v3.26.1
Financial Risk Management - Schedule of Financial Liabilities by Maturity (Details) - KRW (₩)
₩ in Millions
Dec. 31, 2025
Dec. 31, 2024
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable ₩ 65,742 ₩ 71,309
Accounts payable    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 56,684 63,548
Accrued expense    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 385 313
Other liabilities    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 8,673 7,448
Carrying value    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 65,380 70,982
Carrying value | Accounts payable    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 56,684 63,548
Carrying value | Accrued expense    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 385 313
Carrying value | Other liabilities    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 8,311 7,121
Less than 3 months    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 57,036 64,512
Less than 3 months | Accounts payable    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 55,483 63,153
Less than 3 months | Accrued expense    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 385 313
Less than 3 months | Other liabilities    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 1,168 1,046
3 months ~ 1 year    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 3,194 2,478
3 months ~ 1 year | Accounts payable    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 578 175
3 months ~ 1 year | Accrued expense    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 0 0
3 months ~ 1 year | Other liabilities    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 2,616 2,303
1~2 years    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 3,243 2,070
1~2 years | Accounts payable    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 623 220
1~2 years | Accrued expense    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 0 0
1~2 years | Other liabilities    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 2,620 1,850
2~3 years    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 1,863 1,257
2~3 years | Accounts payable    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 0 0
2~3 years | Accrued expense    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 0 0
2~3 years | Other liabilities    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 1,863 1,257
3~5 years    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 406 992
3~5 years | Accounts payable    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 0 0
3~5 years | Accrued expense    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable 0 0
3~5 years | Other liabilities    
Disclosure of maturity analysis for financial assets held for managing liquidity risk [line items]    
Other payable ₩ 406 ₩ 992