XML 295 R280.htm IDEA: XBRL DOCUMENT
v3.25.1

Contingencies and Commitments - Summary of Ongoing Litigations Related With Contingent Liabilities And Contingent Assets (Details) ₩ in Millions | Dec. 31, 2024 KRW (₩) | Dec. 31, 2023 KRW (₩)
--- | --- | ---
As the defendant |  |
Litigation Case [Line Items] |  |
Number of cases | 722 | 666
Claim amount | ₩ 884,402 | ₩ 805,227
As the plaintiff |  |
Litigation Case [Line Items] |  |
Number of cases | 264 | 268
Claim amount | ₩ 769,772 | ₩ 571,593

X
- Definition The amount of the estimated financial effect of contingent liabilities. [Refer: Classes of contingent liabilities [domain]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2024-01-01 -Paragraph 86 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=37&code=ifrs-tx-2024-en-r&anchor=para_86_a&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_EstimatedFinancialEffectOfContingentLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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

X
- Definition Number of cases. + References No definition available. + Details
Name: | kep_NumberOfCases
Namespace Prefix: | kep_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | srt_LitigationCaseAxis=kep_LitigationAsTheDefendantMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_LitigationCaseAxis=kep_LitigationAsThePlaintiffMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |