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Other Financial Assets and Liabilities - Summary of Derivative Financial Assets and Liabilities (Detail) - KRW (₩)
₩ in Millions
Dec. 31, 2022
Dec. 31, 2021
Disclosure of detailed information about financial instruments [line items]    
Assets, Total ₩ 190,830 ₩ 99,453
Less: Assets, non-current (147,141) (67,889)
Assets, Current 43,689 31,564
Liabilities, Total 33,555 18,126
Less: Liabilities, non-current (33,555) (242)
Liabilities, Current 0 17,884
Interest rate swap [member]    
Disclosure of detailed information about financial instruments [line items]    
Assets, Total 4,236 0
Liabilities, Total 0 77
Currency swap [member]    
Disclosure of detailed information about financial instruments [line items]    
Assets, Total 186,594 99,453
Liabilities, Total ₩ 33,555 ₩ 18,049