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Revenue - Summary of Revenue (Detail) - TRY (₺)
₺ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Disclosure of revenue [line items]      
Telecommunication Services ₺ 140,662,877 ₺ 127,224,534 ₺ 109,007,288
Equipment revenues 13,728,480 16,451,581 16,089,885
Revenue from financial services 7,817,357 5,996,632 4,736,403
Other 4,462,650 4,980,284 5,141,583
Total revenue 166,671,364 154,653,031 134,975,159
Interest income generated from consumer financing activities 4,167,844 2,922,027 2,232,764
Turkcell Turkiye segment [member]      
Disclosure of revenue [line items]      
Total revenue 142,529,586 131,630,735 111,946,394
Turkcell International segment [member]      
Disclosure of revenue [line items]      
Total revenue 3,875,977 3,572,760 3,514,397
Techfin segment [member]      
Disclosure of revenue [line items]      
Total revenue 7,817,356 5,996,632 4,736,402
All other segments [member]      
Disclosure of revenue [line items]      
Total revenue 12,448,445 13,452,904 14,777,966
Operating segments [member] | Turkcell Turkiye segment [member]      
Disclosure of revenue [line items]      
Telecommunication Services 137,233,847 124,213,915 105,968,139
Equipment revenues 4,915,963 7,192,829 5,947,208
Other 1,621,891 1,353,641 630,428
Total revenue 143,771,701 132,760,385 112,545,775
Operating segments [member] | Turkcell International segment [member]      
Disclosure of revenue [line items]      
Telecommunication Services 3,644,353 3,300,434 3,286,225
Equipment revenues 205,107 264,350 255,552
Other 165,394 226,149 317,550
Total revenue 4,014,854 3,790,933 3,859,327
Operating segments [member] | Techfin segment [member]      
Disclosure of revenue [line items]      
Revenue from financial services 8,633,753 6,596,195 5,118,775
Total revenue 8,633,753 6,596,195 5,118,775
Operating segments [member] | All other segments [member]      
Disclosure of revenue [line items]      
Equipment revenues 8,717,473 9,118,647 9,943,083
Other 4,725,907 5,552,768 9,632,491
Total revenue 13,443,380 14,671,415 19,575,574
Intersegment eliminations [member]      
Disclosure of revenue [line items]      
Telecommunication Services (215,323) (289,815) (247,076)
Equipment revenues (110,063) (124,245) (55,958)
Revenue from financial services (816,396) (599,563) (382,372)
Other (2,050,542) (2,152,274) (5,438,886)
Total revenue (3,192,324) (3,165,897) (6,124,292)
Intersegment eliminations [member] | Turkcell Turkiye segment [member]      
Disclosure of revenue [line items]      
Total revenue (1,242,115) (1,129,650) (599,381)
Intersegment eliminations [member] | Turkcell International segment [member]      
Disclosure of revenue [line items]      
Total revenue (138,877) (218,173) (344,930)
Intersegment eliminations [member] | Techfin segment [member]      
Disclosure of revenue [line items]      
Total revenue (816,397) (599,563) (382,373)
Intersegment eliminations [member] | All other segments [member]      
Disclosure of revenue [line items]      
Total revenue ₺ (994,935) ₺ (1,218,511) ₺ (4,797,608)