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Subsidiaries - Schedule of Subsidiaries (Detail) | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016
Kibris Telekom [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Kibris Telekom |
Country of Incorporation | Turkish Republic of Northern Cyprus |
Business | Telecommunications |
Effective Ownership Interest | 100.00% | 100.00%
Turkcell Global Bilgi [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Turkcell Global Bilgi |
Country of Incorporation | Turkey |
Business | Customer relations management |
Effective Ownership Interest | 100.00% | 100.00%
Turktell [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Turktell |
Country of Incorporation | Turkey |
Business | Information technology, value added GSM services and entertainment investments |
Effective Ownership Interest | 100.00% | 100.00%
Turkcell Superonline [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Turkcell Superonline |
Country of Incorporation | Turkey |
Business | Telecommunications, television services and content services |
Effective Ownership Interest | 100.00% | 100.00%
Turkcell Satis [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Turkcell Satis |
Country of Incorporation | Turkey |
Business | Sales and delivery |
Effective Ownership Interest | 100.00% | 100.00%
Eastasia [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Eastasia |
Country of Incorporation | Netherlands |
Business | Telecommunications investments |
Effective Ownership Interest | 100.00% | 100.00%
Turkcell Teknoloji [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Turkcell Teknoloji |
Country of Incorporation | Turkey |
Business | Research and development |
Effective Ownership Interest | 100.00% | 100.00%
Global Tower [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Global Tower |
Country of Incorporation | Turkey |
Business | Telecommunications infrastructure business |
Effective Ownership Interest | 100.00% | 100.00%
Financell [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Financell |
Country of Incorporation | Netherlands |
Business | Financing business |
Effective Ownership Interest | 100.00% | 100.00%
Rehberlik [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Rehberlik |
Country of Incorporation | Turkey |
Business | Directory Assistance |
Effective Ownership Interest | 100.00% | 100.00%
Lifecell Ventures [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Lifecell Ventures |
Country of Incorporation | Netherlands |
Business | Telecommunications investments |
Effective Ownership Interest | 100.00% | 100.00%
Beltel [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Beltel |
Country of Incorporation | Turkey |
Business | Telecommunications investments |
Effective Ownership Interest | 100.00% | 100.00%
Turkcell Gayrimenkul [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Turkcell Gayrimenkul |
Country of Incorporation | Turkey |
Business | Property investments |
Effective Ownership Interest | 100.00% | 100.00%
Global LLC [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Global LLC |
Country of Incorporation | Ukraine |
Business | Customer relations management |
Effective Ownership Interest | 100.00% | 100.00%
UkrTower [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | UkrTower |
Country of Incorporation | Ukraine |
Business | Telecommunications infrastructure business |
Effective Ownership Interest | 100.00% | 100.00%
Turkcell Europe [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Turkcell Europe |
Country of Incorporation | Germany |
Business | Telecommunications |
Effective Ownership Interest | 100.00% | 100.00%
Turkcell Odeme [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Turkcell Odeme |
Country of Incorporation | Turkey |
Business | Payment services and e-money licence |
Effective Ownership Interest | 100.00% | 100.00%
Lifecell [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Lifecell |
Country of Incorporation | Ukraine |
Business | Telecommunications |
Effective Ownership Interest | 100.00% | 100.00%
Turkcell Finansman [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Turkcell Finansman |
Country of Incorporation | Turkey |
Business | Consumer financing services |
Effective Ownership Interest | 100.00% | 100.00%
Beltower [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Beltower |
Country of Incorporation | Republic of Belarus |
Business | Telecommunications Infrastructure business |
Effective Ownership Interest | 100.00% | 100.00%
Turkcell Enerji [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Turkcell Enerji |
Country of Incorporation | Turkey |
Business | Electricity energy trade and wholesale and retail electricity sales |
Effective Ownership Interest | 100.00% |
Paycell [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Paycell |
Country of Incorporation | Ukraine |
Business | Payment services and e-money licence |
Effective Ownership Interest | 100.00% |
Lifecell Digital [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Lifecell Digital |
Country of Incorporation | Turkish Republic of Northern Cyprus |
Business | Telecommunications |
Effective Ownership Interest | 100.00% |
Belarusian Telecom [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Belarusian Telecom |
Country of Incorporation | Republic of Belarus |
Business | Telecommunications |
Effective Ownership Interest | 80.00% | 80.00%
Lifetech [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Lifetech |
Country of Incorporation | Republic of Belarus |
Business | Research and development |
Effective Ownership Interest | 80.00% | 80.00%
Inteltek [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Inteltek |
Country of Incorporation | Turkey |
Business | Information and Entertainment Services |
Effective Ownership Interest | 55.00% | 55.00%
Azerinteltek [member] |  |
Disclosure of subsidiaries [line items] |  |
Name of Subsidiaries | Azerinteltek |
Country of Incorporation | Azerbaijan |
Business | Information and Entertainment Services |
Effective Ownership Interest | 28.00% | 28.00%

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