Share Capital and Capital Surplus and Others - Number of Authorized, Issued and Outstanding Common Shares and the Details of Capital Surplus and Others (Detail) - KRW (₩) ₩ / shares in Units, ₩ in Millions |
Dec. 31, 2025 |
Dec. 31, 2024 |
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| Disclosure of classes of share capital [abstract] | ||
| Number of authorized shares | 670,000,000 | 670,000,000 |
| Par value (in Won) | ₩ 100 | ₩ 100 |
| Number of issued shares | 214,790,053 | 214,790,053 |
| Share capital: | ||
| Common shares | ₩ 30,493 | ₩ 30,493 |
| Capital surplus and others: | ||
| Paid-in surplus | 1,771,000 | 1,771,000 |
| Treasury shares (note 24) | (88,533) | (92,962) |
| Hybrid bonds (Note 25) | 398,509 | 398,509 |
| Share option (note 26) | 14,511 | 14,498 |
| Others | (14,226,827) | (14,045,981) |
| Capital Surplus | ₩ (12,131,340) | ₩ (11,954,936) |
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- Definition The amount received or receivable from the issuance of the entity's shares in excess of nominal value and amounts received from other transactions involving the entity's stock or stockholders. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References No definition available.
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- Definition The nominal value of capital issued. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The number of shares authorised. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The number of shares issued by the entity. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition The amount of equity interest of an entity without share capital that the entity does not separately disclose in the same statement or note. Reference 1: http://www.xbrl.org/2003/role/exampleRef
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- Definition The nominal value per share. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition A component of equity resulting from share-based payments. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition An entity’s own equity instruments, held by the entity or other members of the consolidated group. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Capital surplus and others. No definition available.
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- Definition Capital Surplus Deficit and Others, Net. No definition available.
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- Definition Other capital surplus (deficit). No definition available.
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- Definition Disclosure of detailed information of share capital. No definition available.
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