XML 221 R208.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Deferred Revenues (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Disclosure of deferred revenue [abstract] |  |
Deferred Revenue, Beginning Balance | ₩ 10,974,845 | ₩ 10,356,555
Increase | 1,317,061 | 1,330,129
Recognized as revenue | (743,051) | (711,839)
Deferred Revenue, Ending Balance | ₩ 11,548,855 | ₩ 10,974,845

X
- Definition Deferred revenue. + References No definition available. + Details
Name: | kep_DeferredRevenue
Namespace Prefix: | kep_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | kep_DisclosureOfDeferredRevenueAbstract
Namespace Prefix: | kep_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Increase deferred revenue. + References No definition available. + Details
Name: | kep_IncreaseDeferredRevenue
Namespace Prefix: | kep_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Recognized as revenue deferred revenue. + References No definition available. + Details
Name: | kep_RecognizedAsRevenueDeferredRevenue
Namespace Prefix: | kep_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration