XML 281 R266.htm IDEA: XBRL DOCUMENT v3.23.1

Related Parties - Summary of Guarantees Received from Related Parties (Detail) - Kapes Inc [Member] ₩ in Millions	12 Months Ended
	Dec. 31, 2022 KRW (₩)
Performance Guarantees [Member]
Disclosure In Tabular Form Of Guarantees Provided To Related Parties [Line Items]
Credit limit	₩ 17,225
Defect Guarantees [Member]
Disclosure In Tabular Form Of Guarantees Provided To Related Parties [Line Items]
Credit limit	₩ 2,533

X

- Definition

The amount of guarantees or collateral provided to the entity in related party transactions. [Refer: Guarantees [member]; Related parties [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 24
-IssueDate 2022-03-24
-Paragraph 21
-Subparagraph h
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=24&code=ifrs-tx-2022-en-r&anchor=para_21_h&doctype=Standard
-URIDate 2022-03-24

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Disclosure in tabular form of guarantees provided to related parties.

+ References

No definition available.

+ Details

Name:	kep_DisclosureInTabularFormOfGuaranteesProvidedToRelatedPartiesLineItems
Namespace Prefix:	kep_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	kep_PrimaryGuarantorAxis=kep_KapesIncMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	kep_TypesOfGuaranteesAxis=kep_PerformanceGuaranteesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	kep_TypesOfGuaranteesAxis=kep_DefectGuaranteesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: