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Investments in Associates and Joint Ventures - Changes in Investments in Associates and Joint Ventures (Parenthetical) (Detail) - KRW (₩) ₩ in Millions | Dec. 31, 2025 | Dec. 31, 2024
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Disclosure of Investments in Associates and Joint Ventures [line items] |  |
Investments in joint ventures | ₩ 3,135,535 | ₩ 3,106,407
Pt Nicole Metal Industry [Member] |  |
Disclosure of Investments in Associates and Joint Ventures [line items] |  |
Investments in joint ventures | ₩ 62,574 |

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- Definition The amount of investments in joint ventures in an entity's separate financial statements. [Refer: Total for all joint ventures [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 27 -IssueDate 2025-01-01 -Paragraph 10 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=27&code=ifrs-tx-2025-en-r&anchor=para_10&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition Disclosure of investments in associates and joint ventures. + References No definition available. + Details
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- Details
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