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Property, Plant and Equipment, Net
 12 Months Ended
Dec. 31, 2021
Text block [abstract]  
Property, Plant and Equipment, Net
10. Property, Plant and Equipment, net
a)
An analysis of activity in property, plant and equipment, net for the years ended December 31, 2019, 2020 and 2021 is as follows:
 
   
At December 31,
2018
    
Additions
    
Retirements
    
Business
combinations
    
Effect of
translation of
foreign
subsidiaries and
hyperinflation
adjustment
    
Depreciation
for
the year
    
At December 31,
2019
  
Cost
                                                        
Network in operation and equipment
   Ps. 969,195,936     Ps. 82,992,062     Ps. (13,417,360 )    Ps. 9,572,805     Ps. (57,669,840 )    Ps. —       Ps. 990,673,603  
Land and buildings
     57,130,326       1,530,677       (4,025,222 )      115,935       (3,950,463 )      —         50,801,253  
Other assets
     149,809,137       26,881,611       (7,594,735 )      1,021,051       (7,776,500 )      —         162,340,564  
Construction in process and advances plant suppliers
(1)
    81,092,529       82,640,305       (76,892,011 )      209,790       (5,511,439 )      —         81,539,174  
Spare parts for operation of the network
     28,444,529       44,776,904       (36,525,735 )      —         (2,462,605 )      —         34,233,093  
   
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
Total
     1,285,672,457       238,821,559       (138,455,063 )      10,919,581       (77,370,847 )      —         1,319,587,687  
   
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
Accumulated depreciation
                                                        
Network in operation and equipment
     560,005,547       —         (24,954,514 )      —         (47,778,627 )      93,097,695       580,370,101  
Buildings
     8,810,949       —         (287,072 )      —         (1,386,974 )      2,330,405       9,467,308  
Other assets
     76,533,494       —         (695,425 )      —         (4,754,982 )      19,249,104       90,332,191  
Spare parts for operation of the network
     321,747       —         (283,986 )      —         (79,226 )      116,182       74,717  
   
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
Total
   Ps. 645,671,737     Ps. —       Ps. (26,220,997 )    Ps. —       Ps. (53,999,809 )    Ps. 114,793,386     Ps. 680,244,317  
   
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
Net Cost
   Ps. 640,000,720     Ps. 238,821,559     Ps. (112,234,066 )    Ps. 10,919,581     Ps. (23,371,038 )    Ps. (114,793,386 )    Ps. 639,343,370  
   
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
 
 
At December 31,
2019
 
 
Additions
 
 
Retirements
 
 
Business
combinations
 
 
Revaluation
adjustments
 
 
Transfers
 
 
Effect of
translation of
foreign
subsidiaries and
hyperinflation
adjustment
 
 
Depreciation
for
the year
 
 
At December 31,
2020
 
Cost
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Network in operation and equipment
 
Ps.
 990,673,603
 
 
Ps.
 90,387,449
 
 
Ps.
(19,574,391
) 
 
Ps.
 996,974
 
 
Ps.
 107,152,628
 
 
Ps.
(62,050,212
) 
 
Ps.
 (49,993,808
) 
 
Ps.
—  
 
 
Ps.
 1,057,592,243
 
Land and buildings
     50,801,253       570,062       (2,853,037 )      —         —         —         369,300       —         48,887,578  
Other assets
     162,340,564       17,474,218       (14,454,598 )      55,848       —         —         (8,393,187 )      —         157,022,845  
Construction in process and advances plant suppliers
(1)
     81,539,174       59,635,316       (68,661,847 )      1,099       —         —         (5,011,829 )      —         67,501,913  
Spare parts for operation of the network
     34,233,093       30,721,413       (37,829,818 )      —         —         —         (2,328,430 )      —         24,796,258  
   
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
Total
 
 
 1,319,587,687
 
 
 
 198,788,458
 
 
 
 (143,373,691
) 
 
 
 1,053,921
 
 
 
 107,152,628
 
 
 
 (62,050,212
) 
 
 
 (65,357,954
) 
 
 
—  
 
 
 
 1,355,800,837
 
   
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
Accumulated depreciation
                                                                        
Network in operation and equipment
 
 
 580,370,101
 
 
 
—  
 
 
 
 (25,726,856
) 
 
 
—  
 
 
 
—  
 
 
 
 (62,050,212
)
(
2
)
 
 
 
 (58,055,450
) 
 
 
 96,729,723
 
 
 
 531,267,306
 
Buildings
 
 
 9,467,308
 
 
 
—  
 
 
 
 (1,663,796
) 
 
 
—  
 
 
 
—  
 
 
 
—  
 
 
 
 (622,253
) 
 
 
 1,906,140
 
 
 
 9,087,399
 
Other assets
 
 
 90,332,191
 
 
 
—  
 
 
 
 (9,317,821
) 
 
 
—  
 
 
 
—  
 
 
 
—  
 
 
 
 (5,120,175
) 
 
 
 16,549,822
 
 
 
 92,444,017
 
Spare parts for operation of the network
 
 
 74,717
 
 
 
—  
 
 
 
 (176,131
) 
 
 
—  
 
 
 
—  
 
 
 
—  
 
 
 
 38,898
 
 
 
 135,000
 
 
 
 72,484
 
   
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
Total
 
Ps.
 680,244,317
 
 
Ps.
—  
 
 
Ps.
 (36,884,604
) 
 
Ps.
—  
 
 
Ps.
—  
 
 
Ps.
 (62,050,212
) 
 
Ps.
 (63,758,980
) 
 
Ps.
 115,320,685
 
 
P
 
s

  632,871,206
 
   
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
 
  
Net Cost
 
Ps.
 639,343,370
 
 
Ps.
 198,788,458
 
 
Ps.
 (106,489,087
) 
 
Ps.
 1,053,921
 
 
Ps.
 107,152,628
 
 
.
—  
 
 
Ps.
 (1,598,974
) 
 
Ps.
 (115,320,685
) 
 
Ps.
 722,929,631
 
   
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
 
 
 
At

December 31,
2020
 
 
Additions
 
 
Retirements 
(3)
 
 
Business
combinations
 
 
Transfers
 
 
Effect of
translation of
foreign
subsidiaries and
hyperinflation
adjustment
 
 
Depreciation
for
the year
 
 
At December 31,
2021
 
Cost
 
      
 
      
 
      
 
      
 
      
 
      
 
      
 
      
Network in operation and equipment
 
Ps.
1,057,592,243
    
Ps.
89,696,150
 
  
Ps.
(45,044,049
) 
  
Ps.
—  
 
  
Ps.
53,531,590
 
  
Ps.
(44,061,097
) 
  
Ps.
—  
 
  
Ps
.
1,111,714,837
 
Land and buildings
 
 
48,887,578
 
  
 
784,460
 
  
 
(473,785
) 
  
 
—  
    
 
38,250
    
 
(1,216,894
) 
  
 
—  
 
  
 
48,019,609
  
Other assets
 
 
157,022,845
 
  
 
10,782,903
    
 
(11,994,756
)
  
 
—  
    
 
(1,800,756
)
  
 
(1,870,104
)
  
 
—  
 
  
 
152,140,132
  
Construction in process and advances plant suppliers
(1)
 
 
67,501,913
 
  
 
83,366,813
    
 
(47,178,796
)
  
 
—  
    
 
(38,944,421
)
  
 
(1,420,843
) 
  
 
—  
 
  
 
63,324,666
  
Spare parts for operation of the network
 
 
24,796,258
 
  
 
46,909,494
    
 
(23,108,928
)
  
 
—  
    
 
(13,824,767
)
  
 
(974,011
) 
  
 
—  
 
  
 
33,798,046
  
 
 
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
Total
 
 
1,355,800,837
 
  
 
231,539,820
    
 
(127,800,314
)
  
