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Equity - Summary of Shareholding Percentage (Detail) - TRY (₺) ₺ in Thousands | Dec. 31, 2017 | Dec. 31, 2016
--- | --- | ---
Disclosure of classes of share capital [line items] |  |
Shareholding percentage | 100.00% | 100.00%
Share capital | ₺ 2,200,000 | ₺ 2,200,000
Inflation adjustment to share capital | (52,352) | (52,352)
Inflation adjusted capital | ₺ 2,147,648 | ₺ 2,147,648
Turkcell Holding [member] |  |
Disclosure of classes of share capital [line items] |  |
Shareholding percentage | 51.00% | 51.00%
Share capital | ₺ 1,122,000 | ₺ 1,122,000
Public share [member] |  |
Disclosure of classes of share capital [line items] |  |
Shareholding percentage | 48.95% | 48.95%
Share capital | ₺ 1,077,004 | ₺ 1,077,004
Other [member] |  |
Disclosure of classes of share capital [line items] |  |
Shareholding percentage | 0.05% | 0.05%
Share capital | ₺ 996 | ₺ 996

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