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Finance Income and Costs - Additional Information (Detail) - TRY (₺)
₺ in Thousands
 12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure of finance income and costs [line items]      
Net foreign exchange loss ₺ 2,695,045 ₺ 718,501 ₺ 782,463
Borrowings [member]      
Disclosure of finance income and costs [line items]      
Net foreign exchange loss 2,378,910    
Bonds [member]      
Disclosure of finance income and costs [line items]      
Net foreign exchange loss ₺ 1,335,308