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Reporting entity - Additional Information (Detail)
€ in Thousands, $ in Thousands, ₺ in Billions
 1 Months Ended 12 Months Ended
Apr. 07, 2023
EUR (€)
Aug. 26, 2015
EUR (€)
Jul. 30, 2009
Apr. 30, 2009
EUR (€)
Apr. 27, 1998
USD ($)
Apr. 30, 2024
EUR (€)
Apr. 30, 2024
TRY (₺)
Dec. 31, 2024
item
Vote
Dec. 31, 2023
EUR (€)
Dec. 31, 2023
TRY (₺)
Reporting entity                    
Percentage of treasury shares levy paid to ICTA               90.00%    
Percentage of gross revenue paid as treasury share               15.00%    
Percentage of treasury share levy paid for universal service fund               10.00%    
Percentage of net revenue paid as annual contribution to ICTA's expenses               0.35%    
Percentage of net revenue paid as frequency fee               5.00%    
Number of votes that each share entitles in respect of all other matters               1    
Number of residual board members who can be appointed               4    
Meeting quorum requirement               5    
Decision quorum, minimum members required to be present and provide affirmative vote               5    
Number of board members who can exercise unlimited authority to represent and bind the company               2    
Number of non-executive members               9    
Number of independent members               3    
Turkcell 2G license                    
Reporting entity                    
Effective period of license (from grant date) 31 years       25 years          
Consideration paid for acquiring license | $         $ 500,000          
Extension fee for GSM license | € € 120,000                  
VAT on extension fee for GSM license | € € 21,600                  
Initial payment for extension fee for GSM license                 € 81,600 ₺ 1.7
Subsequent payment for extension fee for GSM license           € 31,100 ₺ 1.1      
Percentage of gross revenue paid as treasury share         15.00%          
Turkcell 3G license                    
Reporting entity                    
Effective period of license (from grant date)     20 years              
Consideration paid for acquiring license | €       € 358,000            
Turkcell 4.5G license                    
Reporting entity                    
Effective period of license (from grant date)   13 years                
Consideration paid for acquiring license | €   € 1,623,460                
Group A Shares                    
Reporting entity                    
Percentage of total issued shares re-classified as a separate class of Group A Shares               15.00%    
Number of candidates who can be nominated by the shareholder               4    
Number of board members who can be appointed by the shareholder               5    
Number of votes that each share entitles in respect of the appointment of board members and chairman of the presiding committee | Vote               6    
Number of board member for which the voting privilege applies               5    
Group A Shares | Minimum                    
Reporting entity                    
Number of board members who can exercise unlimited authority to represent and bind the company               1    
TVF BTIH                    
Reporting entity                    
Percentage of capital shares and voting rights in entity               26.20%    
IMTIS Holdings S.a r l.                    
Reporting entity                    
Percentage of capital shares and voting rights in entity               19.80%    
Public Share                    
Reporting entity                    
Percentage of capital shares and voting rights in entity               53.95%