsRevenueExplanatory |
| 614 |
Accumulated earned revenue, expense and others |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfAccumulatedRevenueExpenseAndOthersFromConstructionContractsExplanatory |
| 615 |
Gross amount of assets and liabilities for contract |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:ContractWithCustomerAssetAndLiabilityTableTextBlock |
| 616 |
23210100 - Disclosure - Intangible Assets other than Goodwill (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/IntangibleAssetsOtherThanGoodwillTables |
| 617 |
Implied Table |
Table |
* |
* |
implied:Table |
| 618 |
Intangible Assets other than Goodwill [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfIntangibleAssetsAbstract |
| 619 |
Intangible Assets other than Goodwill |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:IntangibleAssetsDisclosureTextBlock |
| 620 |
Changes in intangible assets |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDetailedInformationAboutIntangibleAssetsExplanatory |
| 621 |
Significant specific intangible assets |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIntangibleAssetsMaterialToEntityExplanatory |
| 622 |
Recognized research and development expenses |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfResearchAndDevelopmentExpenseExplanatory |
| 623 |
23220100 - Disclosure - Trading liabilities (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/TradingLiabilitiesTables |
| 624 |
Implied Table |
Table |
* |
* |
implied:Table |
| 625 |
Trade and Other Payables [Abstract] |
Abstract |
|
|
ifrs-full:TradeAndOtherPayablesAbstract |
| 626 |
Trade and Other Payables |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:AccountsPayableAndAccruedLiabilitiesDisclosureTextBlock |
| 627 |
23230100 - Disclosure - Borrowings and Debt Securities (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/BorrowingsAndDebtSecuritiesTables |
| 628 |
Implied Table |
Table |
* |
* |
implied:Table |
| 629 |
Borrowings and Debt Securities [Abstract] |
Abstract |
|
|
kep:BorrowingsAndDebtSecuritiesAbstract |
| 630 |
Borrowings and Debt Securities |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfCurrentNoncurrentBorrowingsAndDebtSecuritiesExplanatory |
| 631 |
Repayment schedule of borrowings and debt securities |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfRepaymentScheduleOfBorrowingsAndDebtSecuritiesExplanatory |
| 632 |
Short-term borrowings |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfShorttermBorrowingsExplanatory |
| 633 |
Long-term borrowings |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfLongtermBorrowingsExplanatory |
| 634 |
Local debt securities |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfLocalDebtSecuritiesExplanatory |
| 635 |
Foreign debt securities |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfForeignDebtSecuritiesExplanatory |
| 636 |
Changes in borrowings and debt securities |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfChangesInBorrowingsAndDebtSecuritiesExplanatory |
| 637 |
23240100 - Disclosure - Finance Lease Liabilities (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/FinanceLeaseLiabilitiesTables |
| 638 |
Implied Table |
Table |
* |
* |
implied:Table |
| 639 |
Finance Lease Liabilities [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeAbstract |
| 640 |
Finance Lease Liabilities |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:FinanceLeaseLiabilityMaturityTableTextBlock |
| 641 |
Current and non-current portion of financial lease liabilities |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:LesseeFinanceLeasesTextBlock |
| 642 |
Minimum lease payment and contingent rent payment recognized as an expense |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfMinimumLeasePaymentAndContingentRentPaymentRecognizedAsExpenseExplanatory |
| 643 |
Changes in finance lease liabilities |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfChangesInFinanceLeaseLiabilitiesExplanatory |
| 644 |
23250100 - Disclosure - Employment Benefits (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/EmploymentBenefitsTables |
| 645 |
Implied Table |
Table |
* |
* |
implied:Table |
| 646 |
Employment Benefits [Abstract] |
Abstract |
|
|
kep:DisclosureOfEmploymentBenefitObligationsAbstract |
| 647 |
Employment Benefits |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:CompensationAndEmployeeBenefitPlansTextBlock |
| 648 |
Principal assumptions on actuarial valuation |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfPrincipalAssumptionsOnActuarialValuationOfEmploymentBenefitsExplanatory |
| 649 |
Details of expense relating to defined benefit plans |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfExpenseRelatingToDefinedBenefitPlansExplanatory |
| 650 |
Details of defined benefits |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:PostemploymentBenefitsDisclosureTextBlock |
| 651 |
Changes in the present value of defined benefits |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:ScheduleOfChangesInAccumulatedPostemploymentBenefitObligationsTableTextBlock |
| 652 |
Changes in the fair value of plan assets |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfChangesInFairValueOfPlanAssetsExplanatory |
| 653 |
Details of the fair value of plan assets |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFairValueOfPlanAssetsExplanatory |
| 654 |
Remeasurement component recognized in other comprehensive income (loss) |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfRemeasurementComponentRecognizedInOtherComprehensiveIncomeLossOfEmploymentBenefitsExplanatory |
| 655 |
23260100 - Disclosure - Provisions (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/ProvisionsTables |
| 656 |
Implied Table |
Table |
* |
* |
implied:Table |
| 657 |
Provisions [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfOtherProvisionsAbstract |
| 658 |
Provisions |
Concept (Text Block (HTML)) |
For Period |
|
kep:DetailsOfOtherProvisionsExplanatory |
| 659 |
Changes in provisions |
Concept (Text Block (HTML)) |
For Period |
|
kep:ChangesInOtherProvisionsExplanatory |
| 660 |
23270100 - Disclosure - Government Grants (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/GovernmentGrantsTables |
| 661 |
Implied Table |
Table |
* |
* |
implied:Table |
| 662 |
Government grants [Abstract] |
Abstract |
|
|
kep:GovernmentGrantsAbstract |
| 663 |
Government Grants |
Concept (Text Block (HTML)) |
For Period |
|
kep:DetailsOfGovernmentGrantsExplanatory |
| 664 |
Changes in government Grants |
Concept (Text Block (HTML)) |
For Period |
|
kep:ChangesInGovernmentGrantsExplanatory |
| 665 |
23280100 - Disclosure - Deferred Revenues (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/DeferredRevenuesTables |
| 666 |
Implied Table |
Table |
* |
* |
implied:Table |
| 667 |
Deferred Revenues [Abstract] |
Abstract |
|
|
us-gaap:DeferredRevenueDisclosureAbstract |
| 668 |
Deferred Revenues |
Concept (Text Block (HTML)) |
For Period |
|
kep:DetailsOfDeferredRevenueExplanatory |
| 669 |
23290100 - Disclosure - Non-financial Liabilities (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/NonfinancialLiabilitiesTables |
| 670 |
Implied Table |
Table |
* |
* |
implied:Table |
| 671 |
Other Liabilities Disclosure [Abstract] |
Abstract |
|
|
us-gaap:OtherLiabilitiesDisclosureAbstract |
| 672 |
Non-financial Liabilities |
Concept (Text Block (HTML)) |
For Period |
|
kep:DetailsOfOtherLiabilitiesExplanatory |
| 673 |
23300100 - Disclosure - Contributed Capital (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/ContributedCapitalTables |
| 674 |
Implied Table |
Table |
* |
* |
implied:Table |
| 675 |
Disclosure of classes of share capital [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfClassesOfShareCapitalAbstract |
| 676 |
Issued Capital |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfIssuedCapitalExplanatory |
| 677 |
Number of Issued Capital |
Concept (Text Block (HTML)) |
For Period |
|
kep:NumberOfIssuedCapitalExplanatory |
| 678 |
Share premium |
Concept (Text Block (HTML)) |
For Period |
|
kep:DetailsOfSharePremiumExplanatory |
| 679 |
23310100 - Disclosure - Retained Earnings and Dividends Paid (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/RetainedEarningsAndDividendsPaidTables |
| 680 |
Implied Table |
Table |
* |
* |
implied:Table |
| 681 |
Disclosure of Retained Earnings and Dividends Paid [Abstract] |
Abstract |
|
|
kep:DisclosureOfRetainedEarningsAndDividendsPaidAbstract |
| 682 |
Retained Earnings |
Concept (Text Block (HTML)) |
For Period |
|
kep:DetailsOfRetainedEarningsExplanatory |
| 683 |
Voluntary reserves |
Concept (Text Block (HTML)) |
For Period |
|
kep:DetailsOfVoluntaryReservesExplanatory |
| 684 |
Changes in Retained Earnings |
Concept (Text Block (HTML)) |
For Period |
|
kep:ChangesInRetainedEarningsExplanatory |
| 685 |
Dividends Paid |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDividendsExplanatory |
| 686 |
Changes in retained earnings of investments in associates and joint ventures |
Concept (Text Block (HTML)) |
For Period |
|
kep:ChangesInRetainedEarningsOfInvestmentsInAssociatesAndJointVenturesExplanatory |
| 687 |
Changes in retained earnings of remeasurement components |
Concept (Text Block (HTML)) |
For Period |
|
kep:ChangesInRetainedEarningsOfRemeasurementComponentsExplanatory |
| 688 |
23320100 - Disclosure - Statement of Appropriation of Retained Earnings (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/StatementOfAppropriationOfRetainedEarningsTables |
| 689 |
Implied Table |
Table |
* |
* |
implied:Table |
| 690 |
Statement of Appropriation of Retained Earnings [Abstract] |
Abstract |
|
|
kep:StatementOfAppropriationOfRetainedEarningsAbstract |
| 691 |
Statement of Appropriation of Retained Earnings |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureTableOfStatementOfAppropriationOfRetainedEarningsExplanatory |
| 692 |
23330100 - Disclosure - Hybrid Bonds (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/HybridBondsTables |
| 693 |
Implied Table |
Table |
* |
* |
implied:Table |
| 694 |
Hybrid Bonds [Abstract] |
Abstract |
|
|
kep:DisclosureOfHybridBondsAbstract |
| 695 |
Hybrid Bonds |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureTableOfHybridBondsExplanatory |
| 696 |
23340100 - Disclosure - Other Components of Equity (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/OtherComponentsOfEquityTables |
| 697 |
Implied Table |
Table |
* |
* |
implied:Table |
| 698 |
Other Components of Equity [Abstract] |
Abstract |
|
|
kep:OtherComponentsOfEquityAbstract |
| 699 |
Other Components of Equity |
Concept (Text Block (HTML)) |
For Period |
|
kep:DetailsOfOtherComponentsOfEquityExplanatory |
| 700 |
Changes in other capital surplus |
Concept (Text Block (HTML)) |
For Period |
|
kep:ChangesInOtherComponentsOfOtherCapitalSurplusEquityExplanatory |
| 701 |
Changes in accumulated other comprehensive income (loss) |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfAnalysisOfOtherComprehensiveIncomeByItemExplanatory |
| 702 |
Changes in other equity |
Concept (Text Block (HTML)) |
For Period |
|
kep:ChangesInOtherComponentsOfOtherEquityExplanatory |
| 703 |
23350100 - Disclosure - Sales (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/SalesTables |
| 704 |
Implied Table |
Table |
* |
* |
implied:Table |
| 705 |
Revenue [Abstract] |
Abstract |
|
|
ifrs-full:RevenueAbstract |
| 706 |
Sales |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:DisaggregationOfRevenueTableTextBlock |
| 707 |
23360100 - Disclosure - Selling and Administrative Expenses (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/SellingAndAdministrativeExpensesTables |
| 708 |
Implied Table |
Table |
* |
* |
implied:Table |
| 709 |
Selling, general and administrative expense [Abstract] |
Abstract |
|
|
ifrs-full:SellingGeneralAndAdministrativeExpenseAbstract |
| 710 |
Selling and Administrative Expenses |
Concept (Text Block (HTML)) |
For Period |
|
kep:DetailsOfGeneralAndAdministrativeExpenseExplanatory |
| 711 |
Other selling and administrative expenses |
Concept (Text Block (HTML)) |
For Period |
|
kep:DetailsOfOtherGeneralAndAdministrativeExpenseExplanatory |
| 712 |
23370100 - Disclosure - Other Income and Expense (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/OtherIncomeAndExpenseTables |
| 713 |
Implied Table |
Table |
* |
* |
implied:Table |
| 714 |
Disclosure of other operating income (expense) [Abstract] |
Abstract |
|
|
kep:DisclosureOfOtherOperatingIncomeExpenseAbstract |
| 715 |
Other Income |
Concept (Text Block (HTML)) |
For Period |
|
kep:OtherIncomeExplanatory |
| 716 |
Details of others of other income |
Concept (Text Block (HTML)) |
For Period |
|
kep:DetailsOfOthersOfOtherIncomeExplanatory |
| 717 |
Other Expense |
Concept (Text Block (HTML)) |
For Period |
|
kep:OtherExpenseExplanatory |
| 718 |
Details of others of other expense |
Concept (Text Block (HTML)) |
For Period |
|
kep:DetailsOfOthersOfOtherExpenseExplanatory |
| 719 |
23380100 - Disclosure - Other Gains (Losses) (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/OtherGainsLossesTables |
| 720 |
Implied Table |
Table |
* |
* |
implied:Table |
| 721 |
Other Gains (Losses) [Abstract] |
Abstract |
|
|
kep:OtherGainsLossesAbstract |
| 722 |
Other Gains (Losses) |
Concept (Text Block (HTML)) |
For Period |
|
kep:DetailsOfOtherGainsLossesExplanatory |
| 723 |
Details of others of other gains |
Concept (Text Block (HTML)) |
For Period |
|
kep:DetailsOfOthersOfOtherGainsExplanatory |
| 724 |
Details of others of other losses |
Concept (Text Block (HTML)) |
For Period |
|
kep:DetailsOfOthersOfOtherLossesExplanatory |
| 725 |
23390100 - Disclosure - Finance Income (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/FinanceIncomeTables |
| 726 |
Implied Table |
Table |
* |
* |
implied:Table |
| 727 |
Finance income [Abstract] |
Abstract |
|
|
kep:FinanceIncomeAbstract |
| 728 |
Finance Income |
Concept (Text Block (HTML)) |
For Period |
|
kep:DetailsOfFinanceIncomeExplanatory |
| 729 |
Interest Income |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfInterestIncomeExplanatory |
| 730 |
23400100 - Disclosure - Finance Expenses (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/FinanceExpensesTables |
| 731 |
Implied Table |
Table |
* |
* |
implied:Table |
| 732 |
Finance Expenses [Abstract] |
Abstract |
|
|
kep:FinanceCostAbstract |
| 733 |
Finance Expenses |
Concept (Text Block (HTML)) |
For Period |
|
kep:DetailsOfFinanceCostExplanatory |
| 734 |
Interest Expenses |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfInterestExpenseExplanatory |
| 735 |
23410100 - Disclosure - Income tax expense (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/IncomeTaxExpenseTables |
| 736 |
Implied Table |
Table |
* |
* |
implied:Table |
| 737 |
Income tax expense [Abstract] |
Abstract |
|
|
ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract |
| 738 |
Income tax expense |
Concept (Text Block (HTML)) |
For Period |
|
kep:DetailsOFIncomeTaxExplanatory |
| 739 |
Reconciliation between actual income tax expense and amount computed by applying the statutory tax rate |
Concept (Text Block (HTML)) |
For Period |
|
kep:ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesExplanatory |
| 740 |
Income tax directly adjusted to shareholders’ equity (except for accumulated other comprehensive income (loss)) |
Concept (Text Block (HTML)) |
For Period |
|
kep:IncomeTaxDirectlyAdjustedToShareholdersEequityExceptForAccumulatedOtherComprehensiveIncomeLossExplanatory |
| 741 |
Income tax recognized as other comprehensive income (loss) |
Concept (Text Block (HTML)) |
For Period |
|
kep:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeExplanatory |
| 742 |
Changes in deferred income tax assets (liabilities) |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsExplanatory |
| 743 |
Deferred income tax assets (liabilities) |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfDeferredTaxesExplanatory |
| 744 |
Details of deductible temporary differences, tax losses and unused tax credits for which no deferred income tax assets were recognized |
Concept (Text Block (HTML)) |
For Period |
|
kep:DeductibleTemporaryDifferencesAndUnusedTaxLossesAndUnusedTaxCreditsForWhichNoDeferredTaxAssetIsRecognised |
| 745 |
23420100 - Disclosure - Assets Held-for-Sale (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/AssetsHeldforSaleTables |
| 746 |
Implied Table |
Table |
* |
* |
implied:Table |
| 747 |
Assets Held-for-Sale [Abstract] |
Abstract |
|
|
ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract |
| 748 |
Assets Held-for-Sale |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureTableOfNoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleExplanatory |
| 749 |
23430100 - Disclosure - Expenses Classified by Nature (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/ExpensesClassifiedByNatureTables |
| 750 |
Implied Table |
Table |
* |
* |
implied:Table |
| 751 |
Expenses Classified by Nature [Abstract] |
Abstract |
|
|
ifrs-full:ExpenseByNatureAbstract |
| 752 |
Expenses Classified by Nature |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureTableOfExpensesByNatureExplanatory |
| 753 |
23440100 - Disclosure - Earnings per share (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/EarningsPerShareTables |
| 754 |
Implied Table |
Table |
* |
* |
implied:Table |
| 755 |
Earnings per share [Abstract] |
Abstract |
|
|
ifrs-full:EarningsPerShareAbstract |
| 756 |
Basic earnings per share |
Concept (Text Block (HTML)) |
For Period |
|
kep:BasicEarningsPerShareExplanatory |
| 757 |
Diluted earnings per share |
Concept (Text Block (HTML)) |
For Period |
|
kep:DilutedEarningsPerShareExplanatory |
| 758 |
Calculation of Basic earnings per share |
Concept (Text Block (HTML)) |
For Period |
|
kep:CalculationOfBasicEarningsPerShareExplanatory |
| 759 |
Calculation of Diluted earnings per share |
Concept (Text Block (HTML)) |
For Period |
|
kep:CalculationOfDilutedEarningsPerShareExplanatory |
| 760 |
23450100 - Disclosure - Risk Management (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/RiskManagementTables |
| 761 |
Implied Table |
Table |
* |
* |
implied:Table |
| 762 |
Risk Management [Abstract] |
Abstract |
|
|
kep:DisclosureOfRiskManagementAbstract |
| 763 |
Capital risk management |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfCapitalRiskExplanatory |
| 764 |
Credit risk management |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfCreditRiskExplanatory |
| 765 |
Sensitivity analysis of Defined benefit obligation |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfAnalysisOfPresentValueOfDefinedBenefitObligationThatDistinguishesNatureCharacteristicsAndRisksExplanatory |
| 766 |
Changes in provisions due to movements in underlying assumptions |
Concept (Text Block (HTML)) |
For Period |
|
kep:ChangesInProvisionsDueToMovementsInUnderlyingAssumptionsExplanatory |
| 767 |
Sensitivity analysis of Provisions due to movements in underlying assumptions |
Concept (Text Block (HTML)) |
For Period |
|
kep:SensitivityAnalysisOfProvisionsDueToMovementsInUnderlyingAssumptionsExplanatory |
| 768 |
Foreign currency risk |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:ForeignCurrencyDisclosureTextBlock |
| 769 |
Sensitivity analysis of Foreign currency risk |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfEffectOfChangesInForeignExchangeRatesExplanatory |
| 770 |
Interest rate risk |
Concept (Text Block (HTML)) |
For Period |
|
kep:InterestRateRiskExplanatory |
| 771 |
Sensitivity analysis of Interest rate risk |
Concept (Text Block (HTML)) |
For Period |
|
kep:SensitivityAnalysisOfInterestRateRiskExplanatory |
| 772 |
Electricity rates risk |
Concept (Text Block (HTML)) |
For Period |
|
kep:ElectricityRateRiskExplanatory |
| 773 |
Details of maturities of non-derivative financial liabilities |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:MaturityAnalysisForNonderivativeFinancialLiabilities |
| 774 |
The expected maturities for non-derivative financial assets |
Concept (Text Block (HTML)) |
For Period |
|
kep:MaturityAnalysisForNonderivativeFinancialAssets |
| 775 |
Derivative liabilities classified by maturity periods which from reporting date to maturity date of contract |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:MaturityAnalysisForDerivativeFinancialLiabilities |
| 776 |
Fair value and book value of financial assets and liabilities |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFairValueOfFinancialInstrumentsExplanatory |
| 777 |
Interest rates used for determining fair value |
Concept (Text Block (HTML)) |
For Period |
|
ifrs-full:DisclosureOfFairValueMeasurementExplanatory |
| 778 |
Fair value hierarchy |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfFairValueHierarchyExplanatory |
| 779 |
Changes of financial assets and liabilities which are classified as level 3 |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfChangesOfFinancialInstrumentsWhichAreClassifiedAsLevel3Explanatory |
| 780 |
23460100 - Disclosure - Service Concession Arrangements (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/ServiceConcessionArrangementsTables |
| 781 |
Implied Table |
Table |
* |
* |
implied:Table |
| 782 |
Service Concession Arrangements [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfServiceConcessionArrangementsAbstract |
| 783 |
Gas Complex Thermal Power Plant at Ilijan, Philippines |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfServiceConcessionArrangementsGasComplexThermalPowerPlantAtIlijanPhilippinesExplanatory |
| 784 |
Hydroelectric Power Generation at Semangka, Indonesia |
Concept (Text Block (HTML)) |
For Period |
|
kep:DisclosureOfServiceConcessionArrangementsHydroelectricPowerGenerationAtSemangkaIndonesiaExplanatory |
| 785 |
23470100 - Disclosure - Related parties (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/RelatedPartiesTables |
| 786 |
Implied Table |
Table |
* |
* |
implied:Table |
| 787 |
Related Parties [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesAbstract |
| 788 |
Related Party Transactions |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:RelatedPartyTransactionsDisclosureTextBlock |
| 789 |
Receivables and payables arising from related party transactions |
Concept (Text Block (HTML)) |
For Period |
|
kep:ReceivablesAndPayablesArisingFromRelatedPartyTransactionsExplanatory |
| 790 |
Loans and others arising from related party transactions |
Concept (Text Block (HTML)) |
For Period |
|
kep:LoansAndOthersArisingFromRelatedPartyTransactionsExplanatory |
| 791 |
Borrowings arising from related party transactions |
Concept (Text Block (HTML)) |
For Period |
|
kep:BorrowingsArisingFromRelatedPartyTransactionsExplanatory |
| 792 |
Guarantees provided to associates or joint ventures |
Concept (Text Block (HTML)) |
For Period |
|
kep:GuaranteesProvidedToAssociatesOrJointVenturesExplanatory |
| 793 |
Derivatives transactions with related parties |
Concept (Text Block (HTML)) |
For Period |
|
kep:DerivativesTransactionsWithRelatedPartiesExplanatory |
| 794 |
Salaries and other compensations to the key members of management of the Company |
Concept (Text Block (HTML)) |
For Period |
|
kep:SalariesAndOtherCompensationsToTheKeyMembersOfManagementOfTheCompanyExplanatory |
| 795 |
23480100 - Disclosure - Non-Cash Transactions (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/NonCashTransactionsTables |
| 796 |
Implied Table |
Table |
* |
* |
implied:Table |
| 797 |
Non-Cash Transactions [Abstract] |
Abstract |
|
|
us-gaap:CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract |
| 798 |
Significant non-cash activities |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:ScheduleOfOtherSignificantNoncashTransactionsTextBlock |
| 799 |
23490100 - Disclosure - Commitments for Expenditure (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/CommitmentsForExpenditureTables |
| 800 |
Implied Table |
Table |
* |
* |
implied:Table |
| 801 |
Commitments for Expenditure [Abstract] |
Abstract |
|
|
kep:DisclosureOfCommitmentsForExpenditureAbstract |
| 802 |
Commitments for acquisition of property, plant and equipment |
Concept (Text Block (HTML)) |
For Period |
|
kep:CommitmentsForAcquisitionOfPropertyPlantAndEquipmentExplanatory |
| 803 |
Commitments for inventory purchase |
Concept (Text Block (HTML)) |
For Period |
|
kep:CommitmentsForInventoryPurchaseExplanatory |
| 804 |
23500100 - Disclosure - Contingencies and Commitments (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/ContingenciesAndCommitmentsTables |
| 805 |
Implied Table |
Table |
* |
* |
implied:Table |
| 806 |
Contingencies and Commitments [Abstract] |
Abstract |
|
|
us-gaap:CommitmentsAndContingenciesDisclosureAbstract |
| 807 |
Ongoing litigations related with contingent liabilities and contingent assets |
Concept (Text Block (HTML)) |
For Period |
|
kep:LitigationsExplanatory |
| 808 |
Credit lines provided by financial institutions |
Concept (Text Block (HTML)) |
For Period |
|
kep:CommitmentsOnCreditLinesExplanatory |
| 809 |
Blank check and assets provided as collaterals or pledges to financial institutions by the Company |
Concept (Text Block (HTML)) |
For Period |
|
kep:BlankCheckAndAssetsProvidedAsCollateralsOrPledgesToFinancialInstitutionsByTheCompanyExplanatory |
| 810 |
23510100 - Disclosure - Subsequent Events (Tables) |
Network |
* |
* |
http://www.kepco.co.kr/role/SubsequentEventsTables |
| 811 |
Implied Table |
Table |
* |
* |
implied:Table |
| 812 |
Subsequent Events [Abstract] |
Abstract |
|
|
us-gaap:SubsequentEventsAbstract |
| 813 |
Subsequent Events |
Concept (Text Block (HTML)) |
For Period |
|
us-gaap:ScheduleOfSubsequentEventsTextBlock |
| 814 |
24010100 - Disclosure - General Information (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/GeneralInformationDetails |
| 815 |
Implied Table |
Table |
* |
* |
implied:Table |
| 816 |
Reporting Entity (Description of the controlling company) [Abstract] |
Abstract |
|
|
kep:DisclosureOfNotesAndOtherExplanatoryInformationAbstract |
| 817 |
Name of reporting entity or other means of identification |
Concept (Text/String) |
For Period |
|
ifrs-full:NameOfReportingEntityOrOtherMeansOfIdentification |
| 818 |
Name of parent entity |
Concept (Text/String) |
For Period |
|
ifrs-full:NameOfParentEntity |
| 819 |
Entity Incorporation, Date of Incorporation |
Concept (Text/String) |
For Period |
|
kep:DescriptionOfEntityIncorporationDateOfIncorporation |
| 820 |
Description of nature of entity's operations and principal activities |
Concept (Text/String) |
For Period |
|
ifrs-full:DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities |
| 821 |
Country of incorporation |
Concept (Text/String) |
For Period |
|
ifrs-full:CountryOfIncorporation |
| 822 |
Information of listing on stock market |
Concept (Text/String) |
For Period |
|
kep:InformationOfListingOnStockMarket |
| 823 |
Address of registered office of entity |
Concept (Text/String) |
For Period |
|
ifrs-full:AddressOfRegisteredOfficeOfEntity |
| 824 |
Issued capital |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IssuedCapital |
| 825 |
24010200 - Disclosure - Shareholders Information (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ShareholdersInformationDetails |
| 826 |
Disclosure of shareholders information [Table] |
Table |
* |
* |
kep:DisclosureOfShareholdersInformationTable |
| 827 |
Entity's shareholders [Axis] |
Axis |
|
|
kep:EntitysShareholdersAxis |
| 828 |
Entity's shareholders [Domain] |
Member |
|
|
kep:EntitysShareholdersMember |
| 829 |
Government of the Republic of Korea [Member] |
Member |
|
|
kep:GovernmentOfTheRepublicOfKoreaMember |
| 830 |
Korea Development Bank [Member] |
Member |
|
|
kep:KoreaDevelopmentBankMember |
| 831 |
Foreign investors [Member] |
Member |
|
|
kep:ForeignInvestorsMember |
| 832 |
Other Shareholders [Member] |
Member |
|
|
kep:OtherShareholdersMember |
| 833 |
Disclosure of shareholders information [Line Items] |
LineItems |
|
|
kep:DisclosureOfShareholdersInformationLineItems |
| 834 |
Number of shares |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssuedAndFullyPaid |
| 835 |
Percentage of ownership |
Concept (Percent) |
As Of |
|
kep:PercentageOfOwnership |
| 836 |
24020100 - Disclosure - Explanation of initial application of IFRS 9 (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ExplanationOfInitialApplicationOfIFRS9Details |
| 837 |
Disclosure of Explanation of initial application of IFRS 9 [Table] |
Table |
* |
* |
kep:DisclosureOfExplanationOfInitialApplicationOfIFRS9Table |
| 838 |
Categories of financial assets based on IAS 39 [Axis] |
Axis |
|
|
kep:CategoriesOfFinancialAssetsBasedOnIAS39Axis |
| 839 |
Financial assets, category based on IAS 39 [Domain] |
Member |
|
|
kep:FinancialAssetsCategoryBasedOnIAS39Member |
| 840 |
Financial assets at FVTPL [Member] |
Member |
|
|
kep:FinancialAssetsAtFairValueThroughProfitOrLossCategoryBasedOnIAS39Member |
| 841 |
Loans and receivables [Member] |
Member |
|
|
ifrs-full:LoansAndReceivablesCategoryMember |
| 842 |
Available-for-sale financial assets [Member] |
Member |
|
|
ifrs-full:FinancialAssetsAvailableforsaleCategoryMember |
| 843 |
Held-to-maturity investments [Member] |
Member |
|
|
ifrs-full:HeldtomaturityInvestmentsCategoryMember |
| 844 |
Categories of financial assets based on IFRS 9 [Axis] |
Axis |
|
|
kep:CategoriesOfFinancialAssetsBasedOnIFRS9Axis |
| 845 |
Financial assets, category based on IFRS 9 [Domain] |
Member |
|
|
kep:FinancialAssetsCategoryBasedOnIFRS9Member |
| 846 |
FVOCI [Member] |
Member |
|
|
ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember |
| 847 |
Amortized cost [Member] |
Member |
|
|
ifrs-full:FinancialAssetsAtAmortisedCostCategoryMember |
| 848 |
FVTPL [Member] |
Member |
|
|
ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember |
| 849 |
Disclosure of Explanation of initial application of IFRS 9 [Line Items] |
LineItems |
|
|
kep:DisclosureOfExplanationOfInitialApplicationOfIFRS9LineItems |
| 850 |
Amount based on IFRS 9 |
Concept (Monetary) |
As Of |
Debit |
kep:FinancialAssetsExcludingDerivativeInstrumentsAmountBasedOnIFRS9 |
| 851 |
Amount based on IAS 39 |
Concept (Monetary) |
As Of |
Debit |
kep:FinancialAssetsExcludingDerivativeInstrumentsAmountBasedOnIAS39 |
| 852 |
24020200 - Disclosure - Impairment Explanation of initial application of IFRS 9 (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ImpairmentExplanationOfInitialApplicationOfIFRS9Details |
| 853 |
Disclosure of Impairment Explanation of initial application of IFRS 9 [Table] |
Table |
* |
* |
kep:DisclosureOfImpairmentExplanationOfInitialApplicationOfIFRS9Table |
| 854 |
Financial assets category [Axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialAssetsAxis |
| 855 |
Financial assets, category [Domain] |
Member |
|
|
ifrs-full:FinancialAssetsCategoryMember |
| 856 |
Trade and other receivables [Member] |
Member |
|
|
kep:TradeAndReceivablesCategoryMember |
| 857 |
Other financial assets [Member] |
Member |
|
|
kep:OtherFinancialAssetsMember |
| 858 |
Disclosure of Impairment Explanation of initial application of IFRS 9 [Line Items] |
LineItems |
|
|
kep:DisclosureOfImpairmentExplanationOfInitialApplicationOfIFRS9LineItems |
| 859 |
Impairment Amount based on IAS 39 |
Concept (Monetary) |
As Of |
Debit |
kep:FinancialAssetsExcludingDerivativeInstrumentsImpairmentAmountBasedOnIAS39 |
| 860 |
Impairment Amount based on IFRS 9 |
Concept (Monetary) |
As Of |
Debit |
kep:FinancialAssetsExcludingDerivativeInstrumentsImpairmentAmountBasedOnIFRS9 |
| 861 |
Impairment Amount Effect of initial application of IFRS 9 |
Concept (Monetary) |
As Of |
Credit |
kep:FinancialAssetsExcludingDerivativeInstrumentsImpairmentAmountEffectOfInitialApplicationOfIFRS9 |
| 862 |
24030100 - Disclosure - Significant Basis Of Preparation And Accounting Policies_Estimated economic useful lives for premises and equipment except for land (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/SignificantBasisOfPreparationAndAccountingPoliciesEstimatedEconomicUsefulLivesForPremisesAndEquipmentExceptForLandDetails |
| 863 |
Disclosure of useful life of property plant and equipment [Table] |
Table |
* |
* |
kep:DisclosureOfUsefulLifeOfPropertyPlantAndEquipmentTable |
| 864 |
Classes of property, plant and equipment [Axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 865 |
Property, plant and equipment [Domain] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 866 |
Buildings [Member] |
Member |
|
|
ifrs-full:BuildingsMember |
| 867 |
Structures [Member] |
Member |
|
|
ifrs-full:FixturesAndFittingsMember |
| 868 |
Machinery [Member] |
Member |
|
|
ifrs-full:MachineryMember |
| 869 |
Vehicles [Member] |
Member |
|
|
ifrs-full:VehiclesMember |
| 870 |
Loaded heavy water [Member] |
Member |
|
|
kep:LoadedHeavyWaterMember |
| 871 |
Asset retirement costs [Member] |
Member |
|
|
kep:RetirementsPropertyPlantAndEquipmentMember |
| 872 |
Finance lease assets [Member] |
Member |
|
|
us-gaap:AssetsHeldUnderCapitalLeasesMember |
| 873 |
Ships [Member] |
Member |
|
|
ifrs-full:ShipsMember |
| 874 |
Others [Member] |
Member |
|
|
ifrs-full:OtherPropertyPlantAndEquipmentMember |
| 875 |
Disclosure of useful life of property plant and equipment [Line Items] |
LineItems |
|
|
kep:DisclosureOfUsefulLifeOfPropertyPlantAndEquipmentLineItems |
| 876 |
Useful lives (years) |
Concept (Text/String) |
For Period |
|
ifrs-full:UsefulLivesOrDepreciationRatesPropertyPlantAndEquipment |
| 877 |
24030200 - Disclosure - Significant Basis Of Preparation And Accounting Policies_Estimated useful life for intangible assets (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/SignificantBasisOfPreparationAndAccountingPoliciesEstimatedUsefulLifeForIntangibleAssetsDetails |
| 878 |
Disclosure of intangible assets with indefinite useful life [Table] |
Table |
* |
* |
kep:DisclosureOfUsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillTable |
| 879 |
Classes of intangible assets and goodwill [Axis] |
Axis |
|
|
ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis |
| 880 |
Intangible assets and goodwill [Domain] |
Member |
|
|
ifrs-full:IntangibleAssetsAndGoodwillMember |
| 881 |
Usage rights for donated assets [Member] |
Member |
|
|
kep:UsageRightsOfDonatedAssetsAndOtherMember |
| 882 |
Software [Member] |
Member |
|
|
ifrs-full:ComputerSoftwareMember |
| 883 |
Industrial rights [Member] |
Member |
|
|
ifrs-full:CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember |
| 884 |
Development expenses [Member] |
Member |
|
|
ifrs-full:CapitalisedDevelopmentExpenditureMember |
| 885 |
Leasehold rights [Member] |
Member |
|
|
us-gaap:LeaseAgreementsMember |
| 886 |
Mining rights [Member] |
Member |
|
|
ifrs-full:MiningRightsMember |
| 887 |
Other intangible assets [Member] |
Member |
|
|
ifrs-full:OtherIntangibleAssetsMember |
| 888 |
Disclosure of intangible assets with indefinite useful life [Line Items] |
LineItems |
|
|
kep:DisclosureOfUsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwillLineItems |
| 889 |
Useful lives (years) |
Concept (Text/String) |
For Period |
|
ifrs-full:UsefulLivesOrAmortisationRatesIntangibleAssetsOtherThanGoodwill |
| 890 |
Amortization methods |
Concept (Text/String) |
For Period |
|
ifrs-full:AmortisationMethodIntangibleAssetsOtherThanGoodwill |
| 891 |
24040200 - Disclosure - Operating segments (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/OperatingSegmentsDetails |
| 892 |
Disclosure of operating segments [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfOperatingSegmentsTable |
| 893 |
Segment consolidation items [Axis] |
Axis |
|
|
ifrs-full:SegmentConsolidationItemsAxis |
| 894 |
Entity's total for segment consolidation items [Domain] |
Member |
|
|
ifrs-full:EntitysTotalForSegmentConsolidationItemsMember |
| 895 |
Operating segments [Member] |
Member |
|
|
ifrs-full:OperatingSegmentsMember |
| 896 |
Material reconciling items [Member] |
Member |
|
|
ifrs-full:MaterialReconcilingItemsMember |
| 897 |
Elimination of intersegment amounts [Member] |
Member |
|
|
ifrs-full:EliminationOfIntersegmentAmountsMember |
| 898 |
Equity method adjustment [Member] |
Member |
|
|
kep:EquityMethodAdjustmentMember |
| 899 |
Deferred taxes [Member] |
Member |
|
|
kep:DeferredTaxesAdjustmentMember |
| 900 |
Others [Member] |
Member |
|
|
kep:OthersAdjustmentMember |
| 901 |
Segments [Axis] |
Axis |
|
|
ifrs-full:SegmentsAxis |
| 902 |
Segments [Domain] |
Member |
|
|
ifrs-full:SegmentsMember |
| 903 |
Transmission and distribution [Member] |
Member |
|
|
kep:TransmissionAndDistributionMember |
| 904 |
Electric power generation (Nuclear) [Member] |
Member |
|
|
kep:ElectricPowerGenerationNuclearMember |
| 905 |
Electric power generation (Non-nuclear) [Member] |
Member |
|
|
kep:ElectricPowerGenerationNonNuclearMember |
| 906 |
Plant maintenance & engineering service [Member] |
Member |
|
|
kep:PlantMaintenanceEngineeringServiceMember |
| 907 |
Others [Member] |
Member |
|
|
ifrs-full:AllOtherSegmentsMember |
| 908 |
Disclosure of operating segments [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfOperatingSegmentsLineItems |
| 909 |
Total segment revenue |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 910 |
Intersegment revenue |
Concept (Monetary) |
For Period |
Credit |
kep:IntersegmentRevenue |
| 911 |
Revenue from external customers |
Concept (Monetary) |
For Period |
Credit |
kep:RevenueFromExternalCustomers |
| 912 |
Depreciation and amortisation |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DepreciationAndAmortisationExpense |
| 913 |
Interest income |
Concept (Monetary) |
For Period |
Credit |
us-gaap:InterestIncomeOther |
| 914 |
Interest expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:InterestExpense |
| 915 |
Employee benefit expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:PostemploymentBenefitExpenseDefinedBenefitPlans |
| 916 |
Loss on abandonment of property, plant and equipment |
Concept (Monetary) |
For Period |
Debit |
kep:LossOnAbandonmentOfPropertyPlantAndEquipment |
| 917 |
Increase in provisions, net |
Concept (Monetary) |
For Period |
Debit |
kep:IncreaseDecreaseInProvisionsRelatedToCostOfSalesAndSellingGeneralAndAdministrativeExpenseAndOtherIncomeAndOtherExpensesAndOtherGainsLosses |
| 918 |
Operating profit (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossFromOperatingActivities |
| 919 |
Finance income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:FinanceIncome |
| 920 |
Finance expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:FinanceCosts |
| 921 |
Profit (loss) related to associates and joint ventures |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfProfitLossOfAssociatesAndJointVenturesAccountedForUsingEquityMethod |
| 922 |
Profit before income tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
| 923 |
Segment assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Assets |
| 924 |
Investments in associates and joint ventures |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentAccountedForUsingEquityMethod |
| 925 |
Acquisition of non-current assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionsToNoncurrentAssets |
| 926 |
Segment liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Liabilities |
| 927 |
24040400 - Disclosure - Geographical areas (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/GeographicalAreasDetails |
| 928 |
Disclosure of geographical areas [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfGeographicalAreasTable |
| 929 |
Geographical areas [Axis] |
Axis |
|
|
ifrs-full:GeographicalAreasAxis |
| 930 |
Geographical areas [Domain] |
Member |
|
|
ifrs-full:GeographicalAreasMember |
| 931 |
Domestic [Member] |
Member |
|
|
ifrs-full:CountryOfDomicileMember |
| 932 |
Overseas [Member] |
Member |
|
|
ifrs-full:ForeignCountriesMember |
| 933 |
Disclosure of geographical areas [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfGeographicalAreasLineItems |
| 934 |
Revenue [Abstract] |
Abstract |
|
|
ifrs-full:RevenueAbstract |
| 935 |
Electricity |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromSaleOfElectricity |
| 936 |
Heat supply |
Concept (Monetary) |
For Period |
Credit |
kep:RevenueFromSaleOfGoodsHeatSupply |
| 937 |
Others |
Concept (Monetary) |
For Period |
Credit |
kep:RevenueFromSaleOfGoodsOthers |
| 938 |
Sales of goods |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromSaleOfGoods |
| 939 |
Sales of services |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromRenderingOfServices |
| 940 |
Sales of construction services |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromConstructionContracts |
| 941 |
Total revenue from external customers |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:Revenue |
| 942 |
Non-current assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAssetsOtherThanFinancialInstrumentsDeferredTaxAssetsPostemploymentBenefitAssetsAndRightsArisingUnderInsuranceContracts |
| 943 |
24050100 - Disclosure - Classification of Financial Instruments - Classification of financial assets (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ClassificationOfFinancialInstrumentsClassificationOfFinancialAssetsDetails |
| 944 |
Disclosure of Classification by categories of financial assets [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialAssetsTable |
| 945 |
Financial assets category [Axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialAssetsAxis |
| 946 |
Financial assets, category [Domain] |
Member |
|
|
ifrs-full:FinancialAssetsCategoryMember |
| 947 |
Financial assets at fair value through profit or loss [Member] |
Member |
|
|
ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember |
| 948 |
Loans and receivables [Member] |
Member |
|
|
ifrs-full:LoansAndReceivablesCategoryMember |
| 949 |
Financial assets available-for-sale [Member] |
Member |
|
|
ifrs-full:FinancialAssetsAvailableforsaleCategoryMember |
| 950 |
Held-to-maturity investments [Member] |
Member |
|
|
ifrs-full:HeldtomaturityInvestmentsCategoryMember |
| 951 |
Derivative assets (using hedge accounting) [Member] |
Member |
|
|
ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember |
| 952 |
Disclosure of Classification by categories of financial assets [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialAssetsLineItems |
| 953 |
Cash and cash equivalents |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 954 |
Categories of current financial assets [Abstract] |
Abstract |
|
|
ifrs-full:CategoriesOfCurrentFinancialAssetsAbstract |
| 955 |
Held-to-maturity investments |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentHeldtomaturityInvestments |
| 956 |
Derivative assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentDerivativeFinancialAssets |
| 957 |
Other financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinancialAssetsAtAmortisedCost |
| 958 |
Trade and other receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentLoansAndReceivables |
| 959 |
Total current financial assets And Cash and cash equivalents |
Concept (Monetary) |
As Of |
Debit |
kep:CurrentFinancialAssetsAndCashAndCashEquivalents |
| 960 |
Non-Financial Assets [Abstract] |
Abstract |
|
|
ifrs-full:CategoriesOfNoncurrentFinancialAssetsAbstract |
| 961 |
Available-for-sale financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentFinancialAssetsAvailableforsale |
| 962 |
Held-to-maturity investments |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentHeldtomaturityInvestments |
| 963 |
Derivative assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentDerivativeFinancialAssets |
| 964 |
Other financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentFinancialAssetsAtAmortisedCost |
| 965 |
Trade and other receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentLoansAndReceivables |
| 966 |
Total non-current financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentFinancialAssets |
| 967 |
Total financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssets |
| 968 |
24050200 - Disclosure - Classification of Financial Instruments - Classification of financial liabilities (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ClassificationOfFinancialInstrumentsClassificationOfFinancialLiabilitiesDetails |
| 969 |
Disclosure of Classification by categories of financial liabilities [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialLiabilitiesTable |
| 970 |
Financial liabilities category [Axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialLiabilitiesAxis |
| 971 |
Financial liabilities, category [Domain] |
Member |
|
|
