The amount of an entity’s right to consideration in exchange for goods or services that the entity has transferred to a customer, when that right is conditioned on something other than the passage of time (for example, the entity’s future performance).

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The amounts of income taxes payable in future periods in respect of taxable temporary differences. [Refer: Temporary differences [member]]

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Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

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The aggregate amount included in the determination of profit (loss) for the period in respect of current tax and deferred tax that relate to continuing operations. [Refer: Continuing operations [member]; Current tax expense (income); Deferred tax expense (income)]

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- Definition

A component of equity representing the entity's cumulative undistributed earnings or deficit.

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A component of equity representing the entity's cumulative undistributed earnings or deficit, before deducting of income tax.

+ References

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- Definition

Period of time over which sale price of performance obligation will be allocated.

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Significant accounting policies - New Standards (Details) - ARS ($) $ in Millions		12 Months Ended
	Jan. 01, 2018	Dec. 31, 2017	Dec. 31, 2016	Dec. 31, 2015
New Standards and Interpretations issued by the IASB not in force
Retained earnings		$ 7,630
Income tax expense		$ 3,902	$ 1,594	$ 1,692
Increase (decrease) due to application of IFRS 15
New Standards and Interpretations issued by the IASB not in force
Service term period		24 months
Contractual assets	$ 781
Deferred tax liabilities	234
Retained earnings	547
Advances for mobile handsets acquisitions \| Increase (decrease) due to application of IFRS 15
New Standards and Interpretations issued by the IASB not in force
Retained earnings	(48)
Retained earnings, before income tax	(68)
Income tax expense	(20)
Credit losses related to trade receivables \| Increase (decrease) due to application of IFRS 9
New Standards and Interpretations issued by the IASB not in force
Retained earnings	(357)
Retained earnings, before income tax	(482)
Income tax expense	$ (125)