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Assets Held-for-Sale (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2020 | Dec. 31, 2019
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Assets Held-for-Sale [Abstract] |  |  |
Land |  | ₩ 0 | ₩ 23,002
Buildings |  | 1 | 193
Investments |  | 0 | 4,921
Others | [1] | 924 | 0
Assets Held-for-Sale |  | ₩ 925 | ₩ 28,116
[1] | As DG Fairhaven Power, LLC were sold after the end of the reporting period, the assets of DG Fairhaven Power, LLC were classified as assets held-for-sale.

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- Definition The amount of non-current assets or disposal groups classified as held for sale. [Refer: Disposal groups classified as held for sale [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 5 -IssueDate 2020-01-01 -Paragraph 38 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=5&code=ifrs-tx-2020-en-r&anchor=para_38&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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- References No definition available. + Details
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