ifrs-full:FinancialLiabilitiesCategoryMember |
| 972 |
Financial liabilities at fair value through profit or loss [Member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember |
| 973 |
Financial liabilities recognized at amortized cost [Member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesAtAmortisedCostCategoryMember |
| 974 |
Derivative liabilities (using hedge accounting) [Member] |
Member |
|
|
ifrs-full:HedgingInstrumentsMember |
| 975 |
Disclosure of Classification by categories of financial liabilities [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialLiabilitiesLineItems |
| 976 |
Categories of current financial liabilities [Abstract] |
Abstract |
|
|
ifrs-full:CategoriesOfCurrentFinancialLiabilitiesAbstract |
| 977 |
Borrowings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings |
| 978 |
Debt securities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentDebtInstrumentsIssued |
| 979 |
Derivative liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentDerivativeFinancialLiabilities |
| 980 |
Trade and other payables |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherCurrentPayables |
| 981 |
Total current financial liabilities |
Concept (Monetary) |
As Of |
Credit |
kep:CurrentFinancialLiabilitiesAndTradeAndOtherCurrent |
| 982 |
Categories of non-current financial liabilities [Abstract] |
Abstract |
|
|
ifrs-full:CategoriesOfNoncurrentFinancialLiabilitiesAbstract |
| 983 |
Borrowings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LongtermBorrowings |
| 984 |
Debt securities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentDebtInstrumentsIssued |
| 985 |
Derivative liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentDerivativeFinancialLiabilities |
| 986 |
Trade and other payables |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentPayables |
| 987 |
Total non-current financial liabilities |
Concept (Monetary) |
As Of |
Credit |
kep:NoncurrentFinancialLiabilitiesAndNoncurrentPayables |
| 988 |
Total financial liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinancialLiabilities |
| 989 |
24050300 - Disclosure - Classification of Financial Instruments - Classification of comprehensive income (loss) from financial instruments (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ClassificationOfFinancialInstrumentsClassificationOfComprehensiveIncomeLossFromFinancialInstrumentsDetails |
| 990 |
Disclosure of Classification of comprehensive income (loss) from financial instruments [Table] |
Table |
* |
* |
kep:DisclosureOfClassificationOfComprehensiveIncomeLossFromFinancialinstrumentsTable |
| 991 |
Categories of financial instruments [Axis] |
Axis |
|
|
kep:CategoriesOfFinancialInstrumentsAxis |
| 992 |
Categories of financial instruments [Domain] |
Member |
|
|
kep:CategoriesOfFinancialInstrumentsMember |
| 993 |
Financial assets, category [Member] |
Member |
|
|
ifrs-full:FinancialAssetsCategoryMember |
| 994 |
Cash and Cash Equivalents [Member] |
Member |
|
|
us-gaap:CashAndCashEquivalentsMember |
| 995 |
Financial assets available-for-sale [Member] |
Member |
|
|
ifrs-full:FinancialAssetsAvailableforsaleCategoryMember |
| 996 |
Held-to-maturity investments [Member] |
Member |
|
|
ifrs-full:HeldtomaturityInvestmentsCategoryMember |
| 997 |
Loans and receivables [Member] |
Member |
|
|
ifrs-full:LoansAndReceivablesCategoryMember |
| 998 |
Trade and other receivables [Member] |
Member |
|
|
ifrs-full:TradeReceivablesMember |
| 999 |
Short-term financial instruments [Member] |
Member |
|
|
kep:ShortTermFinancialInstrumentsMember |
| 1000 |
Long-term financial instruments [Member] |
Member |
|
|
kep:LongTermFinancialInstrumentsMember |
| 1001 |
Financial assets at fair value through profit or loss [Member] |
Member |
|
|
ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember |
| 1002 |
Derivative assets (using hedge accounting) [Member] |
Member |
|
|
ifrs-full:FinancialAssetsAtFairValueThroughOtherComprehensiveIncomeCategoryMember |
| 1003 |
Financial liabilities, category [Member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesCategoryMember |
| 1004 |
Financial liabilities recognized at amortized cost [Member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesAtAmortisedCostCategoryMember |
| 1005 |
Financial liabilities at fair value through profit or loss [Member] |
Member |
|
|
ifrs-full:FinancialLiabilitiesAtFairValueThroughProfitOrLossCategoryMember |
| 1006 |
Derivative liabilities (using hedge accounting) [Member] |
Member |
|
|
ifrs-full:HedgingInstrumentsMember |
| 1007 |
Disclosure of Classification of comprehensive income (loss) from financial instruments [Line Items] |
LineItems |
|
|
kep:DisclosureOfClassificationOfComprehensiveIncomeLossFromFinancialinstrumentsLineItems |
| 1008 |
Income, expense, gains or losses of financial instruments [Abstract] |
Abstract |
|
|
ifrs-full:IncomeExpenseGainsOrLossesOfFinancialInstrumentsAbstract |
| 1009 |
Interest income |
Concept (Monetary) |
For Period |
Credit |
us-gaap:InterestIncomeOther |
| 1010 |
Dividend income |
Concept (Monetary) |
For Period |
Credit |
us-gaap:InvestmentIncomeDividend |
| 1011 |
Impairment of available-for-sale financial assets |
Concept (Monetary) |
For Period |
|
kep:ImpairmentLossesOnAvailableForSaleFinancialAssets |
| 1012 |
Gain (loss) on disposal of available-for-sale financial assets |
Concept (Monetary) |
For Period |
Credit |
us-gaap:AvailableForSaleSecuritiesGrossRealizedGainLossNet |
| 1013 |
Gain (loss) on valuation of derivatives |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnChangeInFairValueOfDerivatives |
| 1014 |
Gain (loss) on transaction of derivatives |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:TradingIncomeExpenseOnDerivativeFinancialInstruments |
| 1015 |
Gain (loss) on valuation of derivatives (equity, before tax) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnHedgingInstrumentsThatHedgeInvestmentsInEquityInstruments |
| 1016 |
Gain on valuation of financial assets |
Concept (Monetary) |
For Period |
Credit |
kep:GainsOnFinancialAssetsAtFairValueThroughProfitOrLoss |
| 1017 |
Interest expense of borrowings and debt securities |
Concept (Monetary) |
For Period |
Debit |
kep:InterestExpenseOfBorrowingsAndDebtSecurities |
| 1018 |
Interest expense of trade and other payables |
Concept (Monetary) |
For Period |
Debit |
kep:InterestExpenseOnTradeAndOtherPayables |
| 1019 |
Interest expense of others |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:InterestExpenseOnOtherFinancialLiabilities |
| 1020 |
Loss on retirement of financial liabilities |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:TradingIncomeExpenseOnDebtInstruments |
| 1021 |
Gain (loss) on foreign currency transactions and translations |
Concept (Monetary) |
For Period |
Credit |
kep:GainLossOnForeignCurrencyTransactionsAndTranslations |
| 1022 |
24060000 - Disclosure - Restricted Deposits (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/RestrictedDepositsDetails |
| 1023 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1024 |
Restricted Deposits [Abstract] |
Abstract |
|
|
us-gaap:RestrictedCashAndInvestmentsAbstract |
| 1025 |
Restricted Cash and Cash Equivalents, Current [Abstract] |
Abstract |
|
|
us-gaap:RestrictedCashAndCashEquivalentsCurrentAbstract |
| 1026 |
Escrow accounts |
Concept (Monetary) |
As Of |
Debit |
us-gaap:EscrowDeposit |
| 1027 |
Deposits for government project |
Concept (Monetary) |
As Of |
Debit |
kep:RestrictedCashDepositsForGovernmentProject |
| 1028 |
Collateral provided for borrowings |
Concept (Monetary) |
As Of |
Debit |
kep:RestrictedCashCollateralProvidedForBorrowings |
| 1029 |
Collateral provided for lawsuit |
Concept (Monetary) |
As Of |
Debit |
kep:RestrictedCashCollateralProvidedForLawsuit |
| 1030 |
Deposits for transmission regional support program |
Concept (Monetary) |
As Of |
Debit |
kep:RestrictedCashDepositsForTransmissionRegionalSupportProgram |
| 1031 |
Non-current available-for-sale financial asset [Abstract] |
Abstract |
|
|
kep:RestrictedNoncurrentAvailableforsaleFinancialAssetAbstract |
| 1032 |
Decommissioning costs of nuclear power plants |
Concept (Monetary) |
As Of |
Debit |
kep:RestrictedNoncurrentAvailableforsaleFinancialAssetDecommissioningCostsOfNuclearPowerPlants |
| 1033 |
Short-term financial instruments [Abstract] |
Abstract |
|
|
kep:RestrictedShorttermFinancialInstrumentsAbstract |
| 1034 |
Bidding guarantees |
Concept (Monetary) |
As Of |
Debit |
kep:RestrictedBiddingGuarantees |
| 1035 |
Restriction on withdrawal related to 'win-win growth program' for small and medium enterprises |
Concept (Monetary) |
As Of |
Debit |
kep:RestrictionOnWithdrawalRelatedToWinwinGrowthProgramForSmallAndMediumEnterprises |
| 1036 |
Other current receivables [Abstract] |
Abstract |
|
|
kep:RestrictedOtherCurrentReceivablesAbstract |
| 1037 |
Deposit for lawsuit |
Concept (Monetary) |
As Of |
Debit |
kep:RestrictedDepositForLawsuit |
| 1038 |
Financial assets at fair value through profit or loss [Abstract] |
Abstract |
|
|
kep:RestrictedFinancialAssetsAtFairValueThroughProfitOrLossAbstract |
| 1039 |
Decommissioning costs of nuclear power plants |
Concept (Monetary) |
As Of |
Debit |
kep:RestrictedDecommissioningCostsOfNuclearPower |
| 1040 |
Long-term financial instruments [Abstract] |
Abstract |
|
|
kep:RestrictedLongtermFinancialInstruentsAbstract |
| 1041 |
Guarantee deposits for checking account |
Concept (Monetary) |
As Of |
Debit |
kep:RestrictedGuaranteeDepositsForCheckingAccount |
| 1042 |
Guarantee deposits for banking accounts at oversea branches |
Concept (Monetary) |
For Period |
Debit |
kep:RestrictedGuaranteeDepositsForBankingAccountsAtOverseaBranches |
| 1043 |
Decommissioning costs of nuclear power plants |
Concept (Monetary) |
As Of |
Debit |
kep:RestrictedLongtermFinancialInstrumentsDecommissioningCostsOfNuclearPowerPlants |
| 1044 |
Funds for developing small and medium enterprises |
Concept (Monetary) |
As Of |
Debit |
kep:RestrictedFundsForDevelopingSmallAndMediumEnterprises |
| 1045 |
Total Restricted Deposits |
Concept (Monetary) |
As Of |
Debit |
us-gaap:RestrictedCashAndInvestments |
| 1046 |
24070000 - Disclosure - Cash and Cash Equivalents (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/CashAndCashEquivalentsDetails |
| 1047 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1048 |
Cash and Cash Equivalents [Abstract] |
Abstract |
|
|
ifrs-full:CashAndCashEquivalentsAbstract |
| 1049 |
Total cash |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Cash |
| 1050 |
Demand Deposit Accounts |
Concept (Monetary) |
As Of |
Credit |
us-gaap:DemandDepositAccounts |
| 1051 |
Short-term deposits, classified as cash equivalents |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:ShorttermDepositsClassifiedAsCashEquivalents |
| 1052 |
Short-term investments, classified as cash equivalents |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:ShorttermInvestmentsClassifiedAsCashEquivalents |
| 1053 |
Total cash and cash equivalents |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 1054 |
24080100 - Disclosure - Trade and Other Receivables - Trade and other receivables (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/TradeAndOtherReceivablesTradeAndOtherReceivablesDetails |
| 1055 |
Trade and Other Receivables [Table] |
Table |
* |
* |
kep:TradeAndOtherReceivablesTable |
| 1056 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [Axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1057 |
Carrying amount [Domain] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1058 |
Gross amount [Member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 1059 |
Allowance for Doubtful Accounts [Member] |
Member |
|
|
us-gaap:AllowanceForDoubtfulAccountsMember |
| 1060 |
Present value discount [Member] |
Member |
|
|
kep:PresentValueDiscountMember |
| 1061 |
Trade and Other Receivables [Line Items] |
LineItems |
|
|
kep:TradeAndOtherReceivablesLineItems |
| 1062 |
Trade and other current receivables [Abstract] |
Abstract |
|
|
ifrs-full:TradeAndOtherCurrentReceivablesAbstract |
| 1063 |
Trade receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentTradeReceivables |
| 1064 |
Other receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherCurrentReceivables |
| 1065 |
Non-trade receivables |
Concept (Monetary) |
As Of |
Debit |
kep:CurrentOtherReceivablesNontrade |
| 1066 |
Accrued income |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentAccruedIncome |
| 1067 |
Deposits |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:ShorttermDepositsNotClassifiedAsCashEquivalents |
| 1068 |
Finance lease receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentFinanceLeaseReceivables |
| 1069 |
Others |
Concept (Monetary) |
As Of |
Debit |
kep:OtherCurrentReceivablesOthers |
| 1070 |
Subtotal of current tade and other receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeAndOtherCurrentReceivables |
| 1071 |
Trade and other non-current receivables [Abstract] |
Abstract |
|
|
ifrs-full:NoncurrentReceivablesAbstract |
| 1072 |
Trade receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentTradeReceivables |
| 1073 |
Other non-current receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherNoncurrentReceivables |
| 1074 |
Non-trade receivables |
Concept (Monetary) |
As Of |
Debit |
kep:NoncurrentOtherReceivablesNontrade |
| 1075 |
Accrued income |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAccruedIncome |
| 1076 |
Deposits |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:LongtermDeposits |
| 1077 |
Finance lease receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentFinanceLeaseReceivables |
| 1078 |
Others |
Concept (Monetary) |
As Of |
Debit |
kep:OtherNoncurrentReceivablesOthers |
| 1079 |
Subtotal of non-current tade and other receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentReceivables |
| 1080 |
Total trade and other receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeAndOtherReceivables |
| 1081 |
24080200 - Disclosure - Trade and Other Receivables - Other receivables (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/TradeAndOtherReceivablesOtherReceivablesDetails |
| 1082 |
Trade and Other Receivables [Table] |
Table |
* |
* |
kep:TradeAndOtherReceivablesTable |
| 1083 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [Axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1084 |
Trade and Other Receivables (Carrying Amount) [Domain] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1085 |
Gross amount [Member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 1086 |
Trade and Other receivables: (not overdue, not impaired) [Member] |
Member |
|
|
kep:TradeAndOtherReceivablesNotImpairedNotOverdueMember |
| 1087 |
Current [Member] |
Member |
|
|
ifrs-full:OnDemandMember |
| 1088 |
Trade and Other receivables: (overdue, not impaired) [Member] |
Member |
|
|
kep:TradeAndOtherReceivablesNotImpairedOverdueMember |
| 1089 |
Less than 60 days [Member] |
Member |
|
|
kep:NotLaterThanTwoMonthsMember |
| 1090 |
Trade and Other receivables: (impairment reviewed) [Member] |
Member |
|
|
kep:TadeAndOtherReceivablesImpairedMember |
| 1091 |
60 ~ 90 days [Member] |
Member |
|
|
ifrs-full:LaterThanTwoMonthsAndNotLaterThanThreeMonthsMember |
| 1092 |
90 ~ 120 days [Member] |
Member |
|
|
ifrs-full:LaterThanThreeMonthsAndNotLaterThanFourMonthsMember |
| 1093 |
120 days ~ 1year [Member] |
Member |
|
|
kep:LaterThanFourMonthsAndNotLaterThanOneYearMember |
| 1094 |
Over 1 year [Member] |
Member |
|
|
ifrs-full:LaterThanOneYearMember |
| 1095 |
Less: Allowance for doubtful accounts [Member] |
Member |
|
|
us-gaap:AllowanceForDoubtfulAccountsMember |
| 1096 |
Less: Present value discount [Member] |
Member |
|
|
kep:PresentValueDiscountOfTradeAndOtherReceivablesMember |
| 1097 |
Trade and Other Receivables [Line Items] |
LineItems |
|
|
kep:TradeAndOtherReceivablesLineItems |
| 1098 |
Trade receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:TradeReceivables |
| 1099 |
Other receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherReceivables |
| 1100 |
24080300 - Disclosure - Trade and Other Receivables - Changes in the allowance for doubtful accounts (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/TradeAndOtherReceivablesChangesInTheAllowanceForDoubtfulAccountsDetails |
| 1101 |
Reconciliation of changes in allowance account for credit losses of financial assets [Table] |
Table |
* |
* |
kep:ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsTable |
| 1102 |
Classes of financial instruments [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialInstrumentsAxis |
| 1103 |
Financial instruments, class [Domain] |
Member |
|
|
ifrs-full:ClassesOfFinancialInstrumentsMember |
| 1104 |
Trade receivables [Member] |
Member |
|
|
ifrs-full:TradeReceivablesMember |
| 1105 |
Other receivables [Member] |
Member |
|
|
kep:OtherReceivablesMember |
| 1106 |
Reconciliation of changes in allowance account for credit losses of financial assets [Line Items] |
LineItems |
|
|
kep:ReconciliationOfChangesInAllowanceAccountForCreditLossesOfFinancialAssetsLineItems |
| 1107 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets |
| 1108 |
Changes in allowance account for credit losses of financial assets [abstract] |
Abstract |
|
|
ifrs-full:ChangesInAllowanceAccountForCreditLossesOfFinancialAssetsAbstract |
| 1109 |
Bad debt expense |
Concept (Monetary) |
For Period |
|
ifrs-full:AdditionalAllowanceRecognisedInProfitOrLossAllowanceAccountForCreditLossesOfFinancialAssets |
| 1110 |
Write-off |
Concept (Monetary) |
For Period |
Debit |
us-gaap:AllowanceForDoubtfulAccountsReceivableWriteOffs |
| 1111 |
Reversal |
Concept (Monetary) |
For Period |
|
ifrs-full:ReversalAllowanceAccountForCreditLossesOfFinancialAssets |
| 1112 |
Others |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughOtherChangesAllowanceAccountForCreditLossesOfFinancialAssets |
| 1113 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AllowanceAccountForCreditLossesOfFinancialAssets |
| 1114 |
24090100 - Disclosure - Changes in available-for-sale financial assets (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ChangesInAvailableforsaleFinancialAssetsDetails |
| 1115 |
Changes in available-for-sale financial assets [Table] |
Table |
* |
* |
kep:ChangesInAvailableForSaleFinancialAssetsTable |
| 1116 |
Financial assets category [Axis] |
Axis |
|
|
ifrs-full:CategoriesOfFinancialAssetsAxis |
| 1117 |
Financial assets, category [Domain] |
Member |
|
|
ifrs-full:FinancialAssetsCategoryMember |
| 1118 |
Listed equity securities [Member] |
Member |
|
|
ifrs-full:TradingEquitySecuritiesMember |
| 1119 |
Unlisted equity securities [Member] |
Member |
|
|
ifrs-full:OtherEquitySecuritiesMember |
| 1120 |
Changes in available-for-sale financial assets [Line Items] |
LineItems |
|
|
kep:ChangesInAvailableForSaleFinancialAssetsLineItems |
| 1121 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
us-gaap:AvailableForSaleSecuritiesEquitySecurities |
| 1122 |
Acquisition |
Concept (Monetary) |
For Period |
Debit |
kep:AcquisitionsAvailableForSaleSecuritiesEquitySecurities |
| 1123 |
Disposal |
Concept (Monetary) |
For Period |
Credit |
kep:DisposalsAvailableForSaleSecuritiesEquitySecurities |
| 1124 |
Valuation |
Concept (Monetary) |
For Period |
Debit |
kep:ValuationsOfAvailableForSaleSecuritiesEquitySecurities |
| 1125 |
Impairment |
Concept (Monetary) |
For Period |
|
kep:ImpairmentLossesOnAvailableForSaleFinancialAssets |
| 1126 |
Others |
Concept (Monetary) |
For Period |
Debit |
kep:OtherIncreaseDecreaseInAvailableForSaleFinancialAssets |
| 1127 |
Ending Balance |
Concept (Monetary) |
As Of |
Debit |
us-gaap:AvailableForSaleSecuritiesEquitySecurities |
| 1128 |
24090200 - Disclosure - Available-for-sale Financial Assets (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/AvailableForSaleFinancialAssetsDetails |
| 1129 |
Available-for-sale financial assets [Table] |
Table |
* |
* |
kep:AvailableForSaleFinancialAssetsTable |
| 1130 |
Classes of assets [Axis] |
Axis |
|
|
ifrs-full:ClassesOfAssetsAxis |
| 1131 |
Assets [Domain] |
Member |
|
|
ifrs-full:ClassesOfAssetsMember |
| 1132 |
Listed equity securities [Member] |
Member |
|
|
ifrs-full:TradingEquitySecuritiesMember |
| 1133 |
Korea District Heating Corp. [Member] |
Member |
|
|
kep:KoreaDistrictHeatingMember |
| 1134 |
Ssangyong Motor Co., Ltd. [Member] |
Member |
|
|
kep:SsangyongMotorMember |
| 1135 |
Sungjee Construction. Co., Ltd. [Member] |
Member |
|
|
kep:SungjeeConstructionMember |
| 1136 |
Korea Line Corp. [Member] |
Member |
|
|
kep:KoreaLineMember |
| 1137 |
Namkwang Engineering & Construction Co., Ltd. [Member] |
Member |
|
|
kep:NamkwangEngineeringConstructionMember |
| 1138 |
Pumyang Construction Co., Ltd. [Member] |
Member |
|
|
kep:PumyangConstructionMember |
| 1139 |
ELCOMTEC Co., Ltd. [Member] |
Member |
|
|
kep:ELCOMTECMember |
| 1140 |
PAN ocean Co., Ltd. [Member] |
Member |
|
|
kep:PANoceanMember |
| 1141 |
Borneo International Furniture Co., Ltd. [Member] |
Member |
|
|
kep:BorneoInternationalFurnitureListedMember |
| 1142 |
Dongbu Corporation [Member] |
Member |
|
|
kep:DongbuMember |
| 1143 |
KSP Co., Ltd. [Member] |
Member |
|
|
kep:KSPMember |
| 1144 |
STX Heavy Industries Co., Ltd. [Member] |
Member |
|
|
kep:STXHeavyIndustriesMember |
| 1145 |
PT Adaro Energy Tbk [Member] |
Member |
|
|
kep:PTAdaroEnergyTbkMember |
| 1146 |
Energy Fuels Inc. [Member] |
Member |
|
|
kep:EnergyFuelsIncMember |
| 1147 |
Baralaba Coal Company Limited [Member] |
Member |
|
|
kep:BaralabaCoalMember |
| 1148 |
Denison Mines Corp. [Member] |
Member |
|
|
kep:DenisonMinesMember |
| 1149 |
Fission 3.0 [Member] |
Member |
|
|
kep:Fission30Member |
| 1150 |
Fission Uranium Corp. [Member] |
Member |
|
|
kep:FissionUraniumMember |
| 1151 |
Unlisted equity securities [Member] |
Member |
|
|
ifrs-full:OtherEquitySecuritiesMember |
| 1152 |
K&C - Gyeongnam youth job creation Investment Fund [Member] |
Member |
|
|
kep:KCGyeongnamyouthjobcreationInvestmentFundMember |
| 1153 |
Korea investment – Korea EXIM Bank CERs Private Special Assets Investment Trust I [Member] |
Member |
|
|
kep:KoreainvestmentKoreaEXIMBankCERsPrivateSpecialAssetsInvestmentTrustIMember |
| 1154 |
Troika Overseas Resource Development Private Equity Firm [Member] |
Member |
|
|
kep:TroikaOverseasResourceDevelopmentPrivateEquityFirmMember |
| 1155 |
IBK-AUCTUS Green Growth Private Equity firm [Member] |
Member |
|
|
kep:IBKAUCTUSGreenGrowthPrivateEquityfirmMember |
| 1156 |
Global Dynasty Overseas Resource Development Private Equity Firm [Member] |
Member |
|
|
kep:GlobalDynastyOverseasResourceDevelopmentPrivateEquityFirmMember |
| 1157 |
Intellectual Discovery, Ltd. [Member] |
Member |
|
|
kep:IntellectualDiscoveryMember |
| 1158 |
Hanwha-KOSEP New Renewable Energy Private Special Assets Investment Trust 1 [Member] |
Member |
|
|
kep:HanwhaKOSEPNewRenewableEnergyPrivateSpecialAssetsInvestmentTrust1Member |
| 1159 |
Construction Guarantee [Member] |
Member |
|
|
kep:ConstructionGuaranteeMember |
| 1160 |
Plant & Mechanical Contractors Financial Cooperative of Korea [Member] |
Member |
|
|
kep:PlantMechanicalContractorsFinancialCooperativeofKoreaMember |
| 1161 |
Fire Guarantee [Member] |
Member |
|
|
kep:FireGuaranteeMember |
| 1162 |
Korea Software Financial Cooperative [Member] |
Member |
|
|
kep:KoreaSoftwareFinancialCooperativeMember |
| 1163 |
Engineering Financial Cooperative [Member] |
Member |
|
|
kep:EngineeringFinancialCooperativeMember |
| 1164 |
Electric Contractors Financial Cooperative [Member] |
Member |
|
|
kep:ElectricContractorsFinancialCooperativeMember |
| 1165 |
Korea Specialty Contractor Financial Cooperative [Member] |
Member |
|
|
kep:KoreaSpecialtyContractorFinancialCooperativeMember |
| 1166 |
Information & Communication Financial Cooperative [Member] |
Member |
|
|
kep:InformationCommunicationFinancialCooperativeMember |
| 1167 |
Korea Electric Engineers Association [Member] |
Member |
|
|
kep:KoreaElectricEngineersAssociationMember |
| 1168 |
Korea investment – Investment Pool for Public funds 10 [Member] |
Member |
|
|
kep:KoreainvestmentInvestmentPoolforPublicfunds10Member |
| 1169 |
Samsung investment – Investment Pool for Public funds 2 [Member] |
Member |
|
|
kep:SamsunginvestmentInvestmentPoolforPublicfunds2Member |
| 1170 |
Samsung investment – Investment Pool for Public funds 1 [Member] |
Member |
|
|
kep:SamsunginvestmentInvestmentPoolforPublicfunds1Member |
| 1171 |
Korea investment – Hanwha KT Master Lease Private Special Investment Trust [Member] |
Member |
|
|
kep:KoreainvestmentHanwhaKTMasterLeasePrivateSpecialInvestmentTrustMember |
| 1172 |
Kyobo Royal-Class Repo Plus Fixed Income 1Y 2nd [Member] |
Member |
|
|
kep:KyoboRoyalClassRepoPlusFixedIncome1Y2ndMember |
| 1173 |
Kyobo Royal-Class Repo Plus Fixed Income 2Y 1st [Member] |
Member |
|
|
kep:KyoboRoyalClassRepoPlusFixedIncome2Y1stMember |
| 1174 |
Kyobo Royal-Class Repo Plus A1 ABCP 1Y [Member] |
Member |
|
|
kep:KyoboRoyalClassRepoPlusA1ABCP1YMember |
| 1175 |
Hwan Young Steel Co., Ltd. [Member] |
Member |
|
|
kep:HwanYoungSteelMember |
| 1176 |
SAMBO AUTO. Co., Ltd. [Member] |
Member |
|
|
kep:SAMBOAUTOMember |
| 1177 |
Mobo Co., Ltd. [Member] |
Member |
|
|
kep:MoboMember |
| 1178 |
HANKOOK Silicon Co., Ltd. [Member] |
Member |
|
|
kep:HANKOOKSiliconMember |
| 1179 |
Dae Kwang Semiconductor Co., Ltd. [Member] |
Member |
|
|
kep:DaeKwangSemiconductorMember |
| 1180 |
Sanbon Department Store [Member] |
Member |
|
|
kep:SanbonDepartmentStoreMember |
| 1181 |
Miju Steel Mfg. Co., Ltd. [Member] |
Member |
|
|
kep:MijuSteelMfgMember |
| 1182 |
BnB Sungwon Co., Ltd. [Member] |
Member |
|
|
kep:BnBSungwonMember |
| 1183 |
Sungwon Co., Ltd. [Member] |
Member |
|
|
kep:SungwonMember |
| 1184 |
Hana Civil Engineering Co., Ltd. [Member] |
Member |
|
|
kep:HanaCivilEngineeringMember |
| 1185 |
KC Development Co., Ltd. [Member] |
Member |
|
|
kep:KCDevelopmentMember |
| 1186 |
IMHWA Corp. [Member] |
Member |
|
|
kep:IMHWAMember |
| 1187 |
DALIM Special Vehicle Co., Ltd. [Member] |
Member |
|
|
kep:DALIMSpecialVehicleMember |
| 1188 |
ASA JEONJU Co., Ltd. [Member] |
Member |
|
|
kep:ASAJEONJUMember |
| 1189 |
Moonkyung Silica Co., Ltd. [Member] |
Member |
|
|
kep:MoonkyungSilicaMember |
| 1190 |
Sungkwang Timber Co., Ltd. [Member] |
Member |
|
|
kep:SungkwangTimberMember |
| 1191 |
Yongbo Co., Ltd. [Member] |
Member |
|
|
kep:YongboMember |
| 1192 |
HJ Steel Co., Ltd. [Member] |
Member |
|
|
kep:HJSteelMember |
| 1193 |
KS Remicon Co., Ltd. [Member] |
Member |
|
|
kep:KSRemiconMember |
| 1194 |
SIN-E Steel Co., Ltd. [Member] |
Member |
|
|
kep:SINESteelMember |
| 1195 |
Joongang Platec Co., Ltd. [Member] |
Member |
|
|
kep:JoongangPlatecMember |
| 1196 |
Pyungsan SI Ltd. [Member] |
Member |
|
|
kep:PyungsanSIMember |
| 1197 |
Samgong Development Co., Ltd. [Member] |
Member |
|
|
kep:SamgongDevelopmentMember |
| 1198 |
Joongang Development Co., Ltd. [Member] |
Member |
|
|
kep:JoongangDevelopmentMember |
| 1199 |
AJS Co., Ltd. [Member] |
Member |
|
|
kep:AJSMember |
| 1200 |
SHIN-E B&P Co., Ltd. [Member] |
Member |
|
|
kep:SHINEBPMember |
| 1201 |
MSE Co., Ltd. [Member] |
Member |
|
|
kep:MSEMember |
| 1202 |
Ilrim Nano Tec Co., Ltd. [Member] |
Member |
|
|
kep:IlrimNanoTecMember |
| 1203 |
Youngjin Hi-Tech Co., Ltd. [Member] |
Member |
|
|
kep:YoungjinHiTechMember |
| 1204 |
Dong Woo International Co., Ltd. [Member] |
Member |
|
|
kep:DongWooInternationalMember |
| 1205 |
Buyoung Co., Ltd. [Member] |
Member |
|
|
kep:BuyoungMember |
| 1206 |
Ilsuk Co., Ltd. [Member] |
Member |
|
|
kep:IlsukMember |
| 1207 |
Dongyang Telecom Co., Ltd. [Member] |
Member |
|
|
kep:DongyangTelecomMember |
| 1208 |
Han Young Construction Co., Ltd. [Member] |
Member |
|
|
kep:HanYoungConstructionMember |
| 1209 |
Jongwon Remicon Co., Ltd. [Member] |
Member |
|
|
kep:JongwonRemiconMember |
| 1210 |
Ace Heat Treating Co., Ltd. [Member] |
Member |
|
|
kep:AceHeatTreatingMember |
| 1211 |
Zyle Daewoo Motor Sales Co., Ltd. [Member] |
Member |
|
|
kep:ZyleDaewooMotorSalesMember |
| 1212 |
Daewoo Development Co., Ltd. [Member] |
Member |
|
|
kep:DaewooDevelopmentMember |
| 1213 |
Seyang Inc. [Member] |
Member |
|
|
kep:SeyangMember |
| 1214 |
Seungri Enterprise Co., Ltd. [Member] |
Member |
|
|
kep:SeungriEnterpriseMember |
| 1215 |
Onggane Food Co., Ltd [Member] |
Member |
|
|
kep:OngganeFoodMember |
| 1216 |
Shin-E P&C Co., Ltd. [Member] |
Member |
|
|
kep:ShinEPCMember |
| 1217 |
Ejung Ad Co., Ltd. [Member] |
Member |
|
|
kep:EjungAdMember |
| 1218 |
Solvus Co., Ltd. [Member] |
Member |
|
|
kep:SolvusMember |
| 1219 |
Myung Co., Ltd. [Member] |
Member |
|
|
kep:MyungMember |
| 1220 |
Emotion Co., Ltd. [Member] |
Member |
|
|
kep:EmotionfMember |
| 1221 |
Youngdong Concrete Co., Ltd. [Member] |
Member |
|
|
kep:YoungdongConcreteMember |
| 1222 |
Shinil Engineering Co., Ltd. [Member] |
Member |
|
|
kep:ShinilEngineeringMember |
| 1223 |
Biwang Industry Co., Ltd [Member] |
Member |
|
|
kep:BiwangIndustryMember |
| 1224 |
Huimun Co., Ltd. [Member] |
Member |
|
|
kep:HuimunMember |
| 1225 |
Young Sung Co., Ltd. [Member] |
Member |
|
|
kep:YoungSungMember |
| 1226 |
Yuil Industrial Electronics Co., Ltd. [Member] |
Member |
|
|
kep:YuilIndustrialElectronicsMember |
| 1227 |
DN TEK Inc. [Member] |
Member |
|
|
kep:DNTEKMember |
| 1228 |
Daeyang F.M.S Corporation [Member] |
Member |
|
|
kep:DaeyangFMSMember |
| 1229 |
Kwang Jin Structure Co., Ltd. [Member] |
Member |
|
|
kep:KwangJinStructureMember |
| 1230 |
Woojin Industry Corporation [Member] |
Member |
|
|
kep:WoojinIndustryMember |
| 1231 |
Kwang Sung Industry Co., Ltd. [Member] |
Member |
|
|
kep:KwangSungIndustryMember |
| 1232 |
Futech Mold Co., Ltd. [Member] |
Member |
|
|
kep:FutechMoldMember |
| 1233 |
Samcheonri Industrial Co., Ltd. [Member] |
Member |
|
|
kep:SamcheonriIndustrialMember |
| 1234 |
Woojoo Environment Ind. Co., Ltd. [Member] |
Member |
|
|
kep:WoojooEnvironmentIndMember |
| 1235 |
Cheongatti Co., Ltd. [Member] |
Member |
|
|
kep:CheongattiMember |
| 1236 |
Hyungji Esquire Co., Ltd. [Member] |
Member |
|
|
kep:HyungjiEsquireMember |
| 1237 |
Kolmar Pharma Co., Ltd. [Member] |
Member |
|
|
kep:KolmarPharmaMember |
| 1238 |
Morado Co., Ltd. [Member] |
Member |
|
|
kep:MoradoMember |
| 1239 |
Myung Sung Tex Co., Ltd. [Member] |
Member |
|
|
kep:MyungSungTexMember |
| 1240 |
Kwang Sung Co., Ltd. [Member] |
Member |
|
|
kep:KwangSungMember |
| 1241 |
EverTechno. Co.,Ltd. [Member] |
Member |
|
|
kep:EverTechnoMember |
| 1242 |
Autowel Co.,Ltd. [Member] |
Member |
|
|
kep:AutowelMember |
| 1243 |
Woobang Construction Co., Ltd. [Member] |
Member |
|
|
kep:WoobangConstructionMember |
| 1244 |
Shin Pyung Co., Ltd. [Member] |
Member |
|
|
kep:ShinPyungMember |
| 1245 |
JMC Heavy Industries Co., Ltd. [Member] |
Member |
|
|
kep:JMCHeavyIndustriesMember |
| 1246 |
Najin Steel Co., Ltd. [Member] |
Member |
|
|
kep:NajinSteelMember |
| 1247 |
Sinkwang Industry Co., Ltd. [Member] |
Member |
|
|
kep:SinkwangIndustryMember |
| 1248 |
Join Land Co., Ltd. [Member] |
Member |
|
|
kep:JoinLandMember |
| 1249 |
Crystal Co., Ltd. [Member] |
Member |
|
|
kep:CrystalMember |
| 1250 |
Elephant & Friends Co., Ltd. [Member] |
Member |
|
|
kep:ElephantFriendsMember |
| 1251 |
Mireco Co., Ltd. [Member] |
Member |
|
|
kep:MirecoMember |
| 1252 |
L&K Industry Co., Ltd. [Member] |
Member |
|
|
kep:LKIndustryMember |
| 1253 |
JO Tech Co., Ltd. [Member] |
Member |
|
|
kep:JOTechMember |
| 1254 |
Kendae Printing Co., Ltd. [Member] |
Member |
|
|
kep:KendaePrintingMember |
| 1255 |
Dauning Co., Ltd. [Member] |
Member |
|
|
kep:DauningMember |
| 1256 |
Korea Trecision Co., Ltd. [Member] |
Member |
|
|
kep:KoreaTrecisionMember |
| 1257 |
Ace Track Co., Ltd. [Member] |
Member |
|
|
kep:AceTrackMember |
| 1258 |
Taebok Machinery Co., Ltd. [Member] |
Member |
|
|
kep:TaebokMachineryMember |
| 1259 |
Yooah Industry Co., Ltd. [Member] |
Member |
|
|
kep:YooahIndustryMember |
| 1260 |
Yoo-A Construction Co., Ltd. [Member] |
Member |
|
|
kep:YooAConstructionMember |
| 1261 |
Dung Hwan Co., Ltd. [Member] |
Member |
|
|
kep:DungHwanMember |
| 1262 |
Hurim Biocell Co., Ltd. [Member] |
Member |
|
|
kep:HurimBiocellMember |
| 1263 |
P. J, Trading Co., Ltd. [Member] |
Member |
|
|
kep:PJTradingMember |
| 1264 |
Sunjin Power Tech Co., Ltd. [Member] |
Member |
|
|
kep:SunjinPowerTechMember |
| 1265 |
Smart Power Co.,Ltd. [Member] |
Member |
|
|
kep:SmartPowerMember |
| 1266 |
Haseung Industries Co.,Ltd. [Member] |
Member |
|
|
kep:HaseungIndustriesMember |
| 1267 |
Beer Yeast Korea Inc. [Member] |
Member |
|
|
kep:BeerYeastKoreaIncMember |
| 1268 |
Daeryung Corporation [Member] |
Member |
|
|
kep:DaeryungMember |
| 1269 |
Korea Bio Red Ginseng Co.,Ltd. [Member] |
Member |
|
|
kep:KoreaBioRedGinsengMember |
| 1270 |
ENH Co.,Ltd. [Member] |
Member |
|
|
kep:ENHMember |
| 1271 |
OCO Co.,Ltd. [Member] |
Member |
|
|
kep:OCOMember |
| 1272 |
B CON Co.,Ltd. [Member] |
Member |
|
|
kep:BCONMember |
| 1273 |
Chunil Metal Co., Ltd. [Member] |
Member |
|
|
kep:ChunilMetalMember |
| 1274 |
Teakwang Tech Co., Ltd. [Member] |
Member |
|
|
kep:TeakwangTechMember |
| 1275 |
SsangMa Machine Co., Ltd. [Member] |
Member |
|
|
kep:SsangMaMachineMember |
| 1276 |
SinJin Co., Ltd. [Member] |
Member |
|
|
kep:SinJinMember |
| 1277 |
Ace Integration Co., Ltd [Member] |
Member |
|
|
kep:AceIntegrationMember |
| 1278 |
AceInti Agricultural Co., Ltd. [Member] |
Member |
|
|
kep:AceIntiAgriculturalMember |
| 1279 |
KyungDong Co., Ltd. [Member] |
Member |
|
|
kep:KyungDongMember |
| 1280 |
ChunWon Development Co., Ltd. [Member] |
Member |
|
|
kep:ChunWonDevelopmentMember |
| 1281 |
WonIl Co., Ltd. [Member] |
Member |
|
|
kep:WonIlMember |
| 1282 |
SungLim Industrial Co., Ltd. [Member] |
Member |
|
|
kep:SungLimIndustrialMember |
| 1283 |
DaeHa Co., Ltd. [Member] |
Member |
|
|
kep:DaeHaMember |
| 1284 |
Korea Minerals Co., Ltd. [Member] |
Member |
|
|
kep:KoreaMineralsMember |
| 1285 |
HyoDong Development Co., Ltd. [Member] |
Member |
|
|
kep:HyoDongDevelopmentMember |
| 1286 |
Haspe Tech Co., Ltd. [Member] |
Member |
|
|
kep:HaspeTechMember |
| 1287 |
JoHyun Co., Ltd. [Member] |
Member |
|
|
kep:JoHyunMember |
| 1288 |
KC Co., Ltd. [Member] |
Member |
|
|
kep:KCMember |
| 1289 |
SeongJi Industrial Co.,Ltd. [Member] |
Member |
|
|
kep:SeongJiIndustrialMember |
| 1290 |
Areva nc Expansion [Member] |
Member |
|
|
kep:ArevancExpansionMember |
| 1291 |
Navanakorn Electric Co., Ltd. [Member] |
Member |
|
|
kep:NavanakornElectricMember |
| 1292 |
PT. Kedap Saayq [Member] |
Member |
|
|
kep:PTKedapSaayqMember |
| 1293 |
Set Holding [Member] |
Member |
|
|
kep:SetHoldingMember |
| 1294 |
PT. Cirebon Energi Prasarana [Member] |
Member |
|
|
kep:PTCirebonEnergiPrasaranaMember |
| 1295 |
DongKwang SD, Inc. [Member] |
Member |
|
|
kep:DongKwangSDMember |
| 1296 |
Dong Yang Metal Co., Ltd. [Member] |
Member |
|
|
kep:DongYangMetalMember |
| 1297 |
Seyang Precision Ind.Co., Ltd. [Member] |
Member |
|
|
kep:SeyangPrecisionIndMember |
| 1298 |
Dooriwon Food System Co., Ltd. [Member] |
Member |
|
|
kep:DooriwonFoodSystemMember |
| 1299 |
ShinShin Co., Ltd [Member] |
Member |
|
|
kep:ShinShinMember |
| 1300 |
Kitorang Co., Ltd. [Member] |
Member |
|
|
kep:KitorangMember |
| 1301 |
Sung Kwang Co., Ltd. [Member] |
Member |
|
|
kep:SungKwangMember |
| 1302 |
Hyundai Metal Co., Ltd. [Member] |
Member |
|
|
kep:HyundaiMetalMember |
| 1303 |
Shinheung petrol. Co. Ltd. [Member] |
Member |
|
|
kep:ShinheungpetrolMember |
| 1304 |
Force TEC Co., Ltd. [Member] |
Member |
|
|
kep:ForceTECMember |
| 1305 |
Haisung Industrial Systems Co., Ltd. [Member] |
Member |
|
|
kep:HaisungIndustrialSystemsMember |
| 1306 |
Samsung Tech Co., Ltd. [Member] |
Member |
|
|
kep:SamsungTechMember |
| 1307 |
Tae Hyung Co., Ltd. [Member] |
Member |
|
|
kep:TaeHyungMember |
| 1308 |
Samyangplant Co., Ltd. [Member] |
Member |
|
|
kep:SamyangplantMember |
| 1309 |
Younil Metal Co., Ltd. [Member] |
Member |
|
|
kep:YounilMetalMember |
| 1310 |
Myungjin Tech Co., Ltd. [Member] |
Member |
|
|
kep:MyungjinTechMember |
| 1311 |
Hankook Machine Tools Co., Ltd. [Member] |
Member |
|
|
kep:HankookMachineToolsMember |
| 1312 |
Hankook Precision Ind Co., Ltd. [Member] |
Member |
|
|
kep:HankookPrecisionIndMember |
| 1313 |
Borneo International Furniture Co., Ltd. [Member] |
Member |
|
|
kep:BorneoInternationalFurnitureUnlistedMember |
| 1314 |
CJ Paradise Co.,Ltd [Member] |
Member |
|
|
kep:CJParadiseMember |
| 1315 |
Han Young Technology Company Co.,Ltd. [Member] |
Member |
|
|
kep:HanYoungTechnologyMember |
| 1316 |
Jungdo Aluminium Co.,Ltd. [Member] |
Member |
|
|
kep:JungdoAluminiumMember |
| 1317 |
Ilheung Metal Co, Ltd. [Member] |
Member |
|
|
kep:IlheungMetalMember |
| 1318 |
STX Offshore & Shipbuilding Co., Ltd [Member] |
Member |
|
|
kep:STXOffshoreShipbuildingMember |
| 1319 |
Ptotronics Co., Ltd. [Member] |
Member |
|
|
kep:PtotronicsMember |
| 1320 |
NFT Co., Ltd. [Member] |
Member |
|
|
kep:NFTMember |
| 1321 |
Echoroba Co.,Ltd. [Member] |
Member |
|
|
kep:EchorobaMember |
| 1322 |
Hyundaitech Co.,Ltd. [Member] |
Member |
|
|
kep:HyundaitechMember |
| 1323 |
Eco Alux Co.,Ltd. [Member] |
Member |
|
|
kep:EcoAluxMember |
| 1324 |
Daekyung Industry Co.,Ltd. [Member] |
Member |
|
|
kep:DaekyungIndustryMember |
| 1325 |
Dasan Material Co.Ltd. [Member] |
Member |
|
|
kep:DasanMaterialMember |
| 1326 |
Fish World Co.,Ltd. [Member] |
Member |
|
|
kep:FishWorldMember |
| 1327 |
SG Shinsung Engineering and Construction Co., Ltd. [Member] |
Member |
|
|
kep:SGShinsungEngineeringandConstructionMember |
| 1328 |
Samdo Industry Electric Co.,Ltd. [Member] |
Member |
|
|
kep:SamdoIndustryElectricMember |
| 1329 |
Taejung Industries Co.,Ltd. [Member] |
Member |
|
|
kep:TaejungIndustriesMember |
| 1330 |
Shinsei Trading Co., Ltd. [Member] |
Member |
|
|
kep:ShinseiTradingMember |
| 1331 |
Dynamic Co., Ltd. [Member] |
Member |
|
|
kep:DynamicMember |
| 1332 |
Green Alchemy Co.,Ltd. [Member] |
Member |
|
|
kep:GreenAlchemyMember |
| 1333 |
IQ Power Asia Inc. [Member] |
Member |
|
|
kep:IQPowerAsiaMember |
| 1334 |
Youone TBM Engineering & Construction Co., Ltd. [Member] |
Member |
|
|
kep:YouoneTBMEngineeringConstructionMember |
| 1335 |
KM Leatech [Member] |
Member |
|
|
kep:KMLeatechMember |
| 1336 |
Wonil T&I Co., Ltd. [Member] |
Member |
|
|
kep:WonilTIMember |
| 1337 |
Semist Co.,Ltd. [Member] |
Member |
|
|
kep:SemistMember |
| 1338 |
DS POWER Co., Ltd. [Member] |
Member |
|
|
kep:DSPOWERMember |
| 1339 |
Available-for-sale financial assets [Line Items] |
LineItems |
|
|
kep:AvailableForSaleFinancialAssetsLineItems |
| 1340 |
Shares |
Concept (Shares) |
For Period |
|
kep:NumberOfSharesOwned |
| 1341 |
Ownership |
Concept (Percent) |
For Period |
|
kep:ProportionOfOwnershipInterestInAvailableforsaleFinancialAssets |
| 1342 |
Acquisition cost |
Concept (Monetary) |
For Period |
Debit |
us-gaap:AcquisitionCosts |
| 1343 |
Book value |
Concept (Monetary) |
As Of |
Debit |
us-gaap:AvailableForSaleSecuritiesEquitySecurities |
| 1344 |
Fair value |
Concept (Monetary) |
For Period |
Debit |
kep:FairValueOfAvailableForSaleSecuritiesEquitySecurities |
| 1345 |
24100100 - Disclosure - Held-to-maturity Investments (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/HeldToMaturityInvestmentsDetails |
| 1346 |
Schedule of changes in held-to-maturity investments [Table] |
Table |
* |
* |
kep:ScheduleOfChangesInHeldToMaturityInvestmentsTable |
| 1347 |
Held-to-maturity investments, category [Axis] |
Axis |
|
|
kep:HeldToMaturityInvestmentsCategoryAxis |
| 1348 |
Held-to-maturity investments, category [Domain] |
Member |
|
|
ifrs-full:HeldtomaturityInvestmentsCategoryMember |
| 1349 |
Government bonds [Member] |
Member |
|
|
kep:GovernmentBondsMember |
| 1350 |
Changes in held-to-maturity investments [Line Items] |
LineItems |
|
|
kep:ChangesInHeldToMaturityInvestmentsLineItem |
| 1351 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:HeldtomaturityInvestments |
| 1352 |
Acquisitions |
Concept (Monetary) |
For Period |
Debit |
kep:AcquisitionsHeldToMaturityInvestments |
| 1353 |
Disposals |
Concept (Monetary) |
For Period |
Credit |
kep:DisposalsHeldToMaturityInvestments |
| 1354 |
Others |
Concept (Monetary) |
For Period |
Debit |
kep:OthersHeldToMaturityInvestments |
| 1355 |
Ending balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:HeldtomaturityInvestments |
| 1356 |
24100200 - Disclosure - Held-to-maturity Investments - Liquidity classification (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/HeldToMaturityInvestmentsLiquidityClassificationDetails |
| 1357 |
Schedule of changes in held-to-maturity investments [Table] |
Table |
* |
* |
kep:ScheduleOfChangesInHeldToMaturityInvestmentsTable |
| 1358 |
Held-to-maturity investments, category [Axis] |
Axis |
|
|
kep:HeldToMaturityInvestmentsCategoryAxis |
| 1359 |
Held-to-maturity investments, category [Domain] |
Member |
|
|
ifrs-full:HeldtomaturityInvestmentsCategoryMember |
| 1360 |
Current Held to maturity Investments [Member] |
Member |
|
|
kep:CurrentHeldtomaturityInvestmentsMember |
| 1361 |
NonCurrent Held to maturity Investments [Member] |
Member |
|
|
kep:NoncurrentHeldtomaturityInvestmentsMember |
| 1362 |
Changes in held-to-maturity investments [Line Items] |
LineItems |
|
|
kep:ChangesInHeldToMaturityInvestmentsLineItem |
| 1363 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:HeldtomaturityInvestments |
| 1364 |
Acquisitions |
Concept (Monetary) |
For Period |
Debit |
kep:AcquisitionsHeldToMaturityInvestments |
| 1365 |
Disposals |
Concept (Monetary) |
For Period |
Credit |
kep:DisposalsHeldToMaturityInvestments |
| 1366 |
Others |
Concept (Monetary) |
For Period |
Debit |
kep:OthersHeldToMaturityInvestments |
| 1367 |
Ending balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:HeldtomaturityInvestments |
| 1368 |
24110100 - Disclosure - Derivative Instrument (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DerivativeInstrumentDetails |
| 1369 |
Derivative [Table] |
Table |
* |
* |
us-gaap:DerivativeTable |
| 1370 |
Classes of financial assets [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
| 1371 |
Financial assets, class [Domain] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
| 1372 |
Derivatives [Member] |
Member |
|
|
ifrs-full:DerivativesMember |
| 1373 |
Currency forward [Member] |
Member |
|
|
ifrs-full:ForwardContractMember |
| 1374 |
Currency swap [Member] |
Member |
|
|
ifrs-full:CurrencySwapContractMember |
| 1375 |
Interest rate swap [Member] |
Member |
|
|
ifrs-full:InterestRateSwapContractMember |
| 1376 |
Others [Member] |
Member |
|
|
ifrs-full:OptionContractMember |
| 1377 |
Derivative [Line Items] |
LineItems |
|
|
us-gaap:DerivativeLineItems |
| 1378 |
Current derivative financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentDerivativeFinancialAssets |
| 1379 |
Non-current derivative financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentDerivativeFinancialAssets |
| 1380 |
Current derivative financial liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentDerivativeFinancialLiabilities |
| 1381 |
Non-current derivative financial liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentDerivativeFinancialLiabilities |
| 1382 |
Disclosure of Gain and loss on valuation and transaction of derivatives and included in finance income and costs in the consolidated statements of comprehensive income (loss) [Abstract] |
Abstract |
|
|
kep:GainAndLossOnValuationAndTransactionOfDerivativesAndIncludedInFinanceIncomeAndCostsInTheConsolidatedStatementsOfComprehensiveIncomeLossAbstract |
| 1383 |
Net income effects of valuation gain (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsLossesOnChangeInFairValueOfDerivatives |
| 1384 |
Net income effects of transaction gain (loss) |
Concept (Monetary) |
For Period |
Credit |
us-gaap:GainLossOnSaleOfDerivatives |
| 1385 |
Accumulated other comprehensive income (loss) |
Concept (Monetary) |
As Of |
Credit |
us-gaap:AccumulatedOtherComprehensiveIncomeLossCumulativeChangesInNetGainLossFromCashFlowHedgesEffectNetOfTax |
| 1386 |
24110200 - Disclosure - Derivative Currency swap forward contract List (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DerivativeCurrencySwapForwardContractListDetails |
| 1387 |
Disclosure of Derivative Currency forward contract detail list [Table] |
Table |
* |
* |
kep:DisclosureOfDerivativeCurrencyForwardContractDetailListTable |
| 1388 |
Classes of financial assets [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
| 1389 |
