v3.26.1
Defined Benefit Liabilities (Assets) - Details of Defined Benefit Liabilities (Assets) (Detail) - KRW (₩)
₩ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of defined benefit plans [abstract]    
Present value of defined benefit obligations ₩ 1,051,508 ₩ 1,142,324
Fair value of plan assets (1,256,985) (1,294,567)
Defined benefit assets (205,477) (154,329)
Defined benefit liabilities ₩ 0 ₩ 2,086