XML 112 R91.htm IDEA: XBRL DOCUMENT
v3.19.1

PROVISIONS (Details) - ARS ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2018 | Dec. 31, 2017
Legal Claims and Others [Member] |  |  |  |  |
Reconciliation of changes in other provisions [abstract] |  |  |  |  |
Beginning balance |  | $ 289,901 |  | $ 408,002 |
Inflation adjustment restatement |  | (112,740) |  | (80,163) |
Additions | [1] | 195,156 |  | 225,887 |
Uses |  | (787) |  | (254,858) |
Reversals |  | (362) | [2] | (8,967) | [3]
Ending balance |  | 371,168 |  | 289,901 |
Other Operating Expenses [Member] |  |  |  |  |
Reconciliation of changes in other provisions [abstract] |  |  |  |  |
Additions |  | 107,419 |  | 152,635 |
Reversals |  |  |  | (2,263) |
Financial Expenses [Member] |  |  |  |  |
Reconciliation of changes in other provisions [abstract] |  |  |  |  |
Additions |  | $ 118,468 |  | 77,472 |
Reversals |  |  |  | $ (6,704) |
[1] | Ps. 107,419 and Ps. 152,635 are included in "Other operating expenses" and Ps. 118,468 and Ps. 77,472 in "Financial expenses" for the years ended on December 31, 2018 and 2017 respectively.
[2] | The total amount is recorded in "Other operating income"
[3] | Ps. 2,263, are included in "Other operating expenses" and Ps. 6,704 in "Financial expenses" for the year 2017.

X
- Definition The amount of additional other provisions made. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2018-01-01 -Paragraph 84 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2018-03-01&anchor=para_84_b&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_AdditionalProvisionsOtherProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of provisions other than provisions for employee benefits. [Refer: Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2018-01-01 -Paragraph 84 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2018-03-01&anchor=para_84_a&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 78 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_78_d&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_OtherProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount used (ie incurrent and charged against the provision) for other provisions. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2018-01-01 -Paragraph 84 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2018-03-01&anchor=para_84_c&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_ProvisionUsedOtherProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

X
- Definition The amount reversed for unused other provisions. [Refer: Other provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 37 -IssueDate 2018-01-01 -Paragraph 84 -Subparagraph d -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2018-03-01&anchor=para_84_d&doctype=Standard -URIDate 2018-03-16 + Details
Name: | ifrs-full_UnusedProvisionReversedOtherProvisions
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The adjustment to provisions from changes in the inflation rate. + References No definition available. + Details
Name: | tgs_ProvisionsInflationRateAdjustment
Namespace Prefix: | tgs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Details
Name: | ifrs-full_ClassesOfProvisionsAxis=tgs_LegalClaimsAndOthersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfProvisionsAxis=tgs_OtherOperatingExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfProvisionsAxis=tgs_FinancialExpensesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |