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ASSOCIATES AND JOINT ARRANGEMENTS (Details) $ in Thousands		12 Months Ended
	Nov. 13, 2013 USD ($)	Dec. 31, 2020 ARS ($)	Dec. 31, 2019 ARS ($)	Dec. 31, 2018 ARS ($)
Information about associates and arrangements [Abstract]
Purchase of fixed assets		$ 7,769,600	$ 21,689,918	$ 17,013,254
UT [Member]
Information about associates and arrangements [Abstract]
Guarantee period from the provisional reception of the UT Works		18 months
Link [Member]
Information about associates and arrangements [Abstract]
Percentage of ownership		49.00%
Link [Member] | Dinarel S.A. [Member]
Information about associates and arrangements [Abstract]
Percentage of joint ownership		51.00%
TGU [Member]
Information about associates and arrangements [Abstract]
Percentage of ownership		49.00%
TGU [Member] | Pampa Energia [Member]
Information about associates and arrangements [Abstract]
Percentage of joint ownership		51.00%
EGS [Member]
Information about associates and arrangements [Abstract]
Percentage of ownership		49.00%
Percentage of joint ownership		51.00%
Purchase of fixed assets	$ 350,000

X

- Definition

The proportion of ownership interest in an associate attributable to the entity. [Refer: Associates [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition

The proportion of ownership interest in a joint venture attributable to the entity. [Refer: Joint ventures [member]]

+ References

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-IssueDate 2020-01-01
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- Definition

The cash outflow for the purchases of property, plant and equipment, classified as investing activities. [Refer: Property, plant and equipment]

+ References

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- Definition

Refers to guarantee period from the provisional reception to validate the contract.

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