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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, 2019 USD ($) $ / $ | Dec. 31, 2019 ARS ($) | Dec. 31, 2018 ARS ($)
Financial risk management |  |  |
Borrowings |  | $ 151,996 | $ 122,012
NDF | $ 47 |  |
Currency risk |  |  |
Financial risk management |  |  |
Net liability position in foreign currency | $ 2,252 | 137,670 | $ 112,465
Estimated variation in exchange rate | $ / $ | 1.00 |  |
Estimated variation in consolidated amounts of foreign currency position |  | 2,252 |
Interest rate risk |  |  |
Financial risk management |  |  |
Borrowings |  | 48,554 |
NDF at variable rate | $ 440 |  |
Net financial debt not hedged |  | 22,202 |
Variation in agreed interest rates (as a percent) | 1.00% |  |
Effect |  | $ 222 |

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