XML 122 R88.htm IDEA: XBRL DOCUMENT
v3.20.1

Non-financial Liabilities (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2019
Other Liabilities Disclosure [Abstract] |
Non-financial Liabilities | Non-financial liabilities as of December 31, 2018 and 2019 are as follows:
|  |  |  |  | 2018 |  |  | 2019 |
|  |  |  |  | Current |  |  | Non-current |  |  | Current |  |  | Non-current |
|  |  |  |  | In millions of won |
Advance received |  | ￦ |  |  |  |  | 3,724,238 |  |  |  | 80,937 |  |  |  | 3,825,240 |  |  |  | 192,863 |
Unearned revenue |  |  |  |  |  |  | 63,038 |  |  |  | 4,690 |  |  |  | 30,988 |  |  |  | 6,589 |
Deferred revenue |  |  |  |  |  |  | 556,072 |  |  |  | 8,050,491 |  |  |  | 590,928 |  |  |  | 8,610,610 |
Withholdings |  |  |  |  |  |  | 172,454 |  |  |  | 10,856 |  |  |  | 160,977 |  |  |  | 10,901 |
Others |  |  |  |  |  |  | 1,058,239 |  |  |  | 13,059 |  |  |  | 1,080,220 |  |  |  | 13,489 |
|  | ￦ |  |  |  |  | 5,574,041 |  |  |  | 8,160,033 |  |  |  | 5,688,353 |  |  |  | 8,834,452 |

X
- References No definition available. + Details
Name: | kep_DetailsOfOtherLiabilitiesExplanatory
Namespace Prefix: | kep_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration

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