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Borrowings transactions between related parties (Details) - Korea Development Bank ₩ in Millions | 12 Months Ended
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Dec. 31, 2019 KRW (₩)
Facility |
Disclosure of Borrowings transactions between related parties [Line Items] |
Beginning balance | ₩ 66,793
Changes in Borrowings transactions between related parties [Abstract] |
Borrowings | 5,700
Repayment | (12,648)
Others | 0
Ending balance | 59,845
Others |
Disclosure of Borrowings transactions between related parties [Line Items] |
Beginning balance | 4,154
Changes in Borrowings transactions between related parties [Abstract] |
Borrowings | 0
Repayment | (654)
Others | 0
Ending balance | 3,500
Operating funds |
Disclosure of Borrowings transactions between related parties [Line Items] |
Beginning balance | 81,000
Changes in Borrowings transactions between related parties [Abstract] |
Borrowings | 172,442
Repayment | (73,992)
Others | (450)
Ending balance | 179,000
Syndicated Loan |
Disclosure of Borrowings transactions between related parties [Line Items] |
Beginning balance | 17,277
Changes in Borrowings transactions between related parties [Abstract] |
Borrowings | 0
Repayment | (1,055)
Others | 863
Ending balance | ₩ 17,085

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- References No definition available. + Details
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Namespace Prefix: | kep_
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Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
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Namespace Prefix: | kep_
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Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | kep_
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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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

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

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |