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CONSOLIDATED BUSINESS SEGMENT INFORMATION (Tables)
 12 Months Ended
Dec. 31, 2020
CONSOLIDATED BUSINESS SEGMENT INFORMATION [Abstract]  
Business Segments
Detailed information on each business segment for the years ended December 31, 2020, 2019 and 2018 is disclosed below:

Year ended December 31, 2020
 
  
Natural Gas
Transportation
  
Production and
Commercialization of
Liquids
  
Other
Services
  
Telecommunications
  
Eliminations
  
Total
 
Revenues from sales
  
23,501,610
   
27,596,696
   
4,364,503
   
408,629
   
-
   
55,871,438
 
Intersegment revenues
  
844,600
   
-
   
-
   
-
   
(844,600
)
  
-
 
Cost of sales
  
(9,937,565
)
  
(15,833,436
)
  
(2,359,778
)
  
(279,526
)
  
844,600
   
(27,565,705
)
Administrative expenses
  
(1,242,079
)
  
(253,786
)
  
(174,262
)
  
(12,665
)
  
-
   
(1,682,792
)
Selling expenses
  
(1,459,316
)
  
(1,176,009
)
  
(299,758
)
  
(32,661
)
  
-
   
(2,967,744
)
Other operating (expenses) / income
  
(44,139
)
  
139,965
   
2,511
   
1,492
   
-
   
99,829
 
   
(3,114,056
)
  
-
   
-
   
-
   
-
   
(3,114,056
)
Operating profit
  
8,549,055
   
10,473,430
   
1,533,216
   
85,269
   
-
   
20,640,970
 
Depreciation of property, plant and equipment
  
(4,562,752
)
  
(382,776
)
  
(1,215,705
)
  
-
   
-
   
(6,161,233
)

  
Natural Gas
Transportation
  
Commercialization of
Liquids
  
Other
Services
  
Telecommunications
  
Total
 
Identifiable assets
  
82,754,090
   
17,693,606
   
27,901,503
   
245,167
   
128,594,366
 
Identifiable liabilities
  
27,615,557
   
5,438,248
   
29,442,395
   
71,522
   
62,567,722
 

Year ended December 31, 2019
 
  
Natural Gas
Transportation
  
Production and
Commercialization of
Liquids
  
Other
Services
  
Telecommunications
  
Eliminations
  
Total
 
Revenue from sales
  
30,795,577
   
31,500,457
   
3,439,787
   
376,082
   
-
   
66,111,903
 
Intersegment revenues
  
838,616
   
-
   
-
   
-
   
(838,616
)
  
-
 
Cost of sales
  
(11,800,176
)
  
(19,960,308
)
  
(2,075,388
)
  
(187,697
)
  
838,616
   
(33,184,953
)
Administrative expenses
  
(1,420,653
)
  
(196,469
)
  
(83,074
)
  
(15,584
)
  
-
   
(1,715,780
)
Selling expenses
  
(1,829,130
)
  
(1,892,647
)
  
(359,950
)
  
(56,344
)
  
-
   
(4,138,071
)
Other operating (expenses) / income
  
(186,412
)
  
4,356
   
4,868
   
3,574
   
-
   
(173,614
)
Operating profit
  
16,397,822
   
9,455,389
   
926,243
   
120,031
   
-
   
26,899,485
 
Depreciation of property, plant and equipment
  
(4,081,800
)
  
(335,886
)
  
(613,548
)
  
-
   
-
   
(5,031,234
)

  
Natural Gas
Transportation
  
Production and
Commercialization of
Liquids
  
Other
Services
  
Telecommunications
  
Total
 
Identifiable assets
  
87,717,005
   
14,792,025
   
27,351,498
   
291,677
   
130,152,205
 
Identifiable liabilities
  
39,942,095
   
4,211,136
   
20,448,533
   
89,323
   
64,691,087
 

Year ended December 31, 2018
 
  
Natural Gas
Transportation
  
Production and
Commercialization of
Liquids
  
Other
Services
  
Telecommunications
  
Eliminations
  
Total
 
Revenue from sales
  
32,381,937
   
34,822,547
   
3,790,881
   
341,517
   
-
   
71,336,882
 
Intersegment revenues
  
1,253,249
   
-
   
-
   
-
   
(1,253,249
)
  
-
 
Cost of sales
  
(10,815,462
)
  
(21,960,652
)
  
(2,207,887
)
  
(172,156
)
  
1,253,249
   
(33,902,908
)
Administrative expenses
  
(1,749,008
)
  
(176,050
)
  
(75,351
)
  
(13,900
)
  
-
   
(2,014,309
)
Selling expenses
  
(1,997,378
)
  
(1,340,704
)
  
(300,427
)
  
(57,275
)
  
-
   
(3,695,784
)
Other operating (expenses) / income
  
(327,301
)
  
(1,521,982
)
  
(11,402
)
  
(4,875
)
  
-
   
(1,865,560
)
Operating profit
  
18,746,037
   
9,823,159
   
1,195,814
   
93,311
   
-
   
29,858,321
 
Depreciation of property, plant and equipment
  
(3,938,031
)
  
(238,197
)
  
(479,535
)
  
-
   
-
   
(4,655,763
)