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Cover Page - shares
 12 Months Ended
Dec. 31, 2023
Dec. 31, 2022
Entity Information [Line Items]    
Document Type 20-F  
Amendment Flag false  
Document Period End Date Dec. 31, 2023  
Document Fiscal Year Focus 2023  
Document Fiscal Period Focus FY  
Entity Registrant Name TURKCELL ILETISIM HIZMETLERI A S  
Entity File Number 1-15092  
Entity Incorporation, State or Country Code W8  
Entity Central Index Key 0001071321  
Current Fiscal Year End Date --12-31  
Entity Well-known Seasoned Issuer Yes  
Entity Current Reporting Status Yes  
Entity Filer Category Large Accelerated Filer  
Entity Emerging Growth Company false  
Entity Shell Company false  
Document Annual Report true  
Document Transition Report false  
Document Shell Company Report false  
Document Registration Statement false  
Entity Voluntary Filers No  
Entity Interactive Data Current Yes  
Entity Address, Address Line One Turkcell Kucukyali Plaza  
Entity Address, Address Line Two Aydinevler Mahallesi Inonu Caddesi  
Entity Address, Address Line Three No:20 Kucukyali Ofispark Maltepe  
Entity Address, City or Town Istanbul  
Entity Address, Postal Zip Code 34854  
Entity Address, Country TR  
Document Accounting Standard International Financial Reporting Standards  
ICFR Auditor Attestation Flag true  
Document Financial Statement Error Correction [Flag] false  
Auditor Name GUNEY BAGIMSIZ DENETIM VE SERBEST MUHASEBECI MALI MUSAVIRLIK A.S. PWC BAGIMSIZ DENETIM VE SERBEST MUHASEBECI MALI MUSAVIRLIK A.S.
Auditor Location Istanbul, Turkiye Istanbul, Turkiye
Auditor Firm ID 1750 1346
Business Contact [Member]    
Entity Information [Line Items]    
City Area Code 212  
Local Phone Number 313 18 88  
Contact Personnel Name Ms. Ozlem Yardim  
Entity Address, Address Line One Turkcell Kucukyali Plaza  
Entity Address, Address Line Two Aydinevler Mahallesi Inonu Caddesi  
Entity Address, Address Line Three No:20 Kucukyali Ofispark Maltepe  
Entity Address, City or Town Istanbul  
Entity Address, Postal Zip Code 34854  
Contact Personnel Fax Number 90 216 504 40 58  
Entity Address, Country TR  
Ordinary shares [member]    
Entity Information [Line Items]    
Title of 12(b) Security Ordinary Shares Nominal Value TRY 1.000  
Entity Common Stock, Shares Outstanding 2,200,000,000  
No Trading Symbol Flag true  
Group A Ordinary Shares    
Entity Information [Line Items]    
Entity Common Stock, Shares Outstanding 330,000,000  
Group B Ordinary Shares    
Entity Information [Line Items]    
Entity Common Stock, Shares Outstanding 1,870,000,000  
American Depositary Shares [Member]    
Entity Information [Line Items]    
Trading Symbol TKC  
Title of 12(b) Security American Depositary Shares,each representing 2.5 ordinary shares  
Security Exchange Name NYSE