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Cashflows From Disposaled subsidiaries (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of Cashflows From Disposaled subsidiaries [Abstract] |  |  |
Consideration received in cash | ₩ 389 | ₩ 4 | ₩ 160
Less: cash and cash equivalents held by disposed subsidiaries | (1,656) | (97) | (175)
Net cash flow | ₩ (1,267) | ₩ (93) | ₩ (15)

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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 2020-01-01 -Paragraph 39 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_39&doctype=Standard -URIDate 2020-01-01 + Details
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- References No definition available. + Details
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- References No definition available. + Details
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- References No definition available. + Details
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