Financial assets, class [Domain] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
| 1390 |
Forward contract [Member] |
Member |
|
|
ifrs-full:ForwardContractMember |
| 1391 |
Currency forward contracts 1 [Member] |
Member |
|
|
kep:CurrencyForwardContracts1Member |
| 1392 |
Currency forward contracts 2 [Member] |
Member |
|
|
kep:CurrencyForwardContracts2Member |
| 1393 |
Currency forward contracts 3 [Member] |
Member |
|
|
kep:CurrencyForwardContracts3Member |
| 1394 |
Currency forward contracts 4 [Member] |
Member |
|
|
kep:CurrencyForwardContracts4Member |
| 1395 |
Currency forward contracts 5 [Member] |
Member |
|
|
kep:CurrencyForwardContracts5Member |
| 1396 |
Currency forward contracts 6 [Member] |
Member |
|
|
kep:CurrencyForwardContracts6Member |
| 1397 |
Currency forward contracts 7 [Member] |
Member |
|
|
kep:CurrencyForwardContracts7Member |
| 1398 |
Currency forward contracts 8 [Member] |
Member |
|
|
kep:CurrencyForwardContracts8Member |
| 1399 |
Currency forward contracts 9 [Member] |
Member |
|
|
kep:CurrencyForwardContracts9Member |
| 1400 |
Currency forward contracts 10 [Member] |
Member |
|
|
kep:CurrencyForwardContracts10Member |
| 1401 |
Currency forward contracts 11 [Member] |
Member |
|
|
kep:CurrencyForwardContracts11Member |
| 1402 |
Currency forward contracts 12 [Member] |
Member |
|
|
kep:CurrencyForwardContracts12Member |
| 1403 |
Currency forward contracts 13 [Member] |
Member |
|
|
kep:CurrencyForwardContracts13Member |
| 1404 |
Currency forward contracts 14 [Member] |
Member |
|
|
kep:CurrencyForwardContracts14Member |
| 1405 |
Currency forward contracts 15 [Member] |
Member |
|
|
kep:CurrencyForwardContracts15Member |
| 1406 |
Currency forward contracts 16 [Member] |
Member |
|
|
kep:CurrencyForwardContracts16Member |
| 1407 |
Currency forward contracts 17 [Member] |
Member |
|
|
kep:CurrencyForwardContracts17Member |
| 1408 |
Currency forward contracts 18 [Member] |
Member |
|
|
kep:CurrencyForwardContracts18Member |
| 1409 |
Currency forward contracts 19 [Member] |
Member |
|
|
kep:CurrencyForwardContracts19Member |
| 1410 |
Currency forward contracts 20 [Member] |
Member |
|
|
kep:CurrencyForwardContracts20Member |
| 1411 |
Currency forward contracts 21 [Member] |
Member |
|
|
kep:CurrencyForwardContracts21Member |
| 1412 |
Currency forward contracts 22 [Member] |
Member |
|
|
kep:CurrencyForwardContracts22Member |
| 1413 |
Currency forward contracts 23 [Member] |
Member |
|
|
kep:CurrencyForwardContracts23Member |
| 1414 |
Currency forward contracts 24 [Member] |
Member |
|
|
kep:CurrencyForwardContracts24Member |
| 1415 |
Currency forward contracts 25 [Member] |
Member |
|
|
kep:CurrencyForwardContracts25Member |
| 1416 |
Currency forward contracts 26 [Member] |
Member |
|
|
kep:CurrencyForwardContracts26Member |
| 1417 |
Currency forward contracts 27 [Member] |
Member |
|
|
kep:CurrencyForwardContracts27Member |
| 1418 |
Currency forward contracts 28 [Member] |
Member |
|
|
kep:CurrencyForwardContracts28Member |
| 1419 |
Currency forward contracts 29 [Member] |
Member |
|
|
kep:CurrencyForwardContracts29Member |
| 1420 |
Currency forward contracts 30 [Member] |
Member |
|
|
kep:CurrencyForwardContracts30Member |
| 1421 |
Currency forward contracts 31 [Member] |
Member |
|
|
kep:CurrencyForwardContracts31Member |
| 1422 |
Currency forward contracts 32 [Member] |
Member |
|
|
kep:CurrencyForwardContracts32Member |
| 1423 |
Currency forward contracts 33 [Member] |
Member |
|
|
kep:CurrencyForwardContracts33Member |
| 1424 |
Currency forward contracts 34 [Member] |
Member |
|
|
kep:CurrencyForwardContracts34Member |
| 1425 |
Currency forward contracts 35 [Member] |
Member |
|
|
kep:CurrencyForwardContracts35Member |
| 1426 |
Currency forward contracts 36 [Member] |
Member |
|
|
kep:CurrencyForwardContracts36Member |
| 1427 |
Currency forward contracts 37 [Member] |
Member |
|
|
kep:CurrencyForwardContracts37Member |
| 1428 |
Currency forward contracts 38 [Member] |
Member |
|
|
kep:CurrencyForwardContracts38Member |
| 1429 |
Currency forward contracts 39 [Member] |
Member |
|
|
kep:CurrencyForwardContracts39Member |
| 1430 |
Currency forward contracts 40 [Member] |
Member |
|
|
kep:CurrencyForwardContracts40Member |
| 1431 |
Currency forward contracts 41 [Member] |
Member |
|
|
kep:CurrencyForwardContracts41Member |
| 1432 |
Currency forward contracts 42 [Member] |
Member |
|
|
kep:CurrencyForwardContracts42Member |
| 1433 |
Currency forward contracts 43 [Member] |
Member |
|
|
kep:CurrencyForwardContracts43Member |
| 1434 |
Currency forward contracts 44 [Member] |
Member |
|
|
kep:CurrencyForwardContracts44Member |
| 1435 |
Currency forward contracts 45 [Member] |
Member |
|
|
kep:CurrencyForwardContracts45Member |
| 1436 |
Currency forward contracts 46 [Member] |
Member |
|
|
kep:CurrencyForwardContracts46Member |
| 1437 |
Currency forward contracts 47 [Member] |
Member |
|
|
kep:CurrencyForwardContracts47Member |
| 1438 |
Currency forward contracts 48 [Member] |
Member |
|
|
kep:CurrencyForwardContracts48Member |
| 1439 |
Currency forward contracts 49 [Member] |
Member |
|
|
kep:CurrencyForwardContracts49Member |
| 1440 |
Currency forward contracts 50 [Member] |
Member |
|
|
kep:CurrencyForwardContracts50Member |
| 1441 |
Currency forward contracts 51 [Member] |
Member |
|
|
kep:CurrencyForwardContracts51Member |
| 1442 |
Currency forward contracts 52 [Member] |
Member |
|
|
kep:CurrencyForwardContracts52Member |
| 1443 |
Currency forward contracts 53 [Member] |
Member |
|
|
kep:CurrencyForwardContracts53Member |
| 1444 |
Currency forward contracts 54 [Member] |
Member |
|
|
kep:CurrencyForwardContracts54Member |
| 1445 |
Currency forward contracts 55 [Member] |
Member |
|
|
kep:CurrencyForwardContracts55Member |
| 1446 |
Currency forward contracts 56 [Member] |
Member |
|
|
kep:CurrencyForwardContracts56Member |
| 1447 |
Currency forward contracts 57 [Member] |
Member |
|
|
kep:CurrencyForwardContracts57Member |
| 1448 |
Currency forward contracts 58 [Member] |
Member |
|
|
kep:CurrencyForwardContracts58Member |
| 1449 |
Currency forward contracts 59 [Member] |
Member |
|
|
kep:CurrencyForwardContracts59Member |
| 1450 |
Currency forward contracts 60 [Member] |
Member |
|
|
kep:CurrencyForwardContracts60Member |
| 1451 |
Currency forward contracts 61 [Member] |
Member |
|
|
kep:CurrencyForwardContracts61Member |
| 1452 |
Currency forward contracts 62 [Member] |
Member |
|
|
kep:CurrencyForwardContracts62Member |
| 1453 |
Currency forward contracts 63 [Member] |
Member |
|
|
kep:CurrencyForwardContracts63Member |
| 1454 |
Currency forward contracts 64 [Member] |
Member |
|
|
kep:CurrencyForwardContracts64Member |
| 1455 |
Currency forward contracts 65 [Member] |
Member |
|
|
kep:CurrencyForwardContracts65Member |
| 1456 |
Currency forward contracts 66 [Member] |
Member |
|
|
kep:CurrencyForwardContracts66Member |
| 1457 |
Currency forward contracts 67 [Member] |
Member |
|
|
kep:CurrencyForwardContracts67Member |
| 1458 |
Currency forward contracts 68 [Member] |
Member |
|
|
kep:CurrencyForwardContracts68Member |
| 1459 |
Currency forward contracts 69 [Member] |
Member |
|
|
kep:CurrencyForwardContracts69Member |
| 1460 |
Currency forward contracts 70 [Member] |
Member |
|
|
kep:CurrencyForwardContracts70Member |
| 1461 |
Currency forward contracts 71 [Member] |
Member |
|
|
kep:CurrencyForwardContracts71Member |
| 1462 |
Currency forward contracts 72 [Member] |
Member |
|
|
kep:CurrencyForwardContracts72Member |
| 1463 |
Currency forward contracts 73 [Member] |
Member |
|
|
kep:CurrencyForwardContracts73Member |
| 1464 |
Currency forward contracts 74 [Member] |
Member |
|
|
kep:CurrencyForwardContracts74Member |
| 1465 |
Currency forward contracts 75 [Member] |
Member |
|
|
kep:CurrencyForwardContracts75Member |
| 1466 |
Currency forward contracts 76 [Member] |
Member |
|
|
kep:CurrencyForwardContracts76Member |
| 1467 |
Currency forward contracts 77 [Member] |
Member |
|
|
kep:CurrencyForwardContracts77Member |
| 1468 |
Currency forward contracts 78 [Member] |
Member |
|
|
kep:CurrencyForwardContracts78Member |
| 1469 |
Currency forward contracts 79 [Member] |
Member |
|
|
kep:CurrencyForwardContracts79Member |
| 1470 |
Currency forward contracts 80 [Member] |
Member |
|
|
kep:CurrencyForwardContracts80Member |
| 1471 |
Currency forward contracts 81 [Member] |
Member |
|
|
kep:CurrencyForwardContracts81Member |
| 1472 |
Currency forward contracts 82 [Member] |
Member |
|
|
kep:CurrencyForwardContracts82Member |
| 1473 |
Currency forward contracts 83 [Member] |
Member |
|
|
kep:CurrencyForwardContracts83Member |
| 1474 |
Currency forward contracts 84 [Member] |
Member |
|
|
kep:CurrencyForwardContracts84Member |
| 1475 |
Currency forward contracts 85 [Member] |
Member |
|
|
kep:CurrencyForwardContracts85Member |
| 1476 |
Currency forward contracts 86 [Member] |
Member |
|
|
kep:CurrencyForwardContracts86Member |
| 1477 |
Currency forward contracts 87 [Member] |
Member |
|
|
kep:CurrencyForwardContracts87Member |
| 1478 |
Disclosure of Derivative Currency forward contract detail list [Line Items] |
LineItems |
|
|
kep:DisclosureOfDerivativeCurrencyForwardContractDetailListLineitems |
| 1479 |
Counterparty |
Concept (Text/String) |
For Period |
|
invest:DerivativeCounterparty |
| 1480 |
Contract date |
Concept (Date) |
For Period |
|
us-gaap:DerivativeInceptionDates |
| 1481 |
Matrurity date |
Concept (Date) |
For Period |
|
us-gaap:DerivativeMaturityDates |
| 1482 |
Contract Amount Pay |
Concept (Monetary) |
For Period |
|
kep:DerivativeCurrencySoldAmount |
| 1483 |
Contract Amount Receive |
Concept (Monetary) |
For Period |
|
kep:DerivativeCurrencyBoughtAmount |
| 1484 |
Contract exchange rate |
Concept (Pure) |
As Of |
|
us-gaap:DerivativeForwardExchangeRate1 |
| 1485 |
24110300 - Disclosure - Derivative Currency swap contract List (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DerivativeCurrencySwapContractListDetails |
| 1486 |
Disclosure of Derivative Currency swap contract detail list [Table] |
Table |
* |
* |
kep:DisclosureOfDerivativeCurrencySwapContractDetailListTable |
| 1487 |
Hedging Designation [Axis] |
Axis |
|
|
us-gaap:HedgingDesignationAxis |
| 1488 |
Hedging Designation [Domain] |
Member |
|
|
us-gaap:HedgingDesignationDomain |
| 1489 |
Not Designated as Hedging Instrument [Member] |
Member |
|
|
us-gaap:NondesignatedMember |
| 1490 |
Designated as Hedging Instrument [Member] |
Member |
|
|
us-gaap:DesignatedAsHedgingInstrumentMember |
| 1491 |
Classes of financial assets [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
| 1492 |
Financial assets, class [Domain] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
| 1493 |
Currency swap contracts 1 [Member] |
Member |
|
|
kep:CurrencySwapContracts1Member |
| 1494 |
Currency swap contracts 2 [Member] |
Member |
|
|
kep:CurrencySwapContracts2Member |
| 1495 |
Currency swap contracts 3 [Member] |
Member |
|
|
kep:CurrencySwapContracts3Member |
| 1496 |
Currency swap contracts 4 [Member] |
Member |
|
|
kep:CurrencySwapContracts4Member |
| 1497 |
Currency swap contracts 5 [Member] |
Member |
|
|
kep:CurrencySwapContracts5Member |
| 1498 |
Currency swap contracts 6 [Member] |
Member |
|
|
kep:CurrencySwapContracts6Member |
| 1499 |
Currency swap contracts 7 [Member] |
Member |
|
|
kep:CurrencySwapContracts7Member |
| 1500 |
Currency swap contracts 8 [Member] |
Member |
|
|
kep:CurrencySwapContracts8Member |
| 1501 |
Currency swap contracts 9 [Member] |
Member |
|
|
kep:CurrencySwapContracts9Member |
| 1502 |
Currency swap contracts 10 [Member] |
Member |
|
|
kep:CurrencySwapContracts10Member |
| 1503 |
Currency swap contracts 11 [Member] |
Member |
|
|
kep:CurrencySwapContracts11Member |
| 1504 |
Currency swap contracts 12 [Member] |
Member |
|
|
kep:CurrencySwapContracts12Member |
| 1505 |
Currency swap contracts 13 [Member] |
Member |
|
|
kep:CurrencySwapContracts13Member |
| 1506 |
Currency swap contracts 14 [Member] |
Member |
|
|
kep:CurrencySwapContracts14Member |
| 1507 |
Currency swap contracts 15 [Member] |
Member |
|
|
kep:CurrencySwapContracts15Member |
| 1508 |
Currency swap contracts 16 [Member] |
Member |
|
|
kep:CurrencySwapContracts16Member |
| 1509 |
Currency swap contracts 17 [Member] |
Member |
|
|
kep:CurrencySwapContracts17Member |
| 1510 |
Currency swap contracts 18 [Member] |
Member |
|
|
kep:CurrencySwapContracts18Member |
| 1511 |
Currency swap contracts 19 [Member] |
Member |
|
|
kep:CurrencySwapContracts19Member |
| 1512 |
Currency swap contracts 20 [Member] |
Member |
|
|
kep:CurrencySwapContracts20Member |
| 1513 |
Currency swap contracts 21 [Member] |
Member |
|
|
kep:CurrencySwapContracts21Member |
| 1514 |
Currency swap contracts 22 [Member] |
Member |
|
|
kep:CurrencySwapContracts22Member |
| 1515 |
Currency swap contracts 23 [Member] |
Member |
|
|
kep:CurrencySwapContracts23Member |
| 1516 |
Currency swap contracts 24 [Member] |
Member |
|
|
kep:CurrencySwapContracts24Member |
| 1517 |
Currency swap contracts 25 [Member] |
Member |
|
|
kep:CurrencySwapContracts25Member |
| 1518 |
Currency swap contracts 26 [Member] |
Member |
|
|
kep:CurrencySwapContracts26Member |
| 1519 |
Currency swap contracts 27 [Member] |
Member |
|
|
kep:CurrencySwapContracts27Member |
| 1520 |
Currency swap contracts 28 [Member] |
Member |
|
|
kep:CurrencySwapContracts28Member |
| 1521 |
Currency swap contracts 29 [Member] |
Member |
|
|
kep:CurrencySwapContracts29Member |
| 1522 |
Currency swap contracts 30 [Member] |
Member |
|
|
kep:CurrencySwapContracts30Member |
| 1523 |
Currency swap contracts 31 [Member] |
Member |
|
|
kep:CurrencySwapContracts31Member |
| 1524 |
Currency swap contracts 32 [Member] |
Member |
|
|
kep:CurrencySwapContracts32Member |
| 1525 |
Currency swap contracts 33 [Member] |
Member |
|
|
kep:CurrencySwapContracts33Member |
| 1526 |
Currency swap contracts 34 [Member] |
Member |
|
|
kep:CurrencySwapContracts34Member |
| 1527 |
Currency swap contracts 35 [Member] |
Member |
|
|
kep:CurrencySwapContracts35Member |
| 1528 |
Currency swap contracts 36 [Member] |
Member |
|
|
kep:CurrencySwapContracts36Member |
| 1529 |
Currency swap contracts 37 [Member] |
Member |
|
|
kep:CurrencySwapContracts37Member |
| 1530 |
Currency swap contracts 38 [Member] |
Member |
|
|
kep:CurrencySwapContracts38Member |
| 1531 |
Currency swap contracts 39 [Member] |
Member |
|
|
kep:CurrencySwapContracts39Member |
| 1532 |
Currency swap contracts 40 [Member] |
Member |
|
|
kep:CurrencySwapContracts40Member |
| 1533 |
Currency swap contracts 41 [Member] |
Member |
|
|
kep:CurrencySwapContracts41Member |
| 1534 |
Currency swap contracts 42 [Member] |
Member |
|
|
kep:CurrencySwapContracts42Member |
| 1535 |
Currency swap contracts 43 [Member] |
Member |
|
|
kep:CurrencySwapContracts43Member |
| 1536 |
Currency swap contracts 44 [Member] |
Member |
|
|
kep:CurrencySwapContracts44Member |
| 1537 |
Currency swap contracts 45 [Member] |
Member |
|
|
kep:CurrencySwapContracts45Member |
| 1538 |
Currency swap contracts 46 [Member] |
Member |
|
|
kep:CurrencySwapContracts46Member |
| 1539 |
Currency swap contracts 47 [Member] |
Member |
|
|
kep:CurrencySwapContracts47Member |
| 1540 |
Currency swap contracts 48 [Member] |
Member |
|
|
kep:CurrencySwapContracts48Member |
| 1541 |
Currency swap contracts 49 [Member] |
Member |
|
|
kep:CurrencySwapContracts49Member |
| 1542 |
Currency swap contracts 50 [Member] |
Member |
|
|
kep:CurrencySwapContracts50Member |
| 1543 |
Currency swap contracts 51 [Member] |
Member |
|
|
kep:CurrencySwapContracts51Member |
| 1544 |
Currency swap contracts 52 [Member] |
Member |
|
|
kep:CurrencySwapContracts52Member |
| 1545 |
Currency swap contracts 53 [Member] |
Member |
|
|
kep:CurrencySwapContracts53Member |
| 1546 |
Currency swap contracts 54 [Member] |
Member |
|
|
kep:CurrencySwapContracts54Member |
| 1547 |
Currency swap contracts 55 [Member] |
Member |
|
|
kep:CurrencySwapContracts55Member |
| 1548 |
Disclosure of Derivative Currency swap contract detail list [Line Items] |
LineItems |
|
|
kep:DisclosureOfDerivativeCurrencySwapContractDetailListLineitems |
| 1549 |
Counterparty |
Concept (Text/String) |
For Period |
|
invest:DerivativeCounterparty |
| 1550 |
Contract Amount Pay |
Concept (Monetary) |
For Period |
|
kep:DerivativeCurrencySoldAmount |
| 1551 |
Contract Amount Receive |
Concept (Monetary) |
For Period |
|
kep:DerivativeCurrencyBoughtAmount |
| 1552 |
Contract exchange rate |
Concept (Pure) |
As Of |
|
us-gaap:DerivativeForwardExchangeRate1 |
| 1553 |
Derivative, Term of Contract |
Concept (Text/String) |
For Period |
|
kep:DerivativeOfContractPeriod |
| 1554 |
Contract Interest rate Pay |
Concept (Text/String) |
For Period |
|
kep:ContractInterestRatePay |
| 1555 |
Contract Interest rate Receive |
Concept (Text/String) |
For Period |
|
kep:ContractInterestRateReceive |
| 1556 |
24110500 - Disclosure - Derivative Interest rate swap contract List (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DerivativeInterestRateSwapContractListDetails |
| 1557 |
Disclosure of Derivative Interest rate swap contract detail list [Table] |
Table |
* |
* |
kep:DisclosureOfDerivativeInterestRateSwapContractDetailListTable |
| 1558 |
Hedging Designation [Axis] |
Axis |
|
|
us-gaap:HedgingDesignationAxis |
| 1559 |
Hedging Designation [Domain] |
Member |
|
|
us-gaap:HedgingDesignationDomain |
| 1560 |
Not Designated as Hedging Instrument [Member] |
Member |
|
|
us-gaap:NondesignatedMember |
| 1561 |
Designated as Hedging Instrument [Member] |
Member |
|
|
us-gaap:DesignatedAsHedgingInstrumentMember |
| 1562 |
Classes of financial assets [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
| 1563 |
Financial assets, class [Domain] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
| 1564 |
Interest rate swap contracts 1 [Member] |
Member |
|
|
kep:InterestRateSwapContracts1Member |
| 1565 |
Interest rate swap contracts 2 [Member] |
Member |
|
|
kep:InterestRateSwapContracts2Member |
| 1566 |
Interest rate swap contracts 3 [Member] |
Member |
|
|
kep:InterestRateSwapContracts3Member |
| 1567 |
Interest rate swap contracts 4 [Member] |
Member |
|
|
kep:InterestRateSwapContracts4Member |
| 1568 |
Interest rate swap contracts 5 [Member] |
Member |
|
|
kep:InterestRateSwapContracts5Member |
| 1569 |
Interest rate swap contracts 6 [Member] |
Member |
|
|
kep:InterestRateSwapContracts6Member |
| 1570 |
Interest rate swap contracts 7 [Member] |
Member |
|
|
kep:InterestRateSwapContracts7Member |
| 1571 |
Interest rate swap contracts 8 [Member] |
Member |
|
|
kep:InterestRateSwapContracts8Member |
| 1572 |
Interest rate swap contracts 9 [Member] |
Member |
|
|
kep:InterestRateSwapContracts9Member |
| 1573 |
Disclosure of Derivative Interest rate swap contract detail list [Line Items] |
LineItems |
|
|
kep:DisclosureOfDerivativeInterestRateSwapContractDetailListLineitems |
| 1574 |
Counterparty |
Concept (Text/String) |
For Period |
|
invest:DerivativeCounterparty |
| 1575 |
Derivative, Term of Contract |
Concept (Text/String) |
For Period |
|
kep:DerivativeOfContractPeriod |
| 1576 |
Contract Interest rate Pay |
Concept (Text/String) |
For Period |
|
kep:ContractInterestRatePay |
| 1577 |
Contract Interest rate Receive |
Concept (Text/String) |
For Period |
|
kep:ContractInterestRateReceive |
| 1578 |
Contract amount |
Concept (Monetary) |
As Of |
|
invest:DerivativeNotionalAmount |
| 1579 |
24120100 - Disclosure - Other-Financial Assets (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/OtherFinancialAssetsDetails |
| 1580 |
Other Financial Assets [Table] |
Table |
* |
* |
kep:OtherAssetsTable |
| 1581 |
Other Assets [Axis] |
Axis |
|
|
kep:OtherFinancialAssetsAxis |
| 1582 |
Other assets [Domain] |
Member |
|
|
ifrs-full:OtherAssetsMember |
| 1583 |
Other Current Assets [Member] |
Member |
|
|
us-gaap:OtherCurrentAssetsMember |
| 1584 |
Other Noncurrent Assets [Member] |
Member |
|
|
us-gaap:OtherNoncurrentAssetsMember |
| 1585 |
Other Financial Assets [Line Items] |
LineItems |
|
|
kep:OtherAssetsLineitems |
| 1586 |
Loans and receivables |
Concept (Monetary) |
As Of |
Debit |
kep:LoansAndReceivablesGross |
| 1587 |
Allowance for doubtful accounts |
Concept (Monetary) |
As Of |
Debit |
kep:AllowanceForDoubtfulAccountsOtherFinancialAssets |
| 1588 |
Present value discount |
Concept (Monetary) |
As Of |
Debit |
kep:PresentValueDiscount |
| 1589 |
Long / short-term financial instruments [Abstract] |
Abstract |
|
|
kep:LongShortTermFinancialInstrumentsAbstract |
| 1590 |
Time deposits |
Concept (Monetary) |
As Of |
Debit |
kep:LongShortTermFinancialInstrumentsTimeDeposits |
| 1591 |
ABCP |
Concept (Monetary) |
As Of |
Debit |
kep:LongShortTermFinancialInstrumentsABCP |
| 1592 |
CP |
Concept (Monetary) |
As Of |
Debit |
kep:LongShortTermFinancialInstrumentsCP |
| 1593 |
CD |
Concept (Monetary) |
As Of |
Debit |
kep:LongShortTermFinancialInstrumentsCD |
| 1594 |
RP |
Concept (Monetary) |
As Of |
Debit |
kep:LongShortTermFinancialInstrumentsRP |
| 1595 |
Others |
Concept (Monetary) |
As Of |
Debit |
kep:LongShortTermFinancialInstrumentsOthers |
| 1596 |
Long / short-term financial instruments |
Concept (Monetary) |
As Of |
Debit |
kep:LongShortTermFinancialInstruments |
| 1597 |
Financial assets at fair value through profit or loss |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss |
| 1598 |
Other financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherFinancialAssets |
| 1599 |
24120200 - Disclosure - Other-Financial Assets : Loans and receivables (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/OtherFinancialAssetsLoansAndReceivablesDetails |
| 1600 |
Loans and Leases Receivable Disclosure [Table] |
Table |
* |
* |
us-gaap:LoansAndLeasesReceivableDisclosureTable |
| 1601 |
Loans and receivables [Axis] |
Axis |
|
|
kep:LoansAndReceivablesAxis |
| 1602 |
Loans and receivables [Domain] |
Member |
|
|
kep:LoansAndReceivablesMember |
| 1603 |
Short-term loans and receivables [Member] |
Member |
|
|
kep:ShorttermLoansAndReceivablesMember |
| 1604 |
Long-term loans and receivables [Member] |
Member |
|
|
kep:LongtermLoansAndReceivablesMember |
| 1605 |
Book Value [Axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 1606 |
Book Value [Domain] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 1607 |
Face value [Member] |
Member |
|
|
kep:FaceValueMember |
| 1608 |
Allowance for doubtful accounts [Member] |
Member |
|
|
us-gaap:AllowanceForLoansAndLeasesReceivableMember |
| 1609 |
Present value discount [Member] |
Member |
|
|
kep:PresentValueDiscountMember |
| 1610 |
Loans and Leases Receivable Disclosure [Line Items] |
LineItems |
|
|
us-gaap:LoansAndLeasesReceivableDisclosureLineItems |
| 1611 |
Loans for tuition |
Concept (Monetary) |
As Of |
Debit |
kep:LoansForTuition |
| 1612 |
Loans for housing |
Concept (Monetary) |
As Of |
Debit |
kep:LoansForHousing |
| 1613 |
Loans for related parties |
Concept (Monetary) |
As Of |
Debit |
kep:LoansForRelatedParties |
| 1614 |
Fisheries loan |
Concept (Monetary) |
As Of |
Debit |
kep:FisheriesLoan |
| 1615 |
Other loans |
Concept (Monetary) |
As Of |
Debit |
kep:OtherLoans |
| 1616 |
Loans and receivables |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:LoansAndReceivables |
| 1617 |
24120300 - Disclosure - Other-Financial Assets : Changes in the allowance for doubtful accounts of Loans and receivables (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/OtherFinancialAssetsChangesInTheAllowanceForDoubtfulAccountsOfLoansAndReceivablesDetails |
| 1618 |
Implied Table |
Table |
* |
* |
implied:Table |
| 1619 |
Allowance for doubtful accounts [Abstract] |
Abstract |
|
|
kep:AllowanceForDoubtfulAccountsAbstract |
| 1620 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
kep:AllowanceForDoubtfulAccountsOtherFinancialAssets |
| 1621 |
Bad debt expense |
Concept (Monetary) |
For Period |
Credit |
kep:AllowanceForDoubtfulAccountsOtherFinancialAssetsBadDebtExpense |
| 1622 |
Other |
Concept (Monetary) |
For Period |
Credit |
kep:AllowanceForDoubtfulAccountsOtherFinancialAssetsOther |
| 1623 |
Ending balance |
Concept (Monetary) |
As Of |
Debit |
kep:AllowanceForDoubtfulAccountsOtherFinancialAssets |
| 1624 |
24130000 - Disclosure - Inventories (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/InventoriesDetails |
| 1625 |
Inventory [Table] |
Table |
* |
* |
us-gaap:InventoryCurrentTable |
| 1626 |
Inventories [Axis] |
Axis |
|
|
us-gaap:PublicUtilitiesInventoryAxis |
| 1627 |
Inventories [Domain] |
Member |
|
|
us-gaap:PublicUtilitiesInventoryTypeDomain |
| 1628 |
Acquisition cost [Member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 1629 |
Valuation allowance [Member] |
Member |
|
|
us-gaap:FairValueAdjustmentToInventoryMember |
| 1630 |
Inventory [Line Items] |
LineItems |
|
|
us-gaap:InventoryLineItems |
| 1631 |
Raw materials |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:RawMaterials |
| 1632 |
Merchandise |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Merchandise |
| 1633 |
Work-in-progress |
Concept (Monetary) |
As Of |
Debit |
us-gaap:InventoryWorkInProcess |
| 1634 |
Finished goods |
Concept (Monetary) |
As Of |
Debit |
us-gaap:InventoryFinishedGoods |
| 1635 |
Supplies |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:ProductionSupplies |
| 1636 |
Inventories in transit |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CurrentInventoriesInTransit |
| 1637 |
Other inventories |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherInventories |
| 1638 |
Total Inventories |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Inventories |
| 1639 |
24140200 - Disclosure - Finance lease and operating lease by lessor (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/FinanceLeaseAndOperatingLeaseByLessorDetails |
| 1640 |
Finance lease receivables of the Group as lessor [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLessorTable |
| 1641 |
Maturity [Axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 1642 |
Aggregated time bands [Domain] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 1643 |
Not Later Than 1 Year [Member] |
Member |
|
|
ifrs-full:NotLaterThanOneYearMember |
| 1644 |
1~5 Years [Member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember |
| 1645 |
More than 5 years [Member] |
Member |
|
|
ifrs-full:LaterThanFiveYearsMember |
| 1646 |
Finance lease receivables of the Group as lessor [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLessorLineItems |
| 1647 |
Minimum lease payment |
Concept (Monetary) |
For Period |
Debit |
kep:MinimumFinanceLeasePaymentsReceivable |
| 1648 |
Present value of minimum lease payment |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:MinimumFinanceLeasePaymentsReceivableAtPresentValue |
| 1649 |
24150000 - Disclosure - Non-Financial Assets (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/NonFinancialAssetsDetails |
| 1650 |
Non-Financial Assets [Table] |
Table |
* |
* |
kep:NonFinancialAssetsTable |
| 1651 |
Non-Financial Assets [Axis] |
Axis |
|
|
kep:NonFinancialAssetsAxis |
| 1652 |
Non-Financial Assets [Domain] |
Member |
|
|
kep:NonFinancialAssetsMember |
| 1653 |
Other Current Assets [Member] |
Member |
|
|
us-gaap:OtherCurrentAssetsMember |
| 1654 |
Other Noncurrent Assets [Member] |
Member |
|
|
us-gaap:OtherNoncurrentAssetsMember |
| 1655 |
Non-Financial Assets [Line Items] |
LineItems |
|
|
kep:NonFinancialAssetsLineItems |
| 1656 |
Advance payment |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:Prepayments |
| 1657 |
Prepaid Expense |
Concept (Monetary) |
As Of |
Debit |
us-gaap:PrepaidExpenseCurrentAndNoncurrent |
| 1658 |
Miscellaneous Non-Financial Assets [Abstract] |
Abstract |
|
|
kep:MiscellaneousNonFinancialAssetsAbstract |
| 1659 |
Tax refund receivables |
Concept (Monetary) |
As Of |
Debit |
kep:TaxRefundReceivables |
| 1660 |
Greenhouse gas emissions rights |
Concept (Monetary) |
As Of |
Debit |
kep:GreenhouseGasEmissionsRights |
| 1661 |
Other quick assets |
Concept (Monetary) |
As Of |
Debit |
kep:OthersOfMiscellaneousNonFinancialAssets |
| 1662 |
Miscellaneous Non-Financial Assets |
Concept (Monetary) |
As Of |
Debit |
kep:MiscellaneousNonFinancialAssets |
| 1663 |
Non-Financial Assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherNonfinancialAssets |
| 1664 |
24160100 - Disclosure - Consolidated subsidiaries (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ConsolidatedSubsidiariesDetails |
| 1665 |
Disclosure - Ownership of KEPCO and its material consolidated subsidiaries [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesTable |
| 1666 |
Subsidiaries [Axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 1667 |
Entity's total for subsidiaries [Domain] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 1668 |
Subsidiaries [Member] |
Member |
|
|
ifrs-full:SubsidiariesMember |
| 1669 |
Korea Hydro & Nuclear Power [Member] |
Member |
|
|
kep:KoreaHydroNuclearPowerMember |
| 1670 |
Korea South-East Power [Member] |
Member |
|
|
kep:KoreaSouthEastPowerMember |
| 1671 |
Korea Midland Power [Member] |
Member |
|
|
kep:KoreaMidlandPowerMember |
| 1672 |
Korea Western Power [Member] |
Member |
|
|
kep:KoreaWesternPowerMember |
| 1673 |
Korea Southern Power [Member] |
Member |
|
|
kep:KoreaSouthernPowerMember |
| 1674 |
Korea East-West Power [Member] |
Member |
|
|
kep:KoreaEastWestPowerMember |
| 1675 |
KEPCO Engineering & Construction Company [Member] |
Member |
|
|
kep:KEPCOEngineeringConstructionCompanyMember |
| 1676 |
KEPCO Plant Service & Engineering [Member] |
Member |
|
|
kep:KEPCOPlantServiceEngineeringMember |
| 1677 |
KEPCO Nuclear Fuel [Member] |
Member |
|
|
kep:KEPCONuclearFuelMember |
| 1678 |
KEPCO KDN [Member] |
Member |
|
|
kep:KEPCOKDNMember |
| 1679 |
Garolim Tidal Power Plant [Member] |
Member |
|
|
kep:GarolimTidalPowerPlantMember |
| 1680 |
KEPCO International HongKong [Member] |
Member |
|
|
kep:KEPCOInternationalHongKongMember |
| 1681 |
KEPCO International Philippines [Member] |
Member |
|
|
kep:KEPCOInternationalPhilippinesMember |
| 1682 |
KEPCO Gansu International [Member] |
Member |
|
|
kep:KEPCOGansuInternationalMember |
| 1683 |
KEPCO Philippines Holdings [Member] |
Member |
|
|
kep:KEPCOPhilippinesHoldingsMember |
| 1684 |
KEPCO Philippines Corporation [Member] |
Member |
|
|
kep:KEPCOPhilippinesCorporationMember |
| 1685 |
KEPCO Ilijan Corporation [Member] |
Member |
|
|
kep:KEPCOIlijanCorporationMember |
| 1686 |
KEPCO Lebanon SARL [Member] |
Member |
|
|
kep:KEPCOLebanonSARLMember |
| 1687 |
KEPCO Neimenggu International [Member] |
Member |
|
|
kep:KEPCONeimengguInternationalMember |
| 1688 |
KEPCO Shanxi International [Member] |
Member |
|
|
kep:KEPCOShanxiInternationalMember |
| 1689 |
KOMIPO Global Pte [Member] |
Member |
|
|
kep:KOMIPOGlobalPteMember |
| 1690 |
KEPCO Canada Energy [Member] |
Member |
|
|
kep:KEPCOCanadaEnergyMember |
| 1691 |
KEPCO Netherlands B.V. [Member] |
Member |
|
|
kep:KEPCONetherlandsBVMember |
| 1692 |
KOREA Imouraren Uranium Investment Corp. [Member] |
Member |
|
|
kep:KOREAImourarenUraniumInvestmentCorpMember |
| 1693 |
KEPCO Australia [Member] |
Member |
|
|
kep:KEPCOAustraliaMember |
| 1694 |
KOSEP Australia [Member] |
Member |
|
|
kep:KOSEPAustraliaMember |
| 1695 |
KOMIPO Australia [Member] |
Member |
|
|
kep:KOMIPOAustraliaMember |
| 1696 |
KOWEPO Australia [Member] |
Member |
|
|
kep:KOWEPOAustraliaMember |
| 1697 |
KOSPO Australia [Member] |
Member |
|
|
kep:KOSPOAustraliaMember |
| 1698 |
KEPCO Middle East Holding Company [Member] |
Member |
|
|
kep:KEPCOMiddleEastHoldingCompanyMember |
| 1699 |
Qatrana Electric Power Company [Member] |
Member |
|
|
kep:QatranaElectricPowerCompanyMember |
| 1700 |
KHNP Canada Energy [Member] |
Member |
|
|
kep:KHNPCanadaEnergyMember |
| 1701 |
KEPCO Bylong Australia [Member] |
Member |
|
|
kep:KEPCOBylongAustraliaMember |
| 1702 |
Korea Waterbury Uranium Limited Partnership [Member] |
Member |
|
|
kep:KoreaWaterburyUraniumLimitedPartnershipMember |
| 1703 |
KEPCO Canada Uranium Investment Limited Partnership [Member] |
Member |
|
|
kep:KEPCOCanadaUraniumInvestmentLimitedPartnershipMember |
| 1704 |
Korea Electric Power Nigeria [Member] |
Member |
|
|
kep:KoreaElectricPowerNigeriaMember |
| 1705 |
KEPCO Holdings de Mexico [Member] |
Member |
|
|
kep:KEPCOHoldingsdeMexicoMember |
| 1706 |
KST Electric Power Company [Member] |
Member |
|
|
kep:KSTElectricPowerCompanyMember |
| 1707 |
KEPCO Energy Service Company [Member] |
Member |
|
|
kep:KEPCOEnergyServiceCompanyMember |
| 1708 |
KEPCO Netherlands S3 B.V. [Member] |
Member |
|
|
kep:KEPCONetherlandsS3BVMember |
| 1709 |
PT. KOMIPO Pembangkitan Jawa Bali [Member] |
Member |
|
|
kep:PTKOMIPOPembangkitanJawaBaliMember |
| 1710 |
PT. Cirebon Power Service [Member] |
Member |
|
|
kep:PTCirebonPowerServiceMember |
| 1711 |
KOWEPO International Corporation [Member] |
Member |
|
|
kep:KOWEPOInternationalCorporationMember |
| 1712 |
KOSPO Jordan [Member] |
Member |
|
|
kep:KOSPOJordanMember |
| 1713 |
EWP Philippines Corporation [Member] |
Member |
|
|
kep:EWPPhilippinesCorporationMember |
| 1714 |
EWP America [Member] |
Member |
|
|
kep:EWPAmericaMember |
| 1715 |
EWP Renewable [Member] |
Member |
|
|
kep:EWPRenewableMember |
| 1716 |
DG Fairhaven Power [Member] |
Member |
|
|
kep:DGFairhavenPowerMember |
| 1717 |
DG Kings Plaza [Member] |
Member |
|
|
kep:DGKingsPlazaMember |
| 1718 |
DG Whitefield [Member] |
Member |
|
|
kep:DGWhitefieldMember |
| 1719 |
Springfield Power [Member] |
Member |
|
|
kep:SpringfieldPowerMember |
| 1720 |
KNF Canada Energy Limited [Member] |
Member |
|
|
kep:KNFCanadaEnergyLimitedMember |
| 1721 |
PT KEPCO Resource Indonesia [Member] |
Member |
|
|
kep:PTKEPCOResourceIndonesiaMember |
| 1722 |
EWP Barbados 1 SRL [Member] |
Member |
|
|
kep:EWPBarbados1SRLMember |
| 1723 |
California Power Holdings [Member] |
Member |
|
|
kep:CaliforniaPowerHoldingsMember |
| 1724 |
Gyeonggi Green Energy [Member] |
Member |
|
|
kep:GyeonggiGreenEnergyMember |
| 1725 |
PT. Tanggamus Electric Power [Member] |
Member |
|
|
kep:PTTanggamusElectricPowerMember |
| 1726 |
Gyeongju Wind Power [Member] |
Member |
|
|
kep:GyeongjuWindPowerMember |
| 1727 |
KOMIPO America [Member] |
Member |
|
|
kep:KOMIPOAmericaMember |
| 1728 |
EWPRC Biomass Holdings [Member] |
Member |
|
|
kep:EWPRCBiomassHoldingsMember |
| 1729 |
KOSEP USA INC. [Member] |
Member |
|
|
kep:KOSEPUSAINCMember |
| 1730 |
PT. EWP Indonesia [Member] |
Member |
|
|
kep:PTEWPIndonesiaMember |
| 1731 |
KEPCO Netherlands J3 B.V. [Member] |
Member |
|
|
kep:KEPCONetherlandsJ3BVMember |
| 1732 |
Korea Offshore Wind Power [Member] |
Member |
|
|
kep:KoreaOffshoreWindPowerMember |
| 1733 |
Global One Pioneer B.V. [Member] |
Member |
|
|
kep:GlobalOnePioneerBVMember |
| 1734 |
Global Energy Pioneer B.V. [Member] |
Member |
|
|
kep:GlobalEnergyPioneerBVMember |
| 1735 |
Mira Power Limited [Member] |
Member |
|
|
kep:MiraPowerLimitedMember |
| 1736 |
KOSEP Material [Member] |
Member |
|
|
kep:KOSEPMaterialMember |
| 1737 |
Commerce and Industry Energy [Member] |
Member |
|
|
kep:CommerceandIndustryEnergyMember |
| 1738 |
KEPCO Singapore Holdings Pte. [Member] |
Member |
|
|
kep:KEPCOSingaporeHoldingsPteMember |
| 1739 |
KOWEPO India Private Limited [Member] |
Member |
|
|
kep:KOWEPOIndiaPrivateLimitedMember |
| 1740 |
KEPCO KPS Philippines Corp. [Member] |
Member |
|
|
kep:KEPCOKPSPhilippinesCorpMember |
| 1741 |
KOSPO Chile SpA [Member] |
Member |
|
|
kep:KOSPOChileSpAMember |
| 1742 |
PT. KOWEPO Sumsel Operation and Maintenance Services [Member] |
Member |
|
|
kep:PTKOWEPOSumselOperationandMaintenanceServicesMember |
| 1743 |
HeeMang Sunlight Power [Member] |
Member |
|
|
kep:HeeMangSunlightPowerMember |
| 1744 |
Fujeij Wind Power Company [Member] |
Member |
|
|
kep:FujeijWindPowerCompanyMember |
| 1745 |
KOSPO Youngnam Power [Member] |
Member |
|
|
kep:KOSPOYoungnamPowerMember |
| 1746 |
HI Carbon Professional Private Special Asset Investment Trust 1 [Member] |
Member |
|
|
kep:HICarbonProfessionalPrivateSpecialAssetInvestmentTrust1Member |
| 1747 |
Chitose Solar Power Plant [Member] |
Member |
|
|
kep:ChitoseSolarPowerPlantMember |
| 1748 |
KEPCO Energy Solution [Member] |
Member |
|
|
kep:KEPCOEnergySolutionMember |
| 1749 |
Solar School Plant [Member] |
Member |
|
|
kep:SolarSchoolPlantMember |
| 1750 |
KOSPO Power Services Limitada [Member] |
Member |
|
|
kep:KOSPOPowerServicesLimitadaMember |
| 1751 |
Energy New Industry Specialized Investment Private Investment Trust [Member] |
Member |
|
|
kep:EnergyNewIndustrySpecializedInvestmentPrivateInvestmentTrustMember |
| 1752 |
KOEN Bylong [Member] |
Member |
|
|
kep:KOENBylongMember |
| 1753 |
KOMIPO Bylong [Member] |
Member |
|
|
kep:KOMIPOBylongMember |
| 1754 |
KOWEPO Bylong [Member] |
Member |
|
|
kep:KOWEPOBylongMember |
| 1755 |
KOSPO Bylong [Member] |
Member |
|
|
kep:KOSPOBylongMember |
| 1756 |
EWP Bylong [Member] |
Member |
|
|
kep:EWPBylongMember |
| 1757 |
KOWEPO Lao International [Member] |
Member |
|
|
kep:KOWEPOLaoInternationalMember |
| 1758 |
KEPCO US [Member] |
Member |
|
|
kep:KEPCOUSMember |
| 1759 |
KEPCO Alamosa [Member] |
Member |
|
|
kep:KEPCOAlamosaMember |
| 1760 |
Cogentrix Solar Services [Member] |
Member |
|
|
kep:CogentrixSolarServicesMember |
| 1761 |
Solar Investments I [Member] |
Member |
|
|
kep:SolarInvestmentsIMember |
| 1762 |
Cogentrix of Alamosa [Member] |
Member |
|
|
kep:CogentrixofAlamosaMember |
| 1763 |
KEPCO-LG CNS Mangilao Holdings [Member] |
Member |
|
|
kep:KEPCOLGCNSMangilaoHoldingsMember |
| 1764 |
Mangilao Investment [Member] |
Member |
|
|
kep:MangilaoInvestmentMember |
| 1765 |
KEPCO-LG CNS Mangilao Solar [Member] |
Member |
|
|
kep:KEPCOLGCNSMangilaoSolarMember |
| 1766 |
Jeju Hanlim Offshore Wind Co [Member] |
Member |
|
|
kep:JejuHanlimOffshoreWindCoMember |
| 1767 |
PT. Siborpa Eco Power [Member] |
Member |
|
|
kep:PTSiborpaEcoPowerMember |
| 1768 |
BSK E-New Industry Fund VII [Member] |
Member |
|
|
kep:BSKENewIndustryFundVIIMember |
| 1769 |
e-New Industry LB Fund 1 [Member] |
Member |
|
|
kep:ENewIndustryLBFundMember |
| 1770 |
Songhyun e-New Industry Fund [Member] |
Member |
|
|
kep:SonghyunENewIndustryFundMember |
| 1771 |
Disclosure - Ownership of KEPCO and its material consolidated subsidiaries [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfSignificantInvestmentsInSubsidiariesLineItems |
| 1772 |
Key operation activities |
Concept (Text/String) |
For Period |
|
kep:KeyOperationActivities |
| 1773 |
Country of incorporation of subsidiary |
Concept (Text/String) |
For Period |
|
ifrs-full:CountryOfIncorporationOrResidenceOfSubsidiary |
| 1774 |
Proportion of ownership interest in subsidiary |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInSubsidiary |
| 1775 |
Reason |
Concept (Text/String) |
For Period |
|
kep:Reason |
| 1776 |
24160300 - Disclosure - Summary of financial information of consolidated subsidiaries (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/SummaryOfFinancialInformationOfConsolidatedSubsidiariesDetails |
| 1777 |
Disclosure - Summary of financial information of consolidated subsidiaries [Table] |
Table |
* |
* |
kep:DisclosureOfSummaryOfFinancialInformationOfConsolidatedSubsidiariesTable |
| 1778 |
Subsidiaries [Axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 1779 |
Entity's total for subsidiaries [Domain] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 1780 |
Subsidiaries [Member] |
Member |
|
|
ifrs-full:SubsidiariesMember |
| 1781 |
Korea Hydro & Nuclear Power [Member] |
Member |
|
|
kep:KoreaHydroNuclearPowerMember |
| 1782 |
Korea South-East Power [Member] |
Member |
|
|
kep:KoreaSouthEastPowerMember |
| 1783 |
Korea Midland Power [Member] |
Member |
|
|
kep:KoreaMidlandPowerMember |
| 1784 |
Korea Western Power [Member] |
Member |
|
|
kep:KoreaWesternPowerMember |
| 1785 |
Korea Southern Power [Member] |
Member |
|
|
kep:KoreaSouthernPowerMember |
| 1786 |
Korea East-West Power [Member] |
Member |
|
|
kep:KoreaEastWestPowerMember |
| 1787 |
KEPCO Engineering & Construction Company [Member] |
Member |
|
|
kep:KEPCOEngineeringConstructionCompanyMember |
| 1788 |
KEPCO Plant Service & Engineering [Member] |
Member |
|
|
kep:KEPCOPlantServiceEngineeringMember |
| 1789 |
KEPCO Nuclear Fuel [Member] |
Member |
|
|
kep:KEPCONuclearFuelMember |
| 1790 |
KEPCO KDN [Member] |
Member |
|
|
kep:KEPCOKDNMember |
| 1791 |
Garolim Tidal Power Plant [Member] |
Member |
|
|
kep:GarolimTidalPowerPlantMember |
| 1792 |
KEPCO International HongKong [Member] |
Member |
|
|
kep:KEPCOInternationalHongKongMember |
| 1793 |
KEPCO International Philippines [Member] |
Member |
|
|
kep:KEPCOInternationalPhilippinesMember |
| 1794 |
KEPCO Gansu International [Member] |
Member |
|
|
kep:KEPCOGansuInternationalMember |
| 1795 |
KEPCO Philippines Holdings [Member] |
Member |
|
|
kep:KEPCOPhilippinesHoldingsMember |
| 1796 |
KEPCO Philippines Corporation [Member] |
Member |
|
|
kep:KEPCOPhilippinesCorporationMember |
| 1797 |
KEPCO Ilijan Corporation [Member] |
Member |
|
|
kep:KEPCOIlijanCorporationMember |
| 1798 |
KEPCO Lebanon SARL [Member] |
Member |
|
|
kep:KEPCOLebanonSARLMember |
| 1799 |
KEPCO Neimenggu International [Member] |
Member |
|
|
kep:KEPCONeimengguInternationalMember |
| 1800 |
KEPCO Shanxi International [Member] |
Member |
|
|
kep:KEPCOShanxiInternationalMember |
| 1801 |
KOMIPO Global Pte [Member] |
Member |
|
|
kep:KOMIPOGlobalPteMember |
| 1802 |
KEPCO Canada Energy [Member] |
Member |
|
|
kep:KEPCOCanadaEnergyMember |
| 1803 |
KEPCO Netherlands B.V. [Member] |
Member |
|
|
kep:KEPCONetherlandsBVMember |
| 1804 |
KOREA Imouraren Uranium Investment Corp. [Member] |
Member |
|
|
kep:KOREAImourarenUraniumInvestmentCorpMember |
| 1805 |
KEPCO Australia [Member] |
Member |
|
|
kep:KEPCOAustraliaMember |
| 1806 |
KOSEP Australia [Member] |
Member |
|
|
kep:KOSEPAustraliaMember |
| 1807 |
KOMIPO Australia [Member] |
Member |
|
|
kep:KOMIPOAustraliaMember |
| 1808 |
KOWEPO Australia [Member] |
Member |
|
|
kep:KOWEPOAustraliaMember |
| 1809 |
KOSPO Australia [Member] |
Member |
|
|
kep:KOSPOAustraliaMember |
| 1810 |
KEPCO Middle East Holding Company [Member] |
Member |
|
|
kep:KEPCOMiddleEastHoldingCompanyMember |
| 1811 |
Qatrana Electric Power Company [Member] |
Member |
|
|
kep:QatranaElectricPowerCompanyMember |
| 1812 |
KHNP Canada Energy [Member] |
Member |
|
|
kep:KHNPCanadaEnergyMember |
| 1813 |
KEPCO Bylong Australia [Member] |
Member |
|
|
kep:KEPCOBylongAustraliaMember |
| 1814 |
Korea Waterbury Uranium Limited Partnership [Member] |
Member |
|
|
kep:KoreaWaterburyUraniumLimitedPartnershipMember |
| 1815 |
Korea Electric Power Nigeria [Member] |
Member |
|
|
kep:KoreaElectricPowerNigeriaMember |
| 1816 |
KEPCO Holdings de Mexico [Member] |
Member |
|
|
kep:KEPCOHoldingsdeMexicoMember |
| 1817 |
KST Electric Power Company [Member] |
Member |
|
|
kep:KSTElectricPowerCompanyMember |
| 1818 |
KEPCO Energy Service Company [Member] |
Member |
|
|
kep:KEPCOEnergyServiceCompanyMember |
| 1819 |
KEPCO Netherlands S3 B.V. [Member] |
Member |
|
|
kep:KEPCONetherlandsS3BVMember |
| 1820 |
PT. KOMIPO Pembangkitan Jawa Bali [Member] |
Member |
|
|
kep:PTKOMIPOPembangkitanJawaBaliMember |
| 1821 |
PT. Cirebon Power Service [Member] |
Member |
|
|
kep:PTCirebonPowerServiceMember |
| 1822 |
KOWEPO International Corporation [Member] |
Member |
|
|
kep:KOWEPOInternationalCorporationMember |
| 1823 |
KOSPO Jordan [Member] |
Member |
|
|
kep:KOSPOJordanMember |
| 1824 |
EWP Philippines Corporation [Member] |
Member |
|
|
kep:EWPPhilippinesCorporationMember |
| 1825 |
EWP America [Member] |
Member |
|
|
kep:EWPAmericaMember |
| 1826 |
KNF Canada Energy Limited [Member] |
Member |
|
|
kep:KNFCanadaEnergyLimitedMember |
| 1827 |
PT KEPCO Resource Indonesia [Member] |
Member |
|
|
kep:PTKEPCOResourceIndonesiaMember |
| 1828 |
EWP Barbados 1 SRL [Member] |
Member |
|
|
kep:EWPBarbados1SRLMember |
| 1829 |
Gyeonggi Green Energy [Member] |
Member |
|
|
kep:GyeonggiGreenEnergyMember |
| 1830 |
PT. Tanggamus Electric Power [Member] |
Member |
|
|
kep:PTTanggamusElectricPowerMember |
| 1831 |
Gyeongju Wind Power [Member] |
Member |
|
|
kep:GyeongjuWindPowerMember |
| 1832 |
KOMIPO America [Member] |
Member |
|
|
kep:KOMIPOAmericaMember |
| 1833 |
KOSEP USA INC. [Member] |
Member |
|
|
kep:KOSEPUSAINCMember |
| 1834 |
PT. EWP Indonesia [Member] |
Member |
|
|
kep:PTEWPIndonesiaMember |
| 1835 |
KEPCO Netherlands J3 B.V. [Member] |
Member |
|
|
kep:KEPCONetherlandsJ3BVMember |
| 1836 |
Korea Offshore Wind Power [Member] |
Member |
|
|
kep:KoreaOffshoreWindPowerMember |
| 1837 |
Global One Pioneer B.V. [Member] |
Member |
|
|
kep:GlobalOnePioneerBVMember |