 
—  
    
 
(1,000,104
)
  
 
(49,542,949
)
  
 
—  
 
  
 
1,408,997,290
  
 
 
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
Accumulated depreciation
 
                                                              
Network in operation and equipment
 
 
531,267,306
 
  
 
—  
    
 
(24,322,904
)
  
 
—  
    
 
638,066
    
 
(30,254,288
)
  
 
97,343,878
    
 
574,672,058
  
Buildings
 
 
9,087,399
 
  
 
—  
    
 
(219,030
)
  
 
—  
    
 
(221,937
)
  
 
(738,748
) 
  
 
1,941,819
    
 
9,849,503
  
Other assets
 
 
92,444,017
 
  
 
—  
    
 
(10,522,319
)
  
 
—  
    
 
549,855
    
 
(2,522,458
)
  
 
13,310,584
 
  
 
93,259,679
  
Spare parts for operation of the network
 
 
72,484
 
  
 
—  
    
 
(92,421
)
  
 
—  
    
 
—  
    
 
(26,823
) 
  
 
66,131
    
 
19,371
  
 
 
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
Total
 
Ps
632,871,206
 
  
Ps
.
—  
    
Ps.
(35,156,674
) 
  
Ps.
—  
 
  
Ps.
(965,984
) 
  
Ps
.
(33,542,317
) 
  
Ps.
112,662,412
 
  
Ps
.
677,800,611
 
 
 
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
Net Cost
 
Ps
.
722,929,631
 
  
Ps
.
231,539,820
 
  
Ps
.
(92,643,640
) 
  
Ps.
—  
 
  
Ps.
(1,966,088
) 
  
Ps.
(16,000,632
)
 
  
Ps
.
(112,662,412
) 
  
Ps
.
731,196,679
 
   
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
    
 
 
  
 
(1)
 
Construction in progress includes fixed and mobile network facilities as well as satellite developments and fiber optic which is in the process of being installed.
(2)
 
This transfer relates to the accumulated depreciation as at the revaluation date that was eliminated against the gross carrying amount of the revalued asset.
(3)
 
Includes disposals related to the sale of TracFone. See Note 2Ac.
The completion period of construction in progress is variable and depends upon the type of plant and equipment under construction.
b) Revaluation of t
e
lecommunications towers
The Fair value of the passive infrastructure of telecommunications towers was determined using the “income approach” method through a discounted flow model (DFC) where, among others, inputs such as average rents per tower were used, contract term and discount rates considering market information.
As of December 31, 2020 and 2021, date of the revaluation, the fair values of the passive infrastructure of the telecommunications towers were determinate by a valuation specialist with experience in the industry. The complement for the revaluation of the passive infrastructure of the telecommunications towers amounted to Ps.
 
107,152,628 and 98,172,675, respectively, and was recognized in OCI, the change in revaluation did not have an impact
during 2020. For
the year 
ended
as of December 31, 2021 the impact amounted to Ps. 6,450,825.
The information to be disclosed on the fair value measurement for the revalued telecommunications towers is provided in Note 19.
 
 
  
2020
 
  
2021
 
Book value as of December 31, (cost model)
   
Ps.

 615,777,003     
Ps.
633,024,004
 
Supplement for change in accounting policy
      107,152,628     
 
98,172,675
 
    
 
 
     
 
 
  
Book value and fair value as of December 31, (revaluation model)
   
Ps.
 722,929,631     
Ps.
731,196,679
 
    
 
 
     
 
 
  
c) Relevant information related to the computation of the capitalized borrowing costs is as follows:
 
    
Year ended December 31,
  
     2019      2020     
2021
  
Amount invested in the acquisition of qualifying assets
      Ps. 50,783,957        Ps. 46,528,232       
Ps. 38,573,605
 
Capitalized interest
      2,233,358        1,771,613     
 
1,527,259
 
Capitalization rate
      4.4 %      3.8 %   
 
4.0
 %
Capitalized interest is being amortized over a period of estimated useful life of the related assets.