Operating Segments - Additional Information (Detail) - KRW (₩) ₩ in Millions |
12 Months Ended | ||
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Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Disclosure of operating segments [line items] | |||
| Revenue | ₩ 17,099,213 | ₩ 17,940,609 | ₩ 17,608,511 |
| Domestic [member] | |||
| Disclosure of operating segments [line items] | |||
| Revenue | 17,096,000 | 17,936,000 | 17,602,000 |
| Non-current assets | 17,281,000 | 18,230,000 | 19,285,000 |
| Outside of Korea [member] | |||
| Disclosure of operating segments [line items] | |||
| Non-current assets | ₩ 5,000 | ₩ 3,000 | ₩ 3,000 |
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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 amount of non-current assets other than financial instruments, deferred tax assets, post-employment benefit assets and rights arising under insurance contracts. [Refer: Deferred tax assets; Classes of financial instruments [domain]; Non-current assets] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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