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Intangible Assets - Turkcell 3G License - Additional Information (Detail) ₺ in Thousands, $ in Thousands |  | 12 Months Ended |
--- | --- | --- | ---
Apr. 30, 2009 USD ($) | Dec. 31, 2017 TRY (₺) | Dec. 31, 2016 TRY (₺) | Dec. 31, 2015 TRY (₺)
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Carrying amount of intangible asset |  | ₺ 8,340,410 | ₺ 8,235,989 | ₺ 8,232,637
Turkcell 3G license [member] |  |  |  |
Disclosure of detailed information about intangible assets [line items] |  |  |  |
Consideration paid for acquiring license | $ | $ 358,000 |  |  |
Amortization period of intangible asset |  | 25 years | 20 years |
Carrying amount of intangible asset |  | ₺ 436,014 | ₺ 474,486 |

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