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Other Income and Expenses - Summary of Details of Other Income (Details) - KRW (₩) ₩ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Other Income And Expense [Abstract] |  |  |
Gain on disposal of property and equipment | ₩ 7 | ₩ 0 | ₩ 3
Reversal of other bad debt allowances | 0 | 2 | 35
Miscellaneous gain | 600 | 656 | 315
Total | ₩ 607 | ₩ 658 | ₩ 353

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- Definition Bad debt expenses reversal of other bad debt allowances. + References No definition available. + Details
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- Definition The gain on the disposal of property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 98 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_98_c&doctype=Standard -URIDate 2021-03-24 + Details
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