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Cashflows From Disposaled subsidiaries (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure of Cashflows From Disposaled subsidiaries [Line Items] |  |  |
Net cash flow of Disposaled subsidiaries | ₩ (15) | ₩ 0 | ₩ 0
Consideration received in cash |  |  |
Disclosure of Cashflows From Disposaled subsidiaries [Line Items] |  |  |
Net cash flow of Disposaled subsidiaries | 160 | 0 | 898
Less: cash held by disposed subsidiaries |  |  |
Disclosure of Cashflows From Disposaled subsidiaries [Line Items] |  |  |
Net cash flow of Disposaled subsidiaries | ₩ (175) | ₩ 0 | ₩ (898)

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- 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 2018-01-01 -Paragraph 39 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=7&date=2018-03-01&anchor=para_39&doctype=Standard -URIDate 2018-03-16 + Details
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Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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- Details
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- Details
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Namespace Prefix: |
Data Type: | na
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Period Type: |