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Intangible Assets - Summary of Intangible Assets and Goodwill (Detail) - TRY (₺) ₺ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Balance at beginning of year | ₺ 61,498,735 | ₺ 67,918,125
Additions net of amortization | (242,958) | (4,364,869)
Disposals | (226,159) | (63,000)
Transfers | 523,149 |
Assets held for sale | (3,299,805) |
Impairment (expenses)/reversals | (23,372) | (85,716)
Effects of movements in exchange rates | 281,807 | (1,905,805)
Balance at end of year | 58,511,397 | 61,498,735
Gross Carrying Amount |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Balance at beginning of year | 204,450,114 | 196,896,845
Additions | 17,093,257 | 11,152,761
Disposals | (495,718) | (451,780)
Transfers | 523,149 |
Assets held for sale | (7,085,969) |
Impairment (expenses)/reversals | (7,176) |
Effects of movements in exchange rates | 735,241 | (3,147,712)
Balance at end of year | 215,212,898 | 204,450,114
Gross Carrying Amount | Telecommunication licenses |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Balance at beginning of year | 70,152,194 | 73,385,234
Additions | 3,613,018 | 1,664
Disposals | (59,797) | (57,933)
Transfers | 181,814 | 1,504
Assets held for sale | (5,149,479) |
Effects of movements in exchange rates | (430,834) | (3,178,275)
Balance at end of year | 68,306,916 | 70,152,194
Gross Carrying Amount | Computer software |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Balance at beginning of year | 95,767,623 | 89,532,740
Additions | 7,908,723 | 5,779,710
Disposals | (173,279) | (280,355)
Transfers | 453,280 | 340,680
Assets held for sale | (1,359,776) |
Effects of movements in exchange rates | 1,087,039 | 394,848
Balance at end of year | 103,683,610 | 95,767,623
Gross Carrying Amount | Transmission lines software [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Balance at beginning of year | 1,030,729 | 988,369
Additions | 972 | 1,112
Disposals | (3,688) |
Effects of movements in exchange rates | 25,231 | 41,248
Balance at end of year | 1,053,244 | 1,030,729
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 | 1,012,694 | 1,012,694
Additions | 2,943 |
Balance at end of year | 1,015,637 | 1,012,694
Gross Carrying Amount | Brand name [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Balance at beginning of year | 11,292 | 13,996
Additions | 53 | 611
Disposals | (49) | (545)
Transfers | 188 | 124
Assets held for sale | (614) |
Effects of movements in exchange rates | (102) | (2,894)
Balance at end of year | 10,768 | 11,292
Gross Carrying Amount | Customer base [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Balance at beginning of year | 48,967 | 65,107
Effects of movements in exchange rates | (9,872) | (16,140)
Balance at end of year | 39,095 | 48,967
Gross Carrying Amount | Goodwill [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Balance at beginning of year | 419,754 | 427,353
Impairment (expenses)/reversals | (7,176) |
Effects of movements in exchange rates | (4,649) | (7,599)
Balance at end of year | 407,929 | 419,754
Gross Carrying Amount | Subscriber acquisition cost [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Balance at beginning of year | 34,103,021 | 29,629,666
Additions | 5,031,195 | 4,875,036
Disposals | (125,098) | (111,624)
Assets held for sale | (575,070) |
Effects of movements in exchange rates | 84,049 | (290,057)
Balance at end of year | 38,518,097 | 34,103,021
Gross Carrying Amount | Electricity production license [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Balance at beginning of year | 709,869 | 778,332
Effects of movements in exchange rates | (41,875) | (68,463)
Balance at end of year | 667,994 | 709,869
Gross Carrying Amount | Other intangible assets |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Balance at beginning of year | 1,118,057 | 935,930
Additions | 164,935 | 200,535
Disposals | (860) | (733)
Transfers | (23,060) | 3
Assets held for sale | (161) |
Effects of movements in exchange rates | (11,527) | (17,678)
Balance at end of year | 1,247,384 | 1,118,057
Gross Carrying Amount | Construction in progress |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Balance at beginning of year | 75,914 | 127,424
Additions | 371,418 | 294,093
Disposals | (132,947) | (590)
Transfers | (89,073) | (342,311)
Assets held for sale | (869) |
Effects of movements in exchange rates | 37,781 | (2,702)
Balance at end of year | 262,224 | 75,914
Accumulated depreciation, amortization and impairment [member] |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |
Balance at beginning of year | (142,951,379) | (128,978,720)
Additions - amortization | (17,336,215) | (15,517,630)
Disposals | 269,559 | 388,780
Assets held for sale | 3,786,164 |
Impairment (expenses)/reversals | (16,196) | (85,716)
Effects of movements in exchange rates | (453,434) | 1,241,907
Balance at end of year | (156,701,501) | (142,951,379)
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 | (47,255,448) | (44,068,178)
Additions - amortization | (4,275,416) | (4,523,381)
Disposals | 4,766 | 3,162
Assets held for sale | 3,194,034 |
Impairment (expenses)/reversals | (3) | (506)
Effects of movements in exchange rates | 244,068 | 1,333,455
Balance at end of year | (48,087,999) | (47,255,448)
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 | (72,926,450) | (66,868,545)
Additions - amortization | (6,425,747) | (5,737,378)
Disposals | 135,165 | 272,867
Assets held for sale | 204,567 |
Impairment (expenses)/reversals | (15,716) | (101,269)
Effects of movements in exchange rates | (980,719) | (492,125)
Balance at end of year | (80,008,900) | (72,926,450)
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 | (1,015,248) | (1,001,840)
Additions - amortization | (26,303) | (31,887)
Disposals | 3,688 |
Impairment (expenses)/reversals |  | 16,604
Effects of movements in exchange rates | (5,381) | 1,875
Balance at end of year | (1,043,244) | (1,015,248)
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 | (579,827) | (522,256)
Additions - amortization | (63,302) | (58,315)
Effects of movements in exchange rates | 454 | 744
Balance at end of year | (642,675) | (579,827)
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 | (16,512) | (27,544)
Additions - amortization | (65) | (117)
Disposals | 21 | 394
Assets held for sale | 340 |
Effects of movements in exchange rates | 6,401 | 10,755
Balance at end of year | (9,815) | (16,512)
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 | (35,051) | (49,300)
Additions - amortization | (2,005) |
Effects of movements in exchange rates | 8,714 | 14,249
Balance at end of year | (28,342) | (35,051)
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 | (20,368,047) | (15,840,829)
Additions - amortization | (6,382,401) | (5,010,502)
Disposals | 125,098 | 111,624
Assets held for sale | 387,076 |
Effects of movements in exchange rates | 267,239 | 371,660
Balance at end of year | (25,971,035) | (20,368,047)
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 | (9,938) | (9,154)
Additions - amortization | (30,167) |
Effects of movements in exchange rates | (12,338) | (784)
Balance at end of year | (52,443) | (9,938)
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 | (744,858) | (591,074)
Additions - amortization | (130,809) | (156,050)
Disposals | 821 | 733
Assets held for sale | 147 |
Impairment (expenses)/reversals | (477) | (545)
Effects of movements in exchange rates | 18,128 | 2,078
Balance at end of year | ₺ (857,048) | ₺ (744,858)

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