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INTANGIBLE ASSETS - Accumulated Amortization (Details) - ARS ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018
Intangible assets |  |
Value, at the beginning of the year | $ 91,474 |
Value, at the end of the year | 82,608 | $ 91,474
Intangible assets other than goodwill |  |
Intangible assets | 82,608 | 91,474
Accumulated depreciation and amortization |  |
Intangible assets |  |
Value, at the beginning of the year | (9,005) | (1,566)
Amortization | (8,269) | (8,181)
Currency translation adjustments | (45) | (18)
Decreases | 1,823 | 760
Value, at the end of the year | (15,496) | (9,005)
Intangible assets other than goodwill |  |
Intangible assets | (15,496) | (9,005)
Accumulated depreciation and amortization | 3G/4G licenses |  |
Intangible assets |  |
Value, at the beginning of the year | (1,950) | (111)
Amortization | (2,338) | (1,839)
Value, at the end of the year | (4,288) | (1,950)
Intangible assets other than goodwill |  |
Intangible assets | (4,288) | (1,950)
Accumulated depreciation and amortization | Nucleo's licenses |  |
Intangible assets |  |
Value, at the beginning of the year | (113) |
Amortization | (138) | (107)
Currency translation adjustments | (28) | (6)
Value, at the end of the year | (279) | (113)
Intangible assets other than goodwill |  |
Intangible assets | (279) | (113)
Accumulated depreciation and amortization | Customer relationships |  |
Intangible assets |  |
Value, at the beginning of the year | (4,728) |
Amortization | (4,016) | (5,500)
Currency translation adjustments | (16) | 12
Decreases | 1,775 | 760
Value, at the end of the year | (6,985) | (4,728)
Intangible assets other than goodwill |  |
Intangible assets | (6,985) | (4,728)
Accumulated depreciation and amortization | Brands |  |
Intangible assets |  |
Value, at the beginning of the year | (144) | (137)
Amortization | (8) | (7)
Value, at the end of the year | (152) | (144)
Intangible assets other than goodwill |  |
Intangible assets | (152) | (144)
Accumulated depreciation and amortization | Incremental Cost from the acquisition of contracts |  |
Intangible assets |  |
Value, at the beginning of the year | (604) |
Amortization | (1,511) | (580)
Currency translation adjustments |  | (24)
Value, at the end of the year | (2,115) | (604)
Intangible assets other than goodwill |  |
Intangible assets | (2,115) | (604)
Accumulated depreciation and amortization | Other |  |
Intangible assets |  |
Value, at the beginning of the year | (1,466) | (1,318)
Amortization | (258) | (148)
Currency translation adjustments | (1) |
Decreases | 48 |
Value, at the end of the year | (1,677) | (1,466)
Intangible assets other than goodwill |  |
Intangible assets | (1,677) | (1,466)
Net carrying value before impairment |  |
Intangible assets |  |
Value, at the beginning of the year | 93,972 |
Value, at the end of the year | 87,249 | 93,972
Intangible assets other than goodwill |  |
Intangible assets | 87,249 | 93,972
Net carrying value before impairment | 3G/4G licenses |  |
Intangible assets |  |
Value, at the beginning of the year | 32,243 |
Value, at the end of the year | 29,915 | 32,243
Intangible assets other than goodwill |  |
Intangible assets | 29,915 | 32,243
Net carrying value before impairment | PCS license (Argentina) |  |
Intangible assets |  |
Value, at the beginning of the year | 16,211 |
Value, at the end of the year | 16,211 | 16,211
Intangible assets other than goodwill |  |
Intangible assets | 16,211 | 16,211
Net carrying value before impairment | Nucleo's licenses |  |
Intangible assets |  |
Value, at the beginning of the year | 3,884 |
Value, at the end of the year | 3,697 | 3,884
Intangible assets other than goodwill |  |
Intangible assets | 3,697 | 3,884
Net carrying value before impairment | Customer relationships |  |
Intangible assets |  |
Value, at the beginning of the year | 18,709 |
Value, at the end of the year | 14,682 | 18,709
Intangible assets other than goodwill |  |
Intangible assets | 14,682 | 18,709
Net carrying value before impairment | Brands |  |
Intangible assets |  |
Value, at the beginning of the year | 20,284 |
Value, at the end of the year | 20,276 | 20,284
Intangible assets other than goodwill |  |
Intangible assets | 20,276 | 20,284
Net carrying value before impairment | Incremental Cost from the acquisition of contracts |  |
Intangible assets |  |
Value, at the beginning of the year | 1,480 |
Value, at the end of the year | 1,573 | 1,480
Intangible assets other than goodwill |  |
Intangible assets | 1,573 | 1,480
Net carrying value before impairment | Other |  |
Intangible assets |  |
Value, at the beginning of the year | 1,161 |
Value, at the end of the year | 895 | 1,161
Intangible assets other than goodwill |  |
Intangible assets | $ 895 | $ 1,161

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