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Guarantees and Purchase Obligations - Additional Information (Detail)
₺ in Thousands, ₴ in Thousands
 12 Months Ended
Dec. 31, 2017
TRY (₺)
Dec. 31, 2017
UAH (₴)
Dec. 31, 2016
TRY (₺)
Disclosure of guarantees and purchase obligations [Line Items]      
Purchase commitments ₺ 592,956   ₺ 915,868
Purchase commitments settlement term 3 years    
Guarantees ₺ 4,926,916   ₺ 2,370,723
Lifecell 3G License [member]      
Disclosure of guarantees and purchase obligations [Line Items]      
Purchase commitments ₺ 29,269 ₴ 217,793