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Reporting Entity - Additional Information (Detail) - 12 months ended Dec. 31, 2017
€ in Thousands, $ in Thousands
USD ($)
EUR (€)
Disclosure of Description Of Reporting Entity [line items]    
Payment through treasury shares, percentage of gross revenue 15.00% 15.00%
Turkish treasury [member]    
Disclosure of Description Of Reporting Entity [line items]    
Percentage of treasury shares transferred as universal service fund 90.00% 90.00%
Turkish ministry [member]    
Disclosure of Description Of Reporting Entity [line items]    
Percentage of treasury shares transferred as universal service fund 10.00% 10.00%
Turkcell holding A.S. [member]    
Disclosure of Description Of Reporting Entity [line items]    
Ownership interest by parent 51.00% 51.00%
2G license [member]    
Disclosure of Description Of Reporting Entity [line items]    
License contract period 25 years 25 years
License fee | $ $ 500,000  
Payment through treasury shares, percentage of gross revenue 15.00% 15.00%
3G license [member]    
Disclosure of Description Of Reporting Entity [line items]    
License fee   € 358,000
4.5G license tender [member]    
Disclosure of Description Of Reporting Entity [line items]    
License contract period 13 years 13 years
Value added tax percentage 18.00% 18.00%
Tender price (excludes VAT of 18%)   € 1,623,460