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Trade and Other Receivables - Trade and Other Receivables (Parenthetical) (Details) - Finance lease receivables - KRW (₩)
₩ in Millions
Dec. 31, 2022
Dec. 31, 2021
Non-current assets    
Trade and Other Receivables [Line Items]    
Unearned finance income relating to finance lease payments receivable   ₩ 1,082,712
Current assets    
Trade and Other Receivables [Line Items]    
Unearned finance income relating to finance lease payments receivable ₩ 114,347 ₩ 111,915
Non-current assets    
Trade and Other Receivables [Line Items]    
Unearned finance income relating to finance lease payments receivable ₩ 1,024,927