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Segment Information - Summary of Geographical Information (Detail) - TRY (₺)
₺ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Disclosure of geographical areas [line items]      
Total revenue ₺ 25,137,135 ₺ 21,292,475 ₺ 17,632,064
Non-current assets 26,382,831 24,428,166  
Turkey [member]      
Disclosure of geographical areas [line items]      
Total revenue 23,229,046 19,636,682 16,431,863
Non-current assets 22,737,468 21,037,351  
Ukraine [member]      
Disclosure of geographical areas [line items]      
Total revenue 1,322,116 923,181 664,643
Non-current assets 3,030,095 2,751,277  
Belarus [member]      
Disclosure of geographical areas [line items]      
Total revenue 366,314 293,181 209,884
Non-current assets 219,281 293,622  
Turkish Republic of Northern Cyprus [member]      
Disclosure of geographical areas [line items]      
Total revenue 209,109 169,014 148,637
Non-current assets 198,732 177,380  
Netherlands [member]      
Disclosure of geographical areas [line items]      
Total revenue 8,396 366  
Germany [member]      
Disclosure of geographical areas [line items]      
Total revenue 2,154 1,580 3,016
Non-current assets ₺ 197,255 168,536  
Azerbaijan [member]      
Disclosure of geographical areas [line items]      
Total revenue   ₺ 268,471 ₺ 174,021