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OPERATING EXPENSES - Future minimum lease payments (Details) - ARS ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | ---
Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Future Minimum lease payments | $ 324 | $ 815 | $ 6,152
Less than 1 year |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Future Minimum lease payments | 226 | 592 | 2,388
1-5 years |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Future Minimum lease payments | 96 | 180 | 3,112
More than 5 years |  |  |
Disclosure of maturity analysis of operating lease payments [line items] |  |  |
Future Minimum lease payments | $ 2 | $ 43 | $ 652

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- Definition Minimum Lease Payments Payable Under Noncancellable Operating Lease. + References No definition available. + Details
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