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Finance Income and Costs - Summary of Finance Income and Costs (Detail) - TRY (₺)
₺ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure Of Finance Income And Costs [abstract]      
Interest income ₺ 288,010 ₺ 395,045 ₺ 278,599
Net fair value gains on derivative financial instruments and interest   654,933 317,542
Cash flow hedges - reclassified to profit or loss   568,370  
Other 9,440 58,766 1,105
Finance income 297,450 1,677,114 597,246
Net foreign exchange losses (1,039,618) (2,695,045) (718,501)
Net interest expenses for financial assets and liabilities measured at amortized cost (864,492) (552,101) (193,311)
Net fair value gains on derivative financial instruments and interest (550,438)    
Cash flow hedges - reclassified to profit or loss 461,133    
Other (31,703) (116,926) (8,300)
Finance costs (2,025,118) (3,364,072) (920,112)
Net finance costs ₺ (1,727,668) ₺ (1,686,958) ₺ (322,866)