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FINANCIAL INSTRUMENTS - Details of financial assets and financial liabilities (Details) - ARS ($) $ in Millions	Dec. 31, 2019	Dec. 31, 2018
Financial instruments
Assets	$ 45,628	$ 49,939
Liabilities	203,718	168,265
Financial liabilities at amortised cost
Financial instruments
Liabilities	203,343	168,111
Financial liabilities at fair value accounted through profit or loss
Financial instruments
Liabilities	242	154
Financial liabilities at fair value accounted through other comprehensive income
Financial instruments
Liabilities	133
Financial assets at amortized cost
Financial instruments
Assets	21,944	47,502
Financial assets at fair value accounted through profit or loss
Financial instruments
Assets	23,684	2,224
Financial assets at fair value accounted through other comprehensive income
Financial instruments
Assets		213
Trade payables
Financial instruments
Liabilities	34,318	36,034
Trade payables | Financial liabilities at amortised cost
Financial instruments
Liabilities	34,318	36,034
Financial debt
Financial instruments
Liabilities	151,996	122,012
Financial debt | Financial liabilities at amortised cost
Financial instruments
Liabilities	151,621	121,858
Financial debt | Financial liabilities at fair value accounted through profit or loss
Financial instruments
Liabilities	242	154
Financial debt | Financial liabilities at fair value accounted through other comprehensive income
Financial instruments
Liabilities	133
Salaries and social security payables
Financial instruments
Liabilities	10,802	9,684
Salaries and social security payables | Financial liabilities at amortised cost
Financial instruments
Liabilities	10,802	9,684
Leases liabilities
Financial instruments
Liabilities	6,311
Leases liabilities | Financial liabilities at amortised cost
Financial instruments
Liabilities	6,311
Other liabilities and dividends payables
Financial instruments
Liabilities	291	535
Other liabilities and dividends payables | Financial liabilities at amortised cost
Financial instruments
Liabilities	291	535
Cash and cash equivalents
Financial instruments
Assets	25,582	10,601
Cash and cash equivalents | Financial assets at amortized cost
Financial instruments
Assets	2,421	10,509
Cash and cash equivalents | Financial assets at fair value accounted through profit or loss
Financial instruments
Assets	23,161	92
Cash and banks | Financial assets at amortized cost
Financial instruments
Assets	1,718	2,889
Investments
Financial instruments
Assets	1,426	9,228
Investments | Financial assets at amortized cost
Financial instruments
Assets	1,066	8,107
Investments | Financial assets at fair value accounted through profit or loss
Financial instruments
Assets	360	1,121
Trade receivables
Financial instruments
Assets	17,048	26,884
Trade receivables | Financial assets at amortized cost
Financial instruments
Assets	17,048	26,884
Other receivables
Financial instruments
Assets	1,572	3,226
Other receivables | Financial assets at amortized cost
Financial instruments
Assets	1,409	2,002
Other receivables | Financial assets at fair value accounted through profit or loss
Financial instruments
Assets	$ 163	1,011
Other receivables | Financial assets at fair value accounted through other comprehensive income
Financial instruments
Assets		$ 213

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The amount of assets that are: (a) cash; (b) an equity instrument of another entity; (c) a contractual right: (i) to receive cash or another financial asset from another entity; or (ii) to exchange financial assets or financial liabilities with another entity under conditions that are potentially favourable to the entity; or (d) a contract that will, or may be, settled in the entity’s own equity instruments and is: (i) a non-derivative for which the entity is, or may be, obliged to receive a variable number of the entity’s own equity instruments; or (ii) a derivative that will, or may be, settled other than by the exchange of a fixed amount of cash or another financial asset for a fixed number of the entity’s own equity instruments. For this purpose the entity’s own equity instruments do not include puttable financial instruments classified as equity instruments in accordance with paragraphs 16A-16B of IAS 32, instruments that impose on the entity an obligation to deliver to another party a pro rata share of the net assets of the entity only on liquidation and are classified as equity instruments in accordance with paragraphs 16C-16D of IAS 32, or instruments that are contracts for the future receipt or delivery of the entity’s own equity instruments. [Refer: Financial instruments, class [member]; Financial liabilities]

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