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SIGNIFICANT ACCOUNTING POLICIES - Use of Estimates (Details) - ARS ($) $ / shares in Units, $ in Millions | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Receivables and payables valued at amortized cost |  |
Recoverable value of the CGU includes goodwill | $ 995,945 |
Fair value less the costs of disposal exceeds (as percentage) | 2.20% |
Decrease fair value of net liabilities percent | 5.20% |
Decrease of telecom share price | 3.50% |
Decrease of percentage points in control premium | 4.50% |
Effect of control premium on share price | 28.60% |
Fair value less cost of disposal exceeds book value of the CGU (as percentage) | 4.00% |
Level 1 |  |
Receivables and payables valued at amortized cost |  |
Share price of BYMA |  | $ 196.65
Level 2 |  |
Receivables and payables valued at amortized cost |  |
Share price of BYMA | $ 214.52 |

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