XML 71 R105.htm IDEA: XBRL DOCUMENT
v3.20.1

BALANCES AND TRANSACTIONS WITH RELATED COMPANIES (Details) $ in Thousands, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 ARS ($) | Dec. 31, 2018 ARS ($) | Dec. 31, 2017 ARS ($) | Dec. 31, 2019 USD ($)
Technical, financial and operational assistance agreement [abstract] |  |  |  |  |  |  |
Compensation for key management member |  | $ 142,116 |  | $ 128,942 |  | $ 79,094 |
Balances and transactions with related parties [Abstract] |  |  |  |  |  |  |
Accounts receivable |  | 302,801 |  | 535,508 |  |  |
Accounts payable |  | 2,499,041 |  | 2,855,908 |  |  |
Costs [Abstract] |  |  |  |  |  |  |
Gas purchase and others |  | 595,937 |  | 970,707 |  | 465,325 |
Compensation for technical assistance |  | 1,144,777 |  | 2,026,244 |  | 887,901 |
Revenue for administrative services |  | 146 |  | 225 |  | 3,491 |
Financial Results [Abstract] |  |  |  |  |  |  |
Interest expenses |  | 194,944 |  | 193,009 |  | 165,726 |
Natural Gas Transportation [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 982,497 |  | 830,309 |  | 117,032 |
Production and Commercialization of Liquids [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 269,511 |  | 2,035 |  | 143,945 |
Other Services [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 283,064 |  | 399,672 |  | 193,462 |
Refinor S.A. [Member] |  |  |  |  |  |  |
Costs [Abstract] |  |  |  |  |  |  |
Gas purchase and others |  |  |  |  |  | 8,230 |
Compensation for technical assistance |  |  |  |  |  | 0 |
Revenue for administrative services |  |  |  |  |  | 0 |
Financial Results [Abstract] |  |  |  |  |  |  |
Interest expenses |  |  |  |  |  | 0 |
Refinor S.A. [Member] | Natural Gas Transportation [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  |  |  | 0 |
Refinor S.A. [Member] | Production and Commercialization of Liquids [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  |  |  | 0 |
Refinor S.A. [Member] | Other Services [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  |  |  | 0 |
Petrolera Pampa S.A. [Member] |  |  |  |  |  |  |
Costs [Abstract] |  |  |  |  |  |  |
Gas purchase and others |  |  |  |  |  | 62,062 |
Compensation for technical assistance |  |  |  |  |  | 0 |
Revenue for administrative services |  |  |  |  |  | 0 |
Financial Results [Abstract] |  |  |  |  |  |  |
Interest expenses |  |  |  |  |  | 0 |
Petrolera Pampa S.A. [Member] | Natural Gas Transportation [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  |  |  | 0 |
Petrolera Pampa S.A. [Member] | Production and Commercialization of Liquids [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  |  |  | 0 |
Petrolera Pampa S.A. [Member] | Other Services [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  |  |  | 0 |
SACDE [Member] |  |  |  |  |  |  |
Technical, financial and operational assistance agreement [abstract] |  |  |  |  |  |  |
Amount received for services |  | 1,726,356 |  | 263,580 |  |  |
Balances and transactions with related parties [Abstract] |  |  |  |  |  |  |
Accounts receivable | [1] | 23,344 |  | 329,429 |  |  |
Accounts payable | [1] | 0 |  | 0 |  |  |
CT Barragan S.A. [Member] |  |  |  |  |  |  |
Balances and transactions with related parties [Abstract] |  |  |  |  |  |  |
Accounts receivable |  | 8,131 |  | 0 |  |  |
Accounts payable |  | 0 |  | 0 |  |  |
Petrolera Entre Lomas S.A. [Member] |  |  |  |  |  |  |
Costs [Abstract] |  |  |  |  |  |  |
Gas purchase and others |  |  |  | 3,103 |  | 27,384 |
Compensation for technical assistance |  |  |  | 0 |  | 0 |
Revenue for administrative services |  |  |  | 0 |  | 0 |
Financial Results [Abstract] |  |  |  |  |  |  |
Interest expenses |  |  |  | 0 |  | 0 |
Petrolera Entre Lomas S.A. [Member] | Natural Gas Transportation [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  | 0 |  | 0 |
Petrolera Entre Lomas S.A. [Member] | Production and Commercialization of Liquids [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  | 0 |  | 0 |
Petrolera Entre Lomas S.A. [Member] | Other Services [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  | 0 |  | 0 |
Pampa Comercializadora S.A. [Member] |  |  |  |  |  |  |
Balances and transactions with related parties [Abstract] |  |  |  |  |  |  |
Accounts receivable |  | 43,843 |  | 10,942 |  |  |
Accounts payable |  | 0 |  | 0 |  |  |
Costs [Abstract] |  |  |  |  |  |  |
Gas purchase and others |  | 0 |  | 0 |  | 0 |
Compensation for technical assistance |  | 0 |  | 0 |  | 0 |
Revenue for administrative services |  | 0 |  | 0 |  | 0 |
Financial Results [Abstract] |  |  |  |  |  |  |
Interest expenses |  | 0 |  | 0 |  | 0 |
Pampa Comercializadora S.A. [Member] | Natural Gas Transportation [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 52,051 |  | 41,333 |  | 16,575 |
Pampa Comercializadora S.A. [Member] | Production and Commercialization of Liquids [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 0 |  | 0 |  | 0 |
Pampa Comercializadora S.A. [Member] | Other Services [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 0 |  | 0 |  | 0 |
Oleoductos del Valle S.A. [Member] |  |  |  |  |  |  |
Balances and transactions with related parties [Abstract] |  |  |  |  |  |  |
Accounts receivable |  | 3,348 |  | 4,816 |  |  |
Accounts payable |  | 0 |  | 0 |  |  |
Costs [Abstract] |  |  |  |  |  |  |
Gas purchase and others |  | 0 |  | 0 |  | 0 |
Compensation for technical assistance |  | 0 |  | 0 |  | 0 |
Revenue for administrative services |  | 0 |  | 0 |  | 0 |
Financial Results [Abstract] |  |  |  |  |  |  |
Interest expenses |  | 0 |  | 0 |  | 0 |
Oleoductos del Valle S.A. [Member] | Natural Gas Transportation [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 5,469 |  | 9,459 |  | 11,476 |
Oleoductos del Valle S.A. [Member] | Production and Commercialization of Liquids [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 0 |  | 0 |  | 0 |
Oleoductos del Valle S.A. [Member] | Other Services [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 0 |  | 12,733 |  | 2,616 |
Central Piedra Buena S.A. [Member] |  |  |  |  |  |  |
Balances and transactions with related parties [Abstract] |  |  |  |  |  |  |
Accounts receivable |  | 13,304 |  | 39,170 |  |  |
Accounts payable |  | 0 |  | 0 |  |  |
Costs [Abstract] |  |  |  |  |  |  |
Gas purchase and others |  | 0 |  |  |  |  |
Compensation for technical assistance |  | 0 |  |  |  |  |
Revenue for administrative services |  | 0 |  |  |  |  |
Financial Results [Abstract] |  |  |  |  |  |  |
Interest expenses |  | 0 |  |  |  |  |
Central Piedra Buena S.A. [Member] | Natural Gas Transportation [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 121,367 |  |  |  |  |
Central Piedra Buena S.A. [Member] | Production and Commercialization of Liquids [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 0 |  |  |  |  |
Central Piedra Buena S.A. [Member] | Other Services [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 0 |  |  |  |  |
Central Temica Loma La Lata S.A. [Member] |  |  |  |  |  |  |
Costs [Abstract] |  |  |  |  |  |  |
Gas purchase and others |  |  |  | 0 |  | 0 |
Compensation for technical assistance |  |  |  | 0 |  | 0 |
Revenue for administrative services |  |  |  | 0 |  | 0 |
Financial Results [Abstract] |  |  |  |  |  |  |
Interest expenses |  |  |  | 0 |  | 0 |
Central Temica Loma La Lata S.A. [Member] | Natural Gas Transportation [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  | 103,337 |  | 0 |
Central Temica Loma La Lata S.A. [Member] | Production and Commercialization of Liquids [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  | 0 |  | 0 |
Central Temica Loma La Lata S.A. [Member] | Other Services [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  | 0 |  | 598 |
Central Termica Piedrabuena S.A. [Member] |  |  |  |  |  |  |
Costs [Abstract] |  |  |  |  |  |  |
Gas purchase and others |  |  |  |  |  | 0 |
Compensation for technical assistance |  |  |  |  |  | 0 |
Revenue for administrative services |  |  |  |  |  | 0 |
Financial Results [Abstract] |  |  |  |  |  |  |
Interest expenses |  |  |  |  |  | 0 |
Central Termica Piedrabuena S.A. [Member] | Natural Gas Transportation [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  |  |  | 20,245 |
Central Termica Piedrabuena S.A. [Member] | Production and Commercialization of Liquids [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  |  |  | 0 |
Central Termica Piedrabuena S.A. [Member] | Other Services [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  |  |  | 0 |
Transener S.A. [Member] |  |  |  |  |  |  |
Balances and transactions with related parties [Abstract] |  |  |  |  |  |  |
Accounts receivable |  | 0 |  | 140 |  |  |
Accounts payable |  | 0 |  | 0 |  |  |
Costs [Abstract] |  |  |  |  |  |  |
Gas purchase and others |  |  |  | 0 |  |  |
Compensation for technical assistance |  |  |  | 0 |  |  |
Revenue for administrative services |  |  |  | 0 |  |  |
Financial Results [Abstract] |  |  |  |  |  |  |
Interest expenses |  |  |  | 0 |  |  |
Transener S.A. [Member] | Natural Gas Transportation [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  | 0 |  |  |
Transener S.A. [Member] | Production and Commercialization of Liquids [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  | 0 |  |  |
Transener S.A. [Member] | Other Services [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  | 18,481 |  |  |
Experta ART [Member] |  |  |  |  |  |  |
Costs [Abstract] |  |  |  |  |  |  |
Gas purchase and others |  | 20,080 |  | 18,321 |  | 18,381 |
Compensation for technical assistance |  | 0 |  | 0 |  | 0 |
Revenue for administrative services |  | 0 |  | 0 |  | 0 |
Financial Results [Abstract] |  |  |  |  |  |  |
Interest expenses |  | 0 |  | 0 |  | 0 |
Experta ART [Member] | Natural Gas Transportation [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 0 |  | 0 |  | 0 |
Experta ART [Member] | Production and Commercialization of Liquids [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 0 |  | 0 |  | 0 |
Experta ART [Member] | Other Services [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 0 |  | 0 |  | 0 |
Link [Member] |  |  |  |  |  |  |
Balances and transactions with related parties [Abstract] |  |  |  |  |  |  |
Accounts receivable |  | 668 |  | 9,971 |  |  |
Accounts payable |  | 0 |  | 0 |  |  |
Costs [Abstract] |  |  |  |  |  |  |
Gas purchase and others |  | 0 |  | 0 |  | 0 |
Compensation for technical assistance |  | 0 |  | 0 |  | 0 |
Revenue for administrative services |  | 0 |  | 0 |  | 0 |
Financial Results [Abstract] |  |  |  |  |  |  |
Interest expenses |  | 0 |  | 0 |  | 0 |
Link [Member] | Natural Gas Transportation [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 0 |  | 0 |  | 0 |
Link [Member] | Production and Commercialization of Liquids [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 0 |  | 0 |  | 0 |
Link [Member] | Other Services [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 14,073 |  | 13,213 |  | 11,516 |
EGS [Member] |  |  |  |  |  |  |
Balances and transactions with related parties [Abstract] |  |  |  |  |  |  |
Accounts receivable |  | 0 |  | 0 |  |  |
Accounts payable |  | 0 |  | 0 |  |  |
TGU [Member] |  |  |  |  |  |  |
Balances and transactions with related parties [Abstract] |  |  |  |  |  |  |
Accounts receivable |  | 0 |  | 0 |  |  |
Accounts payable |  | 9,534 |  | 9,232 |  |  |
Pampa Energia [Member] |  |  |  |  |  |  |
Balances and transactions with related parties [Abstract] |  |  |  |  |  |  |
Accounts receivable | [2] | 210,126 |  | 141,040 |  |  |
Accounts payable |  | 2,489,507 | [2] | 2,846,676 | [2] |  | $ 0.5
Financial lease |  | 2,377,438 |  | 2,546,556 |  |  |
