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Financial Risk Management - Additional Information (Detail) $ in Thousands, ₩ in Millions | Dec. 31, 2022 KRW (₩) | Dec. 31, 2022 USD ($) | Dec. 31, 2021 KRW (₩)
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Disclosure of detailed information about financial instruments [line items] |  |  |
Amounts payable, related party transactions | ₩ 8,824 |  |
Maximum exposure to credit risk | 13,027,594 |  | ₩ 11,578,687
Financial guarantee contracts [member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Maximum exposure to credit risk | 26,206 |  | ₩ 71,697
IBK KT Emerging Digital Industry Investment Fund [Member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Investment In Related Party | 53,120 |  |
Future Innovation Private Equity Fund No.3 [Member] |  |  |
Disclosure of detailed information about financial instruments [line items] |  |  |
Amounts payable, related party transactions | ₩ 5,473 | $ 34,050 |

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- Definition The amount that best represents the maximum exposure to credit risk without taking into account any collateral held or other credit enhancements (for example, netting agreements that do not qualify for offset in accordance with IAS 32). [Refer: Credit risk [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 35K -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2022-en-r&anchor=para_35K_a&doctype=Standard -URIDate 2022-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2022-03-24 -Paragraph 36 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_36_a&doctype=Standard&book=b -URIDate 2022-03-24 + Details
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- Details
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- Details
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- Details
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