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PROPERTY, PLANT AND EQUIPMENT - Property, plant and equipment, Net (Details) - ARS ($) $ in Millions | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | --- | ---
Property, plant and equipment |  |  |
Property, plant and equipment | $ 451,174 | $ 484,316 |
Net carring value |  |  |
Property, plant and equipment |  |  |
Property, plant and equipment | 457,518 | 489,472 |
PP&ES | Gross value |  |  |
Property, plant and equipment |  |  |
Property, plant and equipment | 813,668 | 785,408 | $ 735,624
PP&ES | Allowance for obsolescence of inventories |  |  |
Property, plant and equipment |  |  |
Property, plant and equipment | (1,620) | (1,226) | (1,648)
PP&ES | Net carring value |  |  |
Property, plant and equipment |  |  |
Property, plant and equipment | 457,518 | 489,472 |
Other | Gross value |  |  |
Property, plant and equipment |  |  |
Property, plant and equipment | 4,435 | 3,088 | 2,503
Other | Net carring value |  |  |
Property, plant and equipment |  |  |
Property, plant and equipment | 2,294 | 1,402 |
Materials | Gross value |  |  |
Property, plant and equipment |  |  |
Property, plant and equipment | 45,688 | 40,591 | $ 43,548
Materials | Allowance for obsolescence of inventories |  |  |
Property, plant and equipment |  |  |
Property, plant and equipment | (4,724) | (3,930) |
Materials | Net carring value |  |  |
Property, plant and equipment |  |  |
Property, plant and equipment | $ 45,688 | $ 40,591 |

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- Definition The amount of tangible assets that: (a) are held for use in the production or supply of goods or services, for rental to others, or for administrative purposes; and (b) are expected to be used during more than one period. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2021-01-01 -Paragraph 73 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2021-en-r&anchor=para_73_e&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 54 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_54_a&doctype=Standard -URIDate 2021-03-24 + Details
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