Costs [Abstract] |  |  |  |  |  |  |
Gas purchase and others |  | 575,857 |  | 949,283 |  | 349,268 |
Compensation for technical assistance |  | 1,144,777 |  | 2,026,244 |  | 887,901 |
Revenue for administrative services |  | 0 |  | 0 |  | 0 |
Financial Results [Abstract] |  |  |  |  |  |  |
Interest expenses |  | $ 194,944 |  | 193,009 |  | 165,726 |
Pampa Energia [Member] | From 12/28/2019 to 12/27/2020 [Member] |  |  |  |  |  |  |
Technical, financial and operational assistance agreement [abstract] |  |  |  |  |  |  |
Percentage of annual comprehensive income before results and income taxes |  | 6.50% |  |  |  |  |
Pampa Energia [Member] | From 12/28/2020 to 12/27/2021 [Member] |  |  |  |  |  |  |
Technical, financial and operational assistance agreement [abstract] |  |  |  |  |  |  |
Percentage of annual comprehensive income before results and income taxes |  | 6.00% |  |  |  |  |
Pampa Energia [Member] | From 12/28/2021 to 12/27/2022 [Member] |  |  |  |  |  |  |
Technical, financial and operational assistance agreement [abstract] |  |  |  |  |  |  |
Percentage of annual comprehensive income before results and income taxes |  | 5.50% |  |  |  |  |
Pampa Energia [Member] | From 12/28/2022 to 12/27/2023 [Member] |  |  |  |  |  |  |
Technical, financial and operational assistance agreement [abstract] |  |  |  |  |  |  |
Percentage of annual comprehensive income before results and income taxes |  | 5.00% |  |  |  |  |
Pampa Energia [Member] | From 12/28/2023 to 12/27/2024 and onwards [Member] |  |  |  |  |  |  |
Technical, financial and operational assistance agreement [abstract] |  |  |  |  |  |  |
Percentage of annual comprehensive income before results and income taxes |  | 4.50% |  |  |  |  |
Pampa Energia [Member] | Natural Gas Transportation [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | $ 803,610 |  | 676,180 |  | 68,736 |
Pampa Energia [Member] | Production and Commercialization of Liquids [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 269,511 |  | 2,035 |  | 143,945 |
Pampa Energia [Member] | Other Services [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 268,991 |  | 355,245 |  | 178,731 |
UT [Member] |  |  |  |  |  |  |
Costs [Abstract] |  |  |  |  |  |  |
Gas purchase and others |  |  |  |  |  | 0 |
Compensation for technical assistance |  |  |  |  |  | 0 |
Revenue for administrative services |  |  |  |  |  | 3,253 |
Financial Results [Abstract] |  |  |  |  |  |  |
Interest expenses |  |  |  |  |  | 0 |
UT [Member] | Natural Gas Transportation [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  |  |  | 0 |
UT [Member] | Production and Commercialization of Liquids [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  |  |  | 0 |
UT [Member] | Other Services [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  |  |  |  |  | 0 |
CIESA [Member] |  |  |  |  |  |  |
Balances and transactions with related parties [Abstract] |  |  |  |  |  |  |
Accounts receivable |  | 37 |  | 0 |  |  |
Accounts payable |  | 0 |  | 0 |  |  |
Costs [Abstract] |  |  |  |  |  |  |
Gas purchase and others |  | 0 |  | 0 |  | 0 |
Compensation for technical assistance |  | 0 |  | 0 |  | 0 |
Revenue for administrative services |  | 146 |  | 225 |  | 238 |
Financial Results [Abstract] |  |  |  |  |  |  |
Interest expenses |  | 0 |  | 0 |  | 0 |
CIESA [Member] | Natural Gas Transportation [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 0 |  | 0 |  | 0 |
CIESA [Member] | Production and Commercialization of Liquids [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | 0 |  | 0 |  | 0 |
CIESA [Member] | Other Services [Member] |  |  |  |  |  |  |
Detail of Significant Transactions with Related Parties [abstract] |  |  |  |  |  |  |
Revenues |  | $ 0 |  | $ 0 |  | $ 0 |
[1] | Corresponds to advance payments delivered to the supplier recorded as "Other credits".
[2] | Accounts payable includes Ps. 2,377,438 and Ps. 2,546,556 corresponding to the financial leasing recorded as "Loans" as of December 31, 2019 and 2018, respectively.

X
- Definition The amounts payable resulting from related party transactions. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 20 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_20&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 18 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_18_b&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_AmountsPayableRelatedPartyTransactions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amounts receivable resulting from related party transactions. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 20 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_20&doctype=Standard -URIDate 2019-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 18 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_18_b&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_AmountsReceivableRelatedPartyTransactions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of compensation to key management personnel. [Refer: Key management personnel of entity or parent [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 17 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_17&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_KeyManagementPersonnelCompensation
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition The amount of outstanding commitments made by the entity in related party transactions. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 18 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_18_b&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_OutstandingCommitmentsMadeByEntityRelatedPartyTransactions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of goods purchased by the entity in related party transactions. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 21 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_21_a&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_PurchasesOfGoodsRelatedPartyTransactions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition The amount of revenue arising from the rendering of services in related party transactions. [Refer: Revenue; Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 21 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_21_c&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_RevenueFromRenderingOfServicesRelatedPartyTransactions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of revenue arising from the sale of goods in related party transactions. [Refer: Revenue; Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 21 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_21_a&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_RevenueFromSaleOfGoodsRelatedPartyTransactions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of services received in related party transactions. [Refer: Related parties [member]] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 24 -IssueDate 2019-01-01 -Paragraph 21 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_21_c&doctype=Standard -URIDate 2019-03-27 + Details
Name: | ifrs-full_ServicesReceivedRelatedPartyTransactions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

X
- Definition The amount of interest expense in financial results. + References No definition available. + Details
Name: | tgs_FinancialResultsInterestExpense
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Refers to percentage of annual comprehensive profit for providing operation and maintenance services. + References No definition available. + Details
Name: | tgs_PercentageOfAnnualComprehensiveProfitForProvidingServices
Namespace Prefix: | tgs_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition The amount of expenses for technical operator assistance fees in related party transactions. + References No definition available. + Details
Name: | tgs_TechnicalOperatorAssistanceFeesRelatedPartyTransactions
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | ifrs-full_SegmentsAxis=tgs_NaturalGasTransportationMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=tgs_ProductionAndCommercializationOfLiquidsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SegmentsAxis=tgs_OtherServicesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=tgs_RefinorSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=tgs_PetroleraPampaSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=tgs_SACDEMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=tgs_CTBarraganSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=tgs_PetroleraEntreLomasSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=tgs_PampaComercializadoraSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=tgs_OleoductosDelValleSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=tgs_CentralPiedraBuenaSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=tgs_CentralTemicaLomaLaLataSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=tgs_CentralTrmicaPiedrabuenaSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=tgs_TransenerSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_CategoriesOfRelatedPartiesAxis=tgs_ExpertaARTMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=tgs_GasLinkSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=tgs_EmprendimientosDeGasDelSurSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_SignificantInvestmentsInAssociatesAxis=tgs_TransporteYServiciosDeGasEnUruguaySAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_JointOperationsAxis=tgs_PampaEnergiaSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=tgs_IncomeTaxesPeriodOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=tgs_IncomeTaxesPeriodTwoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=tgs_IncomeTaxesPeriodThreeMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=tgs_IncomeTaxesPeriodFourMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=tgs_IncomeTaxesPeriodLaterThanFourYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_JointOperationsAxis=ifrs-full_JointOperationsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | srt_OwnershipAxis=tgs_CompaiaaDeInversionesDeEnergiaSAMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |