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Cover Page - shares
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Entity Information [Line Items]      
Document Type 20-F    
Entity Central Index Key 0001071321    
Document Registration Statement false    
Document Annual Report true    
Document Fiscal Year Focus 2024    
Document Period End Date Dec. 31, 2024    
Current Fiscal Year End Date --12-31    
Document Fiscal Period Focus FY    
Document Transition Report false    
Document Shell Company Report false    
Entity File Number 1-15092    
Entity Registrant Name TURKCELL ILETISIM HIZMETLERI A S    
Entity Incorporation, State or Country Code W8    
Entity Address, Address Line One Turkcell Küçükyalı Plaza    
Entity Address, Address Line Two Aydınevler Mahallesi İnönü Caddesi    
Entity Address, Address Line Three No:20 Küçükyalı Ofispark Maltepe    
Entity Address, Postal Zip Code 34854    
Entity Address, City or Town İstanbul    
Entity Address, Country TR    
Entity Well-known Seasoned Issuer Yes    
Entity Voluntary Filers No    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Large Accelerated Filer    
Entity Emerging Growth Company false    
ICFR Auditor Attestation Flag true    
Document Financial Statement Error Correction [Flag] false    
Document Accounting Standard International Financial Reporting Standards    
Entity Shell Company false    
Amendment Flag false    
Auditor Name GÜNEY BAĞIMSIZ DENETİM VE SERBEST MUHASEBECI MALİ MÜŞAVİRLİK A.Ş. GÜNEY BAĞIMSIZ DENETİM VE SERBEST MUHASEBECI MALİ MÜŞAVİRLİK A.Ş. PWC BAGIMSIZ DENETİM VE SERBEST MUHASEBECI MALİ MÜŞAVİRLİK A.Ş.
Auditor Location Istanbul, Turkiye Istanbul, Turkiye Istanbul, Turkiye
Auditor Firm ID 1750 1750 1346
Business Contact [Member]      
Entity Information [Line Items]      
Contact Personnel Name Ms. Özlem Yardım    
City Area Code 212    
Local Phone Number 313 18 88    
Contact Personnel Fax Number 90 216 504 40 58    
Entity Address, Address Line One Turkcell Küçükyalı Plaza    
Entity Address, Address Line Two Aydınevler Mahallesi İnönü Caddesi    
Entity Address, Address Line Three No:20 Küçükyalı Ofispark Maltepe    
Entity Address, Postal Zip Code 34854    
Entity Address, City or Town İstanbul    
Entity Address, Country TR    
Ordinary shares [member]      
Entity Information [Line Items]      
Title of 12(b) Security Ordinary Shares Nominal Value TRY 1.000    
No Trading Symbol Flag true    
Entity Common Stock, Shares Outstanding 2,200,000,000    
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]      
Title of 12(b) Security American Depositary Shares,each representing 2.5 ordinary shares    
Trading Symbol TKC    
Security Exchange Name NYSE