XML 292 R279.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Contingencies and Commitments - Summary of Credit Lines Provided By Financial Institutions (Details) - 12 months ended Dec. 31, 2023 € in Thousands, ₨ in Thousands, ر.ع. in Thousands, ر.س in Thousands, د.إ in Thousands, ¥ in Thousands, $ in Thousands, $ in Thousands, ₩ in Millions | KRW (₩) | USD ($) | EUR (€) | JPY (¥) | INR (₨) | OMR (ر.ع.) | SAR (ر.س) | MXN ($) | AED (د.إ)
--- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Commitments on Bank-overdraft |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Nonghyup Bank and others |  |  |  |  |  |  |  |
Credit limit | ₩ |  | ₩ 2,260,500 |  |  |  |  |  |  |  |
Used amount | ₩ |  | ₩ 3,096 |  |  |  |  |  |  |  |
Limit amount available for CP |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Hana Bank and others |  |  |  |  |  |  |  |
Credit limit | ₩ |  | ₩ 5,650,000 |  |  |  |  |  |  |  |
Used amount | ₩ |  | ₩ 5,650,000 |  |  |  |  |  |  |  |
General loan, etc. |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Hana Bank and others |  |  |  |  |  |  |  |
Credit limit | ₩ |  | ₩ 4,400,000 |  |  |  |  |  |  |  |
Used amount | ₩ |  | ₩ 4,350,000 |  |  |  |  |  |  |  |
Limit amount available for card |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Hana Bank and others |  |  |  |  |  |  |  |
Credit limit | ₩ |  | ₩ 47,424 |  |  |  |  |  |  |  |
Used amount | ₩ |  | ₩ 1,919 |  |  |  |  |  |  |  |
Loan limit |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Korea Development Bank and others |  |  |  |  |  |  |  |
Credit limit | ₩ |  | ₩ 2,708,395 |  |  |  |  |  |  |  |
Used amount | ₩ |  | ₩ 1,969,529 |  |  |  |  |  |  |  |
Loan limit |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | DBS Bank and others |  |  |  |  |  |  |  |
Credit limit | $ |  |  | $ 1,782,000 |  |  |  |  |  |  |
Used amount |  | ₩ 200,000 | 40,000 |  |  |  |  |  |  |
Certification of payment on payables from foreign country |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Nonghyup Bank |  |  |  |  |  |  |  |
Credit limit | $ |  |  | 8,700 |  |  |  |  |  |  |
Used amount | $ |  |  | 5,270 |  |  |  |  |  |  |
Certification of payment on L/C |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Shinhan Bank and others |  |  |  |  |  |  |  |
Credit limit | $ |  |  | 1,160,452 |  |  |  |  |  |  |
Used amount | $ |  |  | 178,558 |  |  |  |  |  |  |
Certification of payment on L/C |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Kookmin Bank and others |  |  |  |  |  |  |  |
Credit limit | € |  |  |  | € 42,688 |  |  |  |  |  |
Used amount | € |  |  |  | 42,688 |  |  |  |  |  |
Certification of payment on L/C |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Shinhan Bank |  |  |  |  |  |  |  |
Credit limit | ¥ |  |  |  |  | ¥ 481,785 |  |  |  |  |
Used amount | ¥ |  |  |  |  | 481,785 |  |  |  |  |
Certification of performance guarantee on contracts |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Hana Bank and others |  |  |  |  |  |  |  |
Credit limit | ₩ |  | ₩ 145,855 |  |  |  |  |  |  |  |
Used amount | ₩ |  | ₩ 125,289 |  |  |  |  |  |  |  |
Certification of performance guarantee on contracts |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | First Abu Dhabi Bank and others |  |  |  |  |  |  |  |
Credit limit | $ |  |  | 921,138 |  |  |  |  |  |  |
Used amount | $ |  |  | 788,313 |  |  |  |  |  |  |
Certification of performance guarantee on contracts |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Korea Development Bank and others |  |  |  |  |  |  |  |
Credit limit | ¥ |  |  |  |  | 620,000 |  |  |  |  |
Used amount | ¥ |  |  |  |  | ¥ 620,000 |  |  |  |  |
Certification of performance guarantee on contracts |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Hana Bank |  |  |  |  |  |  |  |
Credit limit | € |  |  |  | 12,106 |  |  |  |  |  |
Used amount | € |  |  |  | 12,106 |  |  |  |  |  |
Certification of performance guarantee on contracts |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Hana Bank |  |  |  |  |  |  |  |
Credit limit | ₨ |  |  |  |  |  | ₨ 44,872 |  |  |  |
Used amount | ₨ |  |  |  |  |  | 44,872 |  |  |  |
Certification of performance guarantee on contracts |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Hana Bank |  |  |  |  |  |  |  |
Credit limit | ر.ع. |  |  |  |  |  |  | ر.ع. 6,250 |  |  |
Used amount | ر.ع. |  |  |  |  |  |  | ر.ع. 6,250 |  |  |
Certification of performance guarantee on contracts |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Hana Bank |  |  |  |  |  |  |  |
Credit limit | ر.س |  |  |  |  |  |  |  | ر.س 4,151 |  |
Used amount | ر.س |  |  |  |  |  |  |  | 4,151 |  |
Certification of bidding |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Hana Bank |  |  |  |  |  |  |  |
Credit limit | $ |  |  | 5,200 |  |  |  |  |  |  |
Used amount | $ |  |  | 0 |  |  |  |  |  |  |
Certification of bidding |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Export-Import Bank of Korea |  |  |  |  |  |  |  |
Credit limit | € |  |  |  | 10,000 |  |  |  |  |  |
Used amount | € |  |  |  | 10,000 |  |  |  |  |  |
Advance payment bond, Warranty bond, Retention bond and others |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Seoul Guarantee Insurance |  |  |  |  |  |  |  |
Credit limit | ₩ |  | ₩ 57,670 |  |  |  |  |  |  |  |
Used amount | ₩ |  | ₩ 57,670 |  |  |  |  |  |  |  |
Advance payment bond, Warranty bond, Retention bond and others |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Hana Bank and others |  |  |  |  |  |  |  |
Credit limit | $ |  |  | 813,839 |  |  |  |  |  |  |
Used amount | $ |  |  | 763,596 |  |  |  |  |  |  |
Advance payment bond, Warranty bond, Retention bond and others |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Saudi National Bank |  |  |  |  |  |  |  |
