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CASH AND CASH EQUIVALENTS AND INVESTMENTS. ADDITIONAL INFORMATION ON THE CONSOLIDATED STATEMENTS OF CASH FLOWS - Changes in assets/liabilities components (Details) - ARS ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Net decrease (increase) in assets |  |  |
Trade receivables | $ (7,313) | $ 4,441 | $ (8,570)
Other receivables | (647) | 154 | (1,872)
Inventories | (197) | 633 | (23)
Total | (8,157) | 5,228 | (10,465)
Net increase (decrease) in liabilities |  |  |
Trade payables | (7,019) | (23,095) | (16,393)
Salaries and social security payables | 476 | 1,733 | 592
Taxes payables | 1,135 | 1,339 | (4,253)
Other liabilities and Provisions | (5,800) | (5,648) | (4,878)
Total | $ (11,208) | $ (25,671) | $ (24,932)

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- Definition Adjustments for increase (decrease) in employee benefit liabilities to reconcile profit (loss) to net cash flow from (used in) operating activities. [Refer: Profit (loss)] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 20 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_20&doctype=Standard -URIDate 2020-01-01 + Details
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