XML 84 R67.htm IDEA: XBRL DOCUMENT
v3.8.0.1

PROPERTY, PLANT AND EQUIPMENT (Details) - ARS ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | $ 5,333,344 | $ 4,219,520 |
Depreciation | 358,420 | 286,798 | $ 261,393
End of the year | 6,480,361 | 5,333,344 | 4,219,520
Financial Lease [Abstract] |  |  |
Cost-Capitalized financial leasing | 750,389 | 750,389 |
Accumulated depreciation | (68,503) | (20,148) |
Total | $ 681,886 | 730,241 |
Financial leasing agreement expiration date | Sep. 30, 2026 |  |
Pipelines [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | $ 2,040,118 | 2,124,502 |
End of the year | 2,224,472 | 2,040,118 | 2,124,502
Compressor Plants [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 571,027 | 601,940 |
End of the year | 759,762 | 571,027 | 601,940
Other Plants [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 2,217 | 2,314 |
End of the year | 2,120 | 2,217 | 2,314
Stations of Regulation and/or Measurement of Pressure [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 43,081 | 41,256 |
End of the year | 43,243 | 43,081 | 41,256
Other Technical Installations [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 6,917 | 7,390 |
End of the year | 8,616 | 6,917 | 7,390
Subtotal Assets Related to Natural Gas Transportation Service [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 2,663,360 | 2,777,402 |
End of the year | 3,038,213 | 2,663,360 | 2,777,402
Assets Related to Natural Gas Upstream Service [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 831,487 | 87,530 |
End of the year | 886,397 | 831,487 | 87,530
Assets Related to Liquids Production and Commercialization Service [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 199,661 | 186,414 |
End of the year | 286,430 | 199,661 | 186,414
Lands [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 10,922 | 6,279 |
End of the year | 10,926 | 10,922 | 6,279
Buildings and Constructions [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 100,363 | 96,360 |
End of the year | 118,500 | 100,363 | 96,360
Fittings and Features in Building [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 27,370 | 28,299 |
End of the year | 26,183 | 27,370 | 28,299
Machinery, Equipment and Tools [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 14,289 | 10,285 |
End of the year | 61,649 | 14,289 | 10,285
Computers and Telecommunication Systems [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 105,697 | 111,147 |
End of the year | 123,995 | 105,697 | 111,147
Vehicles [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 15,951 | 8,721 |
End of the year | 39,645 | 15,951 | 8,721
Furniture [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 1,884 | 633 |
End of the year | 1,796 | 1,884 | 633
Capitalization of Foreign Exchange Loss [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 63,477 | 71,000 |
End of the year | 57,202 | 63,477 | 71,000
Materials [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 482,546 | 356,008 |
End of the year | 622,559 | 482,546 | 356,008
Line Pack [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 12,254 | 12,254 |
End of the year | 12,254 | 12,254 | 12,254
Works in Progress [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 804,083 | 467,188 |
End of the year | 1,194,612 | 804,083 | 467,188
Cost [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 9,449,249 | 8,049,016 | 7,651,564
Additions | 1,513,251 | 1,407,823 | 407,323
Retirements | 18,774 | 7,590 | 9,871
Transfers | 0 | 0 | 0
End of the year | 10,943,726 | 9,449,249 | 8,049,016
Cost [Member] | Pipelines [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 3,646,711 | 3,644,917 | 3,631,240
Additions | 0 | 0 | 0
Retirements | 0 | 0 | 0
Transfers | 275,806 | 1,794 | 13,677
End of the year | 3,922,517 | 3,646,711 | 3,644,917
Cost [Member] | Compressor Plants [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 1,564,820 | 1,512,294 | 1,436,084
Additions | 1,418 | 306 | 0
Retirements | 11,274 | 0 | 0
Transfers | 289,319 | 52,220 | 76,210
End of the year | 1,844,283 | 1,564,820 | 1,512,294
Cost [Member] | Other Plants [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 2,868 | 2,868 | 2,868
Additions | 0 | 0 | 0
Retirements | 0 | 0 | 0
Transfers | 0 | 0 | 0
End of the year | 2,868 | 2,868 | 2,868
Cost [Member] | Stations of Regulation and/or Measurement of Pressure [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 136,288 | 129,228 | 129,228
Additions | 0 | 0 | 0
Retirements | 0 | 0 | 0
Transfers | 5,594 | 7,060 | 0
End of the year | 141,882 | 136,288 | 129,228
Cost [Member] | Other Technical Installations [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 28,861 | 28,368 | 28,355
Additions | 0 | 0 | 0
Retirements | 0 | 0 | 0
Transfers | 2,686 | 493 | 13
End of the year | 31,547 | 28,861 | 28,368
Cost [Member] | Subtotal Assets Related to Natural Gas Transportation Service [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 5,379,548 | 5,317,675 | 5,227,775
Additions | 1,418 | 306 | 0
Retirements | 11,274 | 0 | 0
Transfers | 573,405 | 61,567 | 89,900
End of the year | 5,943,097 | 5,379,548 | 5,317,675
Cost [Member] | Assets Related to Natural Gas Upstream Service [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 972,061 | 206,576 | 205,773
Additions | 0 | 750,389 | 423
Retirements | 0 | 0 | 566
Transfers | 143,034 | 15,096 | 946
End of the year | 1,115,095 | 972,061 | 206,576
Cost [Member] | Assets Related to Liquids Production and Commercialization Service [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 782,595 | 756,700 | 695,548
Additions | 0 | 0 | 0
Retirements | 0 | 0 | 313
Transfers | 104,059 | 25,895 | 61,465
End of the year | 886,654 | 782,595 | 756,700
Cost [Member] | Lands [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 10,922 | 6,279 | 6,279
Additions | 4 | 4,935 | 0
Retirements | 0 | 292 | 0
Transfers | 0 | 0 | 0
End of the year | 10,926 | 10,922 | 6,279
Cost [Member] | Buildings and Constructions [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 206,842 | 198,796 | 196,204
Additions | 0 | 0 | 0
Retirements | 0 | 0 | 0
Transfers | 22,734 | 8,046 | 2,592
End of the year | 229,576 | 206,842 | 198,796
Cost [Member] | Fittings and Features in Building [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 34,398 | 33,897 | 33,975
Additions | 0 | 0 | 0
Retirements | 0 | 0 | 242
Transfers | 265 | 501 | 164
End of the year | 34,663 | 34,398 | 33,897
Cost [Member] | Machinery, Equipment and Tools [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 55,004 | 48,655 | 46,917
Additions | 51,268 | 5,780 | 1,130
Retirements | 0 | 0 | 6
Transfers | 929 | 569 | 614
End of the year | 107,201 | 55,004 | 48,655
Cost [Member] | Computers and Telecommunication Systems [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 470,349 | 419,541 | 389,779
Additions | 0 | 660 | 0
Retirements | 0 | 0 | 0
Transfers | 49,345 | 50,148 | 29,762
End of the year | 519,694 | 470,349 | 419,541
Cost [Member] | Vehicles [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 44,900 | 33,072 | 31,064
Additions | 30,577 | 12,281 | 2,403
Retirements | 1,972 | 453 | 395
Transfers | 0 | 0 | 0
End of the year | 73,505 | 44,900 | 33,072
Cost [Member] | Furniture [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 14,857 | 13,485 | 13,147
Additions | 0 | 0 | 62
Retirements | 0 | 0 | 0
Transfers | 143 | 1,372 | 276
End of the year | 15,000 | 14,857 | 13,485
Cost [Member] | Capitalization of Foreign Exchange Loss [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 177,272 | 177,272 | 177,272
Additions | 0 | 0 | 0
Retirements | 0 | 0 | 0
Transfers | 0 | 0 | 0
End of the year | 177,272 | 177,272 | 177,272
Cost [Member] | Materials [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 482,546 | 356,008 | 286,677
Additions | 312,381 | 209,239 | 161,986
Retirements | 5,528 | 6,845 | 8,349
Transfers | (166,840) | (75,856) | (84,306)
End of the year | 622,559 | 482,546 | 356,008
Cost [Member] | Line Pack [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 13,872 | 13,872 | 13,872
Additions | 0 | 0 | 0
Retirements | 0 | 0 | 0
Transfers | 0 | 0 | 0
End of the year | 13,872 | 13,872 | 13,872
Cost [Member] | Works in Progress [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 804,083 | 467,188 | 327,282
Additions | 1,117,603 | 424,233 | 241,319
Retirements | 0 | 0 | 0
Transfers | (727,074) | (87,338) | (101,413)
End of the year | 1,194,612 | 804,083 | 467,188
Depreciation [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 4,115,905 | 3,829,496 | 3,569,493
Retirements | 10,960 | 389 | 1,390
Depreciation | 358,420 | 286,798 | 261,393
End of the year | 4,463,365 | 4,115,905 | 3,829,496
Depreciation [Member] | Pipelines [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 1,606,593 | 1,520,415 | 1,434,424
Retirements | 0 | 0 | 0
Depreciation | $ 91,452 | $ 86,178 | $ 85,991
Depreciation rate % | 2.20% | 2.20% | 2.20%
End of the year | $ 1,698,045 | $ 1,606,593 | $ 1,520,415
Depreciation [Member] | Compressor Plants [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 993,793 | 910,354 | 834,255
Retirements | 8,988 | 0 | 0
Depreciation | 99,716 | 83,439 | 76,099
End of the year | $ 1,084,521 | $ 993,793 | $ 910,354
Depreciation [Member] | Compressor Plants [Member] | Bottom of Range [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Depreciation rate % | 3.30% | 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% | 25.00%
Depreciation [Member] | Other Plants [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | $ 651 | $ 554 | $ 456
Retirements | 0 | 0 | 0
Depreciation | $ 97 | $ 97 | $ 98
Depreciation rate % | 3.30% | 3.30% | 3.30%
End of the year | $ 748 | $ 651 | $ 554
Depreciation [Member] | Stations of Regulation and/or Measurement of Pressure [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 93,207 | 87,972 | 82,806
Retirements | 0 | 0 | 0
Depreciation | $ 5,432 | $ 5,235 | $ 5,166
Depreciation rate % | 4.00% | 4.00% | 4.00%
End of the year | $ 98,639 | $ 93,207 | $ 87,972
Depreciation [Member] | Other Technical Installations [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 21,944 | 20,978 | 20,002
Retirements | 0 | 0 | 0
Depreciation | $ 987 | $ 966 | $ 976
Depreciation rate % | 6.70% | 6.70% | 6.70%
End of the year | $ 22,931 | $ 21,944 | $ 20,978
Depreciation [Member] | Subtotal Assets Related to Natural Gas Transportation Service [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 2,716,188 | 2,540,273 | 2,371,943
Retirements | 8,988 | 0 | 0
Depreciation | 197,684 | 175,915 | 168,330
End of the year | 2,904,884 | 2,716,188 | 2,540,273
Depreciation [Member] | Assets Related to Natural Gas Upstream Service [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 140,574 | 119,046 | 111,667
Retirements | 0 | 0 | 536
Depreciation | 88,124 | 21,528 | 7,915
End of the year | $ 228,698 | $ 140,574 | $ 119,046
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% | 2.20%
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% | 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 | $ 582,934 | $ 570,286 | $ 526,427
Retirements | 0 | 0 | 311
Depreciation | $ 17,290 | $ 12,648 | $ 44,170
Depreciation rate % | 3.30% | 3.30% | 5.90%
End of the year | $ 600,224 | $ 582,934 | $ 570,286
Depreciation [Member] | Lands [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 0 | 0 | 0
Retirements | 0 | 0 | 0
Depreciation | $ 0 | $ 0 | $ 0
Depreciation rate % | 0.00% | 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 | 106,479 | 102,436 | 97,700
Retirements | 0 | 0 | 0
Depreciation | $ 4,597 | $ 4,043 | $ 4,736
Depreciation rate % | 2.00% | 2.00% | 2.00%
End of the year | $ 111,076 | $ 106,479 | $ 102,436
Depreciation [Member] | Fittings and Features in Building [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 7,028 | 5,598 | 4,319
Retirements | 0 | 0 | 142
Depreciation | $ 1,452 | $ 1,430 | $ 1,421