Credit limit | ر.س |  |  |  |  |  |  |  | 21,000 |  |
Used amount | ر.س |  |  |  |  |  |  |  | ر.س 21,000 |  |
Advance payment bond, Warranty bond, Retention bond and others |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Hana Bank and others |  |  |  |  |  |  |  |
Credit limit | $ |  |  |  |  |  |  |  |  | $ 21,597 |
Used amount | $ |  |  |  |  |  |  |  |  | $ 20,027 |
Other commitments |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions | [1] | Nonghyup Bank and others |  |  |  |  |  |  |  |
Credit limit | ₩ | [1] | ₩ 337,126 |  |  |  |  |  |  |  |
Used amount | [1] | ₩ 19,943 | 20,832 | 282 |  |  |  |  |  |
Other commitments |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions | [1] | Nonghyup Bank and others |  |  |  |  |  |  |  |
Credit limit | $ | [1] |  | 316,327 |  |  |  |  |  |  |
Used amount | [1] |  | 60,073 | € 48,825 |  |  |  |  |  |
Other commitments |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions | [1] | StandardChartered |  |  |  |  |  |  |  |
Credit limit | د.إ | [1] |  |  |  |  |  |  |  |  | د.إ 50
Used amount | د.إ | [1] |  |  |  |  |  |  |  |  | د.إ 50
Secured loan of credit sales |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Nonghyup Bank and others |  |  |  |  |  |  |  |
Credit limit | ₩ |  | ₩ 271,000 |  |  |  |  |  |  |  |
Used amount | ₩ |  | ₩ 0 |  |  |  |  |  |  |  |
Inclusive credit |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Hana Bank |  |  |  |  |  |  |  |
Credit limit | ₩ |  | ₩ 8,000 |  |  |  |  |  |  |  |
Used amount | ₩ |  | ₩ 4,920 |  |  |  |  |  |  |  |
Inclusive credit |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Hana Bank and others |  |  |  |  |  |  |  |
Credit limit | $ |  |  | 135,000 |  |  |  |  |  |  |
Used amount |  |  | 15,141 |  |  | ₨ 345,206 |  |  |  |
Equity Bridge Loan Guarantee |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | Export-Import Bank of Koreaand others |  |  |  |  |  |  |  |
Credit limit | $ |  |  | 1,764,555 |  |  |  |  |  |  |
Used amount | $ |  |  | 1,372,546 |  |  |  |  |  |  |
Trade finance |  |  |  |  |  |  |  |  |  |
Commitments and Contingencies Disclosure [Line Items] |  |  |  |  |  |  |  |  |  |
Financial institutions |  | DBS Bank and others |  |  |  |  |  |  |  |
Credit limit | $ |  |  | 870,000 |  |  |  |  |  |  |
Used amount | $ |  |  | $ 0 |  |  |  |  |  |  |
[1] | As of December 31, 2023, the Company has entered into a credit extension agreement for derivatives transactions with Nonghyup Bank, Hana Bank, and Woori Bank as ancillary to currency swap transactions.

X
- References No definition available. + Details
Name: | kep_CommitmentsAndContingenciesDisclosureLineItems
Namespace Prefix: | kep_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Credit limit. + References No definition available. + Details
Name: | kep_CreditLimit
Namespace Prefix: | kep_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Exercised amount. + References No definition available. + Details
Name: | kep_ExercisedAmount
Namespace Prefix: | kep_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Financial institutions. + References No definition available. + Details
Name: | kep_FinancialInstitutions
Namespace Prefix: | kep_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_CommitmentsOnBankOverdraftMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_LimitAmountAvailableForCPMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_GeneralLoanMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_LimitAmountAvailableForCard1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=ifrs-full_LoanCommitmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_LoanCommitments2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_CertificationOfPaymentOnPayablesFromForeignCountryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_PaymentGuaranteeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_PaymentGuarantee2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_PaymentGuarantee3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_PerformanceGuaranteeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_PerformanceGuarantee2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_PerformanceGuarantee3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_PerformanceGuarantee4Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_PerformanceGuarantee5Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_PerformanceGuarantee6Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_PerformanceGuarantee7Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_CertificationOfBidding1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_CertificationBidding2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_AdvancePaymentBondWarrantyBondRetentionBondAndOthers1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_AdvancePaymentBondWarrantyBondRetentionBondOthers2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_AdvancePaymentBondWarrantyBondRetentionBondOthers3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_AdvancePaymentBondWarrantyBondRetentionBondOthers4Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_OtherCommitments1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_OtherCommitments2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_OtherCommitments3Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_SecuredLoanOfCreditSalesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_InclusiveCredit1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_InclusiveCredit2Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_EquityBridgeLoanGuarantee1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_OtherCommitmentsAxis=kep_TradeFinanceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |