XML 238 R225.htm IDEA: XBRL DOCUMENT v3.26.1
Leases - Summary of the right-of-use assets by the lessee's underlying asset type (Details) - KRW (₩)
₩ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of quantitative information about right-of-use assets [line items]    
Right-of-use assets ₩ 768,027 ₩ 875,250
Real estate    
Disclosure of quantitative information about right-of-use assets [line items]    
Right-of-use assets 735,414 836,925
Vehicle    
Disclosure of quantitative information about right-of-use assets [line items]    
Right-of-use assets 21,122 25,993
Others    
Disclosure of quantitative information about right-of-use assets [line items]    
Right-of-use assets 11,491 12,332
Acquisition cost    
Disclosure of quantitative information about right-of-use assets [line items]    
Right-of-use assets 1,782,396 1,717,665
Acquisition cost | Real estate    
Disclosure of quantitative information about right-of-use assets [line items]    
Right-of-use assets 1,687,919 1,621,125
Acquisition cost | Vehicle    
Disclosure of quantitative information about right-of-use assets [line items]    
Right-of-use assets 56,741 57,737
Acquisition cost | Others    
Disclosure of quantitative information about right-of-use assets [line items]    
Right-of-use assets 37,736 38,803
Accumulated depreciation    
Disclosure of quantitative information about right-of-use assets [line items]    
Right-of-use assets (1,014,369) (842,415)
Accumulated depreciation | Real estate    
Disclosure of quantitative information about right-of-use assets [line items]    
Right-of-use assets (952,505) (784,200)
Accumulated depreciation | Vehicle    
Disclosure of quantitative information about right-of-use assets [line items]    
Right-of-use assets (35,619) (31,744)
Accumulated depreciation | Others    
Disclosure of quantitative information about right-of-use assets [line items]    
Right-of-use assets ₩ (26,245) ₩ (26,471)