XML 229 R216.htm IDEA: XBRL DOCUMENT v3.26.1
Investment properties - Summary of investment properties (Details) - KRW (₩)
₩ in Millions
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Investment properties, net [Line Items]      
Investment properties ₩ 611,620 ₩ 327,696 ₩ 257,806
Acquisition cost      
Investment properties, net [Line Items]      
Investment properties 808,759 495,844  
Accumulated depreciation      
Investment properties, net [Line Items]      
Investment properties (196,398) (168,148)  
Accumulated impairment losses      
Investment properties, net [Line Items]      
Investment properties ₩ (741) ₩ 0