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Deferred Tax Assets and Liabilities - Summary of Movement in Temporary Differences (Detail) - TRY (₺)
₺ in Thousands
12 Months Ended
Dec. 31, 2018
Dec. 31, 2017
Disclosure of temporary difference, unused tax losses and unused tax credits [abstract]    
Opening balance ₺ (555,062) ₺ (406,905)
IFRS 9 and 15 effects (141,213)  
Income statement charge 159,472 (133,791)
Tax charge relating to components of other comprehensive income (157,203) (6,449)
Prior year corporate tax base differences (8,608) (2,729)
Exchange differences (7,014) (5,188)
Closing balance, net ₺ (709,628) ₺ (555,062)