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Intangible Assets - Additional Information (Detail) - TRY (₺)
₺ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure of detailed information about intangible assets [line items]      
Amortization expenses on intangible assets other than goodwill ₺ 1,920,756 ₺ 1,580,319 ₺ 1,095,401
Impairment losses on intangible assets 2,540 3,232 1,986
Internally generated [member] | Computer software [member]      
Disclosure of detailed information about intangible assets [line items]      
Capitalized cost 206,064 171,442  
Amortization expense ₺ 47,591 ₺ 40,934 ₺ 37,532