| 1838 |
Global Energy Pioneer B.V. [Member] |
Member |
|
|
kep:GlobalEnergyPioneerBVMember |
| 1839 |
Mira Power Limited [Member] |
Member |
|
|
kep:MiraPowerLimitedMember |
| 1840 |
KOSEP Material [Member] |
Member |
|
|
kep:KOSEPMaterialMember |
| 1841 |
Commerce and Industry Energy [Member] |
Member |
|
|
kep:CommerceandIndustryEnergyMember |
| 1842 |
KEPCO Singapore Holdings Pte. [Member] |
Member |
|
|
kep:KEPCOSingaporeHoldingsPteMember |
| 1843 |
KOWEPO India Private Limited [Member] |
Member |
|
|
kep:KOWEPOIndiaPrivateLimitedMember |
| 1844 |
KEPCO KPS Philippines Corp. [Member] |
Member |
|
|
kep:KEPCOKPSPhilippinesCorpMember |
| 1845 |
KOSPO Chile SpA [Member] |
Member |
|
|
kep:KOSPOChileSpAMember |
| 1846 |
PT. KOWEPO Sumsel Operation and Maintenance Services [Member] |
Member |
|
|
kep:PTKOWEPOSumselOperationandMaintenanceServicesMember |
| 1847 |
HeeMang Sunlight Power [Member] |
Member |
|
|
kep:HeeMangSunlightPowerMember |
| 1848 |
Fujeij Wind Power Company [Member] |
Member |
|
|
kep:FujeijWindPowerCompanyMember |
| 1849 |
KOSPO Youngnam Power [Member] |
Member |
|
|
kep:KOSPOYoungnamPowerMember |
| 1850 |
HI Carbon Professional Private Special Asset Investment Trust 1 [Member] |
Member |
|
|
kep:HICarbonProfessionalPrivateSpecialAssetInvestmentTrust1Member |
| 1851 |
Chitose Solar Power Plant [Member] |
Member |
|
|
kep:ChitoseSolarPowerPlantMember |
| 1852 |
KEPCO Energy Solution [Member] |
Member |
|
|
kep:KEPCOEnergySolutionMember |
| 1853 |
Solar School Plant [Member] |
Member |
|
|
kep:SolarSchoolPlantMember |
| 1854 |
KOSPO Power Services Limitada [Member] |
Member |
|
|
kep:KOSPOPowerServicesLimitadaMember |
| 1855 |
Energy New Industry Specialized Investment Private Investment Trust [Member] |
Member |
|
|
kep:EnergyNewIndustrySpecializedInvestmentPrivateInvestmentTrustMember |
| 1856 |
KOEN Bylong [Member] |
Member |
|
|
kep:KOENBylongMember |
| 1857 |
KOMIPO Bylong [Member] |
Member |
|
|
kep:KOMIPOBylongMember |
| 1858 |
KOWEPO Bylong [Member] |
Member |
|
|
kep:KOWEPOBylongMember |
| 1859 |
KOSPO Bylong [Member] |
Member |
|
|
kep:KOSPOBylongMember |
| 1860 |
EWP Bylong [Member] |
Member |
|
|
kep:EWPBylongMember |
| 1861 |
KOWEPO Lao International [Member] |
Member |
|
|
kep:KOWEPOLaoInternationalMember |
| 1862 |
KEPCO US [Member] |
Member |
|
|
kep:KEPCOUSMember |
| 1863 |
KEPCO Alamosa [Member] |
Member |
|
|
kep:KEPCOAlamosaMember |
| 1864 |
Cogentrix Solar Services [Member] |
Member |
|
|
kep:CogentrixSolarServicesMember |
| 1865 |
KEPCO-LG CNS Mangilao Holdings [Member] |
Member |
|
|
kep:KEPCOLGCNSMangilaoHoldingsMember |
| 1866 |
Mangilao Investment [Member] |
Member |
|
|
kep:MangilaoInvestmentMember |
| 1867 |
KEPCO-LG CNS Mangilao Solar [Member] |
Member |
|
|
kep:KEPCOLGCNSMangilaoSolarMember |
| 1868 |
Jeju Hanlim Offshore Wind Co [Member] |
Member |
|
|
kep:JejuHanlimOffshoreWindCoMember |
| 1869 |
PT. Siborpa Eco Power [Member] |
Member |
|
|
kep:PTSiborpaEcoPowerMember |
| 1870 |
Disclosure - Summary of financial information of consolidated subsidiaries [Line Items] |
LineItems |
|
|
kep:DisclosureOfSummaryOfFinancialInformationOfConsolidatedSubsidiariesLineItems |
| 1871 |
Total assets |
Concept (Monetary) |
As Of |
Debit |
kep:TotalAssetsOfSubsidiaries |
| 1872 |
Total liabilities |
Concept (Monetary) |
As Of |
Credit |
kep:TotalLiabilitiesOfSubsidiaries |
| 1873 |
Sales |
Concept (Monetary) |
For Period |
Credit |
kep:SalesOfSubsidiaries |
| 1874 |
Profit (loss) for the period |
Concept (Monetary) |
For Period |
Credit |
kep:ProfitLossForThePeriodOfSubsidiaries |
| 1875 |
24160500 - Disclosure - Details of non-controlling interest prior to intra-group eliminations (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DetailOfNoncontrollingInterestPriorToIntragroupEliminationsDetails |
| 1876 |
Disclosure - Details of non-controlling interest prior to intra-group eliminations [Table] |
Table |
* |
* |
kep:DisclosureOfDetailsOfNonControllingInterestPriorToIntraGroupEliminationsTable |
| 1877 |
Subsidiaries [Axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 1878 |
Entity's total for subsidiaries [Domain] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 1879 |
Subsidiaries [Member] |
Member |
|
|
ifrs-full:SubsidiariesMember |
| 1880 |
KEPCO Ilijan Corporation [Member] |
Member |
|
|
kep:KEPCOIlijanCorporationMember |
| 1881 |
KEPCO Plant Service & Engineering [Member] |
Member |
|
|
kep:KEPCOPlantServiceEngineeringMember |
| 1882 |
KEPCO Engineering & Construction Company [Member] |
Member |
|
|
kep:KEPCOEngineeringConstructionCompanyMember |
| 1883 |
Others [Member] |
Member |
|
|
kep:OtherSubsidiariesMember |
| 1884 |
Disclosure - Details of non-controlling interest prior to intra-group eliminations [Line Items] |
LineItems |
|
|
kep:DisclosureOfDetailsOfNonControllingInterestPriorToIntraGroupEliminationsLineItems |
| 1885 |
Percentage of noncontrolling interest |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestsHeldByNoncontrollingInterests |
| 1886 |
Current assets of subsidiaries |
Concept (Monetary) |
As Of |
Debit |
kep:CurrentAssetsOfSubsidiaries |
| 1887 |
Non-current assets of subsidiaries |
Concept (Monetary) |
As Of |
Debit |
kep:NonCurrentAssetsOfSubsidiaries |
| 1888 |
Current liabilities of subsidiaries |
Concept (Monetary) |
As Of |
Credit |
kep:CurrentLiabilitiesOfSubsidiaries |
| 1889 |
Non-current liabilities of subsidiaries |
Concept (Monetary) |
As Of |
Credit |
kep:NonCurrentLiabilitiesOfSubsidiaries |
| 1890 |
Net assets of subsidiaries |
Concept (Monetary) |
As Of |
Debit |
kep:NetAssetsOfSubsidiaries |
| 1891 |
Book value of non-controlling interest |
Concept (Monetary) |
As Of |
Debit |
kep:BookValueOfNonControllingInterest |
| 1892 |
Sales of subsidiaries |
Concept (Monetary) |
For Period |
Credit |
kep:SalesOfSubsidiariesNonControllingInterest |
| 1893 |
Profit for the period of subsidiaries |
Concept (Monetary) |
For Period |
Credit |
kep:ProfitLossForThePeriodOfSubsidiariesNonControllingInterest |
| 1894 |
Profit for the period attributable to non-controlling interest of subsidiaries |
Concept (Monetary) |
For Period |
Credit |
kep:ProfitForThePeriodAttributableToNonControllingInterestOfSubsidiaries |
| 1895 |
Cash flows from operating activities of subsidiaries |
Concept (Monetary) |
For Period |
Debit |
kep:CashFlowsFromOperatingActivitiesOfSubsidiaries |
| 1896 |
Cash flows from investing activities of subsidiaries |
Concept (Monetary) |
For Period |
Debit |
kep:CashFlowsFromInvestingActivitiesOfSubsidiaries |
| 1897 |
Cash flows from financing activities before dividends to non-controlling interest of subsidiaries |
Concept (Monetary) |
For Period |
Debit |
kep:CashFlowsFromFinancingActivitiesBeforeDividendsToNonControllingInterestOfSubsidiaries |
| 1898 |
Dividends to non-controlling interest of subsidiaries |
Concept (Monetary) |
For Period |
Credit |
kep:DividendsToNonControllingInterestOfSubsidiaries |
| 1899 |
Effect of exchange rate fluctuation of subsidiaries |
Concept (Monetary) |
For Period |
Debit |
kep:EffectOfExchangeRateFluctuationOfSubsidiaries |
| 1900 |
Net increase (decrease) of cash and cash equivalents of subsidiaries |
Concept (Monetary) |
For Period |
Debit |
kep:NetIncreaseDecreaseOfCashAndCashEquivalentsOfSubsidiaries |
| 1901 |
24160701 - Disclosure - Gain (loss) from Disposals of subsidiaries (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/GainlossOfDisposaledSubsidiariesDetails |
| 1902 |
Disclosure of Gain (loss) of Disposaled subsidiaries [Table] |
Table |
* |
* |
kep:DisclosureOfGainLossOfDisposaledSubsidiariesTable |
| 1903 |
Subsidiaries [Axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 1904 |
Entity's total for subsidiaries [Domain] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 1905 |
Subsidiaries [Member] |
Member |
|
|
ifrs-full:SubsidiariesMember |
| 1906 |
gain (loss) of Disposaled subsidiaries [Member] |
Member |
|
|
kep:GainLossOfDisposaledSubsidiariesMember |
| 1907 |
Fair value of Disposaled subsidiaries [Member] |
Member |
|
|
kep:FairValueOfDisposaledSubsidiariesMember |
| 1908 |
Consideration received in cash [Member] |
Member |
|
|
kep:ConsiderationReceivedInCashMember |
| 1909 |
Fair value of remaining shares after disposal [Member] |
Member |
|
|
kep:FairValueOfRemainingSharesAfterDisposalMember |
| 1910 |
Net assets transferred due to dissolution [Member] |
Member |
|
|
kep:NetAssetsTransferredDueToDissolutionMember |
| 1911 |
Carrying value of Disposaled subsidiaries [Member] |
Member |
|
|
kep:CarryingValueOfDisposaledSubsidiariesMember |
| 1912 |
Cash and Cash Equivalents [Member] |
Member |
|
|
us-gaap:CashAndCashEquivalentsMember |
| 1913 |
Total current financial assets [Member] |
Member |
|
|
kep:CurrentFinancialAssetsMember |
| 1914 |
Financial assets available-for-sale [Member] |
Member |
|
|
us-gaap:AvailableforsaleSecuritiesMember |
| 1915 |
Property, Plant and Equipment [Member] |
Member |
|
|
us-gaap:PropertyPlantAndEquipmentMember |
| 1916 |
Others [Member] |
Member |
|
|
us-gaap:OtherNoncurrentAssetsMember |
| 1917 |
Current financial liabilities [Member] |
Member |
|
|
kep:CurrentFinancialLiabilitiesMember |
| 1918 |
Current non-financial liabilities [Member] |
Member |
|
|
kep:CurrentNonFinancialLiabilitiesMember |
| 1919 |
Non-controlling interests [Member] |
Member |
|
|
ifrs-full:NoncontrollingInterestsMember |
| 1920 |
Realization of unrealized gain [Member] |
Member |
|
|
kep:RealizationOfUnrealizedGainMember |
| 1921 |
Other comprehensive income [Member] |
Member |
|
|
ifrs-full:AccumulatedOtherComprehensiveIncomeMember |
| 1922 |
Disclosure of Gain (loss) of Disposaled subsidiaries [Line Items] |
LineItems |
|
|
kep:DisclosureOfGainLossOfDisposaledSubsidiariesLineItems |
| 1923 |
gain (loss) of Disposaled subsidiaries |
Concept (Monetary) |
For Period |
Credit |
kep:GainLossOfDisposaledSubsidiaries |
| 1924 |
24160702 - Disclosure - Cashflows From Disposaled subsidiaries (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/CashflowsFromDisposaledSubsidiariesDetails |
| 1925 |
Disclosure of Cashflows From Disposaled subsidiaries [Table] |
Table |
* |
* |
kep:DisclosureOfCashFlowsFromDisposaledSubsidiariesTable |
| 1926 |
Subsidiaries [Axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 1927 |
Entity's total for subsidiaries [Domain] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 1928 |
Subsidiaries [Member] |
Member |
|
|
ifrs-full:SubsidiariesMember |
| 1929 |
Net cash flow of Disposaled subsidiaries [Member] |
Member |
|
|
kep:NetCashFlowOfDisposaledSubsidiariesMember |
| 1930 |
Consideration received in cash [Member] |
Member |
|
|
kep:ConsiderationReceivedInCashMember |
| 1931 |
Less: cash held by disposed subsidiaries [Member] |
Member |
|
|
kep:LessCashHeldByDisposedSubsidiariesMember |
| 1932 |
Disclosure of Cashflows From Disposaled subsidiaries [Line Items] |
LineItems |
|
|
kep:DisclosureOfCashFlowsFromDisposaledSubsidiariesLineItems |
| 1933 |
Net cash flow of Disposaled subsidiaries |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CashFlowsFromLosingControlOfSubsidiariesOrOtherBusinessesClassifiedAsInvestingActivities |
| 1934 |
24160800 - Disclosure - Cash dividends received from subsidiaries (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/CashDividendsReceivedFromSubsidiariesDetails |
| 1935 |
Disclosure of Cash dividends received from subsidiaries [Table] |
Table |
* |
* |
kep:DisclosureOfashDividendsReceivedFromSubsidiariesTable |
| 1936 |
Subsidiaries [Axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInSubsidiariesAxis |
| 1937 |
Entity's total for subsidiaries [Domain] |
Member |
|
|
ifrs-full:EntitysTotalForSubsidiariesMember |
| 1938 |
Subsidiaries [Member] |
Member |
|
|
ifrs-full:SubsidiariesMember |
| 1939 |
Korea Hydro & Nuclear Power [Member] |
Member |
|
|
kep:KoreaHydroNuclearPowerMember |
| 1940 |
Korea South-East Power [Member] |
Member |
|
|
kep:KoreaSouthEastPowerMember |
| 1941 |
Korea Midland Power [Member] |
Member |
|
|
kep:KoreaMidlandPowerMember |
| 1942 |
Korea Western Power [Member] |
Member |
|
|
kep:KoreaWesternPowerMember |
| 1943 |
Korea Southern Power [Member] |
Member |
|
|
kep:KoreaSouthernPowerMember |
| 1944 |
Korea East-West Power [Member] |
Member |
|
|
kep:KoreaEastWestPowerMember |
| 1945 |
KEPCO Engineering & Construction Company [Member] |
Member |
|
|
kep:KEPCOEngineeringConstructionCompanyMember |
| 1946 |
KEPCO Plant Service & Engineering [Member] |
Member |
|
|
kep:KEPCOPlantServiceEngineeringMember |
| 1947 |
KEPCO Nuclear Fuel [Member] |
Member |
|
|
kep:KEPCONuclearFuelMember |
| 1948 |
KEPCO KDN [Member] |
Member |
|
|
kep:KEPCOKDNMember |
| 1949 |
KEPCO International HongKong [Member] |
Member |
|
|
kep:KEPCOInternationalHongKongMember |
| 1950 |
KEPCO International Philippines [Member] |
Member |
|
|
kep:KEPCOInternationalPhilippinesMember |
| 1951 |
KEPCO Ilijan Corporation [Member] |
Member |
|
|
kep:KEPCOIlijanCorporationMember |
| 1952 |
KEPCO Philippines Holdings [Member] |
Member |
|
|
kep:KEPCOPhilippinesHoldingsMember |
| 1953 |
KEPCO Neimenggu International [Member] |
Member |
|
|
kep:KEPCONeimengguInternationalMember |
| 1954 |
KOMIPO Global Pte [Member] |
Member |
|
|
kep:KOMIPOGlobalPteMember |
| 1955 |
Qatrana Electric Power Company [Member] |
Member |
|
|
kep:QatranaElectricPowerCompanyMember |
| 1956 |
KOSPO Jordan [Member] |
Member |
|
|
kep:KOSPOJordanMember |
| 1957 |
KEPCO Energy Service Company [Member] |
Member |
|
|
kep:KEPCOEnergyServiceCompanyMember |
| 1958 |
EWP Philippines Corporation [Member] |
Member |
|
|
kep:EWPPhilippinesCorporationMember |
| 1959 |
KEPCO Netherlands S3 B.V. [Member] |
Member |
|
|
kep:KEPCONetherlandsS3BVMember |
| 1960 |
PT. KOMIPO Pembangkitan Jawa Bali [Member] |
Member |
|
|
kep:PTKOMIPOPembangkitanJawaBaliMember |
| 1961 |
KEPCO Netherlands J3 B.V. [Member] |
Member |
|
|
kep:KEPCONetherlandsJ3BVMember |
| 1962 |
Gyeongju Wind Power [Member] |
Member |
|
|
kep:GyeongjuWindPowerMember |
| 1963 |
Energy New Industry Specialized Investment Private Investment Trust [Member] |
Member |
|
|
kep:EnergyNewIndustrySpecializedInvestmentPrivateInvestmentTrustMember |
| 1964 |
HI Carbon Professional Private Special Asset Investment Trust 1 [Member] |
Member |
|
|
kep:HICarbonProfessionalPrivateSpecialAssetInvestmentTrust1Member |
| 1965 |
KOSPO Power Services Limitada [Member] |
Member |
|
|
kep:KOSPOPowerServicesLimitadaMember |
| 1966 |
Cogentrix Solar Services [Member] |
Member |
|
|
kep:CogentrixSolarServicesMember |
| 1967 |
Disclosure of Cash dividends received from subsidiaries [Line Items] |
LineItems |
|
|
kep:DisclosureOfashDividendsReceivedFromSubsidiariesLineItems |
| 1968 |
Cash dividends received from subsidiaries |
Concept (Monetary) |
For Period |
Debit |
kep:CashDividendsReceivedFromSubsidiaries |
| 1969 |
24170100 - Disclosure - Investments in Associates (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/InvestmentsInAssociatesDetails |
| 1970 |
Disclosure of associates [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesTable |
| 1971 |
Investments in Associates [Axis] |
Axis |
|
|
ifrs-full:SignificantInvestmentsInAssociatesAxis |
| 1972 |
Entity's total for associates [Domain] |
Member |
|
|
ifrs-full:EntitysTotalForAssociatesMember |
| 1973 |
Daegu Green Power Co., Ltd. [Member] |
Member |
|
|
kep:DaeguGreenPowerAssociatesMember |
| 1974 |
Korea Gas Corporation [Member] |
Member |
|
|
kep:KoreaGasCorporationMember |
| 1975 |
Korea Electric Power Industrial Development Co., Ltd. [Member] |
Member |
|
|
kep:KoreaElectricPowerIndustrialDevelopmentMember |
| 1976 |
YTN Co., Ltd. [Member] |
Member |
|
|
kep:YTNMember |
| 1977 |
Cheongna Energy Co., Ltd. [Member] |
Member |
|
|
kep:CheongnaEnergyMember |
| 1978 |
Gangwon Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:GangwonWindPowerMember |
| 1979 |
Hyundai Green Power Co., Ltd. [Member] |
Member |
|
|
kep:HyundaiGreenPowerMember |
| 1980 |
Korea Power Exchange [Member] |
Member |
|
|
kep:KoreaPowerExchangeMember |
| 1981 |
AMEC Partners Korea Ltd. [Member] |
Member |
|
|
kep:AMECPartnersKoreaMember |
| 1982 |
Hyundai Energy [Member] |
Member |
|
|
kep:HyundaiEnergyMember |
| 1983 |
Ecollite Co., Ltd. [Member] |
Member |
|
|
kep:EcolliteMember |
| 1984 |
Taebaek Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:TaebaekWindPowerMember |
| 1985 |
Taeback Guinemi Wind Power Co., Ltd. (formerly, Muju Wind Power Co., Ltd.) [Member] |
Member |
|
|
kep:TaebackGuinemiWindPowerMember |
| 1986 |
Pyeongchang Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:PyeongchangWindPowerMember |
| 1987 |
Daeryun Power Co., Ltd. [Member] |
Member |
|
|
kep:DaeryunPowerMember |
| 1988 |
JinanJangsu Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:JinanJangsuWindPowerMember |
| 1989 |
Changjuk Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:ChangjukWindPowerMember |
| 1990 |
KNH Solar Co., Ltd. [Member] |
Member |
|
|
kep:KNHSolarMember |
| 1991 |
SPC Power Corporation [Member] |
Member |
|
|
kep:SPCPowerCorporationMember |
| 1992 |
Gemeng International Energy Co., Ltd. [Member] |
Member |
|
|
kep:GemengInternationalEnergyMember |
| 1993 |
PT. Cirebon Electric Power [Member] |
Member |
|
|
kep:PTCirebonElectricPowerMember |
| 1994 |
KNOC Nigerian East Oil [Member] |
Member |
|
|
kep:KNOCNigerianEastOilMember |
| 1995 |
KNOC Nigerian West Oil [Member] |
Member |
|
|
kep:KNOCNigerianWestOilMember |
| 1996 |
Dolphin Property Limited [Member] |
Member |
|
|
kep:DolphinPropertyMember |
| 1997 |
PT Wampu Electric Power [Member] |
Member |
|
|
kep:PTWampuElectricPowerMember |
| 1998 |
PT. Bayan Resources TBK [Member] |
Member |
|
|
kep:PTBayanResourcesTBKMember |
| 1999 |
S-Power Co., Ltd. [Member] |
Member |
|
|
kep:SPowerMember |
| 2000 |
Pioneer Gas Power Limited [Member] |
Member |
|
|
kep:PioneerGasPowerMember |
| 2001 |
Eurasia Energy Holdings [Member] |
Member |
|
|
kep:EurasiaEnergyHoldingsMember |
| 2002 |
Xe-Pian Xe-Namnoy Power [Member] |
Member |
|
|
kep:XePianXeNamnoyPowerMember |
| 2003 |
Busan Solar [Member] |
Member |
|
|
kep:BusanSolarMember |
| 2004 |
Hadong Mineral Fiber Co., Ltd. [Member] |
Member |
|
|
kep:HadongMineralFiberMember |
| 2005 |
Green Biomass Co., Ltd. [Member] |
Member |
|
|
kep:GreenBiomassMember |
| 2006 |
PT. Mutiara Jawa [Member] |
Member |
|
|
kep:PTMutiaraJawaMember |
| 2007 |
Samcheok Eco Materials Co., Ltd. [Member] |
Member |
|
|
kep:SamcheokEcoMaterialsMember |
| 2008 |
Noeul Green Energy Co., Ltd. [Member] |
Member |
|
|
kep:NoeulGreenEnergyMember |
| 2009 |
Naepo Green Energy Co., Ltd. [Member] |
Member |
|
|
kep:NaepoGreenEnergyMember |
| 2010 |
Goseong Green Energy Co., Ltd. [Member] |
Member |
|
|
kep:GoseongGreenEnergyMember |
| 2011 |
Gangneung Eco Power Co., Ltd. [Member] |
Member |
|
|
kep:GangneungEcoPowerMember |
| 2012 |
Shin Pyeongtaek Power Co., Ltd. [Member] |
Member |
|
|
kep:ShinPyeongtaekPowerMember |
| 2013 |
Heang Bok Do Si Photovoltaic Power Co., Ltd. [Member] |
Member |
|
|
kep:HeangBokDoSiPhotovoltaicPowerMember |
| 2014 |
DS POWER Co., Ltd. [Member] |
Member |
|
|
kep:DSPOWERMember |
| 2015 |
Dongducheon Dream Power Co., Ltd. [Member] |
Member |
|
|
kep:DongducheonDreamPowerMember |
| 2016 |
KS Solar Co., Ltd. [Member] |
Member |
|
|
kep:KSSolarMember |
| 2017 |
Yeongwol Energy Station Co., Ltd. [Member] |
Member |
|
|
kep:YeongwolEnergyStationMember |
| 2018 |
Jinbhuvish Power Generation Pvt. Ltd. [Member] |
Member |
|
|
kep:JinbhuvishPowerGenerationPvtMember |
| 2019 |
SE Green Energy Co., Ltd. [Member] |
Member |
|
|
kep:SEGreenEnergyMember |
| 2020 |
Daegu Photovoltaic Co., Ltd. [Member] |
Member |
|
|
kep:DaeguPhotovoltaicMember |
| 2021 |
Jeongam Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:JeongamWindPowerMember |
| 2022 |
Korea Power Engineering Service Co., Ltd. [Member] |
Member |
|
|
kep:KoreaPowerEngineeringServiceMember |
| 2023 |
Busan Green Energy Co., Ltd. [Member] |
Member |
|
|
kep:BusanGreenEnergyMember |
| 2024 |
Gunsan Bio Energy Co., Ltd. (formerly, Jungbu Bio Energy Co., Ltd.) [Member] |
Member |
|
|
kep:GunsanBioEnergyMember |
| 2025 |
Korea Electric Vehicle Charging Service [Member] |
Member |
|
|
kep:KoreaElectricVehicleChargingServiceMember |
| 2026 |
Ulleungdo Natural Energy Co., Ltd. [Member] |
Member |
|
|
kep:UlleungdoNaturalEnergyMember |
| 2027 |
Korea Nuclear Partners Co., Ltd. [Member] |
Member |
|
|
kep:KoreaNuclearPartnersMember |
| 2028 |
Tamra Offshore Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:TamraOffshoreWindPowerMember |
| 2029 |
Korea Electric Power Corporation Fund [Member] |
Member |
|
|
kep:KoreaElectricPowerCorporationFundMember |
| 2030 |
Energy Infra Asset Management Co., Ltd. [Member] |
Member |
|
|
kep:EnergyInfraAssetManagementMember |
| 2031 |
Daegu clean Energy Co., Ltd. [Member] |
Member |
|
|
kep:DaegucleanEnergyMember |
| 2032 |
YaksuESS Co., Ltd [Member] |
Member |
|
|
kep:YaksuESSLtdMember |
| 2033 |
Nepal Water & Energy Development Company Private Limited [Member] |
Member |
|
|
kep:NepalWaterEnergyDevelopmentMember |
| 2034 |
Gwangyang Green Energy Co., Ltd [Member] |
Member |
|
|
kep:GwangyangGreenEnergyMember |
| 2035 |
PND solar., Ltd [Member] |
Member |
|
|
kep:PNDSolarMember |
| 2036 |
Disclosure of associates [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfSignificantInvestmentsInAssociatesLineItems |
| 2037 |
Key operation activities |
Concept (Text/String) |
For Period |
|
kep:KeyOperationActivities |
| 2038 |
Location |
Concept (Text/String) |
For Period |
|
ifrs-full:PrincipalPlaceOfBusinessOfAssociate |
| 2039 |
Percentage of ownership |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInAssociate |
| 2040 |
Acquisition cost |
Concept (Monetary) |
As Of |
Debit |
kep:AcquisitionCostOfAssociates |
| 2041 |
Book value [Abstract] |
Abstract |
|
|
kep:ChangeInInvestmentsInAssociatesAccountedForUsingEquityMethodAbstract |
| 2042 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentsInAssociatesAccountedForUsingEquityMethod |
| 2043 |
Acquisition |
Concept (Monetary) |
For Period |
Debit |
kep:IncreaseOfInvestmentsInAssociates |
| 2044 |
Disposal |
Concept (Monetary) |
For Period |
Credit |
kep:DecreaseOfInvestmentsInAssociates |
| 2045 |
Dividends received |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DividendsReceivedFromAssociatesClassifiedAsInvestingActivities |
| 2046 |
Share of income (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfProfitLossOfAssociatesAccountedForUsingEquityMethod |
| 2047 |
Other comprehensive income (loss) |
Concept (Monetary) |
For Period |
Credit |
kep:ShareOfOtherComprehensiveIncomeOfAssociatesAccountedForUsingEquityMethod |
| 2048 |
Others (book value) |
Concept (Monetary) |
For Period |
Debit |
kep:IncreaseDecreaseOfInvestmentsInAssociatesForOtherReasons |
| 2049 |
Ending balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentsInAssociatesAccountedForUsingEquityMethod |
| 2050 |
The fair value of associates |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FairValueOfInvestmentsInAssociatesWherePriceQuotationsPublished |
| 2051 |
Share in net assets |
Concept (Monetary) |
As Of |
Debit |
kep:ShareOfNetAssetsOfAssociates |
| 2052 |
Total assets |
Concept (Monetary) |
As Of |
Debit |
kep:TotalAssetsOfAssociates |
| 2053 |
Total liabilities |
Concept (Monetary) |
As Of |
Credit |
kep:TotalLiabilitiesOfAssociates |
| 2054 |
Net assets |
Concept (Monetary) |
As Of |
Debit |
kep:NetAssetsOfAssociates |
| 2055 |
Investment differential |
Concept (Monetary) |
For Period |
Debit |
kep:DifferentialOfInvestmentsInAssociates |
| 2056 |
Intercompany transaction |
Concept (Monetary) |
For Period |
Credit |
kep:IntercompanyTransactionWithAssociates |
| 2057 |
Others (consolidated FS) |
Concept (Monetary) |
For Period |
Debit |
kep:IncreaseDecreaseOfInvestmentsInAssociatesForOtherReasonsInConsolidatedFinancialStatements |
| 2058 |
Sales of Associates |
Concept (Monetary) |
For Period |
Credit |
kep:RevenueOfAssociates |
| 2059 |
Profit (loss) for the period of Associates |
Concept (Monetary) |
For Period |
Credit |
kep:ProfitLossOfAssociates |
| 2060 |
Unrecognized equity interest |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:UnrecognisedShareOfLossesOfAssociates |
| 2061 |
Accumulated unrecognized equity interest |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CumulativeUnrecognisedShareOfLossesOfAssociates |
| 2062 |
Shareholders’ agreements that may cause future economic resource or cash outflows |
Concept (Text/String) |
For Period |
|
kep:DisclosureOfContingentLiabilitiesOfInvestmentsInAssociates |
| 2063 |
Significant restrictions on its abilities |
Concept (Text/String) |
For Period |
|
kep:DisclosureOfSignificantRestrictionOnAbilitiesOfInvestmentsInAssociates |
| 2064 |
24170200 - Disclosure - Investments in Joint Ventures (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/InvestmentsInJointVenturesDetails |
| 2065 |
Disclosure of joint ventures [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfJointVenturesTable |
| 2066 |
Joint ventures [Axis] |
Axis |
|
|
ifrs-full:JointVenturesAxis |
| 2067 |
Entity's total for joint ventures [Domain] |
Member |
|
|
ifrs-full:EntitysTotalForJointVenturesMember |
| 2068 |
KEPCO-Uhde Inc. [Member] |
Member |
|
|
kep:KEPCOUhdeMember |
| 2069 |
Eco Biomass Energy Sdn. Bhd. [Member] |
Member |
|
|
kep:EcoBiomassEnergySdnBhdMember |
| 2070 |
Datang Chaoyang Renewable Power Co., Ltd. [Member] |
Member |
|
|
kep:DatangChaoyangRenewablePowerMember |
| 2071 |
Shuweihat Asia Power Investment B.V. [Member] |
Member |
|
|
kep:ShuweihatAsiaPowerInvestmentBVMember |
| 2072 |
Shuweihat Asia Operation & Maintenance Company [Member] |
Member |
|
|
kep:ShuweihatAsiaOperationMaintenanceCompanyMember |
| 2073 |
Waterbury Lake Uranium L.P. [Member] |
Member |
|
|
kep:WaterburyLakeUraniumLPMember |
| 2074 |
ASM-BG Investicii AD [Member] |
Member |
|
|
kep:ASMBGInvesticiiADMember |
| 2075 |
RES Technology AD [Member] |
Member |
|
|
kep:RESTechnologyADMember |
| 2076 |
KV Holdings, Inc. [Member] |
Member |
|
|
kep:KVHoldingsMember |
| 2077 |
KEPCO SPC Power Corporation [Member] |
Member |
|
|
kep:KEPCOSPCPowerCorporationMember |
| 2078 |
Canada Korea Uranium Limited Partnership [Member] |
Member |
|
|
kep:CanadaKoreaUraniumLimitedPartnershipMember |
| 2079 |
Gansu Datang Yumen Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:GansuDatangYumenWindPowerMember |
| 2080 |
Datang Chifeng Renewable Power [Member] |
Member |
|
|
kep:DatangChifengRenewablePowerMember |
| 2081 |
Datang KEPCO Chaoyang Renewable Power Co., Ltd. [Member] |
Member |
|
|
kep:DatangKEPCOChaoyangRenewablePowerMember |
| 2082 |
Rabigh Electricity Company [Member] |
Member |
|
|
kep:RabighElectricityMember |
| 2083 |
Rabigh Operation & Maintenance Company [Member] |
Member |
|
|
kep:RabighOperationMaintenanceMember |
| 2084 |
Jamaica Public Service Company Limited [Member] |
Member |
|
|
kep:JamaicaPublicServiceMember |
| 2085 |
KW Nuclear Components Co., Ltd. [Member] |
Member |
|
|
kep:KWNuclearComponentsMember |
| 2086 |
Busan Shinho Solar Power Co., Ltd. [Member] |
Member |
|
|
kep:BusanShinhoSolarPowerMember |
| 2087 |
GS Donghae Electric Power Co., Ltd. [Member] |
Member |
|
|
kep:GSDonghaeElectricPowerMember |
| 2088 |
Global Trade Of Power System Co., Ltd. [Member] |
Member |
|
|
kep:GlobalTradeOfPowerSystemMember |
| 2089 |
Expressway Solar-light Power Generation Co., Ltd. [Member] |
Member |
|
|
kep:ExpresswaySolarlightPowerGenerationMember |
| 2090 |
KODE NOVUS I LLC [Member] |
Member |
|
|
kep:KODENOVUSILLCMember |
| 2091 |
KODE NOVUS II LLC [Member] |
Member |
|
|
kep:KODENOVUSIILLCMember |
| 2092 |
Daejung Offshore Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:DaejungOffshoreWindPowerMember |
| 2093 |
Amman Asia Electric Power Company [Member] |
Member |
|
|
kep:AmmanAsiaElectricPowerMember |
| 2094 |
KAPES, Inc. (formerly, KEPCO-ALSTOM Power Electronics Systems, Inc.) [Member] |
Member |
|
|
kep:KAPESMember |
| 2095 |
Dangjin Eco Power Co., Ltd. [Member] |
Member |
|
|
kep:DangjinEcoPowerMember |
| 2096 |
Honam Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:HonamWindPowerMember |
| 2097 |
Nepal Water & Energy Development Company Private Limited [Member] |
Member |
|
|
kep:NepalWaterEnergyDevelopmentMember |
| 2098 |
Chun-cheon Energy Co., Ltd. [Member] |
Member |
|
|
kep:ChuncheonEnergyMember |
| 2099 |
Yeonggwangbaeksu Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:YeonggwangbaeksuWindPowerMember |
| 2100 |
Nghi Son 2 Power Ltd. [Member] |
Member |
|
|
kep:NghiSon2PowerMember |
| 2101 |
Kelar S.A [Member] |
Member |
|
|
kep:KelarSAMember |
| 2102 |
PT. Tanjung Power Indonesia [Member] |
Member |
|
|
kep:PTTanjungPowerIndonesiaMember |
| 2103 |
Incheon New Power Co., Ltd. [Member] |
Member |
|
|
kep:IncheonNewPowerMember |
| 2104 |
Seokmun Energy Co., Ltd. [Member] |
Member |
|
|
kep:SeokmunEnergyMember |
| 2105 |
Daehan Wind Power PSC [Member] |
Member |
|
|
kep:DaehanWindPowerPSCMember |
| 2106 |
Barakah One Company [Member] |
Member |
|
|
kep:BarakahOneMember |
| 2107 |
Nawah Energy Company [Member] |
Member |
|
|
kep:NawahEnergyMember |
| 2108 |
MOMENTUM [Member] |
Member |
|
|
kep:MOMENTUMMember |
| 2109 |
Daegu Green Power [Member] |
Member |
|
|
kep:DaeguGreenPowerJointVenturesMember |
| 2110 |
Yeonggwang Wind Power Co., Ltd [Member] |
Member |
|
|
kep:YeonggwangWindPowerMember |
| 2111 |
Chester Solar IV SpA [Member] |
Member |
|
|
kep:ChesterSolarIVSpAMember |
| 2112 |
Chester Solar V SpA [Member] |
Member |
|
|
kep:ChesterSolarVSpAMember |
| 2113 |
Diego de Almagro Solar SpA [Member] |
Member |
|
|
kep:DiegoDeAlmagroSolarSpAMember |
| 2114 |
South Jamaica Power Company Limited [Member] |
Member |
|
|
kep:SouthJamaicaPowerCompanyLimitedMember |
| 2115 |
Disclosure of joint ventures [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfJointVenturesLineItems |
| 2116 |
Key operation activities |
Concept (Text/String) |
For Period |
|
kep:KeyOperationActivities |
| 2117 |
Location |
Concept (Text/String) |
For Period |
|
ifrs-full:PrincipalPlaceOfBusinessOfJointVenture |
| 2118 |
Percentage of ownership |
Concept (Percent) |
For Period |
|
ifrs-full:ProportionOfOwnershipInterestInJointVenture |
| 2119 |
Acquisition cost |
Concept (Monetary) |
As Of |
Debit |
kep:AcquisitionCostOfJointVentures |
| 2120 |
Book value [Abstract] |
Abstract |
|
|
kep:ChangeInInvestmentsInJointVenturesAccountedForUsingEquityMethodAbstract |
| 2121 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentsInJointVenturesAccountedForUsingEquityMethod |
| 2122 |
Acquisition |
Concept (Monetary) |
For Period |
Debit |
kep:IncreaseOfInvestmentsInJointVentures |
| 2123 |
Disposal |
Concept (Monetary) |
For Period |
Credit |
kep:DecreaseOfInvestmentsInJointVentures |
| 2124 |
Dividends received |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DividendsReceivedFromJointVenturesClassifiedAsInvestingActivities |
| 2125 |
Share of income (loss) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ShareOfProfitLossOfJointVenturesAccountedForUsingEquityMethod |
| 2126 |
Other comprehensive income (loss) |
Concept (Monetary) |
For Period |
Credit |
kep:ShareOfOtherComprehensiveIncomeOfJointVenturesAccountedForUsingEquityMethod |
| 2127 |
Others (book value) |
Concept (Monetary) |
For Period |
Debit |
kep:IncreaseDecreaseOfInvestmentsInJointVenturesForOtherReasons |
| 2128 |
Ending balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentsInJointVenturesAccountedForUsingEquityMethod |
| 2129 |
Share in net assets |
Concept (Monetary) |
As Of |
Debit |
kep:ShareOfNetAssetsOfJointVentures |
| 2130 |
Total assets |
Concept (Monetary) |
As Of |
Debit |
kep:TotalAssetsOfJointVentures |
| 2131 |
Total liabilities |
Concept (Monetary) |
As Of |
Credit |
kep:TotalLiabilitiesOfJointVentures |
| 2132 |
Net assets |
Concept (Monetary) |
As Of |
Debit |
kep:NetAssetsOfJointVentures |
| 2133 |
Investment differential |
Concept (Monetary) |
For Period |
Debit |
kep:DifferentialOfInvestmentsInJointVentures |
| 2134 |
Intercompany transaction |
Concept (Monetary) |
For Period |
Credit |
kep:IntercompanyTransactionWithJointVentures |
| 2135 |
Others (consolidated FS) |
Concept (Monetary) |
For Period |
Debit |
kep:IncreaseDecreaseOfInvestmentsInJointVenturesForOtherReasonsInConsolidatedFinancialStatements |
| 2136 |
Sales of JointVentures |
Concept (Monetary) |
For Period |
Credit |
kep:RevenueOfJointVentures |
| 2137 |
Profit (loss) for the period of JointVentures |
Concept (Monetary) |
For Period |
Credit |
kep:ProfitLossOfJointVentures |
| 2138 |
Unrecognized equity interest |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:UnrecognisedShareOfLossesOfJointVentures |
| 2139 |
Accumulated unrecognized equity interest |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CumulativeUnrecognisedShareOfLossesOfJointVentures |
| 2140 |
Shareholders’ agreements that may cause future economic resource or cash outflows |
Concept (Text/String) |
For Period |
|
kep:DisclosureOfContingentLiabilitiesOfInvestmentsInJointVentures |
| 2141 |
Significant restrictions on its abilities |
Concept (Text/String) |
For Period |
|
kep:DisclosureOfSignificantRestrictionOnAbilitiesOfInvestmentsInJointVentrues |
| 2142 |
24180000 - Disclosure - Property, Plant and Equipment (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/PropertyPlantAndEquipmentDetails |
| 2143 |
Disclosure of detailed information about property, plant and equipment [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfPropertyPlantAndEquipmentTable |
| 2144 |
Classes of property, plant and equipment [Axis] |
Axis |
|
|
ifrs-full:ClassesOfPropertyPlantAndEquipmentAxis |
| 2145 |
Property, plant and equipment [Domain] |
Member |
|
|
ifrs-full:PropertyPlantAndEquipmentMember |
| 2146 |
Land [Member] |
Member |
|
|
ifrs-full:LandMember |
| 2147 |
Buildings [Member] |
Member |
|
|
ifrs-full:BuildingsMember |
| 2148 |
Structures [Member] |
Member |
|
|
ifrs-full:FixturesAndFittingsMember |
| 2149 |
Machinery [Member] |
Member |
|
|
ifrs-full:MachineryMember |
| 2150 |
Ships [Member] |
Member |
|
|
ifrs-full:ShipsMember |
| 2151 |
Vehicles [Member] |
Member |
|
|
ifrs-full:VehiclesMember |
| 2152 |
Equipment [Member] |
Member |
|
|
ifrs-full:OfficeEquipmentMember |
| 2153 |
Tools [Member] |
Member |
|
|
us-gaap:ToolsDiesAndMoldsMember |
| 2154 |
Construction in progress [Member] |
Member |
|
|
ifrs-full:ConstructionInProgressMember |
| 2155 |
Finance lease assets [Member] |
Member |
|
|
us-gaap:AssetsHeldUnderCapitalLeasesMember |
| 2156 |
Retirements, property, plant and equipment [Member] |
Member |
|
|
kep:RetirementsPropertyPlantAndEquipmentMember |
| 2157 |
Other property, plant and equipment [Member] |
Member |
|
|
ifrs-full:OtherPropertyPlantAndEquipmentMember |
| 2158 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [Axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 2159 |
Carrying amount [Domain] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 2160 |
Carrying Amount Other than Government Grants [Member] |
Member |
|
|
kep:CarryingAmountOtherThanGovernmentGrantsMember |
| 2161 |
Acquisition cost [Member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 2162 |
Accumulated depreciation [Member] |
Member |
|
|
ifrs-full:AccumulatedDepreciationAndAmortisationMember |
| 2163 |
Accumulated impairment losses [Member] |
Member |
|
|
ifrs-full:AccumulatedImpairmentMember |
| 2164 |
Government grants [Member] |
Member |
|
|
kep:GovernmentGrantsMember |
| 2165 |
Changes in property and equipment [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfPropertyPlantAndEquipmentLineItems |
| 2166 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 2167 |
Acquisitions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment |
| 2168 |
Disposals |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DisposalsAndRetirementsPropertyPlantAndEquipment |
| 2169 |
Depreciation |
Concept (Monetary) |
For Period |
|
ifrs-full:DepreciationPropertyPlantAndEquipment |
| 2170 |
Impairment |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment |
| 2171 |
Others |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseThroughOtherChangesPropertyPlantAndEquipment |
| 2172 |
Ending balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PropertyPlantAndEquipment |
| 2173 |
24190100 - Disclosure - Investment properties, net (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/InvestmentPropertiesNetDetails |
| 2174 |
Disclosure of detailed information about investment property [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfInvestmentPropertyTable |
| 2175 |
Types of investment property [Axis] |
Axis |
|
|
ifrs-full:TypesOfInvestmentPropertyAxis |
| 2176 |
Investment properties, net [Domain] |
Member |
|
|
ifrs-full:InvestmentPropertyMember |
| 2177 |
Investment property - Land [Member] |
Member |
|
|
kep:InvestmentPropertyLandMember |
| 2178 |
Investment property - Buildings [Member] |
Member |
|
|
kep:InvestmentPropertyBuildingsMember |
| 2179 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [Axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 2180 |
Carrying amount [Domain] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 2181 |
Carrying Amount Other than Government Grants [Member] |
Member |
|
|
kep:CarryingAmountOtherThanGovernmentGrantsMember |
| 2182 |
Acquisition cost [Member] |
Member |
|
|
us-gaap:AcquisitionRelatedCostsMember |
| 2183 |
Accumulated depreciation [Member] |
Member |
|
|
ifrs-full:AccumulatedDepreciationAndAmortisationMember |
| 2184 |
Government grants [Member] |
Member |
|
|
kep:GovernmentGrantsMember |
| 2185 |
Disclosure of detailed information about investment property [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfInvestmentPropertyLineItems |
| 2186 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentProperty |
| 2187 |
Depreciation |
Concept (Monetary) |
For Period |
|
ifrs-full:DepreciationInvestmentProperty |
| 2188 |
Others |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseThroughOtherChangesInvestmentProperty |
| 2189 |
Endings balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentProperty |
| 2190 |
24190300 - Disclosure - Income and expenses on investment property (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/IncomeAndExpensesOnInvestmentPropertyDetails |
| 2191 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2192 |
Income and expenses on investment property [Abstract] |
Abstract |
|
|
ifrs-full:RentalIncomeFromInvestmentPropertyNetOfDirectOperatingExpenseAbstract |
| 2193 |
Rental income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RentalIncomeFromInvestmentProperty |
| 2194 |
Operating and maintenance expenses related to rental income |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DirectOperatingExpenseFromInvestmentPropertyGeneratingRentalIncome |
| 2195 |
Rental income from investment property, net of direct operating expense |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RentalIncomeFromInvestmentPropertyNetOfDirectOperatingExpense |
| 2196 |
24190400 - Disclosure - The fair value of investment property (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/TheFairValueOfInvestmentPropertyDetails |
| 2197 |
Disclosure - The fair value of investment property [Table] |
Table |
* |
* |
kep:FairValueOfInvestmentPropertyTable |
| 2198 |
Classes of property, plant and equipment [Axis] |
Axis |
|
|
ifrs-full:TypesOfInvestmentPropertyAxis |
| 2199 |
Property, plant and equipment [Domain] |
Member |
|
|
ifrs-full:InvestmentPropertyMember |
| 2200 |
Land [Member] |
Member |
|
|
kep:InvestmentPropertyLandMember |
| 2201 |
Buildings [Member] |
Member |
|
|
kep:InvestmentPropertyBuildingsMember |
| 2202 |
Disclosure - The fair value of investment property [Line Items] |
LineItems |
|
|
kep:FairValueOfInvestmentPropertyLineItems |
| 2203 |
Fair value of Investment property |
Concept (Monetary) |
As Of |
Debit |
kep:FairValueOfInvestmentProperty |
| 2204 |
Carrying amount of Investment property |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:InvestmentProperty |
| 2205 |
24200100 - Disclosure - Construction Services Contracts (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ConstructionServicesContractsDetails |
| 2206 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2207 |
Construction Services Contracts [Abstract] |
Abstract |
|
|
us-gaap:ConstructionRevenueAbstract |
| 2208 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
kep:ConstructionContractsAmounts |
| 2209 |
Increase and decrease [Abstract] |
Abstract |
|
|
kep:ChangeInConstructionContractsAmountsAbstract |
| 2210 |
New orders and other |
Concept (Monetary) |
For Period |
Debit |
kep:ChangeInConstructionContractsAmountsIncrease |
| 2211 |
Changes in scope of construction work |
Concept (Monetary) |
For Period |
Credit |
kep:ChangeInConstructionContractsAmountsDecrease |
| 2212 |
Increase (decrease) in Construction contracts |
Concept (Monetary) |
For Period |
Debit |
kep:ChangeInConstructionContractsAmountsIncreaseDecrease |
| 2213 |
Recognized as revenue |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromConstructionContracts |
| 2214 |
Ending balance |
Concept (Monetary) |
As Of |
Debit |
kep:ConstructionContractsAmounts |
| 2215 |
24200200 - Disclosure - Construction Services Contracts, Continued (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ConstructionServicesContractsContinuedDetails |
| 2216 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2217 |
Construction Services Contracts [Abstract] |
Abstract |
|
|
us-gaap:ConstructionRevenueAbstract |
| 2218 |
Accumulated earned revenue, expense and others [Abstract] |
Abstract |
|
|
kep:ConstructionConstractsAccumulatedRevenueExpenseAndOthers |
| 2219 |
Accumulated earned revenue |
Concept (Monetary) |
As Of |
Credit |
kep:ConstructionConstractsAccumulatedRevenue |
| 2220 |
Accumulated expense |
Concept (Monetary) |
As Of |
Debit |
kep:ConstructionConstractsAccumulatedExpense |
| 2221 |
Accumulated profit |
Concept (Monetary) |
As Of |
Credit |
kep:ConstructionConstractsAccumulatedProfit |
| 2222 |
Unearned advance receipts |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:AdvancesReceivedForContractsInProgress |
| 2223 |
Contract with Customer, Asset and Liability [Abstract] |
Abstract |
|
|
us-gaap:ContractWithCustomerAssetAndLiabilityAbstract |
| 2224 |
Assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:GrossAmountDueFromCustomersForContractWorkAsAsset |
| 2225 |
Liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:GrossAmountDueToCustomersForContractWorkAsLiability |
| 2226 |
24210100 - Disclosure - Detailed information about intangible assets (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DetailedInformationAboutIntangibleAssetsDetails |
| 2227 |
Disclosure of detailed information about intangible assets [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfIntangibleAssetsTable |
| 2228 |
Classes of intangible assets and goodwill [Axis] |
Axis |
|
|
ifrs-full:ClassesOfIntangibleAssetsAndGoodwillAxis |
| 2229 |
Intangible assets and goodwill [Domain] |
Member |
|
|
ifrs-full:IntangibleAssetsAndGoodwillMember |
| 2230 |
Intangible assets other than goodwill [Member] |
Member |
|
|
kep:IntangibleAssetsMember |
| 2231 |
Software [Member] |
Member |
|
|
ifrs-full:ComputerSoftwareMember |
| 2232 |
Licences and franchises [Member] |
Member |
|
|
ifrs-full:LicencesAndFranchisesMember |
| 2233 |
Copyrights, patents rights and other industrial rights [Member] |
Member |
|
|
ifrs-full:CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember |
| 2234 |
Mining rights [Member] |
Member |
|
|
ifrs-full:MiningRightsMember |
| 2235 |
Development expenditures [Member] |
Member |
|
|
ifrs-full:CapitalisedDevelopmentExpenditureMember |
| 2236 |
Intangible assets under development [Member] |
Member |
|
|
ifrs-full:IntangibleAssetsUnderDevelopmentMember |
| 2237 |
Usage rights of donated assets and other [Member] |
Member |
|
|
kep:UsageRightsOfDonatedAssetsAndOtherMember |
| 2238 |
Leasehold rights [Member] |
Member |
|
|
us-gaap:LeaseAgreementsMember |
| 2239 |
Greenhouse gas emissions rights [Member] |
Member |
|
|
kep:GreenhousGasEmissionsRightsMember |
| 2240 |
Others [Member] |
Member |
|
|
ifrs-full:OtherIntangibleAssetsMember |
| 2241 |
Goodwill [Member] |
Member |
|
|
ifrs-full:GoodwillMember |
| 2242 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [Axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 2243 |
Carrying amount [Domain] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 2244 |
