XML 286 R273.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Statement of Cash Flows - Summary of Significant Non-cash Activities (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Transfer from construction-in-progress to other assets |  |  |
Non Cash Transactions [Line Items] |  |  |
Non-cash transactions | ₩ 10,090,726 | ₩ 13,723,972 | ₩ 12,902,589
Recognition of asset retirement cost and related provision for decommissioning costs |  |  |
Non Cash Transactions [Line Items] |  |  |
Non-cash transactions | (292,120) | 3,497,866 | 2,356,805
Transfer from provision for disposal of spent nuclear fuel to accrued expenses |  |  |
Non Cash Transactions [Line Items] |  |  |
Non-cash transactions | 379,011 | 417,687 | 455,401
Transfer from long-term borrowings and debt securities to current portion of long-term borrowings and debt securities |  |  |
Non Cash Transactions [Line Items] |  |  |
Non-cash transactions | 30,454,012 | 13,838,578 | 11,109,271
Transfer from inventory to stored nuclear fuel |  |  |
Non Cash Transactions [Line Items] |  |  |
Non-cash transactions | 827,279 | 738,720 | 908,842
Transfer of right-of-use assets due to change in accounting policy and others |  |  |
Non Cash Transactions [Line Items] |  |  |
Non-cash transactions | ₩ 261,862 | ₩ 197,016 | ₩ 78,213

X
- Definition Adjustments for non-cash items to reconcile profit (loss) to net cash flow from (used in) operating activities that the entity does not separately disclose in the same statement or note. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 20 -Subparagraph b -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_20_b&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_OtherAdjustmentsForNoncashItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Non cash transactions. + References No definition available. + Details
Name: | kep_NonCashTransactionsLineItems
Namespace Prefix: | kep_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | kep_NonCashTransactionsAxis=ifrs-full_ConstructionInProgressMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_NonCashTransactionsAxis=ifrs-full_ProvisionForDecommissioningRestorationAndRehabilitationCostsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_NonCashTransactionsAxis=kep_AccrualsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_NonCashTransactionsAxis=ifrs-full_LongtermBorrowingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_NonCashTransactionsAxis=kep_InventoriesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | kep_NonCashTransactionsAxis=ifrs-full_RightofuseAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |