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Intangible Assets - Summary of Intangible Assets and Goodwill (Detail) - TRY (₺)
₺ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year ₺ 41,219,286 ₺ 40,654,516
Additions net of amortization (2,649,020) (966,963)
Disposals (38,234) (21,855)
Transfers   2,634
Impairment expenses/(reversals) (52,021) (390)
Acquisition through business combinations   383,007
Effects of movements in exchange rates (1,156,678) 1,168,337
Balance at end of year 37,323,333 41,219,286
Gross Carrying Amount    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year 119,495,916 108,561,334
Additions 6,768,565 8,153,855
Disposals (274,183) (242,721)
Transfers   2,634
Acquisition through business combinations   383,007
Effects of movements in exchange rates (1,910,374) 2,637,807
Balance at end of year 124,079,924 119,495,916
Gross Carrying Amount | Telecommunication licenses    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year 44,537,194 42,990,656
Additions 1,010 23,495
Disposals (35,159) (1,363)
Transfers 913 30
Effects of movements in exchange rates (1,928,883) 1,524,376
Balance at end of year 42,575,075 44,537,194
Gross Carrying Amount | Computer software    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year 54,337,016 49,011,971
Additions 3,507,682 4,104,823
Disposals (170,146) (131,366)
Transfers 206,757 224,077
Effects of movements in exchange rates 239,663 1,127,511
Balance at end of year 58,120,972 54,337,016
Gross Carrying Amount | Transmission lines software [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year 599,836 575,290
Additions 675 1,460
Effects of movements in exchange rates 25,034 23,086
Balance at end of year 625,545 599,836
Gross Carrying Amount | Indefeasible right of usage [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year 614,600 629,874
Disposals   (15,274)
Balance at end of year 614,600 614,600
Gross Carrying Amount | Brand name [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year 8,494 5,461
Additions 371 877
Disposals (331) (79)
Transfers 75 972
Effects of movements in exchange rates (1,756) 1,263
Balance at end of year 6,853 8,494
Gross Carrying Amount | Customer base [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year 39,513 48,546
Effects of movements in exchange rates (9,795) (9,033)
Balance at end of year 29,718 39,513
Gross Carrying Amount | Goodwill [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year 259,358 246,770
Acquisition through business combinations   16,840
Effects of movements in exchange rates (4,611) (4,252)
Balance at end of year 254,747 259,358
Gross Carrying Amount | Subscriber acquisition cost [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year 17,982,122 14,408,912
Additions 2,958,639 3,654,236
Disposals (67,744) (93,085)
Effects of movements in exchange rates (176,035) 12,059
Balance at end of year 20,696,982 17,982,122
Gross Carrying Amount | Electricity production license [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year 472,366  
Acquisition through business combinations   366,167
Effects of movements in exchange rates (41,549) 106,199
Balance at end of year 430,817 472,366
Gross Carrying Amount | Other intangible assets    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year 568,085 585,130
Additions 121,704 127,884
Disposals (445)  
Transfers 4 (751)
Effects of movements in exchange rates (10,802) (144,178)
Balance at end of year 678,546 568,085
Gross Carrying Amount | Construction in progress    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year 77,332 58,724
Additions 178,484 241,080
Disposals (358) (1,554)
Transfers (207,749) (221,694)
Effects of movements in exchange rates (1,640) 776
Balance at end of year 46,069 77,332
Accumulated depreciation, amortization and impairment [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year (78,276,630) (67,906,818)
Additions - amortization (9,417,585) (9,120,819)
Disposals 235,949 220,866
Impairment expenses/(reversals) (52,021) (390)
Effects of movements in exchange rates 753,696 (1,469,469)
Balance at end of year (86,756,591) (78,276,630)
Accumulated depreciation, amortization and impairment [member] | Telecommunication licenses    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year (26,744,794) (23,535,770)
Additions - amortization (2,745,221) (2,721,001)
Disposals 1,919 1,363
Impairment expenses/(reversals) (307) (43)
Effects of movements in exchange rates 809,276 (489,343)
Balance at end of year (28,679,127) (26,744,794)
Accumulated depreciation, amortization and impairment [member] | Computer software    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year (40,582,244) (36,137,696)
Additions - amortization (3,481,991) (3,598,873)
Disposals 165,602 126,364
Impairment expenses/(reversals) (61,460) (347)
Effects of movements in exchange rates (298,667) (971,692)
Balance at end of year (44,258,760) (40,582,244)
Accumulated depreciation, amortization and impairment [member] | Transmission lines software [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year (608,013) (596,578)
Additions - amortization (19,352) (14,792)
Impairment expenses/(reversals) 10,077  
Effects of movements in exchange rates 1,138 3,357
Balance at end of year (616,150) (608,013)
Accumulated depreciation, amortization and impairment [member] | Indefeasible right of usage [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year (316,954) (278,139)
Additions - amortization (35,391) (39,231)
Effects of movements in exchange rates 450 416
Balance at end of year (351,895) (316,954)
Accumulated depreciation, amortization and impairment [member] | Brand name [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year (16,716) (22,066)
Additions - amortization (71) (53)
Disposals 239 54
Effects of movements in exchange rates 6,527 5,349
Balance at end of year (10,021) (16,716)
Accumulated depreciation, amortization and impairment [member] | Customer base [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year (29,921) (37,897)
Effects of movements in exchange rates 8,648 7,976
Balance at end of year (21,273) (29,921)
Accumulated depreciation, amortization and impairment [member] | Subscriber acquisition cost [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year (9,613,733) (7,059,672)
Additions - amortization (3,040,853) (2,626,391)
Disposals 67,744 93,085
Effects of movements in exchange rates 225,559 (20,755)
Balance at end of year (12,361,283) (9,613,733)
Accumulated depreciation, amortization and impairment [member] | Electricity production license [member]    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year (5,556)  
Additions - amortization   (5,556)
Effects of movements in exchange rates (475)  
Balance at end of year (6,031) (5,556)
Accumulated depreciation, amortization and impairment [member] | Other intangible assets    
Disclosure of reconciliation of changes in intangible assets and goodwill [line items]    
Balance at beginning of year (358,699) (239,000)
Additions - amortization (94,706) (114,922)
Disposals 445  
Impairment expenses/(reversals) (331)  
Effects of movements in exchange rates 1,240 (4,777)
Balance at end of year ₺ (452,051) ₺ (358,699)