Carrying Amount Other than Government Grants [Member] |
Member |
|
|
kep:CarryingAmountOtherThanGovernmentGrantsMember |
| 2245 |
Acquisition cost [Member] |
Member |
|
|
us-gaap:AcquisitionRelatedCostsMember |
| 2246 |
Accumulated amortization [Member] |
Member |
|
|
ifrs-full:AccumulatedDepreciationAndAmortisationMember |
| 2247 |
Accumulated impairment [Member] |
Member |
|
|
ifrs-full:AccumulatedImpairmentMember |
| 2248 |
Government grants [Member] |
Member |
|
|
kep:GovernmentGrantsMember |
| 2249 |
Disclosure of detailed information about intangible assets [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfIntangibleAssetsLineItems |
| 2250 |
Net carrying value |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsOtherThanGoodwill |
| 2251 |
Reconciliation of changes in intangible assets other than goodwill [Abstract] |
Abstract |
|
|
ifrs-full:ReconciliationOfChangesInIntangibleAssetsOtherThanGoodwillAbstract |
| 2252 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsOtherThanGoodwill |
| 2253 |
Changes in intangible assets other than goodwill [Abstract] |
Abstract |
|
|
ifrs-full:ChangesInIntangibleAssetsOtherThanGoodwillAbstract |
| 2254 |
Acquisition |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdditionsOtherThanThroughBusinessCombinationsIntangibleAssetsOtherThanGoodwill |
| 2255 |
Disposal |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:DisposalsIntangibleAssetsOtherThanGoodwill |
| 2256 |
Amortization |
Concept (Monetary) |
For Period |
|
ifrs-full:AmortisationIntangibleAssetsOtherThanGoodwill |
| 2257 |
Impairment loss |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill |
| 2258 |
Others |
Concept (Monetary) |
For Period |
Debit |
kep:OtherIncreaseDecreaseInIntangibleAssetsOtherThanGoodwill |
| 2259 |
Ending balance |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsOtherThanGoodwill |
| 2260 |
24210300 - Disclosure - Intangible Assets other than Goodwill (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/IntangibleAssetsOtherThanGoodwillDetails |
| 2261 |
Disclosure of intangible assets material to entity [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfIntangibleAssetsMaterialToEntityTable |
| 2262 |
Classes of intangible assets other than goodwill [Axis] |
Axis |
|
|
ifrs-full:ClassesOfIntangibleAssetsOtherThanGoodwillAxis |
| 2263 |
Intangible Assets Other Than Goodwil [Domain] |
Member |
|
|
ifrs-full:IntangibleAssetsOtherThanGoodwillMember |
| 2264 |
Software [Member] |
Member |
|
|
ifrs-full:ComputerSoftwareMember |
| 2265 |
ERP system and others [Member] |
Member |
|
|
kep:ErpSystemAndOtherMember |
| 2266 |
SCADA O/S (POWERON RELIANCE) [Member] |
Member |
|
|
kep:ScadaOsPoweronRelianceMember |
| 2267 |
AMI GATEWAY S/W [Member] |
Member |
|
|
kep:AmiGatewaySoftwareMember |
| 2268 |
Copyrights, patents rights and other industrial rights [Member] |
Member |
|
|
ifrs-full:CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember |
| 2269 |
Smart technology verification and standard design project conducting right [Member] |
Member |
|
|
kep:SmartTechnologyVerificationAndStandardDesignProjectConductingRightMember |
| 2270 |
Mining rights [Member] |
Member |
|
|
ifrs-full:MiningRightsMember |
| 2271 |
Mining right of Bylong mine [Member] |
Member |
|
|
kep:MiningRightOfBylongMineMember |
| 2272 |
Development expenditures [Member] |
Member |
|
|
ifrs-full:CapitalisedDevelopmentExpenditureMember |
| 2273 |
Development of maintenance system for utility plant [Member] |
Member |
|
|
kep:DevelopmentOfMaintenanceSystemForUtilityPlantMember |
| 2274 |
Electricity sales information system [Member] |
Member |
|
|
kep:ElectricitySalesInformationSystemMember |
| 2275 |
Intangible assets under development [Member] |
Member |
|
|
ifrs-full:IntangibleAssetsUnderDevelopmentMember |
| 2276 |
Contributions to ARP NRC DC [Member] |
Member |
|
|
kep:ContributionsToArpNrcDcMember |
| 2277 |
CHF testing for best representative of HIPER/X2-Gen Fuel and development of best explanatory CHF correlation [Member] |
Member |
|
|
kep:ChfTestingAndDevelopmentOfBestExplanatoryChfCorrelationMember |
| 2278 |
Usage rights of donated assets and other [Member] |
Member |
|
|
kep:UsageRightsOfDonatedAssetsAndOtherMember |
| 2279 |
Songdo international business district(sector 1, 3) sharing charge [Member] |
Member |
|
|
kep:SongdoInternationalBusinessdDistrictSharingChargeMember |
| 2280 |
Dangjin power plant load facility usage right [Member] |
Member |
|
|
kep:DangjinPowerPlantLoadFacilityUsageRightMember |
| 2281 |
Sejong Haengbogdosi sharing charge [Member] |
Member |
|
|
kep:SejongHaengbogdosiSharingChargeMember |
| 2282 |
Others [Member] |
Member |
|
|
ifrs-full:OtherIntangibleAssetsMember |
| 2283 |
Occupancy and use of public waters [Member] |
Member |
|
|
kep:OccupancyAndUseOfPublicWatersMember |
| 2284 |
Sillim electricity supply facility usage right [Member] |
Member |
|
|
kep:SillimElectricitySupplyFacilityUsageRightMember |
| 2285 |
Disclosure of intangible assets material to entity [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfIntangibleAssetsMaterialToEntityLineItems |
| 2286 |
Carrying value |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:IntangibleAssetsMaterialToEntity |
| 2287 |
Remaining amortisation period of intangible assets material to entity |
Concept (Text/String) |
For Period |
|
kep:RemainingAmortisationPeriodOfIntangibleAssetsMaterialToEntityString |
| 2288 |
24210400 - Disclosure - Research and development expenses (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ResearchAndDevelopmentDxpensesDetails |
| 2289 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2290 |
Research and Development Expense [Abstract] |
Abstract |
|
|
us-gaap:ResearchAndDevelopmentExpenseAbstract |
| 2291 |
Research and development expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ResearchAndDevelopmentExpense |
| 2292 |
24220100 - Disclosure - Trade and Other Payables (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/TradeAndOtherPayablesDetails |
| 2293 |
Trade and other payables [Table] |
Table |
* |
* |
kep:TradeAndOtherPayablesTable |
| 2294 |
Trade and other payables [Axis] |
Axis |
|
|
kep:TradeAndOtherPayablesAxis |
| 2295 |
Trade and other payables [Domain] |
Member |
|
|
kep:TradeAndOtherPayablesDomain |
| 2296 |
Current trade and other payables [Member] |
Member |
|
|
kep:CurrentTradeAndOtherPayablesMember |
| 2297 |
Non-current trade and other payables [Member] |
Member |
|
|
kep:NoncurrentTradeAndOtherPayablesMember |
| 2298 |
Trade and other payables [Line Items] |
LineItems |
|
|
kep:TradeAndOtherPayablesLineItems |
| 2299 |
Trade payables |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherPayablesToTradeSuppliers |
| 2300 |
Other trade payables |
Concept (Monetary) |
As Of |
Credit |
kep:OtherTradePayables |
| 2301 |
Accrued expenses |
Concept (Monetary) |
As Of |
Credit |
us-gaap:AccruedLiabilitiesCurrentAndNoncurrent |
| 2302 |
Leasehold deposits received |
Concept (Monetary) |
As Of |
Credit |
us-gaap:LeaseDepositLiability |
| 2303 |
Other deposits received |
Concept (Monetary) |
As Of |
Credit |
kep:OtherDepositsReceived |
| 2304 |
Finance lease liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinanceLeaseLiabilities |
| 2305 |
Dividends payable |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DividendPayables |
| 2306 |
Others |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherPayables |
| 2307 |
Total trade and other payables |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherPayables |
| 2308 |
24220200 - Disclosure - Trade and Other Payables : Liquidity classification (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/TradeAndOtherPayablesLiquidityClassificationDetails |
| 2309 |
Trade and other payables Others [Table] |
Table |
* |
* |
kep:TradeAndOtherPayablesOthersTable |
| 2310 |
Trade and other payables [Axis] |
Axis |
|
|
kep:TradeAndOtherPayablesAxis |
| 2311 |
Trade and other payables [Domain] |
Member |
|
|
kep:TradeAndOtherPayablesDomain |
| 2312 |
Other Current Liabilities [Member] |
Member |
|
|
us-gaap:OtherCurrentLiabilitiesMember |
| 2313 |
Other Noncurrent Liabilities [Member] |
Member |
|
|
us-gaap:OtherNoncurrentLiabilitiesMember |
| 2314 |
Trade and other payables Others [Line Items] |
LineItems |
|
|
kep:TradeAndOtherPayablesOthersLineItems |
| 2315 |
Advance received from local governments |
Concept (Monetary) |
As Of |
Credit |
us-gaap:AdvancesReceivedOnGovernmentContractsNotNettedAgainstAccountsReceivable |
| 2316 |
Others |
Concept (Monetary) |
As Of |
Credit |
kep:TradeAndOtherPayablesOthersOthers |
| 2317 |
Total others |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherPayables |
| 2318 |
24230100 - Disclosure - Borrowings and Debt Securities (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/BorrowingsAndDebtSecuritiesDetails |
| 2319 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2320 |
Borrowings and Debt Securities [Abstract] |
Abstract |
|
|
kep:BorrowingsAndDebtSecuritiesAbstract |
| 2321 |
Current Borrowings and Debt Securities [Abstract] |
Abstract |
|
|
kep:CurrentBorrowingsAndDebtSecuritiesAbstract |
| 2322 |
Short-term borrowings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ShorttermBorrowings |
| 2323 |
Current portion of long-term borrowings |
Concept (Monetary) |
As Of |
Credit |
kep:CurrentPortionOfLongtermBorrowingsGross |
| 2324 |
Current portion of debt securities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued |
| 2325 |
Less : Current portion of discount on long-term borrowings |
Concept (Monetary) |
As Of |
Debit |
kep:CurrentPortionOfDiscountOnLongtermBorrowings |
| 2326 |
Less : Current portion of discount on debt securities |
Concept (Monetary) |
As Of |
Debit |
us-gaap:DebtInstrumentUnamortizedDiscountCurrent |
| 2327 |
Current Borrowings and Debt Securities |
Concept (Monetary) |
As Of |
Credit |
kep:CurrentBorrowingsAndDebtSecurities |
| 2328 |
Non-current Borrowings and Debt Securities [Abstract] |
Abstract |
|
|
kep:NoncurrentBorrowingsAndDebtSecuritiesAbstract |
| 2329 |
Long-term borrowings |
Concept (Monetary) |
As Of |
Credit |
kep:NonCurrentPortionOfLongtermBorrowingsGross |
| 2330 |
Debt securities |
Concept (Monetary) |
As Of |
Credit |
kep:NoncurrentPortionOfNoncurrentBondsIssuedGross |
| 2331 |
Less : Discount on long-term borrowings |
Concept (Monetary) |
As Of |
Debit |
kep:NonCurrentPortionOfDiscountOnLongtermBorrowings |
| 2332 |
Less : Discount on debt securities |
Concept (Monetary) |
As Of |
Debit |
us-gaap:DebtInstrumentUnamortizedDiscountNoncurrent |
| 2333 |
Add : Premium on debt securities |
Concept (Monetary) |
As Of |
Credit |
us-gaap:DebtInstrumentUnamortizedPremiumNoncurrent |
| 2334 |
Non-current Borrowings and Debt Securities |
Concept (Monetary) |
As Of |
Credit |
kep:NoncurrentBorrowingsAndDebtSecurities |
| 2335 |
Total |
Concept (Monetary) |
As Of |
Credit |
kep:BorrowingsAndDebtSecurities |
| 2336 |
Changes in borrowings and debt securities [Abstract] |
Abstract |
|
|
ifrs-full:ChangesInLiabilitiesArisingFromFinancingActivitiesAbstract |
| 2337 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
kep:BorrowingsAndDebtSecurities |
| 2338 |
Cash flow |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughFinancingCashFlowsLiabilitiesArisingFromFinancingActivities |
| 2339 |
Effect of exchange rate fluctuations |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughEffectOfChangesInForeignExchangeRatesLiabilitiesArisingFromFinancingActivities |
| 2340 |
Others |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughOtherChangesLiabilitiesArisingFromFinancingActivities |
| 2341 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
kep:BorrowingsAndDebtSecurities |
| 2342 |
24230200 - Disclosure - Borrowings and Debt Securities - Repayment schedule of borrowings and debt securities (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/BorrowingsAndDebtSecuritiesRepaymentScheduleOfBorrowingsAndDebtSecuritiesDetails |
| 2343 |
Disclosure of maturity analysis for non-derivative financial liabilities [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable |
| 2344 |
Maturity [Axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 2345 |
Aggregated time bands [Domain] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 2346 |
Less than 1 year [Member] |
Member |
|
|
ifrs-full:NotLaterThanOneYearMember |
| 2347 |
1~5 Years [Member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember |
| 2348 |
Over 5 Years [Member] |
Member |
|
|
ifrs-full:LaterThanFiveYearsMember |
| 2349 |
Repayment schedule of borrowings and debt securities [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems |
| 2350 |
Borrowings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Borrowings |
| 2351 |
Debt Securities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:BondsIssued |
| 2352 |
24230300 - Disclosure - Borrowings and Debt Securities : Short-term borrowings (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/BorrowingsAndDebtSecuritiesShorttermBorrowingsDetails |
| 2353 |
Disclosure of detailed information about Short-term borrowings [Table] |
Table |
* |
* |
kep:DisclosureOfDetailedInformationAboutShortTermBorrowingsTable |
| 2354 |
Borrowings by name [Axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 2355 |
Borrowings by name [Domain] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 2356 |
Local short-term borrowings 1 [Member] |
Member |
|
|
kep:LocalShortTermBorrowings1Member |
| 2357 |
Local short-term borrowings 2 [Member] |
Member |
|
|
kep:LocalShortTermBorrowings2Member |
| 2358 |
Foreign short-term borrowings 1 [Member] |
Member |
|
|
kep:ForeignShortTermBorrowings1Member |
| 2359 |
Foreign short-term borrowings 2 [Member] |
Member |
|
|
kep:ForeignShortTermBorrowings2Member |
| 2360 |
Local bank overdraft 1 [Member] |
Member |
|
|
kep:LocalBankOverdraft1Member |
| 2361 |
Local bank overdraft 2 [Member] |
Member |
|
|
kep:LocalBankOverdraft2Member |
| 2362 |
Disclosure of detailed information about Short-term borrowings [Line Items] |
LineItems |
|
|
kep:DisclosureOfDetailedInformationAboutShortTermBorrowingsLineItems |
| 2363 |
Name of Creditor |
Concept (Text/String) |
For Period |
|
kep:NameOfCreditor |
| 2364 |
Borrowings interest rate |
Concept (Text/String) |
For Period |
|
kep:BorrowingsInterestRateString |
| 2365 |
Borrowings, maturity |
Concept (Text/String) |
For Period |
|
ifrs-full:BorrowingsMaturity |
| 2366 |
Short-term borrowings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ShorttermBorrowings |
| 2367 |
24230400 - Disclosure - Borrowings and Debt Securities : Long-term borrowings (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/BorrowingsAndDebtSecuritiesLongtermBorrowingsDetails |
| 2368 |
Disclosure of detailed information about Long-term borrowings [Table] |
Table |
* |
* |
kep:DisclosureOfDetailedInformationAboutLongTermBorrowingsTable |
| 2369 |
Borrowings by name [Axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 2370 |
Borrowings by name [Domain] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 2371 |
Local long-term borrowings [Member] |
Member |
|
|
kep:LocalLongTermBorrowingsMember |
| 2372 |
Local long-term borrowings 1 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings1Member |
| 2373 |
Local long-term borrowings 2 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings2Member |
| 2374 |
Local long-term borrowings 3 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings3Member |
| 2375 |
Local long-term borrowings 4 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings4Member |
| 2376 |
Local long-term borrowings 5 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings5Member |
| 2377 |
Local long-term borrowings 6 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings6Member |
| 2378 |
Local long-term borrowings 7 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings7Member |
| 2379 |
Local long-term borrowings 8 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings8Member |
| 2380 |
Local long-term borrowings 9 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings9Member |
| 2381 |
Local long-term borrowings 10 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings10Member |
| 2382 |
Local long-term borrowings 11 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings11Member |
| 2383 |
Local long-term borrowings 12 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings12Member |
| 2384 |
Local long-term borrowings 13 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings13Member |
| 2385 |
Local long-term borrowings 14 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings14Member |
| 2386 |
Local long-term borrowings 15 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings15Member |
| 2387 |
Local long-term borrowings 16 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings16Member |
| 2388 |
Local long-term borrowings 17 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings17Member |
| 2389 |
Local long-term borrowings 18 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings18Member |
| 2390 |
Local long-term borrowings 19 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings19Member |
| 2391 |
Local long-term borrowings 20 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings20Member |
| 2392 |
Local long-term borrowings 21 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings21Member |
| 2393 |
Local long-term borrowings 22 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings22Member |
| 2394 |
Local long-term borrowings 23 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings23Member |
| 2395 |
Local long-term borrowings 24 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings24Member |
| 2396 |
Local long-term borrowings 25 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings25Member |
| 2397 |
Local long-term borrowings 26 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings26Member |
| 2398 |
Local long-term borrowings 27 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings27Member |
| 2399 |
Local long-term borrowings 28 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings28Member |
| 2400 |
Local long-term borrowings 29 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings29Member |
| 2401 |
Local long-term borrowings 30 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings30Member |
| 2402 |
Local long-term borrowings 31 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings31Member |
| 2403 |
Local long-term borrowings 32 [Member] |
Member |
|
|
kep:LocalLongTermBorrowings32Member |
| 2404 |
Foreign long-term borrowings [Member] |
Member |
|
|
kep:ForeignLongTermBorrowingsMember |
| 2405 |
Foreign long-term borrowings 1 [Member] |
Member |
|
|
kep:ForeignLongTermBorrowings1Member |
| 2406 |
Foreign long-term borrowings 2 [Member] |
Member |
|
|
kep:ForeignLongTermBorrowings2Member |
| 2407 |
Foreign long-term borrowings 3 [Member] |
Member |
|
|
kep:ForeignLongTermBorrowings3Member |
| 2408 |
Foreign long-term borrowings 4 [Member] |
Member |
|
|
kep:ForeignLongTermBorrowings4Member |
| 2409 |
Foreign long-term borrowings 5 [Member] |
Member |
|
|
kep:ForeignLongTermBorrowings5Member |
| 2410 |
Foreign long-term borrowings 6 [Member] |
Member |
|
|
kep:ForeignLongTermBorrowings6Member |
| 2411 |
Foreign long-term borrowings 7 [Member] |
Member |
|
|
kep:ForeignLongTermBorrowings7Member |
| 2412 |
Foreign long-term borrowings 8 [Member] |
Member |
|
|
kep:ForeignLongTermBorrowings8Member |
| 2413 |
Foreign long-term borrowings 9 [Member] |
Member |
|
|
kep:ForeignLongTermBorrowings9Member |
| 2414 |
Foreign long-term borrowings 10 [Member] |
Member |
|
|
kep:ForeignLongTermBorrowings10Member |
| 2415 |
Foreign long-term borrowings 11 [Member] |
Member |
|
|
kep:ForeignLongTermBorrowings11Member |
| 2416 |
Foreign long-term borrowings 12 [Member] |
Member |
|
|
kep:ForeignLongTermBorrowings12Member |
| 2417 |
Foreign long-term borrowings 13 [Member] |
Member |
|
|
kep:ForeignLongTermBorrowings13Member |
| 2418 |
Foreign long-term borrowings 14 [Member] |
Member |
|
|
kep:ForeignLongTermBorrowings14Member |
| 2419 |
Foreign long-term borrowings 15 [Member] |
Member |
|
|
kep:ForeignLongTermBorrowings15Member |
| 2420 |
Disclosure of detailed information about Long-term borrowings [Line Items] |
LineItems |
|
|
kep:DisclosureOfDetailedInformationAboutLongTermBorrowingsLineItems |
| 2421 |
Name of Creditor |
Concept (Text/String) |
For Period |
|
kep:NameOfCreditor |
| 2422 |
Purpose of borrowings |
Concept (Text/String) |
For Period |
|
kep:PurposeOfBorrowings |
| 2423 |
Borrowings interest rate |
Concept (Text/String) |
For Period |
|
kep:BorrowingsInterestRateString |
| 2424 |
Borrowings, maturity |
Concept (Text/String) |
For Period |
|
ifrs-full:BorrowingsMaturity |
| 2425 |
Borrowings |
Concept (Monetary) |
As Of |
Credit |
kep:LongtermBorrowingsGross |
| 2426 |
Less : Discount on long-term borrowings |
Concept (Monetary) |
As Of |
Debit |
kep:DiscountOnLongtermBorrowings |
| 2427 |
Less : Current portion of long-term borrowings |
Concept (Monetary) |
As Of |
Debit |
kep:LessAdjustmentCurrentPortionOfLongtermBorrowingsGross |
| 2428 |
Add : Current portion of discount on long-term borrowings |
Concept (Monetary) |
As Of |
Credit |
kep:AddAdjustmentCurrentPortionOfDiscountOnLongtermBorrowings |
| 2429 |
Long-term borrowings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LongtermBorrowings |
| 2430 |
24230500 - Disclosure - Borrowings and Debt Securities : Local debt securities and Foreign debt securities (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/BorrowingsAndDebtSecuritiesLocalDebtSecuritiesAndForeignDebtSecuritiesDetails |
| 2431 |
Debt Instruments [Table] |
Table |
* |
* |
us-gaap:DebtInstrumentTable |
| 2432 |
Debt Security [Axis] |
Axis |
|
|
us-gaap:DebtSecurityAxis |
| 2433 |
Major Types of Debt Securities [Domain] |
Member |
|
|
us-gaap:MajorTypesOfDebtSecuritiesDomain |
| 2434 |
Local Debt securities [Member] |
Member |
|
|
kep:LocalDebtSecuritiesMember |
| 2435 |
Electricity Bonds 1 [Member] |
Member |
|
|
kep:ElectricityBonds1Member |
| 2436 |
Electricity Bonds 2 [Member] |
Member |
|
|
kep:ElectricityBonds2Member |
| 2437 |
Corporate bonds [Member] |
Member |
|
|
kep:CorporateBondsMember |
| 2438 |
Foreign Debt securities [Member] |
Member |
|
|
kep:ForeignDebtSecuritiesMember |
| 2439 |
FY-96 [Member] |
Member |
|
|
kep:Fy96Member |
| 2440 |
FY-97 [Member] |
Member |
|
|
kep:Fy97Member |
| 2441 |
FY-04 [Member] |
Member |
|
|
kep:Fy04Member |
| 2442 |
FY-08 [Member] |
Member |
|
|
kep:Fy08Member |
| 2443 |
FY-11 [Member] |
Member |
|
|
kep:Fy11Member |
| 2444 |
FY-12 [Member] |
Member |
|
|
kep:Fy12Member |
| 2445 |
FY-13_1 [Member] |
Member |
|
|
kep:Fy13aMember |
| 2446 |
FY-13_2 [Member] |
Member |
|
|
kep:Fy13bMember |
| 2447 |
FY-13_3 [Member] |
Member |
|
|
kep:Fy13cMember |
| 2448 |
FY-13_4 [Member] |
Member |
|
|
kep:Fy13dMember |
| 2449 |
FY-14_1 [Member] |
Member |
|
|
kep:Fy14aMember |
| 2450 |
FY-14_2 [Member] |
Member |
|
|
kep:Fy14bMember |
| 2451 |
FY-15 [Member] |
Member |
|
|
kep:Fy15Member |
| 2452 |
FY-16 [Member] |
Member |
|
|
kep:Fy16Member |
| 2453 |
FY-17_1 [Member] |
Member |
|
|
kep:Fy17aMember |
| 2454 |
FY-17_2 [Member] |
Member |
|
|
kep:Fy17bMember |
| 2455 |
FY-17_3 [Member] |
Member |
|
|
kep:Fy17cMember |
| 2456 |
Debt Instrument [Line Items] |
LineItems |
|
|
us-gaap:DebtInstrumentLineItems |
| 2457 |
Debt Instrument, Issuance Date |
Concept (Text/String) |
For Period |
|
kep:DebtInstrumentIssuanceDate |
| 2458 |
Debt Instrument, Maturity Date, Description |
Concept (Text/String) |
For Period |
|
us-gaap:DebtInstrumentMaturityDateDescription |
| 2459 |
Interest rate (%) |
Concept (Text/String) |
For Period |
|
kep:DebtInstrumentInterestRateStatedPercentageString |
| 2460 |
Bonds issued |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:BondsIssued |
| 2461 |
Less : Discount on debt securities |
Concept (Monetary) |
As Of |
Debit |
us-gaap:DebtInstrumentUnamortizedDiscount |
| 2462 |
Add : Premium on debt securities |
Concept (Monetary) |
As Of |
Credit |
us-gaap:DebtInstrumentUnamortizedPremium |
| 2463 |
Less : Current portion of debt securities |
Concept (Monetary) |
As Of |
Debit |
kep:LessAdjustmentCurrentBondsIssuedAndCurrentPortionOfNoncurrentBondsIssued |
| 2464 |
Add : Current portion of discount on debt securities |
Concept (Monetary) |
As Of |
Credit |
kep:AddAdjustmentDebtInstrumentUnamortizedDiscountCurrent |
| 2465 |
Total |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentPortionOfNoncurrentBondsIssued |
| 2466 |
24240200 - Disclosure - Finance Lease Liabilities (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/FinanceLeaseLiabilitiesDetails |
| 2467 |
Finance Lease Liabilities [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeTable |
| 2468 |
Maturity [Axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 2469 |
Aggregated time bands [Domain] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 2470 |
Less than 1 year [Member] |
Member |
|
|
ifrs-full:NotLaterThanOneYearMember |
| 2471 |
1~5 Years [Member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember |
| 2472 |
More than 5 years [Member] |
Member |
|
|
ifrs-full:LaterThanFiveYearsMember |
| 2473 |
Finance Lease Liabilities [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeLineItems |
| 2474 |
Minimum lease payments |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:MinimumFinanceLeasePaymentsPayable |
| 2475 |
Present value of minimum lease payments |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:MinimumFinanceLeasePaymentsPayableAtPresentValue |
| 2476 |
24240300 - Disclosure - Finance Lease Liabilities : Liquidity classification (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/FinanceLeaseLiabilitiesLiquidityClassificationDetails |
| 2477 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2478 |
Finance Lease Liabilities [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfFinanceLeaseAndOperatingLeaseByLesseeAbstract |
| 2479 |
Current finance lease liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentFinanceLeaseLiabilities |
| 2480 |
Non-current finance lease liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentFinanceLeaseLiabilities |
| 2481 |
Total Finance Lease Liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:MinimumFinanceLeasePaymentsPayableAtPresentValue |
| 2482 |
24240400 - Disclosure - Finance Lease Liabilities : Lease payments recognized as an expense from a lessee position (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/FinanceLeaseLiabilitiesLeasePaymentsRecognizedAsAnExpenseFromALesseePositionDetails |
| 2483 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2484 |
Lease and sublease payments recognised as expense [Abstract] |
Abstract |
|
|
ifrs-full:LeaseAndSubleasePaymentsRecognisedAsExpenseAbstract |
| 2485 |
Minimum lease payment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:LeaseAndSubleasePaymentsRecognisedAsExpense |
| 2486 |
Contingent rent payment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ContingentRentsRecognisedAsExpenseClassifiedAsFinanceLease |
| 2487 |
24240600 - Disclosure - Changes in finance lease liabilities (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ChangesInFinanceLeaseLiabilitiesDetails |
| 2488 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2489 |
Disclosure - Changes in finance lease liabilities [Abstract] |
Abstract |
|
|
kep:DisclosureOfChangesInFinanceLeaseLiabilitiesAbstract |
| 2490 |
Beginning balance of Finance Lease Liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinanceLeaseLiabilities |
| 2491 |
Cash flow |
Concept (Monetary) |
As Of |
Credit |
kep:CashFlow |
| 2492 |
Acquisition of finance lease assets |
Concept (Monetary) |
As Of |
Credit |
kep:AcquisitionOfFinanceLeaseAssets |
| 2493 |
Ending balance of Finance Lease Liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:FinanceLeaseLiabilities |
| 2494 |
24250100 - Disclosure - Employment benefit obligations (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/EmploymentBenefitObligationsDetails |
| 2495 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2496 |
Employment Benefits [Abstract] |
Abstract |
|
|
kep:DisclosureOfEmploymentBenefitObligationsAbstract |
| 2497 |
Net defined benefit obligations |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LiabilityAssetOfDefinedBenefitPlans |
| 2498 |
Other long-term employee benefit obligations |
Concept (Monetary) |
As Of |
Credit |
kep:OtherLongTermEmployeeBenefitObligations |
| 2499 |
Employee benefits liabilities, net |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NoncurrentProvisionsForEmployeeBenefits |
| 2500 |
24250200 - Disclosure - Principal assumptions on actuarial valuation (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/PrincipalAssumptionsOnActuarialValuationDetails |
| 2501 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2502 |
Disclosure - Principal assumptions on actuarial valuation [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfDefinedBenefitPlansAbstract |
| 2503 |
Discount rate |
Concept (Text/String) |
For Period |
|
kep:ActuarialAssumptionOfDiscountRatesString |
| 2504 |
Future salary and benefit levels |
Concept (Percent) |
As Of |
|
ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreases |
| 2505 |
Weighted average duration |
Concept (Decimal) |
As Of |
|
ifrs-full:ActuarialAssumptionOfRetirementAge |
| 2506 |
24250301 - Disclosure - Details of expense relating to defined benefit plans (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DetailsOfExpenseRelatingToDefinedBenefitPlansDetails |
| 2507 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2508 |
Disclosure - Details of expense relating to defined benefit plans [Abstract] |
Abstract |
|
|
kep:DisclosureOfExpenseRelatingToDefinedBenefitPlansAbstract |
| 2509 |
Current service cost |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset |
| 2510 |
Interest cost |
Concept (Monetary) |
For Period |
Debit |
kep:InterestExpenseIncomeDefinedBenefitAsset |
| 2511 |
Expected return on plan assets |
Concept (Monetary) |
For Period |
Debit |
kep:InterestExpenseIncomeDefinedBenefitLiability |
| 2512 |
Loss from settlement |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset |
| 2513 |
Defined benefit |
Concept (Monetary) |
For Period |
Debit |
kep:DefinedBenefitPlansExpense |
| 2514 |
24250302 - Disclosure - Details of expense relating to defined benefit plans by nature (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DetailsOfExpenseRelatingToDefinedBenefitPlansByNatureDetails |
| 2515 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2516 |
Disclosure - Details of expense relating to defined benefit plans by nature [Abstract] |
Abstract |
|
|
kep:DisclosureOfExpenseRelatingToDefinedBenefitPlansByNatureAbstract |
| 2517 |
Defined benefit allocated to Cost of sales |
Concept (Monetary) |
For Period |
Debit |
kep:DefinedBenefitAllocatedToCostOfSales |
| 2518 |
Defined benefit allocated to Selling, general and administrative expense |
Concept (Monetary) |
For Period |
Debit |
kep:DefinedBenefitAllocatedToSellingGeneralAndAdministrativeExpense |
| 2519 |
Defined benefit allocated to others |
Concept (Monetary) |
For Period |
Debit |
kep:DefinedBenefitAllocatedToOthers |
| 2520 |
Defined benefit |
Concept (Monetary) |
For Period |
Debit |
kep:DefinedBenefitPlansExpense |
| 2521 |
24250400 - Disclosure - Defined benefit plan assets and liabilities (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DefinedBenefitPlanAssetsAndLiabilitiesDetails |
| 2522 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2523 |
Disclosure - Defined benefit plan assets and liabilities [Abstract] |
Abstract |
|
|
ifrs-full:SurplusDeficitInPlanAbstract |
| 2524 |
Present value of defined benefit obligation from funded plans |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DefinedBenefitObligationAtPresentValue |
| 2525 |
Fair value of plan assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PlanAssetsAtFairValue |
| 2526 |
Net surplus (deficit) in plan |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:SurplusDeficitInPlan |
| 2527 |
Present value of defined benefit obligation from unfunded plans |
Concept (Monetary) |
As Of |
Credit |
kep:DefinedBenefitObligationAtPresentValueFromUnfundedPlans |
| 2528 |
Net liabilities incurred from defined benefit plans |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LiabilityAssetOfDefinedBenefitPlans |
| 2529 |
24250500 - Disclosure - Net defined benefit liability (asset) (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/NetDefinedBenefitLiabilityAssetDetails |
| 2530 |
Disclosure of net defined benefit liability (asset) [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfNetDefinedBenefitLiabilityAssetTable |
| 2531 |
Net defined benefit liability (asset) [Axis] |
Axis |
|
|
ifrs-full:NetDefinedBenefitLiabilityAssetAxis |
| 2532 |
Net defined benefit liability (asset) [Domain] |
Member |
|
|
ifrs-full:NetDefinedBenefitLiabilityAssetMember |
| 2533 |
Defined benefit obligation [Member] |
Member |
|
|
ifrs-full:PresentValueOfDefinedBenefitObligationMember |
| 2534 |
Plan assets [Member] |
Member |
|
|
ifrs-full:PlanAssetsMember |
| 2535 |
Disclosure of defined benefit plans [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfDefinedBenefitPlansLineItems |
| 2536 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LiabilityAssetOfDefinedBenefitPlans |
| 2537 |
Changes in net defined benefit liability (asset) [Abstract] |
Abstract |
|
|
ifrs-full:ChangesInNetDefinedBenefitLiabilityAssetAbstract |
| 2538 |
Current service cost |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:CurrentServiceCostNetDefinedBenefitLiabilityAsset |
| 2539 |
Interest expense (income) |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:InterestExpenseIncomeNetDefinedBenefitLiabilityAsset |
| 2540 |
Remeasurement component |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset |
| 2541 |
Loss from settlement |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:GainsLossesArisingFromSettlementsNetDefinedBenefitLiabilityAsset |
| 2542 |
Contributions by the employers |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ContributionsToPlanByPlanParticipantsNetDefinedBenefitLiabilityAsset |
| 2543 |
Actual payments |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:PaymentsFromPlanNetDefinedBenefitLiabilityAsset |
| 2544 |
Others |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughOtherChangesNetDefinedBenefitLiabilityAsset |
| 2545 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LiabilityAssetOfDefinedBenefitPlans |
| 2546 |
24250700 - Disclosure - Details of the fair value of plan assets (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DetailsOfTheFairValueOfPlanAssetsDetails |
| 2547 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2548 |
Disclosure of fair value of plan assets [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfFairValueOfPlanAssetsAbstract |
| 2549 |
Equity instruments |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:EquityInstrumentsAmountContributedToFairValueOfPlanAssets |
| 2550 |
Debt instruments |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:DebtInstrumentsAmountContributedToFairValueOfPlanAssets |
| 2551 |
Bank deposit |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalentsAmountContributedToFairValueOfPlanAssets |
| 2552 |
Others |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:OtherAssetsAmountContributedToFairValueOfPlanAssets |
| 2553 |
Plan assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:PlanAssetsAtFairValue |
| 2554 |
24250800 - Disclosure - Gain (loss) on remeasurement, net defined benefit liability (asset) (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/GainLlossOnRemeasurementNetDefinedBenefitLiabilityAssetDetails |
| 2555 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2556 |
Gain (loss) on remeasurement, net defined benefit liability (asset) [Abstract] |
Abstract |
|
|
ifrs-full:GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAssetAbstract |
| 2557 |
Actuarial gain from changes in financial assumptions |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ActuarialGainsLossesArisingFromChangesInFinancialAssumptionsNetDefinedBenefitLiabilityAsset |
| 2558 |
Experience adjustments |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ActuarialGainsLossesArisingFromExperienceAdjustmentsNetDefinedBenefitLiabilityAsset |
| 2559 |
Expected return |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ReturnOnPlanAssetsNetDefinedBenefitLiabilityAsset |
| 2560 |
Total loss (gain) on remeasurement, net defined benefit liability (asset) |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:GainLossOnRemeasurementOfNetDefinedBenefitLiabilityAsset |
| 2561 |
24260000 - Disclosure - Provisions (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ProvisionsDetails |
| 2562 |
Disclosure of other provisions [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfOtherProvisionsTable |
| 2563 |
Classes of other provisions [Axis] |
Axis |
|
|
ifrs-full:ClassesOfProvisionsAxis |
| 2564 |
Provisions [Domain] |
Member |
|
|
ifrs-full:OtherProvisionsMember |
| 2565 |
Provisions for employment benefits [Member] |
Member |
|
|
kep:ProvisionsForEmployeeBenefitsMember |
| 2566 |
Litigation provisions [Member] |
Member |
|
|
ifrs-full:LegalProceedingsProvisionMember |
| 2567 |
Provisions For Nuclear Plants Restoration [Member] |
Member |
|
|
kep:ProvisionsForNuclearPlantsRestorationMember |
| 2568 |
Spent fuel recovery provisions [Member] |
Member |
|
|
kep:SpentFuelRecoveryProvisionsMember |
| 2569 |
Waste recovery provisions [Member] |
Member |
|
|
kep:WasteRecoveryProvisionsMember |
| 2570 |
PCBs recovery provisions [Member] |
Member |
|
|
kep:PcbsRecoveryProvisionsMember |
| 2571 |
Other recovery provisions [Member] |
Member |
|
|
kep:OtherRecoveryProvisionsMember |
| 2572 |
Power plant regional support program provisions [Member] |
Member |
|
|
kep:PowerPlantRegionalSupportProgramProvisionsMember |
| 2573 |
Transmission regional support program provisions [Member] |
Member |
|
|
kep:TransmissionRegionalSupportProgramProvisionsMember |
| 2574 |
Provisions for tax [Member] |
Member |
|
|
kep:ProvisionsForTaxMember |
| 2575 |
Provisions for financial guarantee [Member] |
Member |
|
|
ifrs-full:FinancialGuaranteeContractsMember |
| 2576 |
Provisions for RPS [Member] |
Member |
|
|
kep:ProvisionsForRpsMember |
| 2577 |
Provisions for greenhouse gas emissions obligations [Member] |
Member |
|
|
kep:ProvisionsForGreenhouseGasEmissionsObligationsMember |
| 2578 |
Others [Member] |
Member |
|
|
ifrs-full:MiscellaneousOtherProvisionsMember |
| 2579 |
Current Noncurrent Provisions [Axis] |
Axis |
|
|
kep:CurrentNoncurrentProvisionsAxis |
| 2580 |
Current Noncurrent Provisions [Domain] |
Member |
|
|
kep:CurrentNoncurrentProvisionsMember |
| 2581 |
Current Provisions [Member] |
Member |
|
|
kep:CurrentProvisionsMember |
| 2582 |
Noncurrent Provisions [Member] |
Member |
|
|
kep:NoncurrentProvisionsMember |
| 2583 |
Disclosure of other provisions [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfOtherProvisionsLineItems |
| 2584 |
Net carrying value |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Provisions |
| 2585 |
Reconciliation of changes in other provisions [Abstract] |
Abstract |
|
|
ifrs-full:ReconciliationOfChangesInOtherProvisionsAbstract |
| 2586 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Provisions |
| 2587 |
Changes in other provisions [Abstract] |
Abstract |
|
|
ifrs-full:ChangesInOtherProvisionsAbstract |
| 2588 |
Increase in provision |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:AdditionalProvisionsOtherProvisions |
| 2589 |
Payment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ProvisionUsedOtherProvisions |
| 2590 |
Reversal of unused amount |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:UnusedProvisionReversedOtherProvisions |
| 2591 |
Others |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesOtherProvisions |
| 2592 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Provisions |
| 2593 |
24270000 - Disclosure - Changes in government grants (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ChangesInGovernmentGrantsDetails |
| 2594 |
Government grants [Table] |
Table |
* |
* |
kep:GovernmentGrantsTable |
| 2595 |
Government grants [Axis] |
Axis |
|
|
kep:GovernmentGrantsAxis |
| 2596 |
Government grants [Domain] |
Member |
|
|
kep:GovernmentGrantsDomain |
| 2597 |
Cash [Member] |
Member |
|
|
us-gaap:CashMember |
| 2598 |
Land [Member] |
Member |
|
|
ifrs-full:LandMember |
| 2599 |
Buildings [Member] |
Member |
|
|
ifrs-full:BuildingsMember |
| 2600 |
Structures [Member] |
Member |
|
|
ifrs-full:FixturesAndFittingsMember |
| 2601 |
Machinery [Member] |
Member |
|
|
ifrs-full:MachineryMember |
| 2602 |
Vehicles [Member] |
Member |
|
|
ifrs-full:VehiclesMember |
| 2603 |
Equipment [Member] |
Member |
|
|
ifrs-full:OfficeEquipmentMember |
| 2604 |
Tools [Member] |
Member |
|
|
us-gaap:ToolsDiesAndMoldsMember |
| 2605 |
Construction in progress [Member] |
Member |
|
|
ifrs-full:ConstructionInProgressMember |
| 2606 |
Finance lease assets [Member] |
Member |
|
|
kep:FinanceLeaseAssetsMember |
| 2607 |
Investment properties [Member] |
Member |
|
|
kep:InvestmentPropertiesMember |
| 2608 |
Software [Member] |
Member |
|
|
ifrs-full:ComputerSoftwareMember |
| 2609 |
Development expenditures [Member] |
Member |
|
|
ifrs-full:CapitalisedDevelopmentExpenditureMember |
| 2610 |
Intangible assets under development [Member] |
Member |
|
|
ifrs-full:IntangibleAssetsUnderDevelopmentMember |
| 2611 |
Usage rights of donated assets and other [Member] |
Member |
|
|
kep:UsageRightsOfDonatedAssetsAndOtherMember |
| 2612 |
Others [Member] |
Member |
|
|
ifrs-full:OtherIntangibleAssetsMember |
| 2613 |
Government grants [Line Items] |
LineItems |
|
|
kep:GovernmentGrantsLineItems |
| 2614 |
Government grants |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:GovernmentGrants |
| 2615 |
Changes in government grants [Abstract] |
Abstract |
|
|
kep:ChangesInGovernmentGrantsAbstract |
| 2616 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:GovernmentGrants |
| 2617 |
Receipt |
Concept (Monetary) |
For Period |
Credit |
kep:GovernmentGrantsReceipt |
| 2618 |
Acquisitions |
Concept (Monetary) |
For Period |
Debit |
kep:GovernmentGrantsAcquisitions |
| 2619 |
Offset the items of depreciation expense and others |
Concept (Monetary) |
For Period |
Debit |
kep:GovernmentGrantsOffsetTheItemsOfDepreciationExpenseAndOthers |
| 2620 |
Disposals |
Concept (Monetary) |
For Period |
Debit |
kep:GovernmentGrantsDesposals |
| 2621 |
Others |
Concept (Monetary) |
For Period |
Credit |
kep:GovernmentGrantsOthers |
| 2622 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:GovernmentGrants |
| 2623 |
24280000 - Disclosure - Deferred Revenues (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DeferredRevenuesDetails |
| 2624 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2625 |
Deferred Revenue [Abstract] |
Abstract |
|
|
us-gaap:DeferredRevenueAbstract |
| 2626 |
Deferred Revenue, Beginning Balance |
Concept (Monetary) |
As Of |
Credit |
us-gaap:DeferredRevenue |
| 2627 |
Increase during the current year / period |
Concept (Monetary) |
For Period |
Credit |
us-gaap:DeferredRevenueAdditions |
| 2628 |
Recognized as revenue during the current year / period |
Concept (Monetary) |
For Period |
Credit |
us-gaap:DeferredRevenueRevenueRecognized1 |
| 2629 |
Deferred Revenue, Ending Balance |
Concept (Monetary) |
As Of |
Credit |
us-gaap:DeferredRevenue |
| 2630 |
24290000 - Disclosure - Non-financial Liabilities (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/NonfinancialLiabilitiesDetails |
| 2631 |
Disclosure - Other liabilities [Table] |
Table |
* |
* |
kep:OtherLiabilitiesDisclosureTable |
| 2632 |
Balance Sheet Location [Axis] |
Axis |
|
|
us-gaap:BalanceSheetLocationAxis |
| 2633 |
Balance Sheet Location [Domain] |
Member |
|
|
us-gaap:BalanceSheetLocationDomain |
| 2634 |
Other Current Liabilities [Member] |
Member |
|
|
us-gaap:OtherCurrentLiabilitiesMember |
| 2635 |
Other Noncurrent Liabilities [Member] |
Member |
|
|
us-gaap:OtherNoncurrentLiabilitiesMember |
| 2636 |
Disclosure - Other liabilities [Line Items] |
LineItems |
|
|
kep:OtherLiabilitiesDisclosureLineItems |
| 2637 |
Advances received |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Advances |
| 2638 |
