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BALANCES AND TRANSACTIONS WITH COMPANIES UNDER SECTION 33 - LAW No. 19,550 AND RELATED PARTIES - Controlling Company (Details) - Telecom Argentina - shares | Dec. 31, 2019 | Apr. 15, 2019
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Cablevision Holding S.A. |  |
Related party balances and transactions |  |
Ownership percentage by parent | 28.16% |
VLG S.A.U. and Fintech Telecom, LLC |  |
Related party balances and transactions |  |
Ownership percentage by parent | 21.84% |
Percentage of shares contributed in voting trust | 10.92% |
Fintech and CVH |  |
Related party balances and transactions |  |
Ownership percentage by parent |  | 50.00%
Number of shares contributed in voting trust |  | 235,177,350

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