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Revenue - Summary of Revenues by Recognition (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 operation 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
Goods or services transferred at point in time [member]      
Disclosure of revenue [line items]      
Telecommunication Services 960,128 2,199,182 1,024,192
Equipment revenues 13,094,236 15,710,426 15,451,545
Revenue from financial operation 3,595,168 2,668,723 1,959,097
Other 367,211 213,108 110,231
Total revenue 18,016,743 20,791,439 18,545,065
Goods or services transferred over time [member]      
Disclosure of revenue [line items]      
Telecommunication Services 139,702,749 125,025,352 107,983,096
Equipment revenues 634,244 741,155 638,340
Revenue from financial operation 4,222,189 3,327,909 2,777,306
Other 4,095,439 4,767,176 5,031,352
Total revenue 148,654,621 133,861,592 116,430,094
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 Turkiye segment [member] | Goods or services transferred at point in time [member]      
Disclosure of revenue [line items]      
Telecommunication Services 887,950 2,102,697 911,193
Equipment revenues 4,281,719 6,451,674 5,308,868
Other 4,714 543 17,101
Total revenue 5,174,383 8,554,914 6,237,162
Operating segments [member] | Turkcell Turkiye segment [member] | Goods or services transferred over time [member]      
Disclosure of revenue [line items]      
Telecommunication Services 136,345,897 122,111,218 105,056,946
Equipment revenues 634,244 741,155 638,340
Other 1,617,177 1,353,098 613,327
Total revenue 138,597,318 124,205,471 106,308,613
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] | Turkcell International segment [member] | Goods or services transferred at point in time [member]      
Disclosure of revenue [line items]      
Telecommunication Services 72,178 96,637 113,330
Equipment revenues 205,107 264,350 255,552
Other 37,084 45,013 9,700
Total revenue 314,369 406,000 378,582
Operating segments [member] | Turkcell International segment [member] | Goods or services transferred over time [member]      
Disclosure of revenue [line items]      
Telecommunication Services 3,572,175 3,203,797 3,172,895
Other 128,310 181,136 307,850
Total revenue 3,700,485 3,384,933 3,480,745
Operating segments [member] | Techfin segment [member]      
Disclosure of revenue [line items]      
Revenue from financial operation 8,633,753 6,596,195 5,118,775
Total revenue 8,633,753 6,596,195 5,118,775
Operating segments [member] | Techfin segment [member] | Goods or services transferred at point in time [member]      
Disclosure of revenue [line items]      
Revenue from financial operation 4,347,028 3,211,743 2,341,457
Total revenue 4,347,028 3,211,743 2,341,457
Operating segments [member] | Techfin segment [member] | Goods or services transferred over time [member]      
Disclosure of revenue [line items]      
Revenue from financial operation 4,286,725 3,384,452 2,777,318
Total revenue 4,286,725 3,384,452 2,777,318
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
Operating segments [member] | All other segments [member] | Goods or services transferred at point in time [member]      
Disclosure of revenue [line items]      
Equipment revenues 8,717,473 9,118,647 9,943,083
Other 329,063 167,627 96,573
Total revenue 9,046,536 9,286,274 10,039,656
Operating segments [member] | All other segments [member] | Goods or services transferred over time [member]      
Disclosure of revenue [line items]      
Other 4,396,844 5,385,141 9,535,918
Total revenue 4,396,844 5,385,141 9,535,918
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 operation (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] | Goods or services transferred at point in time [member]      
Disclosure of revenue [line items]      
Telecommunication Services   (152) (331)
Equipment revenues (110,063) (124,245) (55,958)
Revenue from financial operation (751,860) (543,020) (382,360)
Other (3,650) (75) (13,143)
Total revenue (865,573) (667,492) (451,792)
Intersegment eliminations [member] | Goods or services transferred over time [member]      
Disclosure of revenue [line items]      
Telecommunication Services (215,323) (289,663) (246,745)
Revenue from financial operation (64,536) (56,543) (12)
Other (2,046,892) (2,152,199) (5,425,743)
Total revenue (2,326,751) (2,498,405) (5,672,500)
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)