XML 225 R213.htm IDEA: XBRL DOCUMENT v3.22.1

Contributed Capital - Summary of Share Premium (Details) - KRW (₩) ₩ in Millions	Dec. 31, 2021	Dec. 31, 2020
Share Premium [Abstract]
Share premium	₩ 843,758	₩ 843,758

X

- Definition

The amount received or receivable from the issuance of the entity's shares in excess of nominal value.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 1
-IssueDate 2021-01-01
-Paragraph 78
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_e&doctype=Standard
-URIDate 2021-03-24

+ Details

Name:	ifrs-full_SharePremium
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Share premium [abstract].

+ References

No definition available.

+ Details

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