Accrued income |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:AccruedIncome |
| 2639 |
Deferred revenue |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredIncome |
| 2640 |
Withholdings |
Concept (Monetary) |
As Of |
Credit |
kep:Withholdings |
| 2641 |
Other nonfincial liabilities |
Concept (Monetary) |
As Of |
Credit |
us-gaap:OtherSundryLiabilities |
| 2642 |
Total |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:OtherLiabilities |
| 2643 |
24300101 - Disclosure - Details of shares issued (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DetailsOfSharesIssuedDetails |
| 2644 |
Common shares [Table] |
Table |
* |
* |
kep:NumberOfSharesIssuedTable |
| 2645 |
Common shares [Axis] |
Axis |
|
|
ifrs-full:ClassesOfShareCapitalAxis |
| 2646 |
Share capital [Domain] |
Member |
|
|
ifrs-full:ClassesOfShareCapitalMember |
| 2647 |
Owned by government [Member] |
Member |
|
|
kep:ShareCapitalOwnedByGovernmentMember |
| 2648 |
Owned by others [Member] |
Member |
|
|
kep:ShareCapitalOwnedByNongovernmentOthersMember |
| 2649 |
Common shares [Line Items] |
LineItems |
|
|
kep:NumberOfSharesIssuedLineitems |
| 2650 |
Common shares |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IssuedCapital |
| 2651 |
24300102 - Disclosure - Details in number of outstanding capital stock (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DetailsInNumberOfOutstandingCapitalStockDetails |
| 2652 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2653 |
Disclosure of classes of share capital [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfClassesOfShareCapitalAbstract |
| 2654 |
Shares authorized |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesAuthorised |
| 2655 |
Shares issued |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssued |
| 2656 |
Par value per share |
Concept (Share) |
As Of |
|
ifrs-full:ParValuePerShare |
| 2657 |
24300300 - Disclosure - Details of share premium (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DetailsOfSharePremiumDetails |
| 2658 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2659 |
Share premium [Abstract] |
Abstract |
|
|
kep:SharePremiumAbstract |
| 2660 |
Share premium |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:SharePremium |
| 2661 |
24310100 - Disclosure - Retained Earnings (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/RetainedEarningsDetails |
| 2662 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2663 |
Retained Earnings Note Disclosure [Abstract] |
Abstract |
|
|
us-gaap:RetainedEarningsAccumulatedDeficitAbstract |
| 2664 |
Legal reserves |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:StatutoryReserve |
| 2665 |
Voluntary reserves [Abstract] |
Abstract |
|
|
kep:RetainedEarningsVoluntaryReservesAbstract |
| 2666 |
Reserve for investment on social overhead capital |
Concept (Monetary) |
As Of |
Debit |
kep:RetainedEarningsVoluntaryReservesForInvestmentOnSocialOverheadCapital |
| 2667 |
Reserve for research and human development |
Concept (Monetary) |
As Of |
Credit |
kep:RetainedEarningsVoluntaryReservesForResearchAndHumanDevelopment |
| 2668 |
Reserve for business expansion |
Concept (Monetary) |
As Of |
Credit |
kep:RetainedEarningsVoluntaryReservesForBusinessExpansion |
| 2669 |
Reserve for equalizing dividends |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ReserveForEqualisation |
| 2670 |
Voluntary reserves |
Concept (Monetary) |
As Of |
Credit |
kep:VoluntaryReserves |
| 2671 |
Retained earnings before appropriations |
Concept (Monetary) |
As Of |
Credit |
us-gaap:RetainedEarningsUnappropriated |
| 2672 |
Retained earnings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:RetainedEarnings |
| 2673 |
24310300 - Disclosure - Changes in retained earnings (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ChangesInRetainedEarningsDetails |
| 2674 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2675 |
Disclosure of Changes in retained earnings [Abstract] |
Abstract |
|
|
kep:DisclosureOfChangeInRetainedEarningsAbstract |
| 2676 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:RetainedEarnings |
| 2677 |
Net profit for the period attributed to owner of the Company |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToOwnersOfParent |
| 2678 |
Changes in equity method retained earnings [Abstract] |
Abstract |
|
|
kep:ChangeInRetainedEarningsFromEquityMethodAbstract |
| 2679 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
us-gaap:RetainedEarningsUndistributedEarningsFromEquityMethodInvestees |
| 2680 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
us-gaap:RetainedEarningsUndistributedEarningsFromEquityMethodInvestees |
| 2681 |
Changes |
Concept (Monetary) |
For Period |
Credit |
kep:ChangesInRetainedEarningsUndistributedEarningsFromEquityMethodInvestees |
| 2682 |
Remeasurements of defined benefit liability, net of tax |
Concept (Monetary) |
For Period |
Credit |
kep:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlansAttributableToOwnersOfParent |
| 2683 |
Dividend paid |
Concept (Monetary) |
For Period |
Debit |
kep:DividendsPaidAttributableToOwnersOfParent |
| 2684 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:RetainedEarnings |
| 2685 |
24310400 - Disclosure - Dividends Paid (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DividendsPaidDetails |
| 2686 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2687 |
Dividends [Abstract] |
Abstract |
|
|
us-gaap:DividendsAbstract |
| 2688 |
Number of shares issued |
Concept (Shares) |
As Of |
|
ifrs-full:NumberOfSharesIssuedAndFullyPaid |
| 2689 |
Treasury Stock, Common, Shares |
Concept (Shares) |
As Of |
|
us-gaap:TreasuryStockCommonShares |
| 2690 |
Number of shares eligible for dividends |
Concept (Shares) |
As Of |
|
kep:NumberOfSharesEligibleForDividends |
| 2691 |
Dividends paid per share (In won) |
Concept (Share) |
For Period |
|
ifrs-full:DividendsPaidOrdinarySharesPerShare |
| 2692 |
Dividend paid |
Concept (Monetary) |
For Period |
Debit |
kep:DividendsPaidAttributableToOwnersOfParent |
| 2693 |
24310600 - Disclosure - Changes in Reserve of remeasurements (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ChangesInReserveOfRemeasurementsDetails |
| 2694 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2695 |
Disclosure of Changes in Reserve of remeasurements [Abstract] |
Abstract |
|
|
kep:DisclosureOfChangesInReserveOfRemeasurementsAbstract |
| 2696 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlans |
| 2697 |
Changes |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherComprehensiveIncomeBeforeTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlans |
| 2698 |
Income tax effect |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome |
| 2699 |
Transfer to reserve for business expansion |
Concept (Monetary) |
As Of |
Debit |
kep:TransferToRetainedEarningsVoluntaryReservesForBusinessExpansion |
| 2700 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:ReserveOfRemeasurementsOfDefinedBenefitPlans |
| 2701 |
24320000 - Disclosure - Statement of Appropriation of retained earnings (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/StatementOfAppropriationOfRetainedEarningsDetails |
| 2702 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2703 |
Statement of Appropriation of Retained Earnings [Abstract] |
Abstract |
|
|
kep:StatementOfAppropriationOfRetainedEarningsAbstract |
| 2704 |
Unappropriated retained earnings carried over from prior years |
Concept (Monetary) |
As Of |
Credit |
kep:RetainedEarningsUnappropriatedSeparateFinancialStatement |
| 2705 |
Net income |
Concept (Monetary) |
For Period |
Credit |
kep:ProfitLossSeparateFinancialStatement |
| 2706 |
Remeasurements of defined benefit plans |
Concept (Monetary) |
For Period |
Credit |
kep:OtherComprehensiveIncomeNetOfTaxGainsLossesOnRemeasurementsOfDefinedBenefitPlansSeparateFinancialStatement |
| 2707 |
Retained earnings before appropriations |
Concept (Monetary) |
For Period |
Credit |
kep:RetainedEarningsBeforeAppropriationsSeparateFinancialStatement |
| 2708 |
Transfer from voluntary reserves |
Concept (Monetary) |
For Period |
Debit |
kep:TransferFromVoluntaryReservesSeparateFinancialStatement |
| 2709 |
Concept (Monetary) |
For Period |
Credit |
kep:RetainedEarningsUnappropriatedAfterRegulatoryReversalOfLoanLossesSeparateFinancialStatement |
| 2710 |
Appropriations of retained earnings |
Concept (Monetary) |
For Period |
Credit |
kep:AppropriationsOfRetainedEarningsSeparateFinancialStatement |
| 2711 |
Legal reserve |
Concept (Monetary) |
For Period |
Debit |
kep:StatutoryReserveSeparateFinancialStatement |
| 2712 |
Dividends (government, individual) Amount of dividends per share (%) : Current year – W790 (16%) Prior year – W1,980 (40%) |
Concept (Monetary) |
For Period |
Credit |
kep:DividendsPaidSeparateFinancialStatement |
| 2713 |
Reserve for business expansion |
Concept (Monetary) |
For Period |
Debit |
kep:ReserveForBusinessExpansionSeparateFinancialStatement |
| 2714 |
Unappropriated retained earnings to be carried over to subsequent year |
Concept (Monetary) |
As Of |
Credit |
kep:RetainedEarningsUnappropriatedSeparateFinancialStatement |
| 2715 |
24330000 - Disclosure - Hybrid bond (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/HybridBondDetails |
| 2716 |
Hybrid bond [Table] |
Table |
* |
* |
kep:DisclosureOfHybridBondsTable |
| 2717 |
Hybrid bonds [Axis] |
Axis |
|
|
kep:HybridBondsAxis |
| 2718 |
Hybrid bonds [Domain] |
Member |
|
|
kep:HybridBondsMember |
| 2719 |
Korea Western Power [Member] |
Member |
|
|
kep:KoreaWesternPowerMember |
| 2720 |
Korea South-East Power [Member] |
Member |
|
|
kep:KoreaSouthEastPowerMember |
| 2721 |
Expense of issuance [Member] |
Member |
|
|
kep:ExpenseOfIssuanceMember |
| 2722 |
Hybrid bond-type [Axis] |
Axis |
|
|
kep:HybridBondtypeAxis |
| 2723 |
Hybrid bond-type [Domain] |
Member |
|
|
kep:HybridBondtypeMember |
| 2724 |
1st bond-type hybrid bond [Member] |
Member |
|
|
kep:FirstBondTypeHybridBondsMember |
| 2725 |
2nd bond-type hybrid bond [Member] |
Member |
|
|
kep:SecondBondTypeHybridBondsMember |
| 2726 |
Hybrid bond [Line Items] |
LineItems |
|
|
kep:DisclosureOfHybridBondsLineitems |
| 2727 |
Issue date |
Concept (Date) |
For Period |
|
kep:HybridBondsIssuedDate |
| 2728 |
Maturity date |
Concept (Date) |
For Period |
|
kep:HybridBondsMaturity |
| 2729 |
Yield (%) |
Concept (Percent) |
As Of |
|
kep:HybridBondsYield |
| 2730 |
Amount |
Concept (Monetary) |
As Of |
Credit |
kep:HybridBondsAmount |
| 2731 |
24340000 - Disclosure - Other Components Of Equity (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/OtherComponentsOfEquityDetails |
| 2732 |
Changes In Other Components Of Equity [Table] |
Table |
* |
* |
kep:ChangesInOtherComponentsOfEquityTable |
| 2733 |
Other Components Of Equity [Axis] |
Axis |
|
|
kep:OtherComponentsOfEquityAxis |
| 2734 |
Other Components Of Equity [Domain] |
Member |
|
|
kep:OtherComponentsOfEquityMember |
| 2735 |
Other capital surplus [Member] |
Member |
|
|
kep:OtherCapitalSurplusMember |
| 2736 |
Gains on disposal of Treasury stocks [Member] |
Member |
|
|
ifrs-full:TreasurySharesMember |
| 2737 |
Other Capital Surplus Other Than Gainson Disposal Of Treasury Stocks [Member] |
Member |
|
|
kep:OtherCapitalSurplusOtherThanGainsonDisposalOfTreasuryStocksMember |
| 2738 |
Accumulated other comprehensive loss [Member] |
Member |
|
|
ifrs-full:AccumulatedOtherComprehensiveIncomeMember |
| 2739 |
Available-for-sale financial asset valuation reserve [Member] |
Member |
|
|
ifrs-full:ReserveOfGainsAndLossesOnRemeasuringAvailableforsaleFinancialAssetsMember |
| 2740 |
Shares in other comprehensive Income (loss) of investments in associates and joint ventures [Member] |
Member |
|
|
kep:SharesInOtherComprehensiveIncomeLossOfInvestmentsInAssociatesAndJointVenturesMember |
| 2741 |
Reserve for overseas operations translation credit [Member] |
Member |
|
|
us-gaap:AccumulatedTranslationAdjustmentMember |
| 2742 |
Reserve for gain (loss) on valuation of derivatives [Member] |
Member |
|
|
ifrs-full:ReserveOfCashFlowHedgesMember |
| 2743 |
Other equity [Member] |
Member |
|
|
ifrs-full:OtherEquityInterestMember |
| 2744 |
Statutory revaluation reserve [Member] |
Member |
|
|
ifrs-full:StatutoryReserveMember |
| 2745 |
Changes in other equity [Member] |
Member |
|
|
kep:ChangesInOtherEquityMember |
| 2746 |
Changes In Other Components Of Equity [Line Items] |
LineItems |
|
|
kep:ChangesInOtherComponentsOfEquityLineItems |
| 2747 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
kep:OtherComponentsOfEquity |
| 2748 |
Disposal of subsidiary |
Concept (Monetary) |
For Period |
Credit |
kep:IncreaseDecreaseThroughDisposalOfSubsidiaryInOtherComponentsOfEquity |
| 2749 |
Issuance of share capital of subsidiary |
Concept (Monetary) |
For Period |
Credit |
kep:IssueOfEquityInOtherComponentsOfEquity |
| 2750 |
Others |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncreaseDecreaseThroughTransfersAndOtherChangesEquity |
| 2751 |
Changes in the unrealized fair value of available- for-sale financial assets, net of tax |
Concept (Monetary) |
For Period |
Credit |
kep:OtherComprehensiveIncomeNetOfTaxAvailableforsaleFinancialAssetsInOtherComponentsOfEquity |
| 2752 |
Shares in other comprehensive loss of associates and joint ventures, net of tax |
Concept (Monetary) |
For Period |
Credit |
kep:ShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethodThatWillBeReclassifiedToProfitOrLossNetOfTaxInOtherComponentsOfEquity |
| 2753 |
Foreign currency translation of foreign operations, net of tax |
Concept (Monetary) |
For Period |
Credit |
kep:OtherComprehensiveIncomeNetOfTaxExchangeDifferencesOnTranslationInOtherComponentsOfEquity |
| 2754 |
Net change in the unrealized fair value of derivatives using cash flow hedge accounting, net of tax |
Concept (Monetary) |
For Period |
Credit |
kep:OtherComprehensiveIncomeNetOfTaxCashFlowHedgesInOtherComponentsOfEquity |
| 2755 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
kep:OtherComponentsOfEquity |
| 2756 |
24360000 - Disclosure - Selling and Administrative Expenses (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/SellingAndAdministrativeExpensesDetails |
| 2757 |
Expenses by nature [Table] |
Table |
* |
* |
kep:ExpensesByNatureTable |
| 2758 |
Expenses by nature [Axis] |
Axis |
|
|
kep:ExpensesByNatureAxis |
| 2759 |
Expenses by nature [Domain] |
Member |
|
|
kep:ExpensesByNatureMember |
| 2760 |
Selling and administrative expense [Member] |
Member |
|
|
kep:SellingGeneralAndAdministrativeExpenseMember |
| 2761 |
Expenses by nature [Line Items] |
LineItems |
|
|
kep:ExpensesByNatureLineitems |
| 2762 |
Raw materials used |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:RawMaterialsAndConsumablesUsed |
| 2763 |
Salaries |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:WagesAndSalaries |
| 2764 |
Employee benefits expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:EmployeeBenefitsExpense |
| 2765 |
Welfare and benefit expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TerminationBenefitsExpense |
| 2766 |
Insurance expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:InsuranceExpense |
| 2767 |
Depreciation |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DepreciationExpense |
| 2768 |
Amortization of intangible assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AmortisationExpense |
| 2769 |
Bad debt expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeReceivables |
| 2770 |
Commission |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:FeeAndCommissionExpense |
| 2771 |
Advertising expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdvertisingExpense |
| 2772 |
Training expense |
Concept (Monetary) |
For Period |
Debit |
kep:TrainingExpenses |
| 2773 |
Vehicle maintenance expense |
Concept (Monetary) |
For Period |
Debit |
kep:VehicleMaintenanceExpenses |
| 2774 |
Publishing expense |
Concept (Monetary) |
For Period |
Debit |
kep:PublicationExpenses |
| 2775 |
Business promotion expense |
Concept (Monetary) |
For Period |
Debit |
kep:EngagementExpenses |
| 2776 |
Rent expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:RentalExpense |
| 2777 |
Telecommunication expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CommunicationExpense |
| 2778 |
Transportation expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TransportationExpense |
| 2779 |
Taxes and dues |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxExpenseOtherThanIncomeTaxExpense |
| 2780 |
Expendable supplies expense |
Concept (Monetary) |
For Period |
Debit |
us-gaap:SuppliesExpense |
| 2781 |
Water, light and heating expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:UtilitiesExpense |
| 2782 |
Repairs and maintenance expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:RepairsAndMaintenanceExpense |
| 2783 |
Ordinary development expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ResearchAndDevelopmentExpense |
| 2784 |
Travel expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TravelExpense |
| 2785 |
Clothing expense |
Concept (Monetary) |
For Period |
Debit |
kep:ClothingExpenses |
| 2786 |
Survey and analysis expense |
Concept (Monetary) |
For Period |
Debit |
kep:ResearchExpense |
| 2787 |
Membership fee |
Concept (Monetary) |
For Period |
Debit |
kep:MembershipExpenses |
| 2788 |
Power purchase |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CostOfPurchasedEnergySold |
| 2789 |
Disclosure - Other selling and administrative expenses [Abstract] |
Abstract |
|
|
kep:OtherSellingGeneralAndAdministrativeExpenseAbstract |
| 2790 |
Accommodation development expenses |
Concept (Monetary) |
For Period |
Debit |
kep:AccommodationDevelopmentExpenses |
| 2791 |
Miscellaneous wages |
Concept (Monetary) |
For Period |
Debit |
kep:MiscellaneousWages |
| 2792 |
Litigation and filing expenses |
Concept (Monetary) |
For Period |
Debit |
kep:LitigationExpenses |
| 2793 |
Compensation for damages |
Concept (Monetary) |
For Period |
Debit |
kep:CompensationExpenses |
| 2794 |
Outsourcing expenses |
Concept (Monetary) |
For Period |
Debit |
kep:OutsourcingExpenses |
| 2795 |
Reward expenses |
Concept (Monetary) |
For Period |
Debit |
kep:PrizeExpense |
| 2796 |
Overseas market development expenses |
Concept (Monetary) |
For Period |
Debit |
kep:OverseasMarketDevelopmentExpenses |
| 2797 |
Others |
Concept (Monetary) |
For Period |
Debit |
kep:MiscellaneousExpenses |
| 2798 |
Others |
Concept (Monetary) |
For Period |
Debit |
us-gaap:OtherGeneralAndAdministrativeExpense |
| 2799 |
General and administrative expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:SellingGeneralAndAdministrativeExpense |
| 2800 |
Cost of sales |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CostOfSales |
| 2801 |
Total expenses, by nature |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseByNature |
| 2802 |
24370000 - Disclosure - Other Income and Expense (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/OtherIncomeAndExpenseDetails |
| 2803 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2804 |
Other Nonoperating Income (Expense) [Abstract] |
Abstract |
|
|
us-gaap:OtherNonoperatingIncomeExpenseAbstract |
| 2805 |
Other non-operating income [Abstract] |
Abstract |
|
|
kep:OtherNonoperatingIncomeAbstract |
| 2806 |
Reversal of other provisions |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherReversalsOfProvisions |
| 2807 |
Reversal of allowance for doubtful accounts |
Concept (Monetary) |
For Period |
Credit |
kep:ReversalsOfAllowanceForOtherDoubtfulAccounts |
| 2808 |
Gains on government grants |
Concept (Monetary) |
For Period |
Credit |
us-gaap:RevenueFromGrants |
| 2809 |
Gains on assets contributed |
Concept (Monetary) |
For Period |
Credit |
kep:GainsFromAssetsContributed |
| 2810 |
Gains on liabilities exempted |
Concept (Monetary) |
For Period |
Credit |
us-gaap:GainsLossesOnExtinguishmentOfDebt |
| 2811 |
Compensation and reparations revenue |
Concept (Monetary) |
For Period |
Credit |
us-gaap:ReimbursementRevenue |
| 2812 |
Revenue from research contracts |
Concept (Monetary) |
For Period |
Credit |
kep:GainsFromOtherEntrustedBusiness |
| 2813 |
Income related to transfer of assets from customers |
Concept (Monetary) |
For Period |
Credit |
kep:GainsFromContributionToConstruction |
| 2814 |
Rental income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RentalIncome |
| 2815 |
Others of Other Income |
Concept (Monetary) |
For Period |
Credit |
kep:OthersOfMiscellaneousOtherNonoperatingIncome |
| 2816 |
Refund of claim for rectification |
Concept (Monetary) |
For Period |
Credit |
kep:RefundOfClaimForRectification |
| 2817 |
Adjustment of research project |
Concept (Monetary) |
For Period |
Credit |
us-gaap:ClearingFeesRevenue |
| 2818 |
Maintenance expenses on lease building |
Concept (Monetary) |
For Period |
Credit |
kep:MaintenanceExpensesOnLeaseBuilding |
| 2819 |
Training expenses |
Concept (Monetary) |
For Period |
Credit |
kep:ExpensesOfOtherCommisions |
| 2820 |
Deposit redemption |
Concept (Monetary) |
For Period |
Credit |
kep:DepositRedemption |
| 2821 |
Reversal of expenses on litigation |
Concept (Monetary) |
For Period |
Credit |
kep:ReversalOfExpensesOnLitigation |
| 2822 |
Revenue on royalty fee |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromRoyalties |
| 2823 |
Reimbursement of insurance fee |
Concept (Monetary) |
For Period |
Credit |
kep:ReimbursementOfInsuranceFee |
| 2824 |
Gains on guarantee contracts |
Concept (Monetary) |
For Period |
Credit |
us-gaap:GuarantyFeeIncome |
| 2825 |
Miscellaneous other non-operating income |
Concept (Monetary) |
For Period |
Credit |
kep:MiscellaneousOtherNonoperatingIncome |
| 2826 |
Other non-operating income |
Concept (Monetary) |
For Period |
Credit |
us-gaap:OtherNonoperatingIncome |
| 2827 |
Other non-operating expense [Abstract] |
Abstract |
|
|
kep:OtherNonoperatingExpenseAbstract |
| 2828 |
Compensation and indemnification expense |
Concept (Monetary) |
For Period |
Debit |
kep:ReimbursementExpenses |
| 2829 |
Accretion expenses of other provisions |
Concept (Monetary) |
For Period |
Debit |
kep:TransferredAmountOfProvisionOfOtherAllowance |
| 2830 |
Depreciation expenses on investment properties |
Concept (Monetary) |
For Period |
|
ifrs-full:DepreciationInvestmentProperty |
| 2831 |
Depreciation expenses on idle assets |
Concept (Monetary) |
For Period |
Debit |
us-gaap:OtherDepreciationAndAmortization |
| 2832 |
Other bad debt expense |
Concept (Monetary) |
For Period |
Debit |
kep:OtherBadDebtExpenses |
| 2833 |
Donations |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DonationsAndSubsidiesExpense |
| 2834 |
Others of Other Expense |
Concept (Monetary) |
For Period |
Debit |
kep:OthersOfMiscellaneousOtherNonoperatingExpense |
| 2835 |
Operating expenses related to the idle assets |
Concept (Monetary) |
For Period |
Debit |
kep:OperatingExpensesRelatedToTheIdleAssets |
| 2836 |
Research grants |
Concept (Monetary) |
For Period |
Debit |
kep:ResearchGrants |
| 2837 |
Supporting expenses on farming and fishing village |
Concept (Monetary) |
For Period |
Debit |
kep:SupportingExpensesOnFarmingAndFishingVillage |
| 2838 |
Operating expenses on fitness center |
Concept (Monetary) |
For Period |
Debit |
kep:OperatingExpensesOnFitnessCenter |
| 2839 |
Expenses on adjustment of research and development grants |
Concept (Monetary) |
For Period |
Debit |
kep:ExpensesOnAdjustmentOfResearchAndDevelopmentGrants |
| 2840 |
Taxes and dues |
Concept (Monetary) |
For Period |
Debit |
kep:TaxesAndDues |
| 2841 |
Expenses on R&D supporting |
Concept (Monetary) |
For Period |
Debit |
kep:ExpensesOnRnDSupporting |
| 2842 |
Moving expense |
Concept (Monetary) |
For Period |
Debit |
kep:MovementExpense |
| 2843 |
Miscellaneous other non-operating expense |
Concept (Monetary) |
For Period |
Debit |
kep:MiscellaneousOtherNonoperatingExpense |
| 2844 |
Other non-operating expense |
Concept (Monetary) |
For Period |
Debit |
us-gaap:OtherNonoperatingExpense |
| 2845 |
24380000 - Disclosure - Other Gains (Losses) (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/OtherGainsLossesDetails |
| 2846 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2847 |
Other Gains (Losses) [Abstract] |
Abstract |
|
|
kep:OtherGainsLossesAbstract |
| 2848 |
Other gains [Abstract] |
Abstract |
|
|
kep:OtherGainsAbstract |
| 2849 |
Gains on disposal of property, plant and equipment |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsOnDisposalsOfPropertyPlantAndEquipment |
| 2850 |
Gains on disposal of intangible assets |
Concept (Monetary) |
For Period |
Credit |
kep:GainOnDisposalsOfIntangibleAssets |
| 2851 |
Reversal of impairment loss on intangible assets |
Concept (Monetary) |
For Period |
|
ifrs-full:ReversalOfImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill |
| 2852 |
Gains on foreign currency translation |
Concept (Monetary) |
For Period |
Credit |
kep:GainsOnForeignCurrencyTranslation |
| 2853 |
Gains on foreign currency transaction |
Concept (Monetary) |
For Period |
Credit |
kep:GainsOnForeignCurrencyTransaction |
| 2854 |
Gains on insurance proceeds |
Concept (Monetary) |
For Period |
Credit |
kep:GainsOnInsuranceProceeds |
| 2855 |
Miscellaneous Other Gains |
Concept (Monetary) |
For Period |
Credit |
kep:MiscellaneousOtherGains |
| 2856 |
Gains on disposal of inventories |
Concept (Monetary) |
For Period |
Credit |
kep:GainsOnDisposalOfInventories |
| 2857 |
Gains on valuation of inventories |
Concept (Monetary) |
For Period |
|
ifrs-full:ReversalOfInventoryWritedown |
| 2858 |
Gains on proxy collection of TV license fee |
Concept (Monetary) |
For Period |
Credit |
kep:GainsOnProxyCollectionOfTvLicenseFee |
| 2859 |
Gains on compensation of impaired electric poles |
Concept (Monetary) |
For Period |
Credit |
kep:GainsOnCompensationOfImpairedElectricPoles |
| 2860 |
Gains on compensation for infringement on contract |
Concept (Monetary) |
For Period |
Credit |
kep:GainsOnCompensationForInfringementOnContract |
| 2861 |
Gains on harbor facilities dues |
Concept (Monetary) |
For Period |
Credit |
kep:GainsOnHarborFacilitiesDues |
| 2862 |
Gains on technical fees |
Concept (Monetary) |
For Period |
Credit |
kep:GainsOnTechnicalFees |
| 2863 |
Reversal of occupation development training fees |
Concept (Monetary) |
For Period |
Credit |
kep:ReversalOfOccupationDevelopmentTrainingFees |
| 2864 |
Gains on disposal of waste |
Concept (Monetary) |
For Period |
Credit |
kep:GainsOnDisposalOfWaste |
| 2865 |
Gains on insurance |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:IncomeArisingFromInsuranceContracts |
| 2866 |
Gains on litigation |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsOnLitigationSettlements |
| 2867 |
Gains on tax rebate |
Concept (Monetary) |
For Period |
Credit |
kep:GainsOnTaxRebate |
| 2868 |
Gains on other commission |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherFeeAndCommissionIncome |
| 2869 |
Gains on research tasks |
Concept (Monetary) |
For Period |
Credit |
kep:GainsOnResearchTasks |
| 2870 |
Gains on settlement and others |
Concept (Monetary) |
For Period |
Credit |
kep:GainsOnSettlementAndOthers |
| 2871 |
Gains on sales of greenhouse gas emissions rights |
Concept (Monetary) |
For Period |
Credit |
kep:GainsOnSalesOfGreenhouseGasEmissionsRights |
| 2872 |
Others of Miscellaneous Other Gains |
Concept (Monetary) |
For Period |
Credit |
kep:OthersOfMiscellaneousOtherGains |
| 2873 |
Other losses [Abstract] |
Abstract |
|
|
kep:OtherLossesAbstract |
| 2874 |
Losses on disposal of property, plant and equipment |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:LossesOnDisposalsOfPropertyPlantAndEquipment |
| 2875 |
Losses on disposal of intangible assets |
Concept (Monetary) |
For Period |
Debit |
kep:LossesOnDisposalsOfIntangibleAssets |
| 2876 |
Impairment loss on property, plant and equipment |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossPropertyPlantAndEquipment |
| 2877 |
Impairment loss on intangible assets |
Concept (Monetary) |
For Period |
|
ifrs-full:ImpairmentLossRecognisedInProfitOrLossIntangibleAssetsOtherThanGoodwill |
| 2878 |
Losses on foreign currency translation |
Concept (Monetary) |
For Period |
Debit |
kep:LossesOnForeignCurrencyTranslation |
| 2879 |
Losses on foreign currency transaction |
Concept (Monetary) |
For Period |
Debit |
kep:LossesOnForeignCurrencyTransaction |
| 2880 |
Miscellaneous Other Losses |
Concept (Monetary) |
For Period |
Debit |
kep:MiscellaneousOtherLosses |
| 2881 |
Losses on valuation of inventories |
Concept (Monetary) |
For Period |
|
ifrs-full:InventoryWritedown2011 |
| 2882 |
Losses on disposal of inventories |
Concept (Monetary) |
For Period |
Debit |
kep:LossesOnDisposalOfInventories |
| 2883 |
Losses due to disaster |
Concept (Monetary) |
For Period |
Debit |
kep:LossesDueToDisaster |
| 2884 |
Losses on rounding adjustment of electric charge surtax |
Concept (Monetary) |
For Period |
Debit |
kep:LossesOnRoundingAdjustmentOfElectricChargeSurtax |
| 2885 |
Losses on adjustments of levies |
Concept (Monetary) |
For Period |
Debit |
kep:LossesOnAdjustmentsOfLevies |
| 2886 |
Forfeit of taxes and dues |
Concept (Monetary) |
For Period |
Debit |
kep:ForfeitOfTaxesAndDues |
| 2887 |
Losses on litigation |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:LossesOnLitigationSettlements |
| 2888 |
Others Of Miscellaneous Other Losses |
Concept (Monetary) |
For Period |
Debit |
kep:OthersOfMiscellaneousOtherLosses |
| 2889 |
Net other gains |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherGainsLosses |
| 2890 |
24390000 - Disclosure - Finance Income (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/FinanceIncomeDetails |
| 2891 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2892 |
Finance income [Abstract] |
Abstract |
|
|
kep:FinanceIncomeAbstract |
| 2893 |
Interest Income [Abstract] |
Abstract |
|
|
kep:InterestIncomeAbstract |
| 2894 |
Cash and cash equivalents |
Concept (Monetary) |
For Period |
Credit |
kep:InterestIncomeOtherOnCashAndCashEquivalents |
| 2895 |
Available-for-sale financial assets |
Concept (Monetary) |
For Period |
Credit |
kep:InterestIncomeOtherOnAvailableforsaleFinancialAssets |
| 2896 |
Held-to-maturity investments |
Concept (Monetary) |
For Period |
Credit |
kep:InterestIncomeOtherOnHeldtomaturityInvestments |
| 2897 |
Loans and receivables |
Concept (Monetary) |
For Period |
Credit |
kep:InterestIncomeOtherOnLoansAndReceivables |
| 2898 |
Short-term financial instrument |
Concept (Monetary) |
For Period |
Credit |
kep:InterestIncomeOtherOnShorttermFinancialInstrument |
| 2899 |
Long-term financial instrument |
Concept (Monetary) |
For Period |
Credit |
kep:InterestIncomeOtherOnLongtermFinancialInstrument |
| 2900 |
Trade and other receivables |
Concept (Monetary) |
For Period |
Credit |
kep:InterestIncomeOtherOnInterestIncomePurchasedReceivables |
| 2901 |
Total Interest Income |
Concept (Monetary) |
For Period |
Credit |
us-gaap:InterestIncomeOther |
| 2902 |
Dividend income |
Concept (Monetary) |
For Period |
Credit |
us-gaap:InvestmentIncomeDividend |
| 2903 |
Gains on disposal of financial assets |
Concept (Monetary) |
For Period |
Credit |
kep:GainsOnDisposalOfFinancialAssets |
| 2904 |
Gains on valuation of Financial assets at fair value through profit or loss |
Concept (Monetary) |
For Period |
Credit |
kep:GainsOnFinancialAssetsAtFairValueThroughProfitOrLoss |
| 2905 |
Gains on valuation of derivatives |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:GainsOnChangeInFairValueOfDerivatives |
| 2906 |
Gains on transaction of derivatives |
Concept (Monetary) |
For Period |
Credit |
kep:GainsOnTransactionOfDerivatives |
| 2907 |
Gains on foreign currency translation of Finance Income |
Concept (Monetary) |
For Period |
Credit |
kep:GainsOnForeignCurrencyTranslationOfFinanceIncome |
| 2908 |
Gains on foreign currency transaction |
Concept (Monetary) |
For Period |
Credit |
us-gaap:ForeignCurrencyTransactionGainBeforeTax |
| 2909 |
Other finance income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:OtherFinanceIncome |
| 2910 |
Total Finance Income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:FinanceIncome |
| 2911 |
24400000 - Disclosure - Finance Expenses (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/FinanceExpensesDetails |
| 2912 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2913 |
Finance Expense [Abstract] |
Abstract |
|
|
kep:FinanceExpenseAbstract |
| 2914 |
Interest Expense [Abstract] |
Abstract |
|
|
us-gaap:InterestExpenseAbstract |
| 2915 |
Trade and other payables |
Concept (Monetary) |
For Period |
Debit |
kep:InterestExpenseOnTradeAndOtherPayables |
| 2916 |
Short-term borrowings |
Concept (Monetary) |
For Period |
Debit |
us-gaap:InterestExpenseShortTermBorrowings |
| 2917 |
Long-term borrowings |
Concept (Monetary) |
For Period |
Debit |
us-gaap:InterestExpenseLongTermDebt |
| 2918 |
Debt securities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:InterestExpenseOnDebtInstrumentsIssued |
| 2919 |
Other financial liabilities |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:InterestExpenseOnOtherFinancialLiabilities |
| 2920 |
Interest Expense (Before Capitalizing borrowing costs) |
Concept (Monetary) |
For Period |
Debit |
kep:InterestExpenseTotal |
| 2921 |
Less: Capitalized borrowing costs |
Concept (Monetary) |
For Period |
Credit |
us-gaap:InterestCostsCapitalizedAdjustment |
| 2922 |
Interest expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:InterestExpense |
| 2923 |
Losses on sale of financial assets |
Concept (Monetary) |
For Period |
Debit |
kep:LossesOnSaleOfFinancialAssets |
| 2924 |
Impairment of available-for-sale financial assets |
Concept (Monetary) |
For Period |
|
kep:ImpairmentLossesOnAvailableForSaleFinancialAssets |
| 2925 |
Losses on valuation of derivatives |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:LossesOnChangeInFairValueOfDerivatives |
| 2926 |
Losses on transaction of derivatives |
Concept (Monetary) |
For Period |
Debit |
kep:LossesOnTransactionOfDerivatives |
| 2927 |
Losses on foreign currency translation |
Concept (Monetary) |
For Period |
Debit |
kep:LossesOnForeignCurrencyTranslationOfFinanceExpense |
| 2928 |
Losses on foreign currency transaction |
Concept (Monetary) |
For Period |
Debit |
us-gaap:ForeignCurrencyTransactionLossBeforeTax |
| 2929 |
Losses on repayment of financial liabilities |
Concept (Monetary) |
For Period |
Debit |
kep:LossesOnRepaymentOfFinancialLiabilities |
| 2930 |
Other Finance Expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OtherFinanceCost |
| 2931 |
Total Finance Expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:FinanceCosts |
| 2932 |
24410100 - Disclosure - Income tax expense (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/IncomeTaxExpenseDetails |
| 2933 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2934 |
Income tax expense [Abstract] |
Abstract |
|
|
ifrs-full:MajorComponentsOfTaxExpenseIncomeAbstract |
| 2935 |
Current income tax expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CurrentTaxExpenseIncome |
| 2936 |
Payment of income tax |
Concept (Monetary) |
For Period |
Credit |
us-gaap:PaymentsForOtherTaxes |
| 2937 |
Adjustment due to changes in estimates related to prior years |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod |
| 2938 |
Current income tax directly recognized in equity |
Concept (Monetary) |
For Period |
Debit |
kep:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncomeAndDeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity |
| 2939 |
Income tax directly adjusted to shareholders’ equity (except for accumulated other comprehensive income (loss)) |
Concept (Monetary) |
For Period |
|
ifrs-full:DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity |
| 2940 |
Dividends of hybrid securities |
Concept (Monetary) |
For Period |
Debit |
kep:TaxExpenseRelatingToDividendsOfHybridSecuritiesAllocatedDirectlytoEquity |
| 2941 |
Gain on disposal of investments in subsidiaries |
Concept (Monetary) |
For Period |
Debit |
kep:TaxExpenseRelatingToGainLossOnDisposalOfInvestmentsInSubsidiariesAllocatedDirectlytoEquity |
| 2942 |
Effect of change in effective tax rate |
Concept (Monetary) |
For Period |
Debit |
kep:EffectOfChangeInEffectiveTaxRateAllocatedDirectlytoEquity |
| 2943 |
Income tax recognized as other comprehensive income (loss) |
Concept (Monetary) |
For Period |
|
ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome |
| 2944 |
Gain (loss) on valuation of available-for-sale financial assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxRelatingToAvailableforsaleFinancialAssetsOfOtherComprehensiveIncome |
| 2945 |
Net change in the unrealized fair value of derivatives using cash flow hedge accounting, net of tax |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxRelatingToHedgesOfNetInvestmentsInForeignOperationsOfOtherComprehensiveIncome |
| 2946 |
Remeasurements of defined benefit obligations |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxRelatingToRemeasurementsOfDefinedBenefitPlansOfOtherComprehensiveIncome |
| 2947 |
Investments in associates |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxRelatingToShareOfOtherComprehensiveIncomeOfAssociatesAndJointVenturesAccountedForUsingEquityMethod |
| 2948 |
Others |
Concept (Monetary) |
For Period |
Debit |
kep:IncomeTaxRelatingToOthersOfOtherComprehensiveIncome |
| 2949 |
Deferred income tax expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DeferredTaxExpenseIncome |
| 2950 |
Generation and realization of temporary differences |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DeferredTaxExpenseIncomeRelatingToOriginationAndReversalOfTemporaryDifferences |
| 2951 |
Changes of unrecognized tax losses, tax credit and temporary differences for prior periods |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceDeferredTaxExpense |
| 2952 |
Changes in deferred tax on tax losses carryforwards |
Concept (Monetary) |
As Of |
Debit |
us-gaap:DeferredTaxAssetsOperatingLossCarryforwards |
| 2953 |
Tax credit carryforwards |
Concept (Monetary) |
For Period |
Debit |
kep:ChangesInDeferredTaxAssetsTaxCreditCarryforwards |
| 2954 |
Income tax expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 2955 |
24410200 - Disclosure - Income tax expense : Reconciliation between actual income tax expense and amount computed by applying the statutory tax rate of 24.2% to income before income taxes (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/IncomeTaxExpenseReconciliationBetweenActualIncomeTaxExpenseAndAmountComputedByApplyingTheStatutoryTaxRateOf242ToIncomeBeforeIncomeTaxesDetails |
| 2956 |
Implied Table |
Table |
* |
* |
implied:Table |
| 2957 |
Disclosure - Income tax expense calculated by multiplying net income before tax with the tax rate [Abstract] |
Abstract |
|
|
ifrs-full:ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAbstract |
| 2958 |
Profit before income tax |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossBeforeTax |
| 2959 |
Income tax expense computed at applicable tax rate of 24.2% |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxExpenseIncomeAtApplicableTaxRate |
| 2960 |
Adjustments |
Concept (Monetary) |
For Period |
Debit |
kep:ReconciliationOfAccountingProfitMultipliedByApplicableTaxRatesAdjustmentsTotal |
| 2961 |
Effect of applying gradual tax rate |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxEffectFromChangeInTaxRate |
| 2962 |
Effect of non-taxable income |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:TaxEffectOfRevenuesExemptFromTaxation2011 |
| 2963 |
Effect of non-deductible expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxEffectOfExpenseNotDeductibleInDeterminingTaxableProfitTaxLoss |
| 2964 |
Effects of tax credits and deduction |
Concept (Monetary) |
For Period |
Credit |
kep:EffectsOfTaxCreditsAndDeduction |
| 2965 |
Recognition (reversal) of unrecognized deferred tax asset, net |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:TaxBenefitArisingFromPreviouslyUnrecognisedTaxLossTaxCreditOrTemporaryDifferenceOfPriorPeriodUsedToReduceDeferredTaxExpense |
| 2966 |
Effect of change in deferred tax due to change in tax rate (from 24.2% to 27.5%) |
Concept (Monetary) |
For Period |
Debit |
kep:EffectsOfChangeInDeferredTaxDueToChangeInTaxRate |
| 2967 |
Deferred income tax related to investments in subsidiaries and associates |
Concept (Monetary) |
For Period |
Debit |
us-gaap:SubsidiaryOrEquityMethodInvesteeDeferredIncomeTaxProvisionOnCumulativeGainLossRecognizedAmount |
| 2968 |
Others, net |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:OtherTaxEffectsForReconciliationBetweenAccountingProfitAndTaxExpenseIncome |
| 2969 |
Adjustment in respect of prior years due to change in estimate |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdjustmentsForCurrentTaxOfPriorPeriod |
| 2970 |
Income tax expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncomeTaxExpenseContinuingOperations |
| 2971 |
Effective tax rate |
Concept (Percent) |
For Period |
|
ifrs-full:AverageEffectiveTaxRate |
| 2972 |
24410500 - Disclosure - Deferred tax expenses by origination and reversal of deferred assets and liabilities and temporary differences (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DeferredTaxExpensesByOriginationAndReversalOfDeferredAssetsAndLiabilitiesAndTemporaryDifferencesDetails |
| 2973 |
Deferred tax expenses by origination and reversal of deferred assets and liabilities and temporary differences [Table] |
Table |
* |
* |
kep:ChangesInDeferredTaxLiabilityAssetTable |
| 2974 |
Changes in deferred income tax assets (liabilities) recognized in the statements of financial position [ Axis] |
Axis |
|
|
ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis |
| 2975 |
Temporary Difference and Expired unused tax losses [Domain] |
Member |
|
|
ifrs-full:TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsMember |
| 2976 |
Deferred income tax on temporary differences [Member] |
Member |
|
|
ifrs-full:TemporaryDifferenceMember |
| 2977 |
Employee benefits [Member] |
Member |
|
|
kep:EmployeeBenefitsMember |
| 2978 |
Cash flow hedges [Member] |
Member |
|
|
ifrs-full:CashFlowHedgesMember |
| 2979 |
Investments in associates or subsidiaries [Member] |
Member |
|
|
ifrs-full:InvestmentsAccountedForUsingEquityMethodMember |
| 2980 |
Property, Plant and Equipment [Member] |
Member |
|
|
us-gaap:PropertyPlantAndEquipmentMember |
| 2981 |
Finance lease [Member] |
Member |
|
|
ifrs-full:LeaseReceivablesMember |
| 2982 |
Intangible Assets [Member] |
Member |
|
|
kep:IntangibleAssetsMember |
| 2983 |
Financial assets at fair value through profit or loss [Member] |
Member |
|
|
ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember |
| 2984 |
Available-for-sale financial assets [Member] |
Member |
|
|
ifrs-full:FinancialAssetsAvailableforsaleCategoryMember |
| 2985 |
Deferred revenue [Member] |
Member |
|
|
kep:DeferredRevenueMember |
| 2986 |
Provisions, others [Member] |
Member |
|
|
kep:ProvisionMember |
| 2987 |
Doubtful receivables [Member] |
Member |
|
|
us-gaap:DoubtfulMember |
| 2988 |
Other finance liabilities [Member] |
Member |
|
|
kep:OtherFinancialLiabilitiesMember |
| 2989 |
Gains or losses on foreign exchange translation [Member] |
Member |
|
|
kep:GainsLossesOnForeignExchangeTranslationMember |
| 2990 |
Allowance for Doubtful Accounts [Member] |
Member |
|
|
us-gaap:AllowanceForDoubtfulAccountsMember |
| 2991 |
Accrued income [Member] |
Member |
|
|
us-gaap:AccruedIncomeReceivableMember |
| 2992 |
Special deduction for property, plant and equipment [Member] |
Member |
|
|
kep:SpecialDeductionForPropertyPlantAndEquipmentMember |
| 2993 |
Reserve for research and human development [Member] |
Member |
|
|
kep:ReserveForResearchAndHumanDevelopmentMember |
| 2994 |
Others [Member] |
Member |
|
|
ifrs-full:OtherTemporaryDifferencesMember |
| 2995 |
Deferred income tax on unused tax losses and tax credit [Member] |
Member |
|
|
kep:UnusedTaxLossesAndUnusedTaxCreditsMember |
| 2996 |
Tax losses [Member] |
Member |
|
|
ifrs-full:UnusedTaxLossesMember |
| 2997 |
Tax credit [Member] |
Member |
|
|
ifrs-full:UnusedTaxCreditsMember |
| 2998 |
Deferred tax expenses by origination and reversal of deferred assets and liabilities and temporary differences [Line Items] |
LineItems |
|
|
kep:ChangesInDeferredTaxLiabilityAssetLineitems |
| 2999 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilityAsset |
| 3000 |
Amounts recognized in profit or loss |
Concept (Monetary) |
For Period |
|
ifrs-full:DeferredTaxExpenseIncomeRecognisedInProfitOrLoss |
| 3001 |
