v3.26.1
Reconciliation of Liabilities Arising from Financing Activities (Detail) - KRW (₩)
₩ in Millions
12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Statement of cash flows [abstract]      
Payments of cash dividends ₩ (628,359) ₩ (804,317) ₩ (773,806)
Payments of interest on hybrid bonds (19,800) (19,800) (17,283)
Acquisition of treasury shares   (15,788) (285,487)
Cash inflow from transactions with the non-controlling shareholders 92 15,717  
Cash outflow from transactions with the non-controlling shareholders (1,145,870) (133,393)  
Cash flow from other financing activities (1,793,937) (957,581)  
Cash flows from financing activities ₩ (2,711,763) ₩ (1,809,853) ₩ (2,020,990)