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Transactions with Related Parties - Summary of Key Management Personnel Compensation (Details) - KRW (₩)
₩ in Millions
12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Related party transactions [abstract]      
Salaries ₩ 1,734 ₩ 1,503 ₩ 1,472