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v3.20.1

Intangible Assets - Summary of Changes in Intangible Assets (Detail) - ARS ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Beginning balance | $ 20,402 | $ 9,976 | $ 8,114
Ending balance | 37,608 | 20,402 | 9,976
Cost [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Beginning balance | 53,331 | 25,119 | 20,336
Increases | 6,147 | 2,344 | 1,153
Translation effect | 32,511 | 25,594 | 3,607
Adjustment for inflation | 833 | 591 |
Decreases and reclassifications | 72 | (317) | 23
Ending balance | 92,894 | 53,331 | 25,119
Accumulated amortization [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Beginning balance | 32,929 | 15,143 | 12,222
Increases | 2,374 | 1,749 | 838
Translation effect | 19,807 | 15,983 | 2,215
Adjustment for inflation | 199 | 58 |
Decreases and reclassifications | (23) | (4) | (132)
Ending balance | 55,286 | 32,929 | 15,143
Service concession [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Beginning balance | 11,592 | 5,644 | 4,514
Ending balance | 17,646 | 11,592 | 5,644
Service concession [member] | Cost [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Beginning balance | 31,702 | 14,824 | 11,749
Increases | 1,271 | 1,303 | 947
Translation effect | 18,969 | 15,544 | 2,141
Decreases and reclassifications | (6) | 31 | (13)
Ending balance | 51,936 | 31,702 | 14,824
Service concession [member] | Accumulated amortization [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Beginning balance | 20,110 | 9,180 | 7,235
Increases | 1,848 | 1,190 | 615
Translation effect | 12,332 | 9,740 | 1,330
Ending balance | 34,290 | 20,110 | 9,180
Exploration rights [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Beginning balance | 6,907 | 3,465 | 2,944
Ending balance | 16,655 | 6,907 | 3,465
Exploration rights [member] | Cost [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Beginning balance | 6,907 | 3,465 | 3,093
Increases | 4,171 | 276 | 8
Translation effect | 5,680 | 3,414 | 513
Decreases and reclassifications | (103) | (248) | (149)
Ending balance | 16,655 | 6,907 | 3,465
Exploration rights [member] | Accumulated amortization [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Beginning balance |  |  | 149
Decreases and reclassifications |  |  | (149)
Other intangibles [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Beginning balance | 1,903 | 867 | 656
Ending balance | 3,307 | 1,903 | 867
Other intangibles [member] | Cost [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Beginning balance | 14,722 | 6,830 | 5,494
Increases | 705 | 765 | 198
Translation effect | 7,862 | 6,636 | 953
Adjustment for inflation | 833 | 591 |
Decreases and reclassifications | 181 | (100) | 185
Ending balance | 24,303 | 14,722 | 6,830
Other intangibles [member] | Accumulated amortization [member] |  |  |
Disclosure of reconciliation of changes in intangible assets and goodwill [line items] |  |  |
Beginning balance | 12,819 | 5,963 | 4,838
Increases | 526 | 559 | 223
Translation effect | 7,475 | 6,243 | 885
Adjustment for inflation | 199 | 58 |
Decreases and reclassifications | (23) | (4) | 17
Ending balance | $ 20,996 | $ 12,819 | $ 5,963

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