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Subsidiaries - Schedule of Subsidiaries, Associates and Joint Venture (Detail) | Dec. 31, 2021 | Jul. 06, 2021 | Dec. 31, 2020
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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 Dijital [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Name of Subsidiaries | Turkcell Dijital (*) |  |
Country of Incorporation | Turkey |  |
Business | Digitalization services and products |  |
Effective Ownership Interest | 100.00% |  |
Turkcell Satis [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Name of Subsidiaries | Turkcell Satis |  |
Country of Incorporation | Turkey |  |
Business | Sales, delivery and digital sales services |  |
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%
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%
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% | 100.00% | 100.00%
Boyut Enerji |  |  |
Disclosure of subsidiaries [line items] |  |  |
Name of Subsidiaries | Boyut Enerji |  |
Country of Incorporation | Turkey |  |
Business | Electricity energy trade and wholesale and retail electricity sales |  |
Effective Ownership Interest | 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%
Turkcell Sigorta [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Name of Subsidiaries | Turkcell Sigorta |  |
Country of Incorporation | Turkey |  |
Business | Insurance agency activities |  |
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 license |  |
Effective Ownership Interest | 100.00% |  | 100.00%
Lifecell Dijital Servisler [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Name of Subsidiaries | Lifecell Dijital Servisler |  |
Country of Incorporation | Turkey |  |
Business | Development and providing of digital services and products |  |
Effective Ownership Interest | 100.00% |  | 100.00%
Lifecell Bulut [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Name of Subsidiaries | Lifecell Bulut |  |
Country of Incorporation | Turkey |  |
Business | Cloud solutions services |  |
Effective Ownership Interest | 100.00% |  | 100.00%
Lifecell TV [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Name of Subsidiaries | Lifecell TV |  |
Country of Incorporation | Turkey |  |
Business | Online radio, television and on-demand streaming services |  |
Effective Ownership Interest | 100.00% |  | 100.00%
Lifecell Muzik [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Name of Subsidiaries | Lifecell Muzik |  |
Country of Incorporation | Turkey |  |
Business | Radio, television and on-demand streaming services |  |
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%
Atmosware Teknoloji [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Name of Subsidiaries | Atmosware Teknoloji(**) |  |
Country of Incorporation | Turkey |  |
Business | Develop software products and services, training software developers |  |
Effective Ownership Interest | 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%
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%
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%
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%
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% |  | 100.00%
Turkcell Global Bilgi [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Name of Subsidiaries | Turkcell Global Bilgi |  |
Country of Incorporation | Turkey |  |
Business | Customer relations and human resources management |  |
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%
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%
Lifecell [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Name of Subsidiaries | lifecell |  |
Country of Incorporation | Ukraine |  |
Business | Telecommunications |  |
Effective Ownership Interest | 100.00% |  | 100.00%
Paycell LLC [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Name of Subsidiaries | Paycell LLC |  |
Country of Incorporation | Ukraine |  |
Business | Mobile payments services |  |
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%
Yaani [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Name of Subsidiaries | Yaani |  |
Country of Incorporation | Netherlands |  |
Business | Internet search engine and browser services |  |
Effective Ownership Interest | 100.00% |  | 100.00%
BiP B.V. [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Name of Subsidiaries | BiP B.V. |  |
Country of Incorporation | Netherlands |  |
Business | Providing digital services and products |  |
Effective Ownership Interest | 100.00% |  | 100.00%
BiP A.S. [Member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Name of Subsidiaries | BiP A.S. |  |
Country of Incorporation | Turkey |  |
Business | Providing digital services and products |  |
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%
BeST [member] |  |  |
Disclosure of subsidiaries [line items] |  |  |
Name of Subsidiaries | BeST |  |
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 | Information technology, programming and technical support |  |
Effective Ownership Interest | 80.00% |  | 80.00%
TOGG |  |  |
Disclosure of subsidiaries [line items] |  |  |
Name of Associates | TOGG |  |
Country of Incorporation | Turkey |  |
Business | Electric passenger car development, production and trading activities |  |
Effective Ownership Interest | 23.00% |  | 19.00%
Sofra |  |  |
Disclosure of subsidiaries [line items] |  |  |
Name of Joint Venture | Sofra |  |
Country of Incorporation | Turkey |  |
Business | Meal coupons and cards |  |
Effective Ownership Interest | 33.00% |  | 33.00%

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