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CONSOLIDATED BUSINESS SEGMENT INFORMATION (Tables)
 12 Months Ended
Dec. 31, 2018
CONSOLIDATED BUSINESS SEGMENT INFORMATION [Abstract]  
Business Segments
Detailed information on each business segment for the years ended December 31, 2018, 2017 and 2016 is disclosed below:

Year ended December 31, 2018
 
  
Natural Gas
Transportation
  
Production and
Commercialization
of Liquids
  
Other
Services
  
Telecommunications
  
Eliminations
  
Total
 
Revenues
  
15,462,061
   
16,627,429
   
1,810,109
   
163,071
   
-
   
34,062,670
 
Intercompany revenues
  
598,414
   
-
   
-
   
-
   
(598,414
)
  
-
 
Cost of sales
  
(5,164,278
)
  
(10,485,998
)
  
(1,054,245
)
  
(82,203
)
  
598,414
   
(16,188,310
)
Administrative expenses
  
(835,134
)
  
(84,062
)
  
(35,980
)
  
(6,637
)
  
-
   
(961,813
)
Selling expenses
  
(953,729
)
  
(640,173
)
  
(143,451
)
  
(27,348
)
  
-
   
(1,764,701
)
Other operating expenses
  
(156,283
)
  
(726,732
)
  
(5,445
)
  
(2,327
)
  
-
   
(890,787
)
Operating profit
  
8,951,051
   
4,690,464
   
570,988
   
44,556
   
-
   
14,257,059
 
Depreciation of property, plant and equipment
  
(1,880,377
)
  
(113,737
)
  
(228,969
)
  
-
   
-
   
(2,223,083
)

  
Natural Gas
Transportation
  
Production and
Commercialization
of Liquids
  
Other
Services
  
Telecommunications
  
Total
 
Identifiable assets
  
45,246,427
   
9,040,987
   
7,554,646
   
100,967
   
61,943,027
 
Identifiable Liabilities
  
16,738,045
   
1,496,225
   
12,717,432
   
46,020
   
30,997,722
 

Year ended December 31, 2017
 

 
Natural Gas
Transportation
  
Production and
Commercialization
of Liquids
  
Other
Services
  
Telecommunications
  
Eliminations
  
Total
 
Revenues
  
7,456,052
   
11,173,975
   
1,199,170
   
124,069
   
-
   
19,953,266
 
Intercompany revenues
  
245,161
   
-
   
-
   
-
   
(245,161
)
  
-
 
Cost of sales
  
(4,178,865
)
  
(7,271,556
)
  
(655,830
)
  
(74,592
)
  
245,161
   
(11,935,682
)
Administrative expenses
  
(597,122
)
  
(93,720
)
  
(36,475
)
  
(6,557
)
  
-
   
(733,874
)
Selling expenses
  
(419,570
)
  
(265,336
)
  
(106,916
)
  
(15,474
)
  
-
   
(807,296
)
Other operating expenses
  
(327,245
)
  
64,694
   
(9,198
)
  
154
   
-
   
(271,595
)
Operating profit
  
2,178,411
   
3,608,057
   
390,751
   
27,600
   
-
   
6,204,819
 
Depreciation of property, plant and equipment
  
(1,695,112
)
  
(95,318
)
  
(229,786
)
  
-
   
-
   
(2,020,216
)

    
Natural Gas
Transportation
  
Production and
Commercialization
of Liquids
  
Other
Services
  
Telecommunications
  
Total
 
Identifiable assets
  
34,792,004
   
6,846,690
   
3,069,476
   
145,257
   
44,853,427
 
Identifiable Liabilities
  
15,451,091
   
2,176,705
   
1,907,129
   
38,913
   
19,573,838
 

Year ended December 31, 2016
 
    
Natural Gas
Transportation
  
Production and
Commercialization
of Liquids
  
Other
Services
  
Telecommunications
  
Eliminations
  
Total
 
Revenues
  
4,162,220
   
9,404,793
   
956,948
   
121,549
   
-
   
14,645,510
 
Intercompany revenues
  
138,502
   
-
   
-
   
-
   
(138,502
)
  
-
 
Cost of sales
  
(3,259,674
)
  
(6,407,872
)
  
(433,877
)
  
(62,503
)
  
138,502
   
(10,025,424
)
Administrative expenses
  
(784,885
)
  
(61,573
)
  
(27,850
)
  
(6,459
)
  
-
   
(880,767
)
Selling expenses
  
(239,294
)
  
(353,913
)
  
(87,741
)
  
(14,910
)
  
-
   
(695,858
)
Other operating expenses
  
(90,032
)
  
(37,417
)
  
(2,350
)
  
(845
)
  
-
   
(130,644
)
Operating profit
  
(73,163
)
  
2,544,018
   
405,130
   
36,832
   
-
   
2,912,817
 
Depreciation of property, plant and equipment
  
(1,884,543
)
  
(87,926
)
  
(122,949
)
  
-
   
-
   
(2,095,418
)