Amount recognized in other comprehensive income (loss) |
Concept (Monetary) |
For Period |
|
ifrs-full:IncomeTaxRelatingToComponentsOfOtherComprehensiveIncome |
| 3002 |
Amounts recognized directly in equity |
Concept (Monetary) |
For Period |
|
ifrs-full:DeferredTaxRelatingToItemsChargedOrCreditedDirectlyToEquity |
| 3003 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilityAsset |
| 3004 |
24410600 - Disclosure - Deferred tax assets and liabilities presented on a gross basis prior to any offsetting (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DeferredTaxAssetsAndLiabilitiesPresentedOnAGrossBasisPriorToAnyOffsettingDetails |
| 3005 |
Implied Table |
Table |
* |
* |
implied:Table |
| 3006 |
Disclosure - Deferred tax assets and liabilities presented on a gross basis prior to any offsetting [Abstract] |
Abstract |
|
|
ifrs-full:DeferredTaxAssetsAndLiabilitiesAbstract |
| 3007 |
Deferred income tax assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:DeferredTaxAssets |
| 3008 |
Deferred income tax liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilities |
| 3009 |
Net Deferred income tax assets(liabilities) |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DeferredTaxLiabilityAsset |
| 3010 |
24410700 - Disclosure - Details of deductible temporary differences, tax losses and unused tax credits not recognized in the deferred income tax assets (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DetailsOfDeductibleTemporaryDifferencesTaxLossesAndUnusedTaxCreditsNotRecognizedInTheDeferredIncomeTaxAssetsDetails |
| 3011 |
Implied Table |
Table |
* |
* |
implied:Table |
| 3012 |
Disclosure of temporary difference, unused tax losses and unused tax credits [Abstract] |
Abstract |
|
|
ifrs-full:DisclosureOfTemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAbstract |
| 3013 |
Deductible temporary differences |
Concept (Monetary) |
As Of |
|
ifrs-full:UnusedTaxCreditsForWhichNoDeferredTaxAssetRecognised |
| 3014 |
24420000 - Disclosure - Assets Held-for-Sale (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/AssetsHeldForSaleDetails |
| 3015 |
Implied Table |
Table |
* |
* |
implied:Table |
| 3016 |
Assets Held-for-Sale [Abstract] |
Abstract |
|
|
ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSaleOrAsHeldForDistributionToOwnersAbstract |
| 3017 |
Land |
Concept (Monetary) |
As Of |
Debit |
kep:AssetsHeldForSaleLand |
| 3018 |
Building |
Concept (Monetary) |
As Of |
Debit |
kep:AssetsHeldForSaleBuilding |
| 3019 |
Investments in associates |
Concept (Monetary) |
As Of |
Debit |
kep:AssetsHeldForSaleInvestmentsInAssociates |
| 3020 |
Assets Held-for-Sale |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:NoncurrentAssetsOrDisposalGroupsClassifiedAsHeldForSale |
| 3021 |
24430000 - Disclosure - Expenses by nature (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ExpensesByNatureDetails |
| 3022 |
Expenses by nature [Table] |
Table |
* |
* |
kep:ExpensesByNatureTable |
| 3023 |
Expenses by nature [Axis] |
Axis |
|
|
kep:ExpensesByNatureAxis |
| 3024 |
Expenses by nature [Domain] |
Member |
|
|
kep:ExpensesByNatureMember |
| 3025 |
Selling and administrative expense [Member] |
Member |
|
|
kep:SellingGeneralAndAdministrativeExpenseMember |
| 3026 |
Cost of sales [Member] |
Member |
|
|
us-gaap:CostOfSalesMember |
| 3027 |
Expenses by nature [Line Items] |
LineItems |
|
|
kep:ExpensesByNatureLineitems |
| 3028 |
Raw materials used |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:RawMaterialsAndConsumablesUsed |
| 3029 |
Salaries |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:WagesAndSalaries |
| 3030 |
Employee benefits expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:EmployeeBenefitsExpense |
| 3031 |
Welfare and benefit expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TerminationBenefitsExpense |
| 3032 |
Insurance expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:InsuranceExpense |
| 3033 |
Depreciation |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:DepreciationExpense |
| 3034 |
Amortization of intangible assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AmortisationExpense |
| 3035 |
Bad debt expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ImpairmentLossReversalOfImpairmentLossRecognisedInProfitOrLossTradeReceivables |
| 3036 |
Commission |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:FeeAndCommissionExpense |
| 3037 |
Advertising expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:AdvertisingExpense |
| 3038 |
Training expense |
Concept (Monetary) |
For Period |
Debit |
kep:TrainingExpenses |
| 3039 |
Vehicle maintenance expense |
Concept (Monetary) |
For Period |
Debit |
kep:VehicleMaintenanceExpenses |
| 3040 |
Publishing expense |
Concept (Monetary) |
For Period |
Debit |
kep:PublicationExpenses |
| 3041 |
Business promotion expense |
Concept (Monetary) |
For Period |
Debit |
kep:EngagementExpenses |
| 3042 |
Rental expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:RentalExpense |
| 3043 |
Telecommunication expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CommunicationExpense |
| 3044 |
Transportation expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TransportationExpense |
| 3045 |
Taxes and dues |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TaxExpenseOtherThanIncomeTaxExpense |
| 3046 |
Expendable supplies expense |
Concept (Monetary) |
For Period |
Debit |
us-gaap:SuppliesExpense |
| 3047 |
Water, light and heating expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:UtilitiesExpense |
| 3048 |
Repairs and maintenance expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:RepairsAndMaintenanceExpense |
| 3049 |
Ordinary development expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ResearchAndDevelopmentExpense |
| 3050 |
Travel expense |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TravelExpense |
| 3051 |
Clothing expense |
Concept (Monetary) |
For Period |
Debit |
kep:ClothingExpenses |
| 3052 |
Survey and analysis expense |
Concept (Monetary) |
For Period |
Debit |
kep:ResearchExpense |
| 3053 |
Membership fee |
Concept (Monetary) |
For Period |
Debit |
kep:MembershipExpenses |
| 3054 |
Power purchase |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CostOfPurchasedEnergySold |
| 3055 |
Disclosure - Other selling and administrative expenses [Abstract] |
Abstract |
|
|
kep:OtherSellingGeneralAndAdministrativeExpenseAbstract |
| 3056 |
Accommodation development expenses |
Concept (Monetary) |
For Period |
Debit |
kep:AccommodationDevelopmentExpenses |
| 3057 |
Miscellaneous wages |
Concept (Monetary) |
For Period |
Debit |
kep:MiscellaneousWages |
| 3058 |
Litigation and filing expenses |
Concept (Monetary) |
For Period |
Debit |
kep:LitigationExpenses |
| 3059 |
Compensation for damages |
Concept (Monetary) |
For Period |
Debit |
kep:CompensationExpenses |
| 3060 |
Outsourcing expenses |
Concept (Monetary) |
For Period |
Debit |
kep:OutsourcingExpenses |
| 3061 |
Reward expenses |
Concept (Monetary) |
For Period |
Debit |
kep:PrizeExpense |
| 3062 |
Overseas market development expenses |
Concept (Monetary) |
For Period |
Debit |
kep:OverseasMarketDevelopmentExpenses |
| 3063 |
Others |
Concept (Monetary) |
For Period |
Debit |
kep:MiscellaneousExpenses |
| 3064 |
Others |
Concept (Monetary) |
For Period |
Debit |
us-gaap:OtherGeneralAndAdministrativeExpense |
| 3065 |
General and administrative expenses |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:SellingGeneralAndAdministrativeExpense |
| 3066 |
Cost of sales |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:CostOfSales |
| 3067 |
Total expenses, by nature |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ExpenseByNature |
| 3068 |
24440100 - Disclosure - Basic earnings per share (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/BasicEarningsPerShareDetails |
| 3069 |
Implied Table |
Table |
* |
* |
implied:Table |
| 3070 |
Basic earnings per share [Abstract] |
Abstract |
|
|
ifrs-full:BasicEarningsPerShareAbstract |
| 3071 |
Net profit for the period attributed to owner of the Company |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToOwnersOfParent |
| 3072 |
Profit used in the calculation of total basic earnings per share |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntity |
| 3073 |
Weighted average number of common shares |
Concept (Shares) |
For Period |
|
ifrs-full:WeightedAverageShares |
| 3074 |
Basic earnings per share |
Concept (Share) |
For Period |
|
ifrs-full:BasicEarningsLossPerShare |
| 3075 |
24440200 - Disclosure - Diluted earnings per share (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DilutedEarningsPerShareDetails |
| 3076 |
Implied Table |
Table |
* |
* |
implied:Table |
| 3077 |
Diluted earnings per share [Abstract] |
Abstract |
|
|
ifrs-full:DilutedEarningsPerShareAbstract |
| 3078 |
Profit used in the calculation of total diluted earnings per share |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:ProfitLossAttributableToOrdinaryEquityHoldersOfParentEntityIncludingDilutiveEffects |
| 3079 |
Weighted average number of common shares |
Concept (Shares) |
For Period |
|
ifrs-full:WeightedAverageShares |
| 3080 |
Diluted weighted average number of shares |
Concept (Shares) |
For Period |
|
ifrs-full:AdjustedWeightedAverageShares |
| 3081 |
Diluted earnings per share |
Concept (Share) |
For Period |
|
ifrs-full:DilutedEarningsLossPerShare |
| 3082 |
24450100 - Disclosure - Capital risk management (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/CapitalRiskManagementDetails |
| 3083 |
Implied Table |
Table |
* |
* |
implied:Table |
| 3084 |
Disclosure of Capital risk management [Abstract] |
Abstract |
|
|
kep:DisclosureOfCapitalRiskManagementAbstract |
| 3085 |
Total borrowings and debt securities |
Concept (Monetary) |
As Of |
Credit |
kep:TotalBorrowingsAndDebtSecurities |
| 3086 |
Cash and cash equivalents |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 3087 |
Net borrowings and debt securities |
Concept (Monetary) |
As Of |
Credit |
kep:NetBorrowingsAndDebtSecurities |
| 3088 |
Total shareholder’s equity |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:Equity |
| 3089 |
Debt to equity ratio |
Concept (Percent) |
As Of |
|
kep:DebtToEquityRatio |
| 3090 |
24450201 - Disclosure - Maximum exposure to credit risk (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/MaximumExposureToCreditRiskDetails |
| 3091 |
Disclosure of detailed information about financial instruments [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsTable |
| 3092 |
Classes of financial assets [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
| 3093 |
Financial assets, class [Domain] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
| 3094 |
Cash and Cash Equivalents [Member] |
Member |
|
|
us-gaap:CashAndCashEquivalentsMember |
| 3095 |
Derivative Financial Instruments, Assets [Member] |
Member |
|
|
us-gaap:DerivativeFinancialInstrumentsAssetsMember |
| 3096 |
Not Designated as Hedging Instrument [Member] |
Member |
|
|
us-gaap:NondesignatedMember |
| 3097 |
Designated as Hedging Instrument [Member] |
Member |
|
|
us-gaap:DesignatedAsHedgingInstrumentMember |
| 3098 |
Available-for-sale financial assets [Member] |
Member |
|
|
ifrs-full:FinancialAssetsAvailableforsaleCategoryMember |
| 3099 |
Held-to-maturity investments [Member] |
Member |
|
|
ifrs-full:HeldtomaturityInvestmentsCategoryMember |
| 3100 |
Loans and receivables [Member] |
Member |
|
|
ifrs-full:LoansAndReceivablesCategoryMember |
| 3101 |
Long-term/short-term financial instruments [Member] |
Member |
|
|
kep:ShortTermAndLongTermFinancialInstrumentsMember |
| 3102 |
Financial assets at fair value through profit or loss [Member] |
Member |
|
|
ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember |
| 3103 |
Trade and other receivables [Member] |
Member |
|
|
ifrs-full:TradeReceivablesMember |
| 3104 |
Financial guarantee contracts [Member] |
Member |
|
|
ifrs-full:FinancialGuaranteeContractsMember |
| 3105 |
Disclosure of detailed information about financial instruments [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsLineItems |
| 3106 |
Maximum exposure to credit risk |
Concept (Monetary) |
As Of |
|
ifrs-full:MaximumExposureToCreditRisk |
| 3107 |
24450202 - Disclosure - Sensitivity analysis for actuarial assumptions (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/SensitivityAnalysisForActuarialAssumptionsDetails |
| 3108 |
Disclosure of sensitivity analysis for actuarial assumptions [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsTable |
| 3109 |
Actuarial assumptions [Axis] |
Axis |
|
|
ifrs-full:ActuarialAssumptionsAxis |
| 3110 |
Actuarial assumptions [Domain] |
Member |
|
|
ifrs-full:ActuarialAssumptionsMember |
| 3111 |
Actuarial assumption of expected rates of salary increases [Member] |
Member |
|
|
ifrs-full:ActuarialAssumptionOfExpectedRatesOfSalaryIncreasesMember |
| 3112 |
Actuarial assumption of discount rates [Member] |
Member |
|
|
ifrs-full:ActuarialAssumptionOfDiscountRatesMember |
| 3113 |
Disclosure of sensitivity analysis for actuarial assumptions [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfSensitivityAnalysisForActuarialAssumptionsLineItems |
| 3114 |
1% Increase |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleIncreaseInActuarialAssumption |
| 3115 |
1% Decrease |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:IncreaseDecreaseInDefinedBenefitObligationDueToReasonablyPossibleDecreaseInActuarialAssumption |
| 3116 |
24450231 - Disclosure - Principal assumptions on provisions valuation (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/PrincipalAssumptionsOnProvisionsValuationDetails |
| 3117 |
Disclosure of Principal assumptions on provisions valuation [Table] |
Table |
* |
* |
kep:DisclosureOfPrincipalAssumptionsOnProvisionsValuationTable |
| 3118 |
Classes of other provisions [Axis] |
Axis |
|
|
ifrs-full:ClassesOfProvisionsAxis |
| 3119 |
Other provisions [Domain] |
Member |
|
|
ifrs-full:OtherProvisionsMember |
| 3120 |
PCBs [Member] |
Member |
|
|
kep:PcbsRecoveryProvisionsMember |
| 3121 |
Nuclear plants [Member] |
Member |
|
|
kep:ProvisionsForNuclearPlantsRestorationMember |
| 3122 |
Spent fuel [Member] |
Member |
|
|
kep:SpenFuelRecoveryProvisionsMember |
| 3123 |
Disclosure of Principal assumptions on provisions valuation [Line Items] |
LineItems |
|
|
kep:DisclosureOfPrincipalAssumptionsOnProvisionsValuationLineItems |
| 3124 |
Inflation rate |
Concept (Percent) |
For Period |
|
kep:ProvisionsAssumptionOfInflationRates |
| 3125 |
Discount rate |
Concept (Percent) |
For Period |
|
kep:ProvisionsAssumptionOfDiscountRates |
| 3126 |
24450232 - Disclosure - Sensitivity analysis for provisions assumptions (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/SensitivityAnalysisForProvisionsAssumptionsDetails |
| 3127 |
Disclosure of Sensitivity analysis for provisions assumptions [Table] |
Table |
* |
* |
kep:DisclosureOfSensitivityAnalysisForProvisionsAssumptionsTable |
| 3128 |
Classes of other provisions [Axis] |
Axis |
|
|
ifrs-full:ClassesOfProvisionsAxis |
| 3129 |
Other provisions [Domain] |
Member |
|
|
ifrs-full:OtherProvisionsMember |
| 3130 |
PCBs [Member] |
Member |
|
|
kep:PcbsRecoveryProvisionsMember |
| 3131 |
Nuclear plants [Member] |
Member |
|
|
kep:ProvisionsForNuclearPlantsRestorationMember |
| 3132 |
Spent fuel [Member] |
Member |
|
|
kep:SpenFuelRecoveryProvisionsMember |
| 3133 |
Provisions assumptions [Axis] |
Axis |
|
|
kep:ProvisionsAssumptionsAxis |
| 3134 |
Provisions assumptions [Domain] |
Member |
|
|
kep:ProvisionsAssumptionsMember |
| 3135 |
Discount rate [Member] |
Member |
|
|
kep:ProvisionsAssumptionOfDiscountRatesMember |
| 3136 |
Inflation rate [Member] |
Member |
|
|
kep:ProvisionsAssumptionOfInflationRatesMember |
| 3137 |
Disclosure of Sensitivity analysis for provisions assumptions [Line Items] |
LineItems |
|
|
kep:DisclosureOfSensitivityAnalysisForProvisionsAssumptionsLineItems |
| 3138 |
0.1% Increase |
Concept (Monetary) |
For Period |
Credit |
kep:IncreaseDecreaseInProvisionDueToReasonablyPossibleIncreaseInProvisionAssumption |
| 3139 |
0.1% Decrease |
Concept (Monetary) |
For Period |
Credit |
kep:IncreaseDecreaseInProvisionDueToReasonablyPossibleDecreaseInProvisionAssumption |
| 3140 |
24450241 - Disclosure - Foreign currency risk (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ForeignCurrencyRiskDetails |
| 3141 |
Implied Table |
Table |
* |
* |
implied:Table |
| 3142 |
Disclosure of Foreign currency risk [Abstract] |
Abstract |
|
|
kep:DisclosureOfForeignCurrencyRiskAbstract |
| 3143 |
Assets |
Concept (Monetary) |
As Of |
Debit |
kep:ForeignCurrencyAssets |
| 3144 |
Liabilities |
Concept (Monetary) |
As Of |
Credit |
kep:ForeignCurrencyLiabilities |
| 3145 |
24450242 - Disclosure - Sensitivity analysis for Foreign currency exchange rates (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/SensitivityAnalysisForForeignCurrencyExchangeRatesDetails |
| 3146 |
Disclosure of Sensitivity analysis for Foreign currency exchange rates [Table] |
Table |
* |
* |
kep:DisclosureOfSensitivityAnalysisForForeignCurrencyExchangeRatesTable |
| 3147 |
Effect of Accounts for Sensitivity analysis [Axis] |
Axis |
|
|
kep:EffectOfAccountsForSensitivityAnalysisAxis |
| 3148 |
Effect of Accounts for Sensitivity analysis [Domain] |
Member |
|
|
kep:EffectOfAccountsForSensitivityAnalysisMember |
| 3149 |
Increase (decrease) of income before income tax [Member] |
Member |
|
|
kep:ProfitLossBeforeTaxMember |
| 3150 |
Increase (decrease) of shareholder’s equity [Member] |
Member |
|
|
us-gaap:EquityMember |
| 3151 |
Disclosure of Sensitivity analysis for Foreign currency exchange rates [Line Items] |
LineItems |
|
|
kep:DisclosureOfSensitivityAnalysisForForeignCurrencyExchangeRatesLineItems |
| 3152 |
10% Increase |
Concept (Monetary) |
For Period |
Credit |
kep:IncreaseDecreaseInForeignCurrencyDueToIncreaseInForeignCurrencyExchangeRates |
| 3153 |
10% Decrease |
Concept (Monetary) |
For Period |
Credit |
kep:IncreaseDecreaseInForeignCurrencyDueToDecreaseInForeignCurrencyExchangeRates |
| 3154 |
24450251 - Disclosure - Interest rate risk (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/InterestRateRiskDetails |
| 3155 |
Disclosure of financial instruments by type of interest rate [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfFinancialInstrumentsByTypeOfInterestRateTable |
| 3156 |
Types of interest rates [Axis] |
Axis |
|
|
ifrs-full:TypesOfInterestRatesAxis |
| 3157 |
Interest rate types [Domain] |
Member |
|
|
ifrs-full:InterestRateTypesMember |
| 3158 |
Floating interest rate [Member] |
Member |
|
|
ifrs-full:FloatingInterestRateMember |
| 3159 |
Fixed interest rate [Member] |
Member |
|
|
ifrs-full:FixedInterestRateMember |
| 3160 |
Disclosure of financial instruments by type of interest rate [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFinancialInstrumentsByTypeOfInterestRateLineItems |
| 3161 |
Short-term borrowings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:CurrentBorrowingsAndCurrentPortionOfNoncurrentBorrowings |
| 3162 |
Long-term borrowings |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:LongtermBorrowings |
| 3163 |
Debt securities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DebtSecurities |
| 3164 |
Total |
Concept (Monetary) |
As Of |
Credit |
kep:BorrowingsAndDebtSecurities |
| 3165 |
24450252 - Disclosure - Sensitivity analysis for Interest rates (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/SensitivityAnalysisForInterestRatesDetails |
| 3166 |
Disclosure of Sensitivity analysis for Interest rates [Table] |
Table |
* |
* |
kep:DisclosureOfSensitivityAnalysisForInterestRatesTable |
| 3167 |
Effect of Accounts for Sensitivity analysis [Axis] |
Axis |
|
|
kep:EffectOfAccountsForSensitivityAnalysisAxis |
| 3168 |
Effect of Accounts for Sensitivity analysis [Domain] |
Member |
|
|
kep:EffectOfAccountsForSensitivityAnalysisMember |
| 3169 |
Increase (decrease) of income before income tax [Member] |
Member |
|
|
kep:ProfitLossBeforeTaxMember |
| 3170 |
Increase (decrease) of shareholder’s equity [Member] |
Member |
|
|
us-gaap:EquityMember |
| 3171 |
Disclosure of Sensitivity analysis for Interest rates [Line Items] |
LineItems |
|
|
kep:DisclosureOfSensitivityAnalysisForInterestRatesLineItems |
| 3172 |
1% Increase |
Concept (Monetary) |
For Period |
Credit |
kep:IncreaseDecreaseInFinancialInstrumentsDueToIncreaseInInterestRates |
| 3173 |
1% Decrease |
Concept (Monetary) |
For Period |
Credit |
kep:IncreaseDecreaseInFinancialInstrumentsDueToIncreaseInDecreaseRates |
| 3174 |
24450253 - Disclosure - Sensitivity analysis for electricity rates (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/SensitivityAnalysisForElectricityRatesDetails |
| 3175 |
Disclosure of Sensitivity analysis for electricity rates [Table] |
Table |
* |
* |
kep:DisclosureOfSensitivityAnalysisForElectricityRatesTable |
| 3176 |
Effect of Accounts for Sensitivity analysis [Axis] |
Axis |
|
|
kep:EffectOfAccountsForSensitivityAnalysisAxis |
| 3177 |
Effect of Accounts for Sensitivity analysis [Domain] |
Member |
|
|
kep:EffectOfAccountsForSensitivityAnalysisMember |
| 3178 |
Increase (decrease) of income before income tax [Member] |
Member |
|
|
kep:ProfitLossBeforeTaxMember |
| 3179 |
Increase (decrease) of shareholder’s equity [Member] |
Member |
|
|
us-gaap:EquityMember |
| 3180 |
Disclosure of Sensitivity analysis for electricity rates [Line Items] |
LineItems |
|
|
kep:DisclosureOfSensitivityAnalysisForElectricityRatesLineItems |
| 3181 |
1% Increase |
Concept (Monetary) |
For Period |
Credit |
kep:IncreaseDecreaseInElectricityRatesDueToIncreaseRegulationOfTheGovernment |
| 3182 |
1% Decrease |
Concept (Monetary) |
For Period |
Credit |
kep:IncreaseDecreaseInElectricityRatesDueToDecreaseRegulationOfTheGovernment |
| 3183 |
24450261 - Disclosure - Maturity analysis for non-derivative financial liabilities (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/MaturityAnalysisForNonderivativeFinancialLiabilitiesDetails |
| 3184 |
Disclosure of maturity analysis for non-derivative financial liabilities [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesTable |
| 3185 |
Maturity [Axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 3186 |
Aggregated time bands [Domain] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 3187 |
Less than 1 year [Member] |
Member |
|
|
ifrs-full:NotLaterThanOneYearMember |
| 3188 |
1~2 Years [Member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember |
| 3189 |
2~5 Years [Member] |
Member |
|
|
ifrs-full:LaterThanTwoYearsAndNotLaterThanFiveYearsMember |
| 3190 |
More than 5 years [Member] |
Member |
|
|
ifrs-full:LaterThanFiveYearsMember |
| 3191 |
Disclosure of maturity analysis for non-derivative financial liabilities [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfMaturityAnalysisForNonderivativeFinancialLiabilitiesLineItems |
| 3192 |
Borrowings and debt securities |
Concept (Monetary) |
As Of |
Credit |
kep:BankBorrowingsAndBondsIssuedUndiscountedCashFlows |
| 3193 |
Finance lease liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:GrossFinanceLeaseObligations |
| 3194 |
Trade and other payables |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:TradeAndOtherPayablesUndiscountedCashFlows |
| 3195 |
Financial guarantee contracts |
Concept (Monetary) |
As Of |
Credit |
us-gaap:GuaranteeObligationsMaximumExposure |
| 3196 |
Non-derivative financial liabilities, undiscounted cash flows |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:NonderivativeFinancialLiabilitiesUndiscountedCashFlows |
| 3197 |
24450262 - Disclosure - Maturity analysis for non-derivative financial assets (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/MaturityAnalysisForNonderivativeFinancialAssetsDetails |
| 3198 |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfMaturityAnalysisForFinancialAssetsHeldForManagingLiquidityRiskTable |
| 3199 |
Maturity [Axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 3200 |
Aggregated time bands [Domain] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 3201 |
Less than 1 year [Member] |
Member |
|
|
ifrs-full:NotLaterThanOneYearMember |
| 3202 |
1~5 Years [Member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanFiveYearsMember |
| 3203 |
More than 5 years [Member] |
Member |
|
|
ifrs-full:LaterThanFiveYearsMember |
| 3204 |
Other [Member] |
Member |
|
|
kep:CannotBePresentlyDeterminedMaturityMember |
| 3205 |
Disclosure of maturity analysis for financial assets held for managing liquidity risk [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfMaturityAnalysisForFinancialAssetsHeldForManagingLiquidityRiskLineItems |
| 3206 |
Cash and cash equivalents |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:CashAndCashEquivalents |
| 3207 |
Available-for-sale financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssetsAvailableforsale |
| 3208 |
Held-to-maturity investments |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:HeldtomaturityInvestments |
| 3209 |
Loans and receivables |
Concept (Monetary) |
As Of |
Debit |
kep:LoansAndReceivablesBeforePresentValueDiscount |
| 3210 |
Long-term/short-term financial instruments |
Concept (Monetary) |
As Of |
Debit |
kep:ShortTermAndLongTermFinancialInstruments |
| 3211 |
Financial assets at fair value through profit or loss |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss |
| 3212 |
Trade and other receivables |
Concept (Monetary) |
As Of |
Debit |
kep:TradeAndOtherReceivablesLessAllowanceForDoubtfulAccounts |
| 3213 |
Financial assets held for managing liquidity risk |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssetsHeldForManagingLiquidityRisk |
| 3214 |
24450263 - Disclosure - Maturity analysis for derivative financial liabilities (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/MaturityAnalysisForDerivativeFinancialLiabilitiesDetails |
| 3215 |
Disclosure of maturity analysis for derivative financial liabilities [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesTable |
| 3216 |
Maturity [Axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 3217 |
Aggregated time bands [Domain] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 3218 |
Less than 1 year [Member] |
Member |
|
|
ifrs-full:NotLaterThanOneYearMember |
| 3219 |
1~2 Years [Member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember |
| 3220 |
2~5 Years [Member] |
Member |
|
|
ifrs-full:LaterThanTwoYearsAndNotLaterThanFiveYearsMember |
| 3221 |
More than 5 years [Member] |
Member |
|
|
ifrs-full:LaterThanFiveYearsMember |
| 3222 |
Settlement Type [Axis] |
Axis |
|
|
kep:SettlementTypeAxis |
| 3223 |
Settlement Type [Domain] |
Member |
|
|
kep:SettlementTypeMember |
| 3224 |
Net settlement [Member] |
Member |
|
|
kep:NetSettlementMember |
| 3225 |
Gross settlement [Member] |
Member |
|
|
kep:GrossSettlementMember |
| 3226 |
Hedging Designation [Axis] |
Axis |
|
|
us-gaap:HedgingDesignationAxis |
| 3227 |
Hedging Designation [Domain] |
Member |
|
|
us-gaap:HedgingDesignationDomain |
| 3228 |
Not Designated as Hedging Instrument [Member] |
Member |
|
|
us-gaap:NondesignatedMember |
| 3229 |
Designated as Hedging Instrument [Member] |
Member |
|
|
us-gaap:DesignatedAsHedgingInstrumentMember |
| 3230 |
Disclosure of maturity analysis for derivative financial liabilities [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfMaturityAnalysisForDerivativeFinancialLiabilitiesLineItems |
| 3231 |
Derivative financial liabilities, undiscounted cash flows |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DerivativeFinancialLiabilitiesUndiscountedCashFlows |
| 3232 |
24450301 - Disclosure - Fair value measurement of instruments (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/FairValueMeasurementOfInstrumentsDetails |
| 3233 |
Disclosure of fair value measurement of instruments [Table] |
Table |
* |
* |
kep:DisclosureOfFairValueMeasurementOfInstrumentsTable |
| 3234 |
Categories of financial instruments [Axis] |
Axis |
|
|
kep:CategoriesOfFinancialInstrumentsAxis |
| 3235 |
Categories of financial instruments [Domain] |
Member |
|
|
kep:CategoriesOfFinancialInstrumentsMember |
| 3236 |
Financial assets, category [Member] |
Member |
|
|
ifrs-full:FinancialAssetsCategoryMember |
| 3237 |
Available-for-sale financial assets [Member] |
Member |
|
|
ifrs-full:FinancialAssetsAvailableforsaleCategoryMember |
| 3238 |
Derivative Financial Instruments, Assets [Member] |
Member |
|
|
us-gaap:DerivativeFinancialInstrumentsAssetsMember |
| 3239 |
Long-term financial instruments [Member] |
Member |
|
|
kep:LongTermFinancialInstrumentsMember |
| 3240 |
Short-term financial instruments [Member] |
Member |
|
|
kep:ShortTermFinancialInstrumentsMember |
| 3241 |
Financial assets at fair value through profit or loss [Member] |
Member |
|
|
ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLossCategoryMember |
| 3242 |
Held-to-maturity investments [Member] |
Member |
|
|
ifrs-full:HeldtomaturityInvestmentsCategoryMember |
| 3243 |
Loans and receivables [Member] |
Member |
|
|
ifrs-full:LoansAndReceivablesCategoryMember |
| 3244 |
Trade receivables [Member] |
Member |
|
|
ifrs-full:TradeReceivablesMember |
| 3245 |
Cash and Cash Equivalents [Member] |
Member |
|
|
us-gaap:CashAndCashEquivalentsMember |
| 3246 |
Liabilities [Member] |
Member |
|
|
ifrs-full:LiabilitiesMember |
| 3247 |
Derivative Financial Instruments, Liabilities [Member] |
Member |
|
|
us-gaap:DerivativeFinancialInstrumentsLiabilitiesMember |
| 3248 |
Secured borrowings [Member] |
Member |
|
|
kep:SecuredBorrowingsMember |
| 3249 |
Unsecured bond [Member] |
Member |
|
|
kep:UnsecuredBondMember |
| 3250 |
Finance lease liabilities [Member] |
Member |
|
|
kep:FinanceLeaseLiabilitiesMember |
| 3251 |
Unsecured borrowings [Member] |
Member |
|
|
kep:UnsecuredBorrowingsMember |
| 3252 |
Trade and other payables [Member] |
Member |
|
|
kep:TradeAndOtherPayablesMember |
| 3253 |
Bank overdraft [Member] |
Member |
|
|
kep:BankOverdraftMember |
| 3254 |
Hedging Designation [Axis] |
Axis |
|
|
us-gaap:HedgingDesignationAxis |
| 3255 |
Hedging Designation [Domain] |
Member |
|
|
us-gaap:HedgingDesignationDomain |
| 3256 |
Not Designated as Hedging Instrument [Member] |
Member |
|
|
us-gaap:NondesignatedMember |
| 3257 |
Designated as Hedging Instrument [Member] |
Member |
|
|
us-gaap:DesignatedAsHedgingInstrumentMember |
| 3258 |
Measurement [Axis] |
Axis |
|
|
ifrs-full:MeasurementAxis |
| 3259 |
Aggregated measurement [Domain] |
Member |
|
|
ifrs-full:AggregatedMeasurementMember |
| 3260 |
Assets recognized at fair value [Member] |
Member |
|
|
ifrs-full:AtFairValueMember |
| 3261 |
Assets carried at amortized cost [Member] |
Member |
|
|
ifrs-full:NotMeasuredAtFairValueInStatementOfFinancialPositionButForWhichFairValueIsDisclosedMember |
| 3262 |
Disclosure of fair value measurement of instruments [Line Items] |
LineItems |
|
|
kep:DisclosureOfFairValueMeasurementOfInstrumentsLineItems |
| 3263 |
Book value |
Concept (Monetary) |
As Of |
|
kep:FinancialInstrumentsCarryingValue |
| 3264 |
Fair value |
Concept (Monetary) |
As Of |
|
kep:FinancialInstrumentsFairValue |
| 3265 |
24450321 - Disclosure - Significant unobservable inputs used in fair value measurement of liabilities (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/SignificantUnobservableInputsUsedInFairValuemeasurementOfLiabilitiesDetails |
| 3266 |
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesTable |
| 3267 |
Classes of financial liabilities [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialLiabilitiesAxis |
| 3268 |
Financial liabilities, class [Domain] |
Member |
|
|
ifrs-full:FinancialLiabilitiesMember |
| 3269 |
Derivatives [Member] |
Member |
|
|
ifrs-full:DerivativesMember |
| 3270 |
Borrowings and debt securities [Member] |
Member |
|
|
kep:BorrowingsAndDebtSecuritiesMember |
| 3271 |
Finance lease [Member] |
Member |
|
|
kep:FinanceLeaseMember |
| 3272 |
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesLineItems |
| 3273 |
Interest rate, significant unobservable inputs, liabilities |
Concept (Text/String) |
For Period |
|
kep:InterestRateUsedForFairValueSignificantUnobservableInputsLiabilities |
| 3274 |
24450322 - Disclosure - Fair value measurement of assets (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/FairValueMeasurementOfAssetsDetails |
| 3275 |
Disclosure of fair value measurement of assets [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfFairValueMeasurementOfAssetsTable |
| 3276 |
Measurement [Axis] |
Axis |
|
|
ifrs-full:MeasurementAxis |
| 3277 |
Aggregated measurement [Domain] |
Member |
|
|
ifrs-full:AggregatedMeasurementMember |
| 3278 |
At fair value [Member] |
Member |
|
|
ifrs-full:AtFairValueMember |
| 3279 |
Levels of fair value hierarchy [Axis] |
Axis |
|
|
ifrs-full:LevelsOfFairValueHierarchyAxis |
| 3280 |
All levels of fair value hierarchy [Domain] |
Member |
|
|
ifrs-full:AllLevelsOfFairValueHierarchyMember |
| 3281 |
Level 1 [Member] |
Member |
|
|
ifrs-full:Level1OfFairValueHierarchyMember |
| 3282 |
Level 2 [Member] |
Member |
|
|
ifrs-full:Level2OfFairValueHierarchyMember |
| 3283 |
Level 3 [Member] |
Member |
|
|
ifrs-full:Level3OfFairValueHierarchyMember |
| 3284 |
Disclosure of fair value measurement of assets [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFairValueMeasurementOfAssetsLineItems |
| 3285 |
Available-for-sale financial assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssetsAvailableforsale |
| 3286 |
Derivative assets |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:DerivativeFinancialAssets |
| 3287 |
Financial assets at fair value through profit or loss |
Concept (Monetary) |
As Of |
Debit |
ifrs-full:FinancialAssetsAtFairValueThroughProfitOrLoss |
| 3288 |
Total |
Concept (Monetary) |
As Of |
Debit |
kep:FairValueMeasurementOfAssets |
| 3289 |
24450323 - Disclosure - Fair value measurement of liabilities (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/FairValueMeasurementOfLiabilitiesDetails |
| 3290 |
Disclosure of fair value measurement of liabilities [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfFairValueMeasurementOfLiabilitiesTable |
| 3291 |
Measurement [Axis] |
Axis |
|
|
ifrs-full:MeasurementAxis |
| 3292 |
Aggregated measurement [Domain] |
Member |
|
|
ifrs-full:AggregatedMeasurementMember |
| 3293 |
At fair value [Member] |
Member |
|
|
ifrs-full:AtFairValueMember |
| 3294 |
Levels of fair value hierarchy [Axis] |
Axis |
|
|
ifrs-full:LevelsOfFairValueHierarchyAxis |
| 3295 |
All levels of fair value hierarchy [Domain] |
Member |
|
|
ifrs-full:AllLevelsOfFairValueHierarchyMember |
| 3296 |
Level 1 [Member] |
Member |
|
|
ifrs-full:Level1OfFairValueHierarchyMember |
| 3297 |
Level 2 [Member] |
Member |
|
|
ifrs-full:Level2OfFairValueHierarchyMember |
| 3298 |
Level 3 [Member] |
Member |
|
|
ifrs-full:Level3OfFairValueHierarchyMember |
| 3299 |
Disclosure of fair value measurement of liabilities [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfFairValueMeasurementOfLiabilitiesLineItems |
| 3300 |
Derivative liabilities |
Concept (Monetary) |
As Of |
Credit |
ifrs-full:DerivativeFinancialLiabilities |
| 3301 |
24450324 - Disclosure - Reconciliation of changes in fair value measurement, assets (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ReconciliationOfChangesInFairValueMeasurementAssetsDetails |
| 3302 |
Reconciliation of changes in fair value measurement, assets [Table] |
Table |
* |
* |
kep:ReconciliationOfChangesInFairValueMeasurementAssetsTable |
| 3303 |
Measurement [Axis] |
Axis |
|
|
ifrs-full:MeasurementAxis |
| 3304 |
Aggregated measurement [Domain] |
Member |
|
|
ifrs-full:AggregatedMeasurementMember |
| 3305 |
At fair value [Member] |
Member |
|
|
ifrs-full:AtFairValueMember |
| 3306 |
Levels of fair value hierarchy [Axis] |
Axis |
|
|
ifrs-full:LevelsOfFairValueHierarchyAxis |
| 3307 |
All levels of fair value hierarchy [Domain] |
Member |
|
|
ifrs-full:AllLevelsOfFairValueHierarchyMember |
| 3308 |
Level 3 [Member] |
Member |
|
|
ifrs-full:Level3OfFairValueHierarchyMember |
| 3309 |
Reconciliation of changes in fair value measurement, assets [Line Items] |
LineItems |
|
|
kep:ReconciliationOfChangesInFairValueMeasurementAssetsLineItems |
| 3310 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
kep:FinancialAssetsAvailableforsaleUnlistedSecurities |
| 3311 |
Changes in fair value measurement, assets [Abstract] |
Abstract |
|
|
ifrs-full:ChangesInFairValueMeasurementAssetsAbstract |
| 3312 |
Acquisition |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:PurchasesFairValueMeasurementAssets |
| 3313 |
Reclassified category |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:TransfersIntoLevel3OfFairValueHierarchyAssets |
| 3314 |
Valuation |
Concept (Monetary) |
For Period |
|
ifrs-full:GainsLossesRecognisedInOtherComprehensiveIncomeFairValueMeasurementAssets |
| 3315 |
Disposal |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:SalesFairValueMeasurementAssets |
| 3316 |
Foreign currency translation |
Concept (Monetary) |
For Period |
Debit |
kep:ForeignCurrencyTranslation |
| 3317 |
Ending balance |
Concept (Monetary) |
As Of |
Debit |
kep:FinancialAssetsAvailableforsaleUnlistedSecurities |
| 3318 |
24460000 - Disclosure - Service Concession Arrangements (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ServiceConcessionArrangementsDetails |
| 3319 |
Disclosure of detailed information about service concession arrangements [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfServiceConcessionArrangementsTable |
| 3320 |
Maturity [Axis] |
Axis |
|
|
ifrs-full:MaturityAxis |
| 3321 |
Aggregated time bands [Domain] |
Member |
|
|
ifrs-full:AggregatedTimeBandsMember |
| 3322 |
Less than 1 year [Member] |
Member |
|
|
ifrs-full:NotLaterThanOneYearMember |
| 3323 |
1~2 Years [Member] |
Member |
|
|
ifrs-full:LaterThanOneYearAndNotLaterThanTwoYearsMember |
| 3324 |
2~3 Years [Member] |
Member |
|
|
ifrs-full:LaterThanTwoYearsAndNotLaterThanThreeYearsMember |
| 3325 |
Over 3 years [Member] |
Member |
|
|
ifrs-full:LaterThanThreeYearsMember |
| 3326 |
Disclosure of detailed information about service concession arrangements [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfServiceConcessionArrangementsLineItems |
| 3327 |
Gas Complex · Thermal Power Plant at Ilijan, Philippines (BOT) |
Concept (Monetary) |
For Period |
Debit |
kep:GasComplexThermalPowerPlantAtIlijanPhilippinesBOT |
| 3328 |
Hydroelectric Power Generation at Semangka, Indonesia (BOT) |
Concept (Monetary) |
For Period |
Debit |
kep:HydroelectricPowerGenerationAtSemangkaIndonesiaBOT |
| 3329 |
24470300 - Disclosure - Transactions between related parties (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/TransactionsBetweenRelatedPartiesDetails |
| 3330 |
Disclosure of transactions between related parties [Table] |
Table |
* |
* |
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesTable |
| 3331 |
Categories of related parties [Axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 3332 |
Entity's total for related parties [Domain] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 3333 |
Related parties [Member] |
Member |
|
|
ifrs-full:RelatedPartiesMember |
| 3334 |
Associates [Member] |
Member |
|
|
ifrs-full:AssociatesMember |
| 3335 |
Daegu Green Power Co., Ltd. [Member] |
Member |
|
|
kep:DaeguGreenPowerAssociatesMember |
| 3336 |
Dongducheon Dream Power Co., Ltd. [Member] |
Member |
|
|
kep:DongducheonDreamPowerMember |
| 3337 |
Korea Gas Corporation [Member] |
Member |
|
|
kep:KoreaGasCorporationMember |
| 3338 |
Daegu Photovoltaic Co., Ltd. [Member] |
Member |
|
|
kep:DaeguPhotovoltaicMember |
| 3339 |
Jeongam Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:JeongamWindPowerMember |
| 3340 |
Korea Power Engineering Service Co., Ltd. [Member] |
Member |
|
|
kep:KoreaPowerEngineeringServiceMember |
| 3341 |
KS Solar Co., Ltd. [Member] |
Member |
|
|
kep:KSSolarMember |
| 3342 |
Heang Bok Do Si Photovoltaic Power Co., Ltd. [Member] |
Member |
|
|
kep:HeangBokDoSiPhotovoltaicPowerMember |
| 3343 |
Korea Electric Power Industrial Development Co., Ltd. [Member] |
Member |
|
|
kep:KoreaElectricPowerIndustrialDevelopmentMember |
| 3344 |
Goseong Green Energy Co., Ltd. [Member] |
Member |
|
|
kep:GoseongGreenEnergyMember |
| 3345 |
Gangneung Eco Power Co., Ltd. [Member] |
Member |
|
|
kep:GangneungEcoPowerMember |
| 3346 |
Shin Pyeongtaek Power Co., Ltd. [Member] |
Member |
|
|
kep:ShinPyeongtaekPowerMember |
| 3347 |
Naepo Green Energy Co., Ltd. [Member] |
Member |
|
|
kep:NaepoGreenEnergyMember |
| 3348 |
Noeul Green Energy Co., Ltd. [Member] |
Member |
|
|
kep:NoeulGreenEnergyMember |
| 3349 |
Samcheok Eco Materials Co., Ltd. [Member] |
Member |
|
|
kep:SamcheokEcoMaterialsMember |
| 3350 |
YTN Co., Ltd. [Member] |
Member |
|
|
kep:YTNMember |
| 3351 |
Busan Green Energy Co., Ltd. [Member] |
Member |
|
|
kep:BusanGreenEnergyMember |
| 3352 |
Gunsan Bio Energy Co., Ltd. [Member] |
Member |
|
|
kep:GunsanBioEnergyMember |
| 3353 |
Korea Electric Vehicle Charge Service [Member] |
Member |
|
|
kep:KoreaElectricVehicleChargeServiceMember |
| 3354 |
Ulleungdo Natural Energy Co., Ltd. [Member] |
Member |
|
|
kep:UlleungdoNaturalEnergyMember |
| 3355 |
Tamra Offshore Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:TamraOffshoreWindPowerMember |
| 3356 |
Daegu clean Energy Co., Ltd. [Member] |
Member |
|
|
kep:DaegucleanEnergyMember |
| 3357 |
Cheongna Energy Co., Ltd. [Member] |
Member |
|
|
kep:CheongnaEnergyMember |
| 3358 |
Gangwon Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:GangwonWindPowerMember |
| 3359 |
Hyundai Green Power Co., Ltd. [Member] |
Member |
|
|
kep:HyundaiGreenPowerMember |
| 3360 |
Korea Power Exchange [Member] |
Member |
|
|
kep:KoreaPowerExchangeMember |
| 3361 |
Hyundai Energy [Member] |
Member |
|
|
kep:HyundaiEnergyMember |
| 3362 |
Taebaek Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:TaebaekWindPowerMember |
| 3363 |
Pyeongchang Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:PyeongchangWindPowerMember |
| 3364 |
Daeryun Power Co., Ltd. [Member] |
Member |
|
|
kep:DaeryunPowerMember |
| 3365 |
Changjuk Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:ChangjukWindPowerMember |
| 3366 |
KNH Solar Co., Ltd. [Member] |
Member |
|
|
kep:KNHSolarMember |
| 3367 |
S-Power Co., Ltd. [Member] |
Member |
|
|
kep:SPowerMember |
| 3368 |
Busan Solar [Member] |
Member |
|
|
kep:BusanSolarMember |
| 3369 |
Green Biomass Co., Ltd. [Member] |
Member |
|
|
kep:GreenBiomassMember |
| 3370 |
SPC Power Corporation [Member] |
Member |
|
|
kep:SPCPowerCorporationMember |
| 3371 |
Gemeng International Energy Co., Ltd. [Member] |
Member |
|
|
kep:GemengInternationalEnergyMember |
| 3372 |
PT. Cirebon Electric Power [Member] |
Member |
|
|
kep:PTCirebonElectricPowerMember |
| 3373 |
Dolphin Property Limited [Member] |
Member |
|
|
kep:DolphinPropertyMember |
| 3374 |
PT. Bayan Resources TBK [Member] |
Member |
|
|
kep:PTBayanResourcesTBKMember |
| 3375 |
Nepal Water & Energy Development Company Private Limited [Member] |
Member |
|
|
kep:NepalWaterEnergyDevelopmentMember |
| 3376 |
Pioneer Gas Power Limited [Member] |
Member |
|
|
kep:PioneerGasPowerMember |
| 3377 |
Xe-Pian Xe-Namnoy Power [Member] |
Member |
|
|
kep:XePianXeNamnoyPowerMember |
| 3378 |
PT. Mutiara Jawa [Member] |
Member |
|
|
kep:PTMutiaraJawaMember |
| 3379 |
Ecollite Co., Ltd. [Member] |
Member |
|
|
kep:EcolliteMember |
| 3380 |
Joint ventures where entity is venturer [Member] |
Member |
|
|
ifrs-full:JointVenturesWhereEntityIsVenturerMember |
| 3381 |
Daegu Green Power [Member] |
Member |
|
|
kep:DaeguGreenPowerJointVenturesMember |
| 3382 |
KEPCO SPC Power Corporation [Member] |
Member |
|
|
kep:KEPCOSPCPowerCorporationMember |
| 3383 |
Daejung Offshore Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:DaejungOffshoreWindPowerMember |
| 3384 |
KAPES, Inc. (formerly, KEPCO-ALSTOM Power Electronics Systems, Inc.) [Member] |
Member |
|
|
kep:KAPESMember |
| 3385 |
Dangjin Eco Power Co., Ltd. [Member] |
Member |
|
|
kep:DangjinEcoPowerMember |
| 3386 |
Honam Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:HonamWindPowerMember |
| 3387 |
Seokmun Energy Co., Ltd. [Member] |
Member |
|
|
kep:SeokmunEnergyMember |
| 3388 |
Incheon New Power Co., Ltd. [Member] |
Member |
|
|
kep:IncheonNewPowerMember |
| 3389 |
KW Nuclear Components Co., Ltd. [Member] |
Member |
|
|
kep:KWNuclearComponentsMember |
| 3390 |
Chun-cheon Energy Co., Ltd. [Member] |
Member |
|
|
kep:ChuncheonEnergyMember |
| 3391 |
