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REGULATORY FRAMEWORK, Regulatory Framework for Non-Regulated Segments (Details) $ in Millions |  |  |  |  |  | 12 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Dec. 01, 2017 ARS ($) | Apr. 26, 2017 ARS ($) | Apr. 01, 2017 ARS ($) | Dec. 01, 2011 $ / m³ | Nov. 30, 2011 $ / m³ | Dec. 31, 2017 ARS ($) $ / m³ | Dec. 31, 2016 ARS ($) | Oct. 05, 2016 USD ($) | May 20, 2016 ARS ($) | Apr. 01, 2015 kg
Domestic market [Abstract] |  |  |  |  |  |  |  |  |  |
Weight of LPG bottles under Households Bottles Program, one (in kilos) | kg |  |  |  |  |  |  |  |  |  | 10
Weight of LPG bottles under Households Bottles Program, two (in kilos) | kg |  |  |  |  |  |  |  |  |  | 12
Weight of LPG bottles under Households Bottles Program, three (in kilos) | kg |  |  |  |  |  |  |  |  |  | 15
Interest rate on bonds issued in US dollars |  |  |  |  |  |  |  |  | 8.00% |
Expiration of bonds issued in US dollars |  |  |  |  |  | 2020 |  |  |  |
Cancellation of compensation amount |  |  |  |  |  |  |  |  | $ 140,496,000 |
Original nominal value |  |  |  |  |  |  |  | $ 8.0 |  |
Subsidies receivable from government |  |  |  |  |  | $ 173,311,000 | $ 156,399,000 |  |  |
Compensation received for participation in propane |  | $ 91,578,000 |  |  |  | 216,100,000 |  |  |  |
Increase in price of propane gas per ton |  |  |  |  |  | 1,267 |  |  |  |
Increase in price of propane gas per ton depending on customer |  |  |  |  |  | 2,832 |  |  |  |
Changes in property, plant and equipment [abstract] |  |  |  |  |  |  |  |  |  |
Compensation received from government per ton |  |  |  |  |  | $ 550 |  |  |  |
Tariff charge paid (per cubic meter) | $ / m³ |  |  |  |  |  | 0.0492 |  |  |  |
Tariff charge (per cubic meter) | $ / m³ |  |  |  | 0.405 | 0.049 |  |  |  |  |
Butane [Member] |  |  |  |  |  |  |  |  |  |
Changes in property, plant and equipment [abstract] |  |  |  |  |  |  |  |  |  |
Increase in price of household bottles per ton | $ 4,302 |  | $ 2,568 |  |  |  |  |  |  |
Propane [Member] |  |  |  |  |  |  |  |  |  |
Changes in property, plant and equipment [abstract] |  |  |  |  |  |  |  |  |  |
Increase in price of household bottles per ton | $ 4,290 |  | $ 2,410 |  |  |  |  |  |  |

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- Definition The nominal or face amount of a financial instrument, used to calculate payments made on that instrument. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard -URIDate 2017-03-09 + Details
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