Income Tax Expense - Difference Between Income Taxes Computed using the Statutory Corporate Income Tax Rates and the Recorded Income Taxes (Detail) - KRW (₩) ₩ in Millions |
12 Months Ended | ||
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Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
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| Reconciliation of average effective tax rate and applicable tax rate [abstract] | |||
| Income taxes at statutory income tax rate | ₩ 172,771 | ₩ 450,819 | ₩ 382,517 |
| Non-taxable income | (10,095) | (9,843) | (3,091) |
| Non-deductible expenses | 64,361 | 15,216 | 15,725 |
| Tax credit and tax reduction | (26,708) | (26,204) | (64,829) |
| Changes in unrecognized deferred taxes | (12,997) | (37,958) | 14,354 |
| Changes in estimates related to prior years and others | 111,781 | (18,340) | (5,878) |
| Changes in tax rate | 48,064 | 980 | 3,444 |
| Income tax expense | ₩ 347,177 | ₩ 374,670 | ₩ 342,242 |
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- References Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- References No definition available.
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- Definition The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to changes in the tax rate. [Refer: Accounting profit] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to expenses not deductible in determining taxable profit (tax loss). [Refer: Accounting profit] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The amount that represents the difference between the tax expense (income) and the product of the accounting profit multiplied by the applicable tax rate(s) that relates to revenues that are exempt from taxation. [Refer: Accounting profit] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The product of the accounting profit multiplied by the applicable tax rate(s). [Refer: Accounting profit; Applicable tax rate] Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Change in unrecognized deferred tax assets. No definition available.
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- Definition Tax effect of changes in estimates related to prior years and others. No definition available.
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- Definition Tax credit and tax reduction. No definition available.
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