v3.26.1
Income Tax Expense - Summary of Income Tax Expenses (Detail) - KRW (₩)
₩ in Millions
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Current tax expense:      
Current year ₩ 181,348 ₩ 392,192 ₩ 273,936
Current tax of prior years 102,033 (22,271) (11,590)
Current tax expense 283,381 369,921 262,346
Deferred tax expense:      
Changes in net deferred tax assets 63,796 4,749 79,896
Income tax expense      
Tax expense of continuing operation ₩ 347,177 ₩ 374,670 ₩ 342,242