XML 164 R149.htm IDEA: XBRL DOCUMENT
v3.19.1

Finance Lease Receivables (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Finance lease receivables of the Group as lessor [Line Items] |  |
Present value of minimum lease payment | ₩ 982,213 | ₩ 862,621
Gross amount |  |
Finance lease receivables of the Group as lessor [Line Items] |  |
Minimum lease payment | 1,925,452 | 1,829,172
Present value of minimum lease payment | 983,346 | 862,621
Gross amount | Not Later Than 1 Year |  |
Finance lease receivables of the Group as lessor [Line Items] |  |
Minimum lease payment | 124,918 | 49,542
Present value of minimum lease payment | 84,688 | 13,067
Gross amount | 1~5 Years |  |
Finance lease receivables of the Group as lessor [Line Items] |  |
Minimum lease payment | 467,518 | 381,181
Present value of minimum lease payment | 223,622 | 203,990
Gross amount | More than 5 years |  |
Finance lease receivables of the Group as lessor [Line Items] |  |
Minimum lease payment | 1,333,016 | 1,398,449
Present value of minimum lease payment | 675,036 | 645,564
Allowance for doubtful accounts |  |
Finance lease receivables of the Group as lessor [Line Items] |  |
Present value of minimum lease payment | ₩ (1,133) | ₩ 0

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

X
- Definition The present value of minimum finance lease payments receivable. Minimum lease payments are payments over the lease term that the lessee is or can be required to make, excluding contingent rent, costs for services and taxes to be paid by, and reimbursed to, the lessor, together with: (a) for a lessee, any amounts guaranteed by the lessee or by a party related to the lessee; or (b) for a lessor, any residual value guaranteed to the lessor by: (i) the lessee; (ii) a party related to the lessee; or (iii) a third party unrelated to the lessor that is financially capable of discharging the obligations under the guarantee. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2019-01-01 -Name IAS -Number 17 -IssueDate 2018-01-01 -Paragraph 47 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=17&date=2018-03-02&anchor=para_47_a&doctype=Standard&book=b -URIDate 2018-03-16 + Details
Name: | ifrs-full_MinimumFinanceLeasePaymentsReceivableAtPresentValue
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | kep_MinimumFinanceLeasePaymentsReceivable
Namespace Prefix: | kep_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=ifrs-full_GrossCarryingAmountMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_NotLaterThanOneYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanOneYearAndNotLaterThanFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanFiveYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=ifrs-full_AccumulatedImpairmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |