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Revenue - Summary of Revenue (Detail) - TRY (₺)
₺ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Disclosure of revenue [line items]      
Telecommunication Services ₺ 50,507,785 ₺ 57,447,750 ₺ 57,075,559
Equipment revenues 6,807,269 8,376,337 7,931,214
Revenue from financial services 1,990,946 2,031,925 2,009,350
Call center revenues 936,496 1,133,840 1,034,013
Other 1,301,778 1,571,144 1,452,629
Total revenue 61,544,274 70,560,996 69,502,765
Turkcell Turkiye segment [member]      
Disclosure of revenue [line items]      
Total revenue 47,056,642 54,273,614 54,477,094
Turkcell International segment [member]      
Disclosure of revenue [line items]      
Total revenue 6,284,777 6,102,253 5,524,154
Techfin segment [member]      
Disclosure of revenue [line items]      
Total revenue 1,990,946 2,031,936 2,009,350
All other segments [member]      
Disclosure of revenue [line items]      
Total revenue 6,211,909 8,153,193 7,492,167
Operating segments [member] | Turkcell Turkiye segment [member]      
Disclosure of revenue [line items]      
Telecommunication Services 44,543,684 51,769,147 52,039,191
Equipment revenues 2,499,908 2,495,278 2,415,492
Call center revenues 103,132 93,157 82,888
Other 161,868 268,265 262,390
Total revenue 47,308,592 54,625,847 54,799,961
Operating segments [member] | Turkcell International segment [member]      
Disclosure of revenue [line items]      
Telecommunication Services 6,067,959 5,806,576 5,174,308
Equipment revenues 151,310 217,483 280,218
Call center revenues 46,262 78,948 77,269
Other 164,232 168,010 190,592
Total revenue 6,429,763 6,271,017 5,722,387
Operating segments [member] | Techfin segment [member]      
Disclosure of revenue [line items]      
Revenue from financial services 2,151,676 2,154,951 2,042,264
Total revenue 2,151,676 2,154,951 2,042,264
Operating segments [member] | All other segments [member]      
Disclosure of revenue [line items]      
Equipment revenues 4,179,573 5,763,575 5,284,622
Call center revenues 901,561 1,086,174 997,013
Other 3,147,449 2,724,178 2,346,182
Total revenue 8,228,583 9,573,927 8,627,817
Intersegment eliminations [member]      
Disclosure of revenue [line items]      
Telecommunication Services (103,858) (127,973) (137,940)
Equipment revenues (23,522) (99,999) (49,118)
Revenue from financial services (160,730) (123,026) (32,914)
Call center revenues (114,459) (124,439) (123,157)
Other (2,171,771) (1,589,309) (1,346,535)
Total revenue (2,574,340) (2,064,746) (1,689,664)
Intersegment eliminations [member] | Turkcell Turkiye segment [member]      
Disclosure of revenue [line items]      
Total revenue (251,950) (352,233) (322,867)
Intersegment eliminations [member] | Turkcell International segment [member]      
Disclosure of revenue [line items]      
Total revenue (144,986) (168,764) (198,233)
Intersegment eliminations [member] | Techfin segment [member]      
Disclosure of revenue [line items]      
Total revenue (160,730) (123,015) (32,914)
Intersegment eliminations [member] | All other segments [member]      
Disclosure of revenue [line items]      
Total revenue ₺ (2,016,674) ₺ (1,420,734) ₺ (1,135,650)