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Revenue - Summary of Revenue (Detail) - TRY (₺)
₺ in Thousands
12 Months Ended
Dec. 31, 2017
Dec. 31, 2016
Dec. 31, 2015
Revenue [abstract]      
Telecommunication services ₺ 15,115,816 ₺ 12,883,974 ₺ 11,972,443
Equipment revenues 1,159,500 624,352 254,582
Revenue from financial services 605,663 184,698  
Revenue and commission fees on betting business 355,907 284,496 277,525
Call center revenues 232,679 198,564 187,840
Other 162,499 109,477 77,025
Total revenue ₺ 17,632,064 ₺ 14,285,561 ₺ 12,769,415