XML 126 R111.htm IDEA: XBRL DOCUMENT
v3.25.1

Reporting Entity (Description of the controlling company) - Additional Information (Details) - KRW (₩) ₩ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2024 | Dec. 31, 2023
Statements [Line Items] |  |
Name of reporting entity or other means of identification | Korea Electric Power Corporation and subsidiaries |
Name of parent entity | Korea Electric Power Corporation |
Entity Incorporation, Date of Incorporation | Incorporated on December 31, 1981 in accordance with the Korea Electric Power Corporation Act (the “KEPCO Act”)Incorporated on December 31, 1981 in accordance with the Korea Electric Power Corporation Act (the “KEPCO Act”) |
Description of nature of entity's operations and principal activities | Engage in the generation, transmission and distribution of electricity and development of electric power resources. KEPCO also provides power plant construction service |
Country of incorporation | Republic of Korea |
Information of listing on stock market | KEPCO’s stock was first listed on the Korea Stock Exchange on August 10, 1989 and subsequently on the New York Stock Exchange on October 27, 1994 through its depository receipts. |
Address of registered office of entity | KEPCO’s headquarters is located in Naju-si, Jeollanam-do. |
Issued capital | ₩ 3,209,820 | ₩ 3,209,820

X
- Definition The address at which the entity's office is registered. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 138 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_138_a&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_AddressOfRegisteredOfficeOfEntity
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The country in which the entity is incorporated. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 138 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_138_a&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_CountryOfIncorporation
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The description of the nature of the entity's operations and principal activities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 138 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_138_b&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_DescriptionOfNatureOfEntitysOperationsAndPrincipalActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The nominal value of capital issued. + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 78 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_78_e&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_IssuedCapital
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The name of the entity's parent. [Refer: Parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2024-01-01 -Paragraph 13 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2024-en-r&anchor=para_13&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 138 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_138_c&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_NameOfParentEntity
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The name of the reporting entity or other means of identification. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2024-01-01 -Paragraph 51 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_51_a&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_NameOfReportingEntityOrOtherMeansOfIdentification
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of entity incorporation date of incorporation. + References No definition available. + Details
Name: | kep_DescriptionOfEntityIncorporationDateOfIncorporation
Namespace Prefix: | kep_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Information of listing on stock market. + References No definition available. + Details
Name: | kep_InformationOfListingOnStockMarket
Namespace Prefix: | kep_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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