XML 270 R255.htm IDEA: XBRL DOCUMENT
v3.23.1

Risk Management - Summary of Significant Unobservable Inputs Used in Fair Value Measurement of Liabilities (Details) | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Derivatives | Bottom of range |  |
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items] |  |
Borrowings, interest rate | 0.60% | (0.63%)
Derivatives | Top of range |  |
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items] |  |
Borrowings, interest rate | 7.93% | 3.88%
Borrowings and debt securities | Bottom of range |  |
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items] |  |
Borrowings, interest rate | 0.75% | (0.30%)
Borrowings and debt securities | Top of range |  |
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items] |  |
Borrowings, interest rate | 5.84% | 4.38%
Finance lease | Bottom of range |  |
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items] |  |
Borrowings, interest rate | 0.00% | 0.00%
Finance lease | Top of range |  |
Disclosure of significant unobservable inputs used in fair value measurement of liabilities [line items] |  |
Borrowings, interest rate | 17.08% | 16.83%

X
- Definition The interest rate on borrowings. [Refer: Borrowings] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 7 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_7&doctype=Standard -URIDate 2022-03-24 + Details
Name: | ifrs-full_BorrowingsInterestRate
Namespace Prefix: | ifrs-full_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfSignificantUnobservableInputsUsedInFairValueMeasurementOfLiabilitiesLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfFinancialLiabilitiesAxis=ifrs-full_DerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialLiabilitiesAxis=kep_BorrowingsAndDebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialLiabilitiesAxis=ifrs-full_LeaseLiabilitiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |