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FINANCIAL RISK MANAGEMENT - Credit risk (Details) - ARS ($) $ in Millions | Dec. 31, 2019 | Dec. 31, 2018
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Credit risk |  |
Credit risk exposure |  |
Total financial assets | $ 45,628 |
Credit risk | Due |  |
Credit risk exposure |  |
Total financial assets | 8,297 |
Credit risk | Not due |  |
Credit risk exposure |  |
Total financial assets | 37,331 |
Cash and cash equivalents | Credit risk |  |
Credit risk exposure |  |
Total financial assets | 25,582 |
Cash and cash equivalents | Credit risk | Not due |  |
Credit risk exposure |  |
Total financial assets | 25,582 |
Investments | Credit risk |  |
Credit risk exposure |  |
Total financial assets | 1,426 |
Investments | Credit risk | Not due |  |
Credit risk exposure |  |
Total financial assets | 1,426 |
Trade receivables |  |
Credit risk exposure |  |
Overdue balances not covered by the allowance for doubtful accounts | 8,280 | $ 11,210
Trade receivables | Credit risk |  |
Credit risk exposure |  |
Total financial assets | 17,048 |
Trade receivables | Credit risk | Due |  |
Credit risk exposure |  |
Total financial assets | 8,280 |
Trade receivables | Credit risk | Not due |  |
Credit risk exposure |  |
Total financial assets | 8,768 |
Other receivables | Credit risk |  |
Credit risk exposure |  |
Total financial assets | 1,572 |
Other receivables | Credit risk | Due |  |
Credit risk exposure |  |
Total financial assets | 17 |
Other receivables | Credit risk | Not due |  |
Credit risk exposure |  |
Total financial assets | $ 1,555 |

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- Definition The amount that best represents the maximum exposure to credit risk without taking into account any collateral held or other credit enhancements (for example, netting agreements that do not qualify for offset in accordance with IAS 32). [Refer: Credit risk [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 35K -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2018-03-01&anchor=para_35K_a&doctype=Standard -URIDate 2018-03-16 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2018-01-01 -Paragraph 36 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=7&date=2017-03-02&anchor=para_36_a&doctype=Standard&book=b -URIDate 2018-03-16 + Details
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