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v3.26.1

Equity - Acquisition of treasury stock (Details) - KRW (₩) ₩ in Millions |  |  |  |  | 12 Months Ended
--- | --- | --- | --- | --- | ---
Jun. 26, 2025 | Apr. 29, 2025 | Nov. 01, 2024 | Mar. 22, 2024 | Dec. 31, 2025 | Dec. 31, 2024 | Dec. 31, 2023
Acquisition Of Treasury Stock [Line Items] |  |  |  |  |  |  |
Acquisition |  |  |  |  | ₩ 1,250,001 | ₩ 700,000 | ₩ 485,947
Retirement |  |  |  |  | (70) | (102) | (81)
Treasury shares |  |  |  |  |  |  |
Acquisition Of Treasury Stock [Line Items] |  |  |  |  |  |  |
Beginning balance |  |  |  |  | 250,000 | 227 |
Acquisition |  |  |  |  | 1,250,001 | 700,000 |
Disposal |  |  |  |  |  | (227) |
Retirement |  |  |  |  | (900,000) | (450,000) |
Ending balance |  |  |  |  | ₩ 600,001 | ₩ 250,000 | ₩ 227
Beginning number of share |  |  |  |  | 4,585,561 | 6,352 |
Acquisition (share) |  |  |  |  | 21,702,365 | 13,899,708 |
Disposal (share) |  |  |  |  |  | (6,353) |
Retirement (share) | 10,347,131 | 7,603,260 | 5,947,889 | 3,366,257 | (17,950,391) | (9,314,146) |
Ending number of share |  |  |  |  | 8,337,535 | 4,585,561 | 6,352

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- Definition The amount of treasury stock cancelled during the period. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 106 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition The number of shares issued by the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 106 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition The decrease in equity resulting from the purchase of treasury shares. [Refer: Treasury shares] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 106 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_106_d&doctype=Standard -URIDate 2025-03-27 + Details
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- Definition An entity’s own equity instruments, held by the entity or other members of the consolidated group. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 32 -IssueDate 2025-01-01 -Paragraph 34 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=32&code=ifrs-tx-2025-en-r&anchor=para_34&doctype=Standard -URIDate 2025-03-27 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Note Effective 2027-01-01 -Name IFRS -Number 19 -IssueDate 2025-01-01 -Paragraph B9 -Subparagraph f -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=19&code=ifrs-tx-2025-en-r&anchor=para_B9_f&doctype=Appendix&subtype=B -URIDate 2025-03-27 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Note Expiry date 2027-01-01 -Name IAS -Number 1 -IssueDate 2025-01-01 -Paragraph 78 -Subparagraph e -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2025-en-b&anchor=para_78_e&doctype=Standard -URIDate 2025-03-27 + Details
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