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SIGNIFICANT ACCOUNTING POLICIES - Recoverability of Goodwill (Details) - ARS ($) $ in Millions | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Disclosure of information for cash-generating units [line items] |  |
Goodwill | $ 251,908 | $ 252,052
PP&E | 320,863 | 334,903
Intangible assets | 104,026 | 112,388
Right of use assets | 17,772 | 12,932
TOTAL ASSETS | 752,054 | $ 787,097
CGU of Argentina |  |
Disclosure of information for cash-generating units [line items] |  |
Goodwill | 251,105 |
PP&E | 303,784 |
Intangible assets | 97,315 |
Right of use assets | 16,492 |
TOTAL ASSETS | $ 668,696 |

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