XML 192 R177.htm IDEA: XBRL DOCUMENT v3.25.1

Intangible Assets other than Goodwill - Additional Information (Details) - KRW (₩) ₩ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Research And Development Expenses [Abstract]
Research and development expense	₩ 773,931	₩ 717,561	₩ 727,810

X

- Definition

The amount of expenditure directly attributable to research or development activities, recognised in profit or loss.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 38
-IssueDate 2024-01-01
-Paragraph 126
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=38&code=ifrs-tx-2024-en-r&anchor=para_126&doctype=Standard
-URIDate 2024-03-27

+ Details

Name:	ifrs-full_ResearchAndDevelopmentExpense
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Research and development expenses.

+ References

No definition available.

+ Details

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