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ACQUISITION OF COMPANIES AND CORPORATE REORGANIZATION PROCESSES - Specific matters relating to the merger between Telecom Argentina and Cablevisin (Details) - Cablevision S.A. $ / shares in Units, $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 USD ($) $ / shares | Dec. 31, 2018 ARS ($) | Dec. 31, 2018 ARS ($) | Jun. 30, 2017 ARS ($)
Disclosure of detailed information about business combination [line items] |  |  |  |
Consideration paid, fair value of shares issued |  |  | $ 194,435,000,000 |
ADR Price (in dollars per ADR) | $ / shares | $ 36.63 |  |  |
Number of ADRs outstanding |  |  | 193,831,921 | 9,871.07005
Net identifiable assets |  |  | $ 108,324,000,000 |
Non-controlling interest in acquiree recognised |  |  | 1,958,000,000 |
Goodwill recognised as of acquisition date |  |  | 88,072,000,000 |
Merger contribution surplus |  |  | 127,343,000,000 |
Fair value of property, plant and equipment |  |  | 92,637,000,000 |
Fair value of intangible assets |  |  | $ 59,329,000,000 |
Deferred income tax assets | $ 24,716 |  |  |
Minimum |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Weighted statutory income tax rate (*) |  | 25.00% |  |
Licences |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Fair value adjustment allocated to intangible assets |  | $ 22,046,000,000 |  |
Building and Automobile |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Fair value adjustment allocated to property, plant and equipment |  | 50,504,000,000 |  |
Customer relationships |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Fair value adjustment allocated to intangible assets |  | 13,701,000,000 |  |
Brands |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Fair value adjustment allocated to intangible assets |  | $ 13,029,000,000 |  |
Adesol | Maximum |  |  |  |
Disclosure of detailed information about business combination [line items] |  |  |  |
Weighted statutory income tax rate (*) |  | 30.00% |  |

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