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Defined Contribution Plan - Additional Information (Detail) - KRW (₩)
₩ in Millions
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Classes of employee benefits expense [abstract]      
Defined Contribution plan recognized expenses ₩ 72,576 ₩ 71,068 ₩ 61,912