XML 284 R269.htm IDEA: XBRL DOCUMENT
v3.25.1

Related Parties - Summary of Borrowings Arising From Related Party Transactions (Details) - Korea Development Bank ₩ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2024 KRW (₩)
Disclosure of Borrowings transactions between related parties [Line Items] |
Beginning balance | ₩ 326,021
Changes in Borrowings transactions between related parties [Abstract] |
Borrowings | 852,217
Repayment | (861,965)
Others | 19,666
Ending balance | 335,939
Facility |
Disclosure of Borrowings transactions between related parties [Line Items] |
Beginning balance | 85,103
Changes in Borrowings transactions between related parties [Abstract] |
Borrowings | 0
Repayment | (8,469)
Others | 8,019
Ending balance | 84,653
Others |
Disclosure of Borrowings transactions between related parties [Line Items] |
Beginning balance | 1,758
Changes in Borrowings transactions between related parties [Abstract] |
Borrowings | 0
Repayment | (334)
Others | 0
Ending balance | 1,424
Operating funds |
Disclosure of Borrowings transactions between related parties [Line Items] |
Beginning balance | 120,000
Changes in Borrowings transactions between related parties [Abstract] |
Borrowings | 832,167
Repayment | (852,167)
Others | 0
Ending balance | 100,000
EBL and others [Member] |
Disclosure of Borrowings transactions between related parties [Line Items] |
Beginning balance | 119,160
Changes in Borrowings transactions between related parties [Abstract] |
Borrowings | 20,050
Repayment | (995)
Others | 11,647
Ending balance | ₩ 149,862

X
- Definition Amounts borrowings related party transactions. + References No definition available. + Details
Name: | kep_AmountsBorrowingsRelatedPartyTransactions
Namespace Prefix: | kep_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Borrowings transactions between related parties. + References No definition available. + Details
Name: | kep_BorrowingsTransactionsBetweenRelatedParties
Namespace Prefix: | kep_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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

X
- Definition Other increase decrease borrowings transactions between related parties. + References No definition available. + Details
Name: | kep_OtherIncreseDecreseBorrowingsTransactionsBetweenRelatedParties
Namespace Prefix: | kep_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Repayment of borrowings transactions between related parties. + References No definition available. + Details
Name: | kep_RepaymentOfBorrowingsTransactionsBetweenRelatedParties
Namespace Prefix: | kep_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=kep_KoreaDevelopmentBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=kep_FacilityLoan1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=kep_OtherLoan1Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=kep_OperatingFundsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BorrowingsByNameAxis=kep_EBLAndOthersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |