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v3.25.1

Trade and Other Receivables - Additional Information (Details) | Dec. 31, 2024
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Trade and other receivables [abstract] |
Percentage of interest rate applied on the overdue trade receivables | 1.50%

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- References No definition available. + Details
Name: | ifrs-full_TradeAndOtherReceivablesAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Definition Percentage of interest rate on the overdue trade receivables. + References No definition available. + Details
Name: | kep_PercentageOfInterestRateOnTheOverdueTradeReceivables
Namespace Prefix: | kep_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant