XML 100 R79.htm IDEA: XBRL DOCUMENT
v3.19.1

PROPERTY, PLANT AND EQUIPMENT (Details) - ARS ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year | [1] | $ 34,160,708 |  |  |
Depreciation |  | 2,223,083 | $ 2,020,216 |  | $ 2,095,418
End of the year |  | 38,685,519 | 34,160,708 | [1] |
Financial Lease [Abstract] |  |  |  |  |
Cost-Capitalized financial leasing |  | 1,429,713 | 1,429,713 |  |
Accumulated depreciation |  | (222,649) | (130,518) |  |
Total |  | $ 1,207,064 | 1,299,195 |  |
Financial leasing agreement expiration date |  | Sep. 30, 2026 |  |  |
Pipelines [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | $ 20,506,011 |  |  |
End of the year |  | 20,360,703 | 20,506,011 |  |
Compressor Plants [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 4,559,753 |  |  |
End of the year |  | 4,923,385 | 4,559,753 |  |
Other Plants [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 12,577 |  |  |
End of the year |  | 11,993 | 12,577 |  |
Stations of Regulation and/or Measurement of Pressure [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 307,151 |  |  |
End of the year |  | 275,253 | 307,151 |  |
Other Technical Installations [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 39,870 |  |  |
End of the year |  | 39,436 | 39,870 |  |
Subtotal Assets Related to Natural Gas Transportation Service [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 25,425,362 |  |  |
End of the year |  | 25,610,770 | 25,425,362 |  |
Assets Related to Natural Gas Upstream Service [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 2,159,431 |  |  |
End of the year |  | 1,905,509 | 2,159,431 |  |
Assets Related to Liquids Production and Commercialization Service [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 1,071,726 |  |  |
End of the year |  | 1,374,855 | 1,071,726 |  |
Lands [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 71,837 |  |  |
End of the year |  | 107,348 | 71,837 |  |
Buildings and Constructions [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 837,467 |  |  |
End of the year |  | 882,731 | 837,467 |  |
Fittings and Features in Building [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 98,503 |  |  |
End of the year |  | 102,917 | 98,503 |  |
Machinery, Equipment and Tools [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 117,547 |  |  |
End of the year |  | 231,087 | 117,547 |  |
UT Machinery, Equipment and Tools [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 0 |  |  |
End of the year |  | 145 | 0 |  |
Computers and Telecommunication Systems [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 363,445 |  |  |
End of the year |  | 491,991 | 363,445 |  |
Vehicles [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 72,062 |  |  |
End of the year |  | 87,527 | 72,062 |  |
Furniture [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 5,434 |  |  |
End of the year |  | 4,701 | 5,434 |  |
Materials [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 1,572,902 |  |  |
End of the year |  | 1,536,373 | 1,572,902 |  |
Line Pack [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 135,749 |  |  |
End of the year |  | 358,222 | 135,749 |  |
Works in Progress [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 2,229,243 |  |  |
End of the year |  | 5,991,343 | 2,229,243 |  |
Cost [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 76,666,974 | 74,625,478 |  |
Additions |  | 6,906,410 | 2,296,641 |  |
Retirements |  | 2,510,862 | 255,145 |  |
Transfers |  | 0 | 0 |  |
End of the year |  | 81,062,522 | 76,666,974 |  | 74,625,478
Cost [Member] | Pipelines [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 39,112,667 | 38,613,449 |  |
Additions |  | 0 | 0 |  |
Retirements |  | 18,101 | 17,399 |  |
Transfers |  | 831,882 | 516,617 |  |
End of the year |  | 39,926,448 | 39,112,667 |  | 38,613,449
Cost [Member] | Compressor Plants [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 14,541,520 | 14,181,525 |  |
Additions |  | 0 | 2,660 |  |
Retirements |  | 308,660 | 189,100 |  |
Transfers |  | 1,023,210 | 546,435 |  |
End of the year |  | 15,256,070 | 14,541,520 |  | 14,181,525
Cost [Member] | Other Plants [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 17,219 | 17,219 |  |
Additions |  | 0 | 0 |  |
Retirements |  | 0 | 0 |  |
Transfers |  | 0 | 0 |  |
End of the year |  | 17,219 | 17,219 |  | 17,219
Cost [Member] | Stations of Regulation and/or Measurement of Pressure [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 1,360,656 | 1,350,336 |  |
Additions |  | 1,081 | 0 |  |
Retirements |  | 5,948 | 0 |  |
Transfers |  | 4,001 | 10,320 |  |
End of the year |  | 1,359,790 | 1,360,656 |  | 1,350,336
Cost [Member] | Other Technical Installations [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 264,962 | 259,919 |  |
Additions |  | 0 | 0 |  |
Retirements |  | 1,330 | 11,194 |  |
Transfers |  | 5,308 | 16,237 |  |
End of the year |  | 268,940 | 264,962 |  | 259,919
Cost [Member] | Subtotal Assets Related to Natural Gas Transportation Service [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 55,297,024 | 54,422,448 |  |
Additions |  | 1,081 | 2,660 |  |
Retirements |  | 334,039 | 217,693 |  |
Transfers |  | 1,864,401 | 1,089,609 |  |
End of the year |  | 56,828,467 | 55,297,024 |  | 54,422,448
Cost [Member] | Assets Related to Natural Gas Upstream Service [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 3,489,476 | 3,231,072 |  |
Additions |  | 5,971 | 0 |  |
Retirements |  | 197,269 | 2,815 |  |
Transfers |  | (32,913) | 261,219 |  |
End of the year |  | 3,265,265 | 3,489,476 |  | 3,231,072
Cost [Member] | Assets Related to Liquids Production and Commercialization Service [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 7,030,019 | 6,839,452 |  |
Additions |  | 0 | 0 |  |
Retirements |  | 474,602 | 3,922 |  |
Transfers |  | 434,953 | 194,489 |  |
End of the year |  | 6,990,370 | 7,030,019 |  | 6,839,452
Cost [Member] | Lands [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 71,837 | 71,830 |  |
Additions |  | 35,511 | 7 |  |
Retirements |  | 0 | 0 |  |
Transfers |  | 0 | 0 |  |
End of the year |  | 107,348 | 71,837 |  | 71,830
Cost [Member] | Buildings and Constructions [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 1,985,027 | 1,945,894 |  |
Additions |  | 0 | 0 |  |
Retirements |  | 48,091 | 1,027 |  |
Transfers |  | 90,998 | 40,160 |  |
End of the year |  | 2,027,934 | 1,985,027 |  | 1,945,894
Cost [Member] | Fittings and Features in Building [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 165,920 | 165,425 |  |
Additions |  | 0 | 0 |  |
Retirements |  | 11,752 | 0 |  |
Transfers |  | 17,252 | 495 |  |
End of the year |  | 171,420 | 165,920 |  | 165,425
Cost [Member] | Machinery, Equipment and Tools [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 513,762 | 430,019 |  |
Additions |  | 129,963 | 82,172 |  |
Retirements |  | 47,758 | 0 |  |
Transfers |  | 10,981 | 1,571 |  |
End of the year |  | 606,948 | 513,762 |  | 430,019
Cost [Member] | UT Machinery, Equipment and Tools [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 0 | 0 |  |
Additions |  | 591 | 0 |  |
Retirements |  | 0 | 0 |  |
Transfers |  | 0 | 0 |  |
End of the year |  | 591 | 0 |  | 0
Cost [Member] | Computers and Telecommunication Systems [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 3,745,839 | 3,672,719 |  |
Additions |  | 168 | 0 |  |
Retirements |  | 1,355,581 | 0 |  |
Transfers |  | 325,263 | 73,120 |  |
End of the year |  | 2,715,689 | 3,745,839 |  | 3,672,719
Cost [Member] | Vehicles [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 263,745 | 235,191 |  |
Additions |  | 38,089 | 49,029 |  |
Retirements |  | 5,817 | 20,475 |  |
Transfers |  | 0 | 0 |  |
End of the year |  | 296,017 | 263,745 |  | 235,191
Cost [Member] | Furniture [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 148,460 | 148,206 |  |
Additions |  | 0 | 0 |  |
Retirements |  | 0 | 0 |  |
Transfers |  | 104 | 254 |  |
End of the year |  | 148,564 | 148,460 |  | 148,206
Cost [Member] | Materials [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 1,572,902 | 1,118,657 |  |
Additions |  | 572,326 | 514,263 |  |
Retirements |  | 35,953 | 9,213 |  |
Transfers |  | (572,902) | (50,805) |  |
End of the year |  | 1,536,373 | 1,572,902 |  | 1,118,657
Cost [Member] | Line Pack [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 153,720 | 153,720 |  |
Additions |  | 0 | 0 |  |
Retirements |  | 0 | 0 |  |
Transfers |  | 222,473 | 0 |  |
End of the year |  | 376,193 | 153,720 |  | 153,720
Cost [Member] | Works in Progress [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 2,229,243 | 2,190,845 |  |
Additions |  | 6,122,710 | 1,648,510 |  |
Retirements |  | 0 | 0 |  |
Transfers |  | (2,360,610) | (1,610,112) |  |
End of the year |  | 5,991,343 | 2,229,243 |  | 2,190,845
Depreciation [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 42,506,266 | 40,609,776 |  |
Retirements |  | 2,352,346 | 123,726 |  |
Depreciation |  | 2,223,083 | 2,020,216 |  |
End of the year |  | 42,377,003 | 42,506,266 |  | 40,609,776
Depreciation [Member] | Pipelines [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 18,606,656 | 17,678,180 |  |
Retirements |  | 300 | 63 |  |
Depreciation |  | $ 959,389 | $ 928,539 |  |
Depreciation rate % |  | 2.20% | 2.20% |  |
End of the year |  | $ 19,565,745 | $ 18,606,656 |  | 17,678,180
Depreciation [Member] | Compressor Plants [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 9,981,767 | 9,508,571 |  |
Retirements |  | 278,943 | 102,860 |  |
Depreciation |  | 629,861 | 576,056 |  |
End of the year |  | $ 10,332,685 | $ 9,981,767 |  | 9,508,571
Depreciation [Member] | Compressor Plants [Member] | Bottom of Range [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Depreciation rate % |  | 3.30% | 3.30% |  |
Depreciation [Member] | Compressor Plants [Member] | Top of Range [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Depreciation rate % |  | 25.00% | 25.00% |  |
Depreciation [Member] | Other Plants [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | $ 4,642 | $ 4,058 |  |
Retirements |  | 0 | 0 |  |
Depreciation |  | $ 584 | $ 584 |  |
Depreciation rate % |  | 3.30% | 3.30% |  |
End of the year |  | $ 5,226 | $ 4,642 |  | 4,058
Depreciation [Member] | Stations of Regulation and/or Measurement of Pressure [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 1,053,505 | 1,002,347 |  |
Retirements |  | 5,163 | 0 |  |
Depreciation |  | $ 36,195 | $ 51,158 |  |
Depreciation rate % |  | 4.00% | 4.00% |  |
End of the year |  | $ 1,084,537 | $ 1,053,505 |  | 1,002,347
Depreciation [Member] | Other Technical Installations [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 225,092 | 219,216 |  |
Retirements |  | 1,330 | 187 |  |
Depreciation |  | $ 5,742 | $ 6,063 |  |
Depreciation rate % |  | 6.70% | 6.70% |  |
End of the year |  | $ 229,504 | $ 225,092 |  | 219,216
Depreciation [Member] | Subtotal Assets Related to Natural Gas Transportation Service [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 29,871,662 | 28,412,372 |  |
Retirements |  | 285,736 | 103,110 |  |
Depreciation |  | 1,631,771 | 1,562,400 |  |
End of the year |  | 31,217,697 | 29,871,662 |  | 28,412,372
Depreciation [Member] | Assets Related to Natural Gas Upstream Service [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 1,330,045 | 1,123,382 |  |
Retirements |  | 177,846 | 100 |  |
Depreciation |  | 207,557 | 206,763 |  |
End of the year |  | $ 1,359,756 | $ 1,330,045 |  | 1,123,382
Depreciation [Member] | Assets Related to Natural Gas Upstream Service [Member] | Bottom of Range [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Depreciation rate % |  | 3.30% | 3.30% |  |
Depreciation [Member] | Assets Related to Natural Gas Upstream Service [Member] | Top of Range [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Depreciation rate % |  | 25.00% | 25.00% |  |
Depreciation [Member] | Assets Related to Liquids Production and Commercialization Service [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | $ 5,958,293 | $ 5,878,107 |  |
Retirements |  | 440,455 | 36 |  |
Depreciation |  | $ 97,677 | $ 80,222 |  |
Depreciation rate % |  | 3.30% | 3.30% |  |
End of the year |  | $ 5,615,515 | $ 5,958,293 |  | 5,878,107
Depreciation [Member] | Lands [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 0 | 0 |  |
Retirements |  | 0 | 0 |  |
Depreciation |  | $ 0 | $ 0 |  |
Depreciation rate % |  | 0.00% | 0.00% |  |
End of the year |  | $ 0 | $ 0 |  | 0
Depreciation [Member] | Buildings and Constructions [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 1,147,560 | 1,112,381 |  |
Retirements |  | 38,159 | 5 |  |
Depreciation |  | $ 35,802 | $ 35,184 |  |
Depreciation rate % |  | 2.00% | 2.00% |  |
End of the year |  | $ 1,145,203 | $ 1,147,560 |  | 1,112,381
Depreciation [Member] | Fittings and Features in Building [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 67,417 | 60,396 |  |
Retirements |  | 6,123 | 0 |  |
Depreciation |  | $ 7,209 | $ 7,021 |  |
Depreciation rate % |  | 4.00% | 4.00% |  |
End of the year |  | $ 68,503 | $ 67,417 |  | 60,396
Depreciation [Member] | Machinery, Equipment and Tools [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 396,215 | 382,173 |  |
Retirements |  | 47,588 | 0 |  |
Depreciation |  | 27,234 | 14,042 |  |
End of the year |  | $ 375,861 | $ 396,215 |  | 382,173
Depreciation [Member] | Machinery, Equipment and Tools [Member] | Bottom of Range [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Depreciation rate % |  | 6.70% | 6.70% |  |
Depreciation [Member] | Machinery, Equipment and Tools [Member] | Top of Range [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Depreciation rate % |  | 10.00% | 10.00% |  |
Depreciation [Member] | UT Machinery, Equipment and Tools [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | $ 0 | $ 0 |  |
Retirements |  | 0 | 0 |  |
Depreciation |  | 446 | 0 |  |
End of the year |  | $ 446 | $ 0 |  | 0
Depreciation [Member] | UT Machinery, Equipment and Tools [Member] | Bottom of Range [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Depreciation rate % |  | 6.70% | 6.70% |  |
Depreciation [Member] | UT Machinery, Equipment and Tools [Member] | Top of Range [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Depreciation rate % |  | 10.00% | 10.00% |  |
Depreciation [Member] | Computers and Telecommunication Systems [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | $ 3,382,394 | $ 3,286,123 |  |
Retirements |  | 1,350,936 | 0 |  |
Depreciation |  | 192,240 | 96,271 |  |
End of the year |  | $ 2,223,698 | $ 3,382,394 |  | 3,286,123
Depreciation [Member] | Computers and Telecommunication Systems [Member] | Bottom of Range [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Depreciation rate % |  | 6.70% | 6.70% |  |
Depreciation [Member] | Computers and Telecommunication Systems [Member] | Top of Range [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Depreciation rate % |  | 20.00% | 20.00% |  |
Depreciation [Member] | Vehicles [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | $ 191,683 | $ 194,679 |  |
Retirements |  | 5,503 | 20,475 |  |
Depreciation |  | $ 22,310 | $ 17,479 |  |
Depreciation rate % |  | 20.00% | 20.00% |  |
End of the year |  | $ 208,490 | $ 191,683 |  | 194,679
Depreciation [Member] | Furniture [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 143,026 | 142,192 |  |
Retirements |  | 0 | 0 |  |
Depreciation |  | $ 837 | $ 834 |  |
Depreciation rate % |  | 10.00% | 10.00% |  |
End of the year |  | $ 143,863 | $ 143,026 |  | 142,192
Depreciation [Member] | Materials [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 0 | 0 |  |
Retirements |  | 0 | 0 |  |
Depreciation |  | $ 0 | $ 0 |  |
Depreciation rate % |  | 0.00% | 0.00% |  |
End of the year |  | $ 0 | $ 0 |  | 0
Depreciation [Member] | Line Pack [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 17,971 | 17,971 |  |
Retirements |  | 0 | 0 |  |
Depreciation |  | $ 0 | $ 0 |  |
Depreciation rate % |  | 0.00% | 0.00% |  |
End of the year |  | $ 17,971 | $ 17,971 |  | 17,971
Depreciation [Member] | Works in Progress [Member] |  |  |  |  |
Reconciliation of changes in property, plant and equipment [Abstract] |  |  |  |  |
Beginning of the year |  | 0 | 0 |  |
Retirements |  | 0 | 0 |  |
Depreciation |  | $ 0 | $ 0 |  |
Depreciation rate % |  | 0.00% | 0.00% |  |
End of the year |  | $ 0 | $ 0 |  | $ 0
[1] | The Company has applied IFRS 15 and IFRS 9 for the first time on January 1, 2018. In accordance with the transition methods chosen, the comparative information has not been modified. See Note 4.a)

X
- Definition The amount of additions to property, plant and equipment other than those acquired through business combinations. [Refer: Business combinations [member]; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_i&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_AdditionsOtherThanThroughBusinessCombinationsPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 73 -Subparagraph e -Clause vii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e_vii&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 75 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_75_a&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_DepreciationPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The increase (decrease) in property, plant and equipment resulting from transfers. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_IncreaseDecreaseThroughTransfersPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_54_a&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_PropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
Name: | ifrs-full_ReconciliationOfChangesInPropertyPlantAndEquipmentAbstract
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The decrease in property, plant and equipment resulting from retirements. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 16 -IssueDate 2018-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2018-03-01&anchor=para_73_e&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_RetirementsPropertyPlantAndEquipment
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of accumulated depreciation for financial lease. + References No definition available. + Details
Name: | tgs_AccumulatedDepreciationFinancialLease
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of cost-capitalized financial lease before accumulated depreciation. + References No definition available. + Details
Name: | tgs_CostCapitalizedFinancialLease
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The percentage of depreciation of property, plant and equipment. [Refer: Depreciation and amortisation expense; Property, plant and equipment] + References No definition available. + Details
Name: | tgs_DepreciationPercentagePropertyPlantAndEquipment
Namespace Prefix: | tgs_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | tgs_FinancialLeaseAbstract
Namespace Prefix: | tgs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Refers to financial leasing agreement expiration date. + References No definition available. + Details
Name: | tgs_FinancialLeasingAgreementExpirationDate
Namespace Prefix: | tgs_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of financial lease after accumulated depreciation. + References No definition available. + Details
Name: | tgs_NetFinancialLease
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=tgs_PipelineMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=tgs_CompressorPlantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=tgs_OtherPlantsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=tgs_StationsOfRegulationAndMeasurementOfPressureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=tgs_OtherTechnicalInstallationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=tgs_SubtotalAssetsRelatedToNaturalGasTransportationServiceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=tgs_AssetsRelatedToNaturalGasUpstreamServiceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=tgs_AssetsRelatedToLiquidsProductionAndCommercializationServiceMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_LandMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_BuildingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_FixturesAndFittingsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_MachineryMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=tgs_JointOperationsMachineryEquipmentAndToolsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_ComputerEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_VehiclesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=tgs_FurnitureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=tgs_MaterialsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=tgs_LinePackMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfPropertyPlantAndEquipmentAxis=ifrs-full_ConstructionInProgressMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=ifrs-full_GrossCarryingAmountMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CarryingAmountAccumulatedDepreciationAmortisationAndImpairmentAndGrossCarryingAmountAxis=ifrs-full_AccumulatedDepreciationAndAmortisationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_BottomOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_RangeAxis=ifrs-full_TopOfRangeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |