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Share Capital - Summary of Share Capital (Detail)
₩ in Millions
Dec. 31, 2023
KRW (₩)
shares
Dec. 31, 2023
$ / shares
Dec. 31, 2022
KRW (₩)
shares
Dec. 31, 2022
$ / shares
Disclosure of classes of share capital [Line Items]        
Ordinary Shares ₩ 1,564,499   ₩ 1,564,499  
Ordinary shares [member]        
Disclosure of classes of share capital [Line Items]        
Number of issued shares | shares 257,860,760   261,111,808  
Par value per share | $ / shares   $ 5,000   $ 5,000
Ordinary Shares ₩ 1,564,499   ₩ 1,564,499