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Revenue - Summary of Revenue by Recognition (Detail) - TRY (₺) ₺ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Disclosure of revenue [line items] |  |  |
Telecommunication Services | ₺ 17,977,697 | ₺ 15,115,816 | ₺ 12,883,974
Equipment Related | 1,438,845 | 1,159,500 | 624,352
Call Center | 203,172 | 232,679 | 198,564
Commision fees on betting business | 200,315 | 181,886 | 176,167
Revenue from betting business | 268,470 | 174,021 | 108,329
Revenue from financial operations | 941,918 | 605,663 | 184,698
All other segments | 262,058 | 162,499 | 109,477
Total | 21,292,475 | 17,632,064 | 14,285,561
Turkcell Turkey segment [member] |  |  |
Disclosure of revenue [line items] |  |  |
Total | 18,223,433 | 15,418,446 | 12,767,912
Turkcell International segment [member] |  |  |
Disclosure of revenue [line items] |  |  |
Total | 1,387,323 | 1,026,181 | 855,728
All other segments [member] |  |  |
Disclosure of revenue [line items] |  |  |
Total | 1,681,719 | 1,187,437 | 661,921
Goods or services transferred at point in time [member] |  |  |
Disclosure of revenue [line items] |  |  |
Telecommunication Services | 259,836 |  |
Equipment Related | 1,432,158 |  |
Revenue from financial operations | 38,955 |  |
All other segments | 28,343 |  |
Total | 1,759,292 |  |
Goods or services transferred over time [member] |  |  |
Disclosure of revenue [line items] |  |  |
Telecommunication Services | 17,717,861 |  |
Equipment Related | 6,687 |  |
Call Center | 203,172 |  |
Commision fees on betting business | 200,315 |  |
Revenue from betting business | 268,470 |  |
Revenue from financial operations | 902,963 |  |
All other segments | 233,715 |  |
Total | 19,533,183 |  |
Operating segments [member] | Turkcell Turkey segment [member] |  |  |
Disclosure of revenue [line items] |  |  |
Telecommunication Services | 16,752,587 | 14,236,174 | 12,126,395
Equipment Related | 1,337,495 | 1,089,699 | 579,820
All other segments | 175,695 | 124,263 | 81,377
Total | 18,265,777 |  |
Operating segments [member] | Turkcell International segment [member] |  |  |
Disclosure of revenue [line items] |  |  |
Telecommunication Services | 1,281,595 | 952,246 | 796,225
Equipment Related | 101,350 | 69,801 | 44,532
Call Center | 9,763 | 7,706 | 7,084
All other segments | 64,272 | 37,325 | 26,851
Total | 1,456,980 |  |
Operating segments [member] | All other segments [member] |  |  |
Disclosure of revenue [line items] |  |  |
Call Center | 211,195 | 224,973 | 191,480
Commision fees on betting business | 200,315 | 181,886 | 176,167
Revenue from betting business | 268,470 | 174,021 | 108,329
Revenue from financial operations | 941,918 | 605,663 | 184,698
All other segments | 311,933 | 911 | 1,249
Total | 1,933,831 |  |
Operating segments [member] | Goods or services transferred at point in time [member] | Turkcell Turkey segment [member] |  |  |
Disclosure of revenue [line items] |  |  |
Telecommunication Services | 267,329 |  |
Equipment Related | 1,330,808 |  |
All other segments | 12,211 |  |
Total | 1,610,348 |  |
Operating segments [member] | Goods or services transferred at point in time [member] | Turkcell International segment [member] |  |  |
Disclosure of revenue [line items] |  |  |
Equipment Related | 101,350 |  |
All other segments | 8,556 |  |
Total | 109,906 |  |
Operating segments [member] | Goods or services transferred at point in time [member] | All other segments [member] |  |  |
Disclosure of revenue [line items] |  |  |
Revenue from financial operations | 38,955 |  |
All other segments | 7,576 |  |
Total | 46,531 |  |
Operating segments [member] | Goods or services transferred over time [member] | Turkcell Turkey segment [member] |  |  |
Disclosure of revenue [line items] |  |  |
Telecommunication Services | 16,485,258 |  |
Equipment Related | 6,687 |  |
All other segments | 163,484 |  |
Total | 16,655,429 |  |
Operating segments [member] | Goods or services transferred over time [member] | Turkcell International segment [member] |  |  |
Disclosure of revenue [line items] |  |  |
Telecommunication Services | 1,281,595 |  |
Call Center | 9,763 |  |
All other segments | 55,716 |  |
Total | 1,347,074 |  |
Operating segments [member] | Goods or services transferred over time [member] | All other segments [member] |  |  |
Disclosure of revenue [line items] |  |  |
Call Center | 211,195 |  |
Commision fees on betting business | 200,315 |  |
Revenue from betting business | 268,470 |  |
Revenue from financial operations | 902,963 |  |
All other segments | 304,357 |  |
Total | 1,887,300 |  |
Intersegment eliminations [member] |  |  |
Disclosure of revenue [line items] |  |  |
Telecommunication Services | 56,485 | ₺ 72,604 | ₺ 38,646
Call Center | 17,786 |  |
All other segments | 289,842 |  |
Total | (364,113) |  |
Intersegment eliminations [member] | Goods or services transferred at point in time [member] |  |  |
Disclosure of revenue [line items] |  |  |
Telecommunication Services | 7,493 |  |
Total | 7,493 |  |
Intersegment eliminations [member] | Goods or services transferred over time [member] |  |  |
Disclosure of revenue [line items] |  |  |
Telecommunication Services | 48,992 |  |
Call Center | 17,786 |  |
All other segments | 289,842 |  |
Total | ₺ 356,620 |  |

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