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Construction Services Contracts, Continued (Details) - KRW (₩)
₩ in Millions
Dec. 31, 2018
Dec. 31, 2017
Accumulated earned revenue, expense and others    
Accumulated earned revenue ₩ 19,801,220 ₩ 18,236,992
Accumulated expense 18,651,188 16,937,772
Accumulated profit 1,150,032 1,299,220
Unearned advance receipts 0 0
Contract with Customer, Asset and Liability    
Assets [1] 36,232 55,755
Liabilities [2] ₩ 350,460 ₩ 542,921
[1] Included in trade and other receivables, net, in the consolidated statements of financial position.
[2] Included in non-financial liabilities in the consolidated statements of financial position.