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Property, plant and equipment
 12 Months Ended
Dec. 31, 2019
Text block [abstract]  
Property, plant and equipment
11.
Property, plant and equipment
 
   
Balance as at
1 January 2019
   
Additions
   
Disposals
  
Transfers
  
Impairment
expenses/
(reversals)
  
Effects of
movements in
exchange rates
   
Balance as at
31 December
2019
 
Cost
           
Network infrastructure (All operational)
   19,132,278    708,891    (756,889)   1,982,073   —     956,638    22,022,991 
Land and buildings
   929,901    52,877    —     220,637   —     7,908    1,211,323 
Equipment, fixtures and fittings
   803,500    97,225    (48,813)   1,446   —     13,051    866,409 
Motor vehicles
   40,106    3,833    (491)   —     —     1,070    44,518 
Leasehold improvements
   327,492    5,418    (7)   317   —     2,617    335,837 
Construction in progress
   512,087    2,354,918    (2,058)   (2,216,841)   (3,125)   21,347    666,328 
  
 
 
   
 
 
   
 
 
  
 
 
  
 
 
  
 
 
   
 
 
 
Total
  
 
21,745,364
 
  
 
3,223,162
 
  
 
(808,258
) 
 
 
(12,368
) 
 
 
(3,125
) 
 
 
1,002,631
 
  
 
25,147,406
 
  
 
 
   
 
 
   
 
 
  
 
 
  
 
 
  
 
 
   
 
 
 
Accumulated depreciation
           
Network infrastructure (All operational)
   9,446,217    2,006,650    (738,527)   31,327   14,543   622,603    11,382,813 
Land and buildings
   239,088    58,292    —     (16,359)   —     4,605    285,626 
Equipment, fixtures and fittings
   633,507    80,254    (39,143)   (11,440)   —     10,749    673,927 
Motor vehicles
   34,230    2,923    (296)   —     —     983    37,840 
Leasehold improvements
   276,006    30,776    (7)   —     339   1,595    308,709 
  
 
 
   
 
 
   
 
 
  
 
 
  
 
 
  
 
 
   
 
 
 
Total
  
 
10,629,048
 
  
 
2,178,895
 
  
 
(777,973
) 
 
 
3,528
 
 
 
14,882
 
 
 
640,535
 
  
 
12,688,915
 
  
 
 
   
 
 
   
 
 
  
 
 
  
 
 
  
 
 
   
 
 
 
Net book amount
  
 
11,116,316
 
  
 
1,044,267
 
  
 
(30,285
) 
 
 
(15,896
) 
 
 
(18,007
) 
 
 
362,096
 
  
 
12,458,491
 
  
 
 
   
 
 
   
 
 
  
 
 
  
 
 
  
 
 
   
 
 
 
Depreciation expenses for the years ended 31 December 2019, 2018 and 2017 amounting to TL 2,196,902, TL 1,888,834 and TL 1,499,242, respectively include impairment losses and are recognized in cost of revenue.
Impairment losses on property, plant and equipment for the years ended 31 December 2019, 2018 and 2017 are TL 18,007, TL 34,382 and TL 39,721, respectively and are recognized in depreciation expenses.
Capitalization rates and amounts other than borrowings made specifically for the purpose of acquiring a qualifying asset are 6.5%, 6.8% and 10.0%, TL 123,449 and TL 75,054 and TL 66,513 for the years ended 31 December 2019, 2018 and 2017 respectively.
Impaired network infrastructure mainly consists of damaged or technologically inadequate mobile and fixed network infrastructure investments.
Network infrastructure mainly consists of mobile and fixed network infrastructure investments.
 
   
Balance as at
1 January 2018
   
Additions
   
Disposals
  
Transfers
  
Impairment
expenses/
(reversals)
  
Disposal of
subsidiary
  
Effects of
movements in
exchange rates
   
Transfer to
investment
property
  
Balance as at
31 December
2018
 
Cost
             
Network infrastructure (All operational)
   15,480,128    650,610    (232,888)   2,270,262   —     (15,081)   979,247    —     19,132,278 
Land and buildings
   786,058    28,828    (2,535)   156,540   —     —     6,831    (45,821)   929,901 
Equipment, fixtures and fittings
   728,202    59,311    (15,827)   10,712   —     (4,041)   25,143    —     803,500 
Motor vehicles
   37,216    3,121    (775)   —     —     (1,400)   1,944    —     40,106 
Leasehold improvements
   314,867    5,998    (547)   3,123   —     (1,639)   5,690    —     327,492 
Construction in progress
   672,294    2,260,360    (670)   (2,448,448)   (10,744)   —     39,295    —     512,087 
  
 
 
   
 
 
   
 
 
  
 
 
  
 
 
  
 
 
  
 
 
   
 
 
  
 
 
 
Total
  
 
18,018,765
 
  
 
3,008,228
 
  
 
(253,242
) 
 
 
(7,811
) 
 
 
(10,744
) 
 
 
(22,161
) 
 
 
1,058,150
 
  
 
(45,821
) 
 
 
21,745,364
 
  
 
 
   
 
 
   
 
 
  
 
 
  
 
 
  
 
 
  
 
 
   
 
 
  
 
 
 
Accumulated depreciation
             
Network infrastructure (All operational)
   7,326,559    1,693,374    (218,894)   —     23,568   (6,887)   628,497    —     9,446,217 
Land and buildings
   209,918    50,514    (274)   —     9   —     4,686    (25,765)   239,088 
Equipment, fixtures and fittings
   539,827    77,694    (10,839)   —     49   (2,694)   29,470    —     633,507 
Motor vehicles
   31,306    2,637    (712)   —     —     (918)   1,917    —     34,230 
Leasehold improvements
   245,747    30,233    (547)   —     12   (1,639)   2,200    —     276,006 
  
 
 
   
 
 
   
 
 
  
 
 
  
 
 
  
 
 
  
 
 
   
 
 
  
 
 
 
Total
  
 
8,353,357
 
  
 
1,854,452
 
  
 
(231,266
) 
 
 
—  
 
 
 
23,638
 
 
 
(12,138
) 
 
 
666,770
 
  
 
(25,765
) 
 
 
10,629,048
 
  
 
 
   
 
 
   
 
 
  
 
 
  
 
 
  
 
 
  
 
 
   
 
 
  
 
 
 
Net book amount
  
 
9,665,408
 
  
 
1,153,776
 
  
 
(21,976
) 
 
 
(7,811
) 
 
 
(34,382
) 
 
 
(10,023
) 
 
 
391,380
 
  
 
(20,056
) 
 
 
11,116,316