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Trade and Other Receivables - Details of Trade and Other Receivables (Parenthetical) (Detail) - KRW (₩)
₩ in Millions
Dec. 31, 2022
Dec. 31, 2021
Gross and carrying amounts of accounts receivable other [member]    
Disclosure of financial assets [line items]    
Financial instruments classified as FVTPL ₩ 332,669 ₩ 459,959