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Events After the Reporting Period - Additional Information (Detail) - KRW (₩)
₩ in Millions
12 Months Ended
Mar. 25, 2024
Feb. 07, 2024
Dec. 31, 2023
Dec. 31, 2021
Disclosure of non-adjusting events after reporting period [line items]        
Purchase of treasury shares   ₩ 27,100 ₩ 300,243 ₩ 190,105
Treasury Stocks Transactions [Member]        
Disclosure of non-adjusting events after reporting period [line items]        
Number of treasury stocks retired 695,775