Net Defined Benefit Liability (Asset) - Summary Of Changes In The Plan Assets (Details) - KRW (₩) ₩ in Millions |
12 Months Ended | ||||
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Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Changes in net defined benefit liability (asset) [abstract] | |||||
| Interest income | ₩ (2,014) | ₩ (14,022) | ₩ (18,867) | ||
| Remeasurements | [1] | 15,539 | 84,590 | 107,962 | |
| Plan assets | |||||
| Disclosure of net defined benefit liability (asset) [line items] | |||||
| Beginning balance | 1,892,290 | 1,807,408 | 1,661,623 | ||
| Changes in net defined benefit liability (asset) [abstract] | |||||
| Interest income | 78,326 | 84,981 | 91,550 | ||
| Remeasurements | (12,240) | (15,323) | (23,752) | ||
| Employer's contributions | 261,143 | 115,159 | 175,220 | ||
| Retirement benefit paid | (138,874) | (94,940) | (94,607) | ||
| Changes due to business combinations | 80,980 | 0 | 0 | ||
| Others | (4,462) | (4,995) | (2,626) | ||
| Ending balance | ₩ 2,157,163 | ₩ 1,892,290 | ₩ 1,807,408 | ||
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- References No definition available.
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- Definition The decrease (increase) in net defined benefit liability (asset) resulting from contributions to a defined benefit plan by the employer. [Refer: Net defined benefit liability (asset); Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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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. No definition available.
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- Definition The decrease (increase) in a net defined benefit liability (asset) resulting from the remeasurement of that net defined benefit liability (asset). [Refer: Net defined benefit liability (asset)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from business combinations and disposals. [Refer: Total for all business combinations [member]; Net defined benefit liability (asset)] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The increase (decrease) in the net defined benefit liability (asset) resulting from changes that the entity does not separately disclose in the same statement or note. [Refer: Net defined benefit liability (asset)] Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount of deficit or surplus in a defined benefit plan, adjusted for any effect of limiting a net defined benefit asset to the asset ceiling. [Refer: Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The decrease (increase) in the net defined benefit liability (asset) resulting from payments from the plan in respect of settlements. [Refer: Decrease (increase) in net defined benefit liability (asset) resulting from gains (losses) arising from settlements; Net defined benefit liability (asset); Defined benefit plans [domain]] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Details
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