XML 263 R248.htm IDEA: XBRL DOCUMENT v3.25.1

Risk Management - Summary of Sensitivity Analysis for Provisions Assumptions (Parenthetical) (Details)	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Disclosure of Sensitivity analysis for provisions assumptions [Abstract]
Percentage of reasonably possible increase in provision assumption​	0.10%	0.10%
Percentage of reasonably possible decrease in provision assumption	0.10%	0.10%

X

- References

No definition available.

+ Details

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

X

- Definition

Percentage of reasonably possible decrease in provision assumption.

+ References

No definition available.

+ Details

Name:	kep_PercentageOfReasonablyPossibleDecreaseInProvisionAssumption
Namespace Prefix:	kep_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Percentage of reasonably possible increase in provision assumption​.

+ References

No definition available.

+ Details

Name:	kep_PercentageOfReasonablyPossibleIncreaseInProvisionAssumption
Namespace Prefix:	kep_
Data Type:	dtr-types:percentItemType
Balance Type:	na
Period Type:	duration