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Financial Risk Management - Summary of Group's Recognized Financial Liabilities Subject to Enforceable Master Netting Arrangements or Similar Agreements (Detail) - KRW (₩)
₩ in Millions
Dec. 31, 2022
Dec. 31, 2021
Disclosure of offsetting of financial liabilities [Line Items]    
Gross liabilities ₩ 47,271 ₩ 69,944
Gross assets offset (764)  
Net amounts presented in the statement of financial position 46,507 69,955
Amounts not offset, Financial instruments (44,518) (65,592)
Net amount 1,989 4,352
Trade payables [member]    
Disclosure of offsetting of financial liabilities [Line Items]    
Gross liabilities 47,271 69,944
Gross assets offset (764)  
Net amounts presented in the statement of financial position 46,507 69,944
Amounts not offset, Financial instruments (44,518) (65,592)
Net amount ₩ 1,989 ₩ 4,352