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Intangible Assets - Summary of Changes in Intangible Assets (Parenthetical) (Details) - KRW (₩)
₩ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of detailed information about intangible assets [abstract]      
Impairment loss ₩ 293 ₩ 281 ₩ 115