Yeonggwangbaeksu Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:YeonggwangbaeksuWindPowerMember |
| 3392 |
KEPCO-Uhde Inc. [Member] |
Member |
|
|
kep:KEPCOUhdeMember |
| 3393 |
GS Donghae Electric Power Co., Ltd. [Member] |
Member |
|
|
kep:GSDonghaeElectricPowerMember |
| 3394 |
Busan Shinho Solar Power Co., Ltd. [Member] |
Member |
|
|
kep:BusanShinhoSolarPowerMember |
| 3395 |
Global Trade Of Power System Co., Ltd. [Member] |
Member |
|
|
kep:GlobalTradeOfPowerSystemMember |
| 3396 |
Datang Chifeng Renewable Power [Member] |
Member |
|
|
kep:DatangChifengRenewablePowerMember |
| 3397 |
Rabigh Electricity Company [Member] |
Member |
|
|
kep:RabighElectricityMember |
| 3398 |
Rabigh Operation & Maintenance Company [Member] |
Member |
|
|
kep:RabighOperationMaintenanceMember |
| 3399 |
Datang Chaoyang Renewable Power Co., Ltd. [Member] |
Member |
|
|
kep:DatangChaoyangRenewablePowerMember |
| 3400 |
Shuweihat Asia Power Investment B.V. [Member] |
Member |
|
|
kep:ShuweihatAsiaPowerInvestmentBVMember |
| 3401 |
Shuweihat Asia Operation & Maintenance Company [Member] |
Member |
|
|
kep:ShuweihatAsiaOperationMaintenanceMember |
| 3402 |
ASM-BG Investicii AD [Member] |
Member |
|
|
kep:ASMBGInvesticiiADMember |
| 3403 |
Expressway Solar-light Power [Member] |
Member |
|
|
kep:ExpresswaySolarlightPowerMember |
| 3404 |
Jamaica Public Service Company Limited [Member] |
Member |
|
|
kep:JamaicaPublicServiceMember |
| 3405 |
KV Holdings, Inc. [Member] |
Member |
|
|
kep:KVHoldingsMember |
| 3406 |
Datang KEPCO Chaoyang Renewable Power Co., Ltd. [Member] |
Member |
|
|
kep:DatangKEPCOChaoyangRenewablePowerMember |
| 3407 |
Amman Asia Electric Power Company [Member] |
Member |
|
|
kep:AmmanAsiaElectricPowerMember |
| 3408 |
Kelar S.A [Member] |
Member |
|
|
kep:KelarSAMember |
| 3409 |
Nghi Son 2 Power Ltd. [Member] |
Member |
|
|
kep:NghiSon2PowerMember |
| 3410 |
Barakah One Company [Member] |
Member |
|
|
kep:BarakahOneMember |
| 3411 |
Nawah Energy Company [Member] |
Member |
|
|
kep:NawahEnergyMember |
| 3412 |
Other related parties [Member] |
Member |
|
|
ifrs-full:OtherRelatedPartiesMember |
| 3413 |
Yeongwol Energy Station Co., Ltd. [Member] |
Member |
|
|
kep:YeongwolEnergyStationMember |
| 3414 |
DS POWER Co., Ltd. [Member] |
Member |
|
|
kep:DSPOWERMember |
| 3415 |
Korea Development Bank [Member] |
Member |
|
|
kep:KoreaDevelopmentBankMember |
| 3416 |
Disclosure of transactions between related parties [Line Items] |
LineItems |
|
|
ifrs-full:DisclosureOfTransactionsBetweenRelatedPartiesLineItems |
| 3417 |
Electricity sales |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromSaleOfGoodsRelatedPartyTransactions |
| 3418 |
Service sales |
Concept (Monetary) |
For Period |
Credit |
ifrs-full:RevenueFromRenderingOfServicesRelatedPartyTransactions |
| 3419 |
Design service |
Concept (Monetary) |
For Period |
Credit |
kep:RevenueFromSaleOfGoodsAndDesignServiceFeeRelatedPartyTransactions |
| 3420 |
Dividend income |
Concept (Monetary) |
For Period |
Credit |
kep:DividendIncomeFromRelatedPartyTransactions |
| 3421 |
Dividend paid |
Concept (Monetary) |
For Period |
Debit |
kep:DividendPaidFromRelatedPartyTransactions |
| 3422 |
Commission |
Concept (Monetary) |
For Period |
Credit |
kep:RevenueFromCommissionRelatedPartyTransactions |
| 3423 |
Technical fee |
Concept (Monetary) |
For Period |
Credit |
kep:RevenueFromTechnicalFeeRelatedPartyTransactions |
| 3424 |
Construction revenue |
Concept (Monetary) |
For Period |
Credit |
kep:RevenueFromConstructionCommitmentsRelatedPartyTransactions |
| 3425 |
Interest income |
Concept (Monetary) |
For Period |
Credit |
kep:InterestIncomeFromRelatedPartyTransactions |
| 3426 |
Interest expense |
Concept (Monetary) |
For Period |
Debit |
kep:InterestExpenseFromRelatedPartyTransactions |
| 3427 |
Electricity purchase |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:PurchasesOfGoodsRelatedPartyTransactions |
| 3428 |
Purchase of power generation fuel |
Concept (Monetary) |
For Period |
Debit |
kep:PurchasesOfPowerGenerationFuelRelatedPartyTransactions |
| 3429 |
REC purchase |
Concept (Monetary) |
For Period |
Debit |
kep:PurchasesOfRECRelatedPartyTransactions |
| 3430 |
Service purchase |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:ServicesReceivedRelatedPartyTransactions |
| 3431 |
Rental fee and others |
Concept (Monetary) |
For Period |
Debit |
kep:RentalReceivedRelatedPartyTransactions |
| 3432 |
Electricity metering service fee |
Concept (Monetary) |
For Period |
Debit |
kep:ElectricityMeteringServiceReceivedRelatedPartyTransactions |
| 3433 |
Advertisement fee |
Concept (Monetary) |
For Period |
Debit |
kep:AdvertisementReceivedRelatedPartyTransactions |
| 3434 |
Trading Fees |
Concept (Monetary) |
For Period |
Debit |
kep:TradingReceivedRelatedPartyTransactions |
| 3435 |
Woodchip purchase |
Concept (Monetary) |
For Period |
Debit |
kep:PurchasesOfWoodchipRelatedPartyTransactions |
| 3436 |
Outstanding balances for related party transactions [Abstract] |
Abstract |
|
|
ifrs-full:OutstandingBalancesForRelatedPartyTransactionsAbstract |
| 3437 |
Trade receivables |
Concept (Monetary) |
As Of |
Debit |
kep:AmountsTradeReceivableRelatedPartyTransactions |
| 3438 |
Trade payables |
Concept (Monetary) |
As Of |
Credit |
kep:AmountsTradePayableRelatedPartyTransactions |
| 3439 |
Non-trade receivables and others |
Concept (Monetary) |
As Of |
Debit |
kep:AmountsNonTradeReceivableRelatedPartyTransactions |
| 3440 |
Non-trade payables and others |
Concept (Monetary) |
As Of |
Credit |
kep:AmountsNonTradePayableRelatedPartyTransactions |
| 3441 |
Accrued interest income |
Concept (Monetary) |
As Of |
Debit |
kep:AmountsAccruedInterestIncomeRelatedPartyTransactions |
| 3442 |
Derivative assets |
Concept (Monetary) |
As Of |
Debit |
kep:AmountsDerivativeAssetsRelatedPartyTransactions |
| 3443 |
Derivative liabilities |
Concept (Monetary) |
As Of |
Credit |
kep:AmountsDerivativeLiabilitiesRelatedPartyTransactions |
| 3444 |
24470500 - Disclosure - Loans transactions between related parties (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/LoansTransactionsBetweenRelatedPartiesDetails |
| 3445 |
Disclosure of Loans transactions between related parties [Table] |
Table |
* |
* |
kep:DisclosureOfLoansTransactionsBetweenRelatedPartiesTable |
| 3446 |
Categories of related parties [Axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 3447 |
Entity's total for related parties [Domain] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 3448 |
Related parties [Member] |
Member |
|
|
ifrs-full:RelatedPartiesMember |
| 3449 |
Associates [Member] |
Member |
|
|
ifrs-full:AssociatesMember |
| 3450 |
Hyundai Energy [Member] |
Member |
|
|
kep:HyundaiEnergyMember |
| 3451 |
Gunsan Bio Energy Co., Ltd. [Member] |
Member |
|
|
kep:GunsanBioEnergyMember |
| 3452 |
KNOC Nigerian East & West Oil [Member] |
Member |
|
|
kep:KNOCNigerianEastWestOilMember |
| 3453 |
PT Wampu Electric Power [Member] |
Member |
|
|
kep:PTWampuElectricPowerMember |
| 3454 |
PT. Cirebon Electric Power [Member] |
Member |
|
|
kep:PTCirebonElectricPowerMember |
| 3455 |
Xe-Pian Xe-Namnoy Power [Member] |
Member |
|
|
kep:XePianXeNamnoyPowerMember |
| 3456 |
Joint ventures where entity is venturer [Member] |
Member |
|
|
ifrs-full:JointVenturesWhereEntityIsVenturerMember |
| 3457 |
Daehan Wind Power PSC [Member] |
Member |
|
|
kep:DaehanWindPowerPSCMember |
| 3458 |
Datang Chifeng Renewable Power [Member] |
Member |
|
|
kep:DatangChifengRenewablePowerMember |
| 3459 |
Kelar S.A [Member] |
Member |
|
|
kep:KelarSAMember |
| 3460 |
KEPCO SPC Power Corporation [Member] |
Member |
|
|
kep:KEPCOSPCPowerCorporationMember |
| 3461 |
KODE NOVUS II LLC [Member] |
Member |
|
|
kep:KODENOVUSIILLCMember |
| 3462 |
Chester Solar IV SpA [Member] |
Member |
|
|
kep:ChesterSolarIVSpAMember |
| 3463 |
Rabigh Electricity Company [Member] |
Member |
|
|
kep:RabighElectricityMember |
| 3464 |
Carrying amount, accumulated depreciation, amortisation and impairment and gross carrying amount [Axis] |
Axis |
|
|
ifrs-full:CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis |
| 3465 |
Carrying amount [Domain] |
Member |
|
|
ifrs-full:CarryingAmountMember |
| 3466 |
Gross carrying amount [Member] |
Member |
|
|
ifrs-full:GrossCarryingAmountMember |
| 3467 |
Accumulated impairment [Member] |
Member |
|
|
ifrs-full:AccumulatedImpairmentMember |
| 3468 |
Disclosure of Loans transactions between related parties [Line Items] |
LineItems |
|
|
kep:DisclosureOfLoansTransactionsBetweenRelatedPartiesLineItems |
| 3469 |
Beginning balance |
Concept (Monetary) |
As Of |
Debit |
kep:AmountsLoansReceivableRelatedPartyTransactions |
| 3470 |
Changes in Loans receivable transactions between related parties [Abstract] |
Abstract |
|
|
kep:ChangesInLoansReceivableTransactionsBetweenRelatedPartiesAbstract |
| 3471 |
Loans |
Concept (Monetary) |
For Period |
Debit |
kep:LoansTransactionsBetweenRelatedParties |
| 3472 |
Collection |
Concept (Monetary) |
For Period |
Credit |
kep:CollectionOfLoansReceivableTransactionsBetweenRelatedParties |
| 3473 |
Others |
Concept (Monetary) |
For Period |
Debit |
kep:OtherIncreseDecreseLoansReceivableTransactionsBetweenRelatedParties |
| 3474 |
Ending balance |
Concept (Monetary) |
As Of |
Debit |
kep:AmountsLoansReceivableRelatedPartyTransactions |
| 3475 |
24470600 - Disclosure - Borrowings transactions between related parties (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/BorrowingsTransactionsBetweenRelatedPartiesDetails |
| 3476 |
Disclosure of Borrowings transactions between related parties [Table] |
Table |
* |
* |
kep:DisclosureOfBorrowingsTransactionsBetweenRelatedPartiesTable |
| 3477 |
Categories of related parties [Axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 3478 |
Entity's total for related parties [Domain] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 3479 |
Related parties [Member] |
Member |
|
|
ifrs-full:RelatedPartiesMember |
| 3480 |
Korea Development Bank [Member] |
Member |
|
|
kep:KoreaDevelopmentBankMember |
| 3481 |
Borrowings by name [Axis] |
Axis |
|
|
ifrs-full:BorrowingsByNameAxis |
| 3482 |
Borrowings by name [Domain] |
Member |
|
|
ifrs-full:BorrowingsByNameMember |
| 3483 |
Facility [Member] |
Member |
|
|
kep:FacilityLoan1Member |
| 3484 |
Others [Member] |
Member |
|
|
kep:OtherLoan1Member |
| 3485 |
Operating funds [Member] |
Member |
|
|
kep:OperatingFundsMember |
| 3486 |
Syndicated Loan [Member] |
Member |
|
|
kep:SyndicatedLoanMember |
| 3487 |
Disclosure of Borrowings transactions between related parties [Line Items] |
LineItems |
|
|
kep:DisclosureOfBorrowingsTransactionsBetweenRelatedPartiesLineItems |
| 3488 |
Beginning balance |
Concept (Monetary) |
As Of |
Credit |
kep:AmountsBorrowingsRelatedPartyTransactions |
| 3489 |
Changes in Borrowings transactions between related parties [Abstract] |
Abstract |
|
|
kep:ChangesInBorrowingsTransactionsBetweenRelatedPartiesAbstract |
| 3490 |
Borrowings |
Concept (Monetary) |
For Period |
Credit |
kep:BorrowingsTransactionsBetweenRelatedParties |
| 3491 |
Repayment |
Concept (Monetary) |
For Period |
Debit |
kep:RepaymentOfBorrowingsTransactionsBetweenRelatedParties |
| 3492 |
Others |
Concept (Monetary) |
For Period |
Credit |
kep:OtherIncreseDecreseBorrowingsTransactionsBetweenRelatedParties |
| 3493 |
Ending balance |
Concept (Monetary) |
As Of |
Credit |
kep:AmountsBorrowingsRelatedPartyTransactions |
| 3494 |
24470700 - Disclosure - Guarantees provided between the related parties (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/GuaranteesProvidedBetweenTheRelatedPartiesDetails |
| 3495 |
Disclosure of Guarantees provided between the related parties [Table] |
Table |
* |
* |
kep:DisclosureOfGuaranteesProvidedBetweenTheRelatedPartiesTable |
| 3496 |
Type of guarantees [Axis] |
Axis |
|
|
kep:TypeOfGuaranteesAxis |
| 3497 |
Type of guarantees [Domain] |
Member |
|
|
kep:TypeOfGuaranteesMember |
| 3498 |
Performance guarantees1 [Member] |
Member |
|
|
kep:PerformanceGuarantees1Member |
| 3499 |
Performance guarantees2 [Member] |
Member |
|
|
kep:PerformanceGuarantees2Member |
| 3500 |
Performance guarantees and others1 [Member] |
Member |
|
|
kep:PerformanceGuaranteesAndOthers1Member |
| 3501 |
Bidding guarantees [Member] |
Member |
|
|
kep:BiddingGuaranteesMember |
| 3502 |
Debt guarantees1 [Member] |
Member |
|
|
kep:DebtGuarantees1Member |
| 3503 |
Performance guarantees and others2 [Member] |
Member |
|
|
kep:PerformanceGuaranteesAndOthers2Member |
| 3504 |
Collateralized money invested1 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested1Member |
| 3505 |
Guarantees for supplemental funding and others1 [Member] |
Member |
|
|
kep:Guaranteesforsupplementalfundingandothers1Member |
| 3506 |
Payment guarantees for business reserve [Member] |
Member |
|
|
kep:PaymentguaranteesforbusinessreserveMember |
| 3507 |
Collateralized money invested2 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested2Member |
| 3508 |
Impounding bonus guarantees [Member] |
Member |
|
|
kep:ImpoundingBonusGuaranteesMember |
| 3509 |
Performance guarantees and others3 [Member] |
Member |
|
|
kep:PerformanceGuaranteesAndOthers3Member |
| 3510 |
Collateralized money invested3 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested3Member |
| 3511 |
Collateralized money invested4 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested4Member |
| 3512 |
Collateralized money invested5 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested5Member |
| 3513 |
Collateralized money invested6 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested6Member |
| 3514 |
Collateralized money invested7 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested7Member |
| 3515 |
Collateralized money invested8 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested8Member |
| 3516 |
Collateralized money invested9 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested9Member |
| 3517 |
Collateralized money invested10 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested10Member |
| 3518 |
Guarantees for supplemental funding1 [Member] |
Member |
|
|
kep:Guaranteesforsupplementalfunding1Member |
| 3519 |
Collateralized money invested11 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested11Member |
| 3520 |
Collateralized money invested12 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested12Member |
| 3521 |
Collateralized money invested13 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested13Member |
| 3522 |
Collateralized money invested14 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested14Member |
| 3523 |
Debt guarantees2 [Member] |
Member |
|
|
kep:DebtGuarantees2Member |
| 3524 |
Other guarantees [Member] |
Member |
|
|
kep:OtherguaranteesMember |
| 3525 |
Performance guarantees3 [Member] |
Member |
|
|
kep:PerformanceGuarantees3Member |
| 3526 |
Guarantees for supplemental funding and others2 [Member] |
Member |
|
|
kep:Guaranteesforsupplementalfundingandothers2Member |
| 3527 |
Collateralized money invested15 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested15Member |
| 3528 |
Performance guarantees and guarantees for supplemental funding and others1 [Member] |
Member |
|
|
kep:Performanceguaranteesandguaranteesforsupplementalfundingandothers1Member |
| 3529 |
Collateralized money invested16 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested16Member |
| 3530 |
Guarantees for supplemental funding and others3 [Member] |
Member |
|
|
kep:Guaranteesforsupplementalfundingandothers3Member |
| 3531 |
Collateralized money invested17 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested17Member |
| 3532 |
Guarantees for supplemental funding2 [Member] |
Member |
|
|
kep:Guaranteesforsupplementalfunding2Member |
| 3533 |
Collateralized money invested18 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested18Member |
| 3534 |
Performance guarantees4 [Member] |
Member |
|
|
kep:Performanceguarantees4Member |
| 3535 |
Collateralized money invested19 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested19Member |
| 3536 |
Guarantees for supplemental funding and others4 [Member] |
Member |
|
|
kep:Guaranteesforsupplementalfundingandothers4Member |
| 3537 |
Collateralized money invested20 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested20Member |
| 3538 |
Performance guarantees and guarantees for supplemental funding and others2 [Member] |
Member |
|
|
kep:Performanceguaranteesandguaranteesforsupplementalfundingandothers2Member |
| 3539 |
Guarantees for supplemental funding and others5 [Member] |
Member |
|
|
kep:Guaranteesforsupplementalfundingandothers5Member |
| 3540 |
Collateralized money invested21 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested21Member |
| 3541 |
Guarantees for supplemental funding and others6 [Member] |
Member |
|
|
kep:Guaranteesforsupplementalfundingandothers6Member |
| 3542 |
Collateralized money invested22 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested22Member |
| 3543 |
Guarantees for supplemental funding and others7 [Member] |
Member |
|
|
kep:Guaranteesforsupplementalfundingandothers7Member |
| 3544 |
Collateralized money invested23 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested23Member |
| 3545 |
Collateralized money invested24 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested24Member |
| 3546 |
Guarantees for supplemental funding and others8 [Member] |
Member |
|
|
kep:Guaranteesforsupplementalfundingandothers8Member |
| 3547 |
Debt guarantees3 [Member] |
Member |
|
|
kep:DebtGuarantees3Member |
| 3548 |
Debt guarantees4 [Member] |
Member |
|
|
kep:DebtGuarantees4Member |
| 3549 |
Collateralized money invested25 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested25Member |
| 3550 |
Collateralized money invested26 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested26Member |
| 3551 |
Guarantees for supplemental funding and others9 [Member] |
Member |
|
|
kep:Guaranteesforsupplementalfundingandothers9Member |
| 3552 |
Collateralized money invested27 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested27Member |
| 3553 |
Performance guarantees and guarantees for supplemental funding and others3 [Member] |
Member |
|
|
kep:Performanceguaranteesandguaranteesforsupplementalfundingandothers3Member |
| 3554 |
Collateralized money invested28 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested28Member |
| 3555 |
Collateralized money invested29 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested29Member |
| 3556 |
Guarantees for supplemental funding and others10 [Member] |
Member |
|
|
kep:Guaranteesforsupplementalfundingandothers10Member |
| 3557 |
Collateralized money invested30 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested30Member |
| 3558 |
Guarantees for supplemental funding and others11 [Member] |
Member |
|
|
kep:Guaranteesforsupplementalfundingandothers11Member |
| 3559 |
Guarantees for supplemental funding and others12 [Member] |
Member |
|
|
kep:Guaranteesforsupplementalfundingandothers12Member |
| 3560 |
Collateralized money invested31 [Member] |
Member |
|
|
kep:CollateralizedMoneyInvested31Member |
| 3561 |
Collateralized money invested32 [Member] |
Member |
|
|
kep:Collateralizedmoneyinvested32Member |
| 3562 |
Collateralized money invested33 [Member] |
Member |
|
|
kep:Collateralizedmoneyinvested33Member |
| 3563 |
Collateralized money invested34 [Member] |
Member |
|
|
kep:Collateralizedmoneyinvested34Member |
| 3564 |
Guarantees for supplemental funding and others13 [Member] |
Member |
|
|
kep:Guaranteesforsupplementalfundingandothers13Member |
| 3565 |
Disclosure of Guarantees provided between the related parties [Line Items] |
LineItems |
|
|
kep:DisclosureOfGuaranteesProvidedBetweenTheRelatedPartiesLineItems |
| 3566 |
Name of Primary guarantor |
Concept (Text/String) |
For Period |
|
kep:NameOfPrimaryGuarantor |
| 3567 |
Name of Guarantee |
Concept (Text/String) |
For Period |
|
kep:NameOfGuarantee |
| 3568 |
Name of Principal obligor |
Concept (Text/String) |
For Period |
|
kep:NameOfPrincipalObligor |
| 3569 |
Amount of guarantees |
Concept (Monetary) |
For Period |
|
ifrs-full:ProvisionOfGuaranteesOrCollateralByEntityRelatedPartyTransactions |
| 3570 |
24470900 - Disclosure - Derivatives transactions between related parties (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/DerivativesTransactionsBetweenRelatedPartiesDetails |
| 3571 |
Disclosure of Derivatives transactions between related parties [Table] |
Table |
* |
* |
kep:DisclosureOfDerivativesTransactionsBetweenRelatedPartiesTable |
| 3572 |
Categories of related parties [Axis] |
Axis |
|
|
ifrs-full:CategoriesOfRelatedPartiesAxis |
| 3573 |
Entity's total for related parties [Domain] |
Member |
|
|
ifrs-full:EntitysTotalForRelatedPartiesMember |
| 3574 |
Related parties [Member] |
Member |
|
|
ifrs-full:RelatedPartiesMember |
| 3575 |
Korea Development Bank [Member] |
Member |
|
|
kep:KoreaDevelopmentBankMember |
| 3576 |
Classes of financial assets [Axis] |
Axis |
|
|
ifrs-full:ClassesOfFinancialAssetsAxis |
| 3577 |
Financial assets, class [Domain] |
Member |
|
|
ifrs-full:FinancialAssetsMember |
| 3578 |
Financial assets at fair value, class [Member] |
Member |
|
|
ifrs-full:FinancialAssetsAtFairValueMember |
| 3579 |
Derivatives [Member] |
Member |
|
|
ifrs-full:DerivativesMember |
| 3580 |
Swap contract [Member] |
Member |
|
|
ifrs-full:SwapContractMember |
| 3581 |
Cross Currency Interest Rate Contract [Member] |
Member |
|
|
ifrs-full:CurrencySwapContractMember |
| 3582 |
Cross Currency Interest Rate Contract 1 [Member] |
Member |
|
|
kep:CrossCurrencyInterestRateContract1Member |
| 3583 |
Cross Currency Interest Rate Contract 2 [Member] |
Member |
|
|
kep:CrossCurrencyInterestRateContract2Member |
| 3584 |
Cross Currency Interest Rate Contract 3 [Member] |
Member |
|
|
kep:CrossCurrencyInterestRateContract3Member |
| 3585 |
Cross Currency Interest Rate Contract 4 [Member] |
Member |
|
|
kep:CrossCurrencyInterestRateContract4Member |
| 3586 |
Cross Currency Interest Rate Contract 5 [Member] |
Member |
|
|
kep:CrossCurrencyInterestRateContract5Member |
| 3587 |
Cross Currency Interest Rate Contract 6 [Member] |
Member |
|
|
kep:CrossCurrencyInterestRateContract6Member |
| 3588 |
Cross Currency Forward Contract [Member] |
Member |
|
|
kep:CurrencyForwardContractMember |
| 3589 |
Cross Currency Forward Contract 1 [Member] |
Member |
|
|
kep:CrossCurrencyForwardContract1Member |
| 3590 |
Cross Currency Forward Contract 2 [Member] |
Member |
|
|
kep:CrossCurrencyForwardContract2Member |
| 3591 |
Cross Currency Forward Contract 3 [Member] |
Member |
|
|
kep:CrossCurrencyForwardContract3Member |
| 3592 |
Cross Currency Forward Contract 4 [Member] |
Member |
|
|
kep:CrossCurrencyForwardContract4Member |
| 3593 |
Disclosure of Derivatives transactions between related parties [Line Items] |
LineItems |
|
|
kep:DisclosureOfDerivativesTransactionsBetweenRelatedPartiesLineItems |
| 3594 |
Contract year |
Concept (Text/String) |
For Period |
|
kep:DerivativeOfContractPeriod |
| 3595 |
Pay, Contract Amount |
Concept (Monetary) |
For Period |
Credit |
kep:ContractAmountSoldOfDerivativesTransactionsBetweenRelatedParties |
| 3596 |
Receive, Contract Amount |
Concept (Monetary) |
For Period |
Debit |
kep:ContractAmountBoughtOfDerivativesTransactionsBetweenRelatedParties |
| 3597 |
Contract Interest rate Pay |
Concept (Text/String) |
For Period |
|
kep:ContractInterestRatePay |
| 3598 |
Contract Interest rate Receive |
Concept (Text/String) |
For Period |
|
kep:ContractInterestRateReceive |
| 3599 |
Contract exchange rate |
Concept (Pure) |
As Of |
|
us-gaap:DerivativeForwardExchangeRate1 |
| 3600 |
Contract date |
Concept (Date) |
For Period |
|
us-gaap:DerivativeInceptionDates |
| 3601 |
Matrurity date |
Concept (Date) |
For Period |
|
us-gaap:DerivativeMaturityDates |
| 3602 |
24471000 - Disclosure - Key management personnel compensation (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/KeyManagementPersonnelCompensationDetails |
| 3603 |
Implied Table |
Table |
* |
* |
implied:Table |
| 3604 |
Disclosure of Key management personnel compensation [Abstract] |
Abstract |
|
|
kep:KeyManagementPersonnelCompensationAbstract |
| 3605 |
Salaries |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensationShorttermEmployeeBenefits |
| 3606 |
Employee benefits |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensationPostemploymentBenefits |
| 3607 |
Total |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:KeyManagementPersonnelCompensation |
| 3608 |
24480000 - Disclosure - Significant non-cash investing and financing transactions (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/SignificantNoncashInvestingAndFinancingTransactionsDetails |
| 3609 |
Implied Table |
Table |
* |
* |
implied:Table |
| 3610 |
Non-Cash Transactions [Abstract] |
Abstract |
|
|
us-gaap:CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract |
| 3611 |
Transfer from construction-in-progress to other assets |
Concept (Monetary) |
For Period |
Debit |
ifrs-full:IncreaseDecreaseThroughTransfersFromConstructionInProgressPropertyPlantAndEquipment |
| 3612 |
Recognition of asset retirement cost and related provision for decommissioning costs |
Concept (Monetary) |
For Period |
Debit |
kep:RecognitionOfAssetRetirementCostAndRelatedProvisionForDecommissioningCosts |
| 3613 |
Transfer from provision for disposal of spent nuclear fuel to accrued expenses |
Concept (Monetary) |
For Period |
Debit |
kep:TransferFromProvisionForDisposalOfSpentNuclearFuelToAccruedExpenses |
| 3614 |
24490100 - Disclosure - Commitments for Expenditure (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/CommitmentsForExpenditureDetails |
| 3615 |
Disclosure of Commitments for Expenditure [Table] |
Table |
* |
* |
kep:DisclosureOfCommitmentsForExpenditureTable |
| 3616 |
Commitments for Expenditure [Axis] |
Axis |
|
|
kep:CommitmentsForExpenditureAxis |
| 3617 |
Commitments for Expenditure [Domain] |
Member |
|
|
kep:CommitmentsForExpenditureMember |
| 3618 |
Purchase of switch (25.8kV Eco) 11,395 [Member] |
Member |
|
|
kep:Purchaseofswitch258kVEco11395Member |
| 3619 |
Purchase of switch (25.8kV Eco) 12,450 [Member] |
Member |
|
|
kep:Purchaseofswitch258kVEco12450Member |
| 3620 |
Purchase of cable (PVC,1C,2000SQ) 153,000M and others (Shin-Bupyung-Youngseo) [Member] |
Member |
|
|
kep:PurchaseofcablePVC1C2000SQ153000MandothersShinBupyungYoungseoMember |
| 3621 |
Purchase of cable (PVC, 1C, 2500SQ) 103,374M and others (Bukdangjin-Shintangjung) [Member] |
Member |
|
|
kep:PurchaseofcablePVC1C2500SQ103374MandothersBukdangjinShintangjungMember |
| 3622 |
Purchase of GIS (362KV 6300A 63KA) 23CB – YoungseoS/S [Member] |
Member |
|
|
kep:PurchaseofGIS362KV6300A63KA23CBYoungseoSSMember |
| 3623 |
Purchase of GIS (362KV 6300A 63KA) 26CB – Shin-gosungS/S [Member] |
Member |
|
|
kep:PurchaseofGIS362KV6300A63KA26CBShingosungSSMember |
| 3624 |
Purchase of GIS (362KV 6300A 63KA) 26CB – HwasungS/S [Member] |
Member |
|
|
kep:PurchaseofGIS362KV6300A63KA26CBHwasungSSMember |
| 3625 |
Purchase of GIS (362KV 6300A 63KA) 27CB – KwangyangS/S [Member] |
Member |
|
|
kep:PurchaseofGIS362KV6300A63KA27CBKwangyangSSMember |
| 3626 |
Purchase of GIS (362KV 6300A 63KA) and 1 other 18CB – BukbusanS/S [Member] |
Member |
|
|
kep:PurchaseofGIS362KV6300A63KAand1other18CBBukbusanSSMember |
| 3627 |
Purchase of GIS (800KV 8000A 50KA) 10CB – Shin-JungbuS/S [Member] |
Member |
|
|
kep:PurchaseofGIS800KV8000A50KA10CBShinJungbuSSMember |
| 3628 |
Purchase of transformer (765/345/23kV 666.7MVA, 2TANK) 6 units – Shin-JungbuS/S [Member] |
Member |
|
|
kep:Purchaseoftransformer76534523kV6667MVA2TANK6unitsShinJungbuSSMember |
| 3629 |
Purchase of cable (TR CNCE-W/AL,1C,400SQ) 4,500,000M [Member] |
Member |
|
|
kep:PurchaseofcableTRCNCEWAL1C400SQ4500000MMember |
| 3630 |
Purchase of Concrete Poles (10M, 350KGF) 104,755 and 6 others [Member] |
Member |
|
|
kep:PurchaseofConcretePoles10M350KGF104755and6othersMember |
| 3631 |
Purchase of cable (TR CNCE-W/AL,1C,400SQ) 4,645,000M [Member] |
Member |
|
|
kep:PurchaseofcableTRCNCEWAL1C400SQ4645000MMember |
| 3632 |
Purchase of Concrete Poles (10M, 350KGF) 121,900 and 6 others [Member] |
Member |
|
|
kep:PurchaseofConcretePoles10M350KGF121900and6othersMember |
| 3633 |
Advanced E-Type low voltage electricity meter 1,600,000 units [Member] |
Member |
|
|
kep:AdvancedETypelowvoltageelectricitymeter1600000unitsMember |
| 3634 |
Purchase of Ground Switch (44-D-A125, 600AX4) and 1 other 4,016 units [Member] |
Member |
|
|
kep:PurchaseofGroundSwitch44DA125600AX4and1other4016unitsMember |
| 3635 |
Construction of Shin-Kori units (#3,4) [Member] |
Member |
|
|
kep:ConstructionofShinKoriunits34Member |
| 3636 |
Construction of Shin-Kori units (#5,6) [Member] |
Member |
|
|
kep:ConstructionofShinKoriunits56Member |
| 3637 |
Construction of Shin-Hanwool units (#1,2) [Member] |
Member |
|
|
kep:ConstructionofShinHanwoolunits12Member |
| 3638 |
Construction of Shin-Hanwool units (#3,4) [Member] |
Member |
|
|
kep:ConstructionofShinHanwoolunits34Member |
| 3639 |
Construction of Yeosu thermal power units (#1) [Member] |
Member |
|
|
kep:ConstructionofYeosuthermalpowerunits1Member |
| 3640 |
Other 27 contracts [Member] |
Member |
|
|
kep:Other27contractsMember |
| 3641 |
Purchase of main machine for construction of Seoul Combined units (#1,2) [Member] |
Member |
|
|
kep:PurchaseofmainmachineforconstructionofSeoulCombinedunits12Member |
| 3642 |
Construction of Seoul Combined units (#1,2) [Member] |
Member |
|
|
kep:ConstructionofSeoulCombinedunits12Member |
| 3643 |
Electricity construction of Shin-Boryeong units (#1,2) [Member] |
Member |
|
|
kep:ElectricityconstructionofShinBoryeongunits12Member |
| 3644 |
Purchase of smoke eliminating machine for construction of Shin-Boryeong units (#1,2) [Member] |
Member |
|
|
kep:PurchaseofsmokeeliminatingmachineforconstructionofShinBoryeongunits12Member |
| 3645 |
Purchase of coal handling machine for construction of Shin-Boryeong units (#1,2) [Member] |
Member |
|
|
kep:PurchaseofcoalhandlingmachineforconstructionofShinBoryeongunits12Member |
| 3646 |
Service of designing Shin-Boryeong units (#1,2) [Member] |
Member |
|
|
kep:ServiceofdesigningShinBoryeongunits12Member |
| 3647 |
Purchase of main machine for construction of Shin-Boryeong units (#1,2) [Member] |
Member |
|
|
kep:PurchaseofmainmachineforconstructionofShinBoryeongunits12Member |
| 3648 |
Construction of Shin-Boryeong units (#1,2) [Member] |
Member |
|
|
kep:ConstructionofShinBoryeongunits12Member |
| 3649 |
Purchase of furnace for construction of Shin-Seocheon thermal power plant [Member] |
Member |
|
|
kep:PurchaseoffurnaceforconstructionofShinSeocheonthermalpowerplantMember |
| 3650 |
Purchase of turbine generator for construction of Shin-Seocheon thermal power plant [Member] |
Member |
|
|
kep:PurchaseofturbinegeneratorforconstructionofShinSeocheonthermalpowerplantMember |
| 3651 |
Electricity construction of Shin-Seocheon thermal power plant [Member] |
Member |
|
|
kep:ElectricityconstructionofShinSeocheonthermalpowerplantMember |
| 3652 |
Purchase of main machine for Jeju LNG combined [Member] |
Member |
|
|
kep:PurchaseofmainmachineforJejuLNGcombinedMember |
| 3653 |
Purchase of coal handling machine for construction of Taean (#9,10) and IGCC units (conditional contract for installation) [Member] |
Member |
|
|
kep:PurchaseofcoalhandlingmachineforconstructionofTaean910andIGCCunitsconditionalcontractforinstallationMember |
| 3654 |
Purchase of furnace for construction of Taean units (#9,10) [Member] |
Member |
|
|
kep:PurchaseoffurnaceforconstructionofTaeanunits910Member |
| 3655 |
Service of designing Taean units (#9,10) [Member] |
Member |
|
|
kep:ServiceofdesigningTaeanunits910Member |
| 3656 |
Purchase of desulfurization machine for construction of Taean units (#9,10) [Member] |
Member |
|
|
kep:PurchaseofdesulfurizationmachineforconstructionofTaeanunits910Member |
| 3657 |
Purchase of turbine generator for construction of Taean units (#9,10) [Member] |
Member |
|
|
kep:PurchaseofturbinegeneratorforconstructionofTaeanunits910Member |
| 3658 |
Purchase of combined generating machine for construction of Taean IGCC units [Member] |
Member |
|
|
kep:PurchaseofcombinedgeneratingmachineforconstructionofTaeanIGCCunitsMember |
| 3659 |
Purchase of oxygen plant for construction of Taean IGCC units [Member] |
Member |
|
|
kep:PurchaseofoxygenplantforconstructionofTaeanIGCCunitsMember |
| 3660 |
Service of designing Taean IGCC plant units [Member] |
Member |
|
|
kep:ServiceofdesigningTaeanIGCCplantunitsMember |
| 3661 |
Purchase of gasification plant for construction of Taean IGCC units [Member] |
Member |
|
|
kep:PurchaseofgasificationplantforconstructionofTaeanIGCCunitsMember |
| 3662 |
Construction of Samcheok units (#1,2) [Member] |
Member |
|
|
kep:ConstructionofSamcheokunits12Member |
| 3663 |
Purchase of furnace for construction of Samcheok units (#1,2) [Member] |
Member |
|
|
kep:PurchaseoffurnaceforconstructionofSamcheokunits12Member |
| 3664 |
Purchase of coal handling machine for construction of Samcheok units (#1,2) [Member] |
Member |
|
|
kep:PurchaseofcoalhandlingmachineforconstructionofSamcheokunits12Member |
| 3665 |
Service of designing Samcheok units (#1,2) [Member] |
Member |
|
|
kep:ServiceofdesigningSamcheokunits12Member |
| 3666 |
Purchase of main equipment [Member] |
Member |
|
|
kep:PurchaseofmainequipmentMember |
| 3667 |
Landscaping construction and other [Member] |
Member |
|
|
kep:LandscapingconstructionandotherMember |
| 3668 |
Construction of yard for Andong natural gas power plant [Member] |
Member |
|
|
kep:ConstructionofyardforAndongnaturalgaspowerplantMember |
| 3669 |
Purchase of turbine main equipment for Samcheok units (#1,2) [Member] |
Member |
|
|
kep:PurchaseofturbinemainequipmentforSamcheokunits12Member |
| 3670 |
Service of designing Dangjin units (#9,10) [Member] |
Member |
|
|
kep:ServiceofdesigningDangjinunits910Member |
| 3671 |
Disclosure of Commitments for Expenditure [Line Items] |
LineItems |
|
|
kep:DisclosureOfCommitmentsForExpenditureLineItems |
| 3672 |
Commitments for Expenditure amounts |
Concept (Monetary) |
As Of |
Credit |
kep:CommitmentsForExpenditureAmounts |
| 3673 |
Commitments for Expenditure balance |
Concept (Monetary) |
As Of |
Credit |
kep:CommitmentsForExpenditureBalance |
| 3674 |
24490200 - Disclosure - Contracts for inventory purchase commitment (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/ContractsForInventoryPurchaseCommitmentDetails |
| 3675 |
Disclosure of contracts for inventory purchase commitment [Table] |
Table |
* |
* |
kep:ContractsForInventoryPurchaseCommitmentTable |
| 3676 |
Contracts for inventory purchase commitment [Axis] |
Axis |
|
|
kep:ContractsForInventoryPurchaseCommitmentAxis |
| 3677 |
Contracts for inventory purchase commitment [Domain] |
Member |
|
|
kep:ContractsForInventoryPurchaseCommitmentMember |
| 3678 |
Concentrate [Member] |
Member |
|
|
kep:ConcentrateMember |
| 3679 |
Transformed [Member] |
Member |
|
|
kep:TransformedMember |
| 3680 |
Enrichment [Member] |
Member |
|
|
kep:EnrichmentMember |
| 3681 |
Molded [Member] |
Member |
|
|
kep:MoldedMember |
| 3682 |
Disclosure of contracts for inventory purchase commitment [Line Items] |
LineItems |
|
|
kep:ContractsForInventoryPurchaseCommitmentLineitems |
| 3683 |
Periods |
Concept (Text/String) |
For Period |
|
kep:Periods |
| 3684 |
Contracted amounts |
Concept (Text/String) |
For Period |
|
kep:ContractedAmounts |
| 3685 |
24500100 - Disclosure - Litigation Case (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/LitigationCaseDetails |
| 3686 |
Disclosure of Litigation Case [Table] |
Table |
* |
* |
kep:LitigationCaseTable |
| 3687 |
Litigation Case [Axis] |
Axis |
|
|
us-gaap:LitigationCaseAxis |
| 3688 |
Litigation Case [Domain] |
Member |
|
|
us-gaap:LitigationCaseTypeDomain |
| 3689 |
As the defendant [Member] |
Member |
|
|
kep:LitigationAsTheDefendantMember |
| 3690 |
As the plaintiff [Member] |
Member |
|
|
kep:LitigationAsThePlaintiffMember |
| 3691 |
Litigation Case [Line Items] |
LineItems |
|
|
kep:LitigationCaseLineItems |
| 3692 |
Number of cases |
Concept (Integer) |
As Of |
|
kep:NumberOfCases |
| 3693 |
Claim amount |
Concept (Monetary) |
As Of |
Credit |
kep:ClaimAmount |
| 3694 |
24500300 - Disclosure - Commitments and Contingencies Disclosure (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/CommitmentsAndContingenciesDisclosureDetails |
| 3695 |
Commitments and Contingencies Disclosure [Table] |
Table |
* |
* |
kep:CommitmentsAndContingenciesDisclosureTable |
| 3696 |
Other Commitments [Axis] |
Axis |
|
|
us-gaap:OtherCommitmentsAxis |
| 3697 |
Other Commitments [Domain] |
Member |
|
|
us-gaap:OtherCommitmentsDomain |
| 3698 |
Commitments on bank-overdraft [Member] |
Member |
|
|
kep:CommitmentsOnBankOverdraftMember |
| 3699 |
Commitments on bank-daylight overdraft [Member] |
Member |
|
|
kep:CommitmentsOnBankDaylightMember |
| 3700 |
Limit amount available for CP [Member] |
Member |
|
|
kep:LimitAmountAvailableForCPMember |
| 3701 |
Limit amount available for card1 [Member] |
Member |
|
|
kep:LimitAmountAvailableForCard1Member |
| 3702 |
Limit amount available for card2 [Member] |
Member |
|
|
kep:LimitAmountAvailableForCard2Member |
| 3703 |
Loan limit1 [Member] |
Member |
|
|
ifrs-full:LoanCommitmentsMember |
| 3704 |
Loan limit2 [Member] |
Member |
|
|
kep:LoanCommitments2Member |
| 3705 |
Certification of payment on L/C [Member] |
Member |
|
|
us-gaap:PaymentGuaranteeMember |
| 3706 |
Certification of performance guarantee on contract1 [Member] |
Member |
|
|
us-gaap:PerformanceGuaranteeMember |
| 3707 |
Certification of performance guarantee on contract2 [Member] |
Member |
|
|
kep:PerformanceGuarantee2Member |
| 3708 |
Certification of performance guarantee on contract3 [Member] |
Member |
|
|
kep:PerformanceGuarantee3Member |
| 3709 |
Certification of performance guarantee on contract4 [Member] |
Member |
|
|
kep:PerformanceGuarantee4Member |
| 3710 |
Certification of performance guarantee on contract5 [Member] |
Member |
|
|
kep:PerformanceGuarantee5Member |
| 3711 |
Certification of performance guarantee on contract6 [Member] |
Member |
|
|
kep:PerformanceGuarantee6Member |
| 3712 |
Certification of bidding1 [Member] |
Member |
|
|
kep:CertificationOfBidding1Member |
| 3713 |
Certification of bidding2 [Member] |
Member |
|
|
kep:CertificationOfBidding2Member |
| 3714 |
Advance payment bond, Warranty bond, Retention bond and others1 [Member] |
Member |
|
|
kep:AdvancePaymentBondWarrantyBondRetentionBondAndOthers1Member |
| 3715 |
Advance payment bond, Warranty bond, Retention bond and others2 [Member] |
Member |
|
|
kep:AdvancePaymentBondWarrantyBondRetentionBondAndOthers2Member |
| 3716 |
Other commitments 1 [Member] |
Member |
|
|
kep:OtherCommitments1Member |
| 3717 |
Other commitments 2 [Member] |
Member |
|
|
kep:OtherCommitments2Member |
| 3718 |
Inclusive credit1 [Member] |
Member |
|
|
kep:InclusiveCredit1Member |
| 3719 |
Inclusive credit2 [Member] |
Member |
|
|
kep:InclusiveCredit2Member |
| 3720 |
Inclusive credit3 [Member] |
Member |
|
|
kep:InclusiveCredit3Member |
| 3721 |
Trade finance [Member] |
Member |
|
|
kep:TradeFinanceMember |
| 3722 |
Commitments and Contingencies Disclosure [Line Items] |
LineItems |
|
|
kep:CommitmentsAndContingenciesDisclosureLineItems |
| 3723 |
Financial institutions |
Concept (Text/String) |
For Period |
|
kep:FinancialInstitutions |
| 3724 |
Limited amount |
Concept (Monetary) |
As Of |
Credit |
us-gaap:LineOfCredit |
| 3725 |
Exercised amount |
Concept (Monetary) |
As Of |
Credit |
kep:ExercisedAmount |
| 3726 |
24500400 - Disclosure - Assets pledged as collateral (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/AssetsPledgedAsCollateralDetails |
| 3727 |
Disclsoure of assets pledged as collateral [Table] |
Table |
* |
* |
kep:AssetsPledgedAsCollateralTable |
| 3728 |
Collateral [Axis] |
Axis |
|
|
us-gaap:CollateralAxis |
| 3729 |
Collateral [Domain] |
Member |
|
|
us-gaap:CollateralDomain |
| 3730 |
Shareholdings of Gyeongju Wind Power Co., Ltd. [Member] |
Member |
|
|
kep:ShareholdingsOfGyeongjuWindPowerMember |
| 3731 |
Shareholdings of Commerce and Industry Energy Co., Ltd. [Member] |
Member |
|
|
kep:ShareholdingsOfCommerceAndIndustryEnergyMember |
| 3732 |
Shareholdings of KOSPO Youngnam Power Co., Ltd. [Member] |
Member |
|
|
kep:ShareholdingsOfKOSPOYoungnamPowerMember |
| 3733 |
Shareholdings of Mira Power Limited [Member] |
Member |
|
|
kep:ShareholdingsOfMiraPowerLimitedMember |
| 3734 |
Shareholdings of Gyeonggi Green Energy Co., Ltd. [Member] |
Member |
|
|
kep:ShareholdingsOfGyeonggiGreenEnergyMember |
| 3735 |
Factory estate and others [Member] |
Member |
|
|
kep:FactoryEstateAndOthersMember |
| 3736 |
Land, buildings, structures and machinery and others [Member] |
Member |
|
|
kep:LandBuildingsStructuresAndMachineryAndOthersMember |
| 3737 |
Cash and Cash Equivalents [Member] |
Member |
|
|
us-gaap:CashAndCashEquivalentsMember |
| 3738 |
Cash and cash equivalents 1 [Member] |
Member |
|
|
kep:CashAndCashEquivalents1Member |
| 3739 |
Property, plant and equipment and others [Member] |
Member |
|
|
kep:PropertyPlantAndEquipmentAndOthersMember |
| 3740 |
Existing or expected trade receivables [Member] |
Member |
|
|
kep:ExistingOrExpectedTradeReceivablesMember |
| 3741 |
Bank deposit and insurance claim [Member] |
Member |
|
|
kep:BankDepositAndInsuranceClaimMember |
| 3742 |
Finance Lease receivable and property, plant and equipment and others [Member] |
Member |
|
|
kep:FinanceLeaseReceivableAndPropertyPlantAndEquipmentAndOthersMember |
| 3743 |
Finance Lease receivable and others [Member] |
Member |
|
|
kep:FinanceLeaseReceivableAndOthersMember |
| 3744 |
Disclsoure of assets pledged as collateral [Line Items] |
LineItems |
|
|
kep:AssetsPledgedAsCollateralLineItems |
| 3745 |
Name of Guarantor |
Concept (Text/String) |
For Period |
|
kep:NameOfGuarantor |
| 3746 |
Name of Guarantee |
Concept (Text/String) |
For Period |
|
kep:NameOfGuarantee |
| 3747 |
Value of collateral |
Concept (Monetary) |
As Of |
Debit |
kep:ValueOfCollateral |
| 3748 |
Description of assets pledged as collateral description |
Concept (Text/String) |
For Period |
|
kep:DescriptionOfAssetsPledgedAsCollateral |
| 3749 |
24510100 - Disclosure - Subsequent Events (Details) |
Network |
* |
* |
http://www.kepco.co.kr/role/SubsequentEventsDetails |
| 3750 |
Subsequent Events [Table] |
Table |
* |
* |
us-gaap:SubsequentEventTable |
| 3751 |
Debt Security [Axis] |
Axis |
|
|
us-gaap:DebtSecurityAxis |
| 3752 |
Major Types of Debt Securities [Domain] |
Member |
|
|
us-gaap:MajorTypesOfDebtSecuritiesDomain |
| 3753 |
Type of bonds [Member] |
Member |
|
|
us-gaap:BondsMember |
| 3754 |
#48-1 corporate bond [Member] |
Member |
|
|
kep:CorporateBond481Member |
| 3755 |
#48-2 corporate bond [Member] |
Member |
|
|
kep:CorporateBond482Member |
| 3756 |
#48-3 corporate bond [Member] |
Member |
|
|
kep:CorporateBond483Member |
| 3757 |
#48-4 corporate bond [Member] |
Member |
|
|
kep:CorporateBond484Member |
| 3758 |
Global bond 9 [Member] |
Member |
|
|
kep:GlobalBond9Member |
| 3759 |
Asset backed short-term bond [Member] |
Member |
|
|
kep:AssetBackedShorttermBondMember |
| 3760 |
#41-1 non-guaranteed corporate bond [Member] |
Member |
|
|
kep:NonguaranteedCorporateBond411Member |
| 3761 |
#41-2 non-guaranteed corporate bond [Member] |
Member |
|
|
kep:NonguaranteedCorporateBond412Member |
| 3762 |
#43-1 non-guaranteed bond [Member] |
Member |
|
|
kep:NonguaranteedBond431Member |
| 3763 |
#43-2 non-guaranteed bond [Member] |
Member |
|
|
kep:NonguaranteedBond432Member |
| 3764 |
#43-3 non-guaranteed bond [Member] |
Member |
|
|
kep:NonguaranteedBond433Member |
| 3765 |
Non-guaranteed foreign currency bond (Global bond 18) [Member] |
Member |
|
|
kep:GlobalBond18NonguaranteedForeignCurrencyBondMember |
| 3766 |
Subsequent Events - Issuance of bonds [Line Items] |
LineItems |
|
|
us-gaap:SubsequentEventLineItems |
| 3767 |
company name |
Concept (Text/String) |
For Period |
|
us-gaap:DebtInstrumentIssuer |
| 3768 |
Issue date |
Concept (Date) |
For Period |
|
us-gaap:DebtInstrumentIssuanceDate1 |
| 3769 |
Maturity |
Concept (Date) |
For Period |
|
us-gaap:DebtInstrumentMaturityDate |
| 3770 |
Interest rate (%) |
Concept (Percent) |
As Of |
|
us-gaap:DebtInstrumentInterestRateStatedPercentage |
| 3771 |
Amounts issued for the subsequent period |
Concept (Monetary) |
As Of |
Credit |
kep:BondsIssuedForSubsequentPeriod |