v3.26.1
Segment information - Reconciliation of adjusted EBITDA to consolidated profit before income tax and profit (Detail) - TRY (₺)
₺ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of operating segments      
Revenue ₺ 241,470,821 ₺ 218,160,030 ₺ 202,428,953
Profit from continuing operations 17,791,410 14,511,901 19,961,224
Income tax expense 13,398,842 6,369,264 (8,836,533)
Finance income (16,841,450) (13,584,573) (23,931,920)
Finance costs 22,064,023 22,285,584 37,666,918
Other income (452,244) (329,088) (1,668,287)
Other expenses 2,227,278 3,374,279 10,674,263
Monetary (gain) loss (1,598,366) (7,657,905) (7,213,152)
Depreciation and amortization 63,928,335 62,256,360 59,149,066
Share of loss/(gain) of equity accounted investees 3,499,147 4,139,657 (2,882,287)
Adjusted EBITDA 104,016,975 91,365,479 82,919,292
IFRS 9 impairment loss provision (1,428,706) (1,336,712) (1,905,236)
Turkcell Turkiye      
Disclosure of operating segments      
Revenue 219,173,055 198,427,208 185,032,051
Techfin      
Disclosure of operating segments      
Revenue 12,455,052 10,232,321 7,849,132
Other      
Disclosure of operating segments      
Revenue 9,842,714 9,500,501 9,547,770
Operating segments | Turkcell Turkiye      
Disclosure of operating segments      
Revenue 220,319,476 199,742,397 186,257,652
Adjusted EBITDA 98,416,482 86,852,705 78,046,630
IFRS 9 impairment loss provision (991,553) (1,068,536) (1,739,411)
Operating segments | Techfin      
Disclosure of operating segments      
Revenue 13,688,815 11,300,922 8,633,914
Adjusted EBITDA 3,383,133 2,845,933 3,037,930
IFRS 9 impairment loss provision (332,900) (260,082) (154,928)
Operating segments | Other      
Disclosure of operating segments      
Revenue 14,139,663 10,974,558 11,404,209
Adjusted EBITDA 2,695,945 2,111,613 2,269,590
IFRS 9 impairment loss provision (104,253) (8,094) (10,897)
Intersegment eliminations      
Disclosure of operating segments      
Revenue (6,677,133) (3,857,847) (3,866,822)
Adjusted EBITDA (478,585) (444,772) (434,858)
Intersegment eliminations | Turkcell Turkiye      
Disclosure of operating segments      
Revenue (1,146,421) (1,315,189) (1,225,601)
Intersegment eliminations | Techfin      
Disclosure of operating segments      
Revenue (1,233,763) (1,068,601) (784,782)
Intersegment eliminations | Other      
Disclosure of operating segments      
Revenue ₺ (4,296,949) ₺ (1,474,057) ₺ (1,856,439)