v3.26.1
Income taxes (Details 5) - KRW (₩)
₩ in Thousands
Dec. 31, 2025
Dec. 31, 2024
IfrsStatementLineItems [Line Items]    
Total ₩ 36,359,342 ₩ 3,615,817
2026    
IfrsStatementLineItems [Line Items]    
Total
2027    
IfrsStatementLineItems [Line Items]    
Total
2028    
IfrsStatementLineItems [Line Items]    
Total
2029    
IfrsStatementLineItems [Line Items]    
Total 188,128
2030    
IfrsStatementLineItems [Line Items]    
Total 2,929,990
2031    
IfrsStatementLineItems [Line Items]    
Total
2032    
IfrsStatementLineItems [Line Items]    
Total 7,543,356 497,699
No Expiry Date [Member]    
IfrsStatementLineItems [Line Items]    
Total ₩ 28,815,986