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FINANCIAL RISK MANAGEMENT - Sensitivity analysis of exchange and interest rate risk (Details) $ in Millions, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 USD ($) | Dec. 31, 2020 ARS ($) | Dec. 31, 2019 ARS ($)
Financial risk management |  |  |
Net liability position in foreign currency | $ 2,088 |  |
Financial debt |  | $ 200,200 | $ 206,928
Currency risk |  |  |
Financial risk management |  |  |
Net liability position in foreign currency | $ 2,088 |  |
Estimated variation in exchange rate | 10.00% |  |
Estimated variation in consolidated amounts of foreign currency position |  | 17,571 |
Interest rate risk |  |  |
Financial risk management |  |  |
Financial debt |  | 100,366 |
NDF at variable rate |  | 18,513 |
Net financial debt not hedged |  | 81,853 |
Variation in agreed interest rates (as a percent) | 1.00% |  |
Effect |  | $ 819 |

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