v3.26.1
Share Capital and Capital Surplus and Others - Number of Authorized, Issued and Outstanding Common Shares and the Details of Capital Surplus and Others (Parenthetical) (Detail)
₩ in Millions
12 Months Ended
Dec. 31, 2025
KRW (₩)
Disclosure of classes of share capital [line items]  
Stockholders equity note spinoff transactions ₩ 13,340,037