XML 130 R115.htm IDEA: XBRL DOCUMENT
v3.25.1

Material Accounting Policies - Summary of Intangible Assets, Estimated Useful Lives (Details) | 12 Months Ended
--- | ---
Dec. 31, 2024
Usage rights for donated assets |
Disclosure of intangible assets with indefinite useful life [Line Items] |
Useful lives (years) | 10 ~ 30
Amortization methods | Straight line
Software |
Disclosure of intangible assets with indefinite useful life [Line Items] |
Useful lives (years) | 4 ~ 30
Amortization methods | Straight line
Industrial rights |
Disclosure of intangible assets with indefinite useful life [Line Items] |
Useful lives (years) | 5 ~ 30
Amortization methods | Straight line
Development expenditures |
Disclosure of intangible assets with indefinite useful life [Line Items] |
Useful lives (years) | 5
Amortization methods | Straight line
Leasehold rights |
Disclosure of intangible assets with indefinite useful life [Line Items] |
Useful lives (years) | 8 ~ 10
Amortization methods | Straight line
Other intangible assets |
Disclosure of intangible assets with indefinite useful life [Line Items] |
Useful lives (years) | 3 ~ 50 or indefinite
Amortization methods | Straight line
Mining rights |
Disclosure of intangible assets with indefinite useful life [Line Items] |
Useful lives (years) | 0
Amortization methods | Unit of production

X
- Definition The amortisation method used for intangible assets other than goodwill with finite useful lives. [Refer: Intangible assets other than goodwill; Depreciation and amortisation expense] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2024-01-01 -Paragraph 118 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2024-en-r&anchor=para_118_b&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_AmortisationMethodIntangibleAssetsOtherThanGoodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of useful life used for intangible assets other than goodwill. [Refer: Intangible assets other than goodwill] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 38 -IssueDate 2024-01-01 -Paragraph 118 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2024-en-r&anchor=para_118_a&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_DescriptionOfUsefulLifeIntangibleAssetsOtherThanGoodwill
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=kep_UsageRightsOfDonatedAssetsAndOtherMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=ifrs-full_ComputerSoftwareMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=ifrs-full_CopyrightsPatentsAndOtherIndustrialPropertyRightsServiceAndOperatingRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=ifrs-full_CapitalisedDevelopmentExpenditureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=kep_LeaseholdRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=ifrs-full_OtherIntangibleAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=ifrs-full_MiningRightsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |