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Construction Contracts - Summary of Gross Amount of Assets and Liabilities for Contract and Accumulated Earned Revenue, Expense and Others (Details) - KRW (₩)
₩ in Millions
Dec. 31, 2023
Dec. 31, 2022
Accumulated earned revenue, expense and others    
Accumulated earned revenue ₩ 22,996,785 ₩ 22,507,004
Accumulated expense 22,382,628 21,666,552
Accumulated profit 614,157 840,452
Unearned advance receipts 74,253 29,877
Construction contracts    
Construction Contract Assets and Liabilities [Abstract]    
Assets [1] 183,204 118,983
Liabilities [2] ₩ 270,789 ₩ 120,952
[1] Included in trade and other receivables, net, in the consolidated statements of financial position. The balance of trade receivables from construction contracts are ￦85,757 million and ￦101,180 million, as of December 31, 2022 and 2023, respectively.
[2] Included in non-financial liabilities as advance received in the consolidated statements of financial position. The revenue recognized on December 31, 2023 from the amounts included in contract liabilities at the end of the prior year is ￦117,311 million.