Depreciation rate % | 4.00% | 4.00% | 4.00%
End of the year | $ 8,480 | $ 7,028 | $ 5,598
Depreciation [Member] | Machinery, Equipment and Tools [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 40,715 | 38,370 | 36,400
Retirements | 0 | 0 | 6
Depreciation | 4,837 | 2,345 | 1,976
End of the year | $ 45,552 | $ 40,715 | $ 38,370
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% | 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% | 20.00%
Depreciation [Member] | Computers and Telecommunication Systems [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | $ 364,652 | $ 308,394 | $ 286,351
Retirements | 0 | 0 | 0
Depreciation | 31,047 | 56,258 | 22,043
End of the year | $ 395,699 | $ 364,652 | $ 308,394
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% | 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% | 20.00%
Depreciation [Member] | Vehicles [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | $ 28,949 | $ 24,351 | $ 21,571
Retirements | 1,972 | 389 | 395
Depreciation | $ 6,883 | $ 4,987 | 3,175
Depreciation rate % | 20.00% | 20.00% |
End of the year | $ 33,860 | $ 28,949 | $ 24,351
Depreciation [Member] | Vehicles [Member] | Bottom of Range [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Depreciation rate % |  |  | 10.00%
Depreciation [Member] | Vehicles [Member] | Top of Range [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Depreciation rate % |  |  | 20.00%
Depreciation [Member] | Furniture [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 12,973 | 12,852 | $ 12,743
Retirements | 0 | 0 | 0
Depreciation | $ 231 | $ 121 | $ 109
Depreciation rate % | 10.00% | 10.00% | 10.00%
End of the year | $ 13,204 | $ 12,973 | $ 12,852
Depreciation [Member] | Capitalization of Foreign Exchange Loss [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 113,795 | 106,272 | 98,754
Retirements | 0 | 0 | 0
Depreciation | $ 6,275 | $ 7,523 | $ 7,518
Depreciation rate % | 4.00% | 4.00% | 4.00%
End of the year | $ 120,070 | $ 113,795 | $ 106,272
Depreciation [Member] | Materials [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 0 | 0 | 0
Retirements | 0 | 0 | 0
Depreciation | $ 0 | $ 0 | $ 0
Depreciation rate % | 0.00% | 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 | 1,618 | 1,618 | 1,618
Retirements | 0 | 0 | 0
Depreciation | $ 0 | $ 0 | $ 0
Depreciation rate % | 0.00% | 0.00% | 0.00%
End of the year | $ 1,618 | $ 1,618 | $ 1,618
Depreciation [Member] | Works in Progress [Member] |  |  |
Reconciliation of changes in property, plant and equipment [abstract] |  |  |
Beginning of the year | 0 | 0 | 0
Retirements | 0 | 0 | 0
Depreciation | $ 0 | $ 0 | $ 0
Depreciation rate % | 0.00% | 0.00% | 0.00%
End of the year | $ 0 | $ 0 | $ 0

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 2017-01-01 -Paragraph 73 -Subparagraph e -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e_i&doctype=Standard -URIDate 2017-03-09 + 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 2017-01-01 -Paragraph 73 -Subparagraph e -Clause vii -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e_vii&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2017-01-01 -Paragraph 75 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_75_a&doctype=Standard -URIDate 2017-03-09 + 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 2017-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e&doctype=Standard -URIDate 2017-03-09 + 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 2017-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_54_a&doctype=Standard -URIDate 2017-03-09 + 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 2017-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=16&date=2017-03-01&anchor=para_73_e&doctype=Standard -URIDate 2017-03-09 + 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=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_CapitalizationOfForeignExchangeLossMember
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: |