XML 159 R144.htm IDEA: XBRL DOCUMENT v3.8.0.1

Cashflows From Disposaled subsidiaries (Details) ₩ in Millions	12 Months Ended
	Dec. 31, 2016 KRW (₩)
Net cash flow of Disposaled subsidiaries [Member]
Disclosure of Cashflows From Disposaled subsidiaries [Line Items]
Net cash flow of Disposaled subsidiaries	₩ 0
Consideration received in cash [Member]
Disclosure of Cashflows From Disposaled subsidiaries [Line Items]
Net cash flow of Disposaled subsidiaries	898
Less: cash held by disposed subsidiaries [Member]
Disclosure of Cashflows From Disposaled subsidiaries [Line Items]
Net cash flow of Disposaled subsidiaries	₩ (898)

X

- Definition

The aggregate cash flows arising from losing control of subsidiaries or other businesses, classified as investing activities. [Refer: Subsidiaries [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 7
-IssueDate 2017-01-01
-Paragraph 39
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2017-03-01&anchor=para_39&doctype=Standard
-URIDate 2017-03-09

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- References

No definition available.

+ Details

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Namespace Prefix:	kep_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=kep_ConsiderationReceivedInCashMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_SignificantInvestmentsInSubsidiariesAxis=kep_LessCashHeldByDisposedSubsidiariesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: