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Provisions - Summary of Provisions (Detail) - KRW (₩) ₩ in Millions | Dec. 31, 2025 | Dec. 31, 2024
--- | --- | ---
Disclosure of other provisions [line items] |  |
Current | ₩ 571,648 | ₩ 396,030
Non-current | 650,329 | 580,559
Provision for bonus payments [member] |  |
Disclosure of other provisions [line items] |  |
Current | 119,010 | 121,757
Non-current | 101,039 | 70,104
Provision for construction warranties [member] |  |
Disclosure of other provisions [line items] |  |
Current | 39,393 | 49,659
Non-current | 148,673 | 137,201
Provision for legal contingencies and claims [member] |  |
Disclosure of other provisions [line items] |  |
Current | 5,685 | 17,960
Non-current | 45,363 | 78,486
Provision for the restoration [member] |  |
Disclosure of other provisions [line items] |  |
Current | 2,979 | 10,041
Non-current | 196,651 | 197,810
Others [member] |  |
Disclosure of other provisions [line items] |  |
Current | 404,581 | 196,613
Non-current | ₩ 158,603 | ₩ 96,958

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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
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- Definition The amount of non-current provisions other than provisions for employee benefits. [Refer: Non-current provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph B9 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B9_e&doctype=Appendix&subtype=B -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 78 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_d&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition The amount of current provisions other than provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph B9 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B9_e&doctype=Appendix&subtype=B -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 78 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_d&doctype=Standard -URIDate 2025-03-27 + Details
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