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Income Taxes - Summary of Deductible Temporary Differences, Tax Losses and Unused Tax Credits for Which No Deferred Income Tax Assets Were Recognized (Details) - KRW (₩) ₩ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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Disclosure of temporary difference, unused tax losses and unused tax credits [abstract] |  |
Deductible temporary differences | ₩ 1,381,532 | ₩ 1,539,980

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- Definition The amount of unused tax credits for which no deferred tax asset is recognised in the statement of financial position. [Refer: Unused tax credits [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 12 -IssueDate 2022-03-24 -Paragraph 81 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=12&code=ifrs-tx-2022-en-r&anchor=para_81_e&doctype=Standard -URIDate 2022-03-24 + Details
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