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Earnings Per Share - Summary of Earnings Per Share (Detail) - ARS ($) $ / shares in Units, $ in Millions	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Earnings per share [abstract]
Net (loss) / profit	$ (69,649)	$ (34,071)	$ 38,613
Average number of shares outstanding	392,555,569	392,314,842	392,302,437
Basic and diluted earnings per share	$ (177.42)	$ (86.85)	$ 98.43

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- Definition

The amount of earnings per share when the basic and diluted measurements are equal. [Refer: Basic earnings (loss) per share; Diluted earnings (loss) per share]

+ References

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No definition available.

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- Definition

The profit (loss) from continuing and discontinued operations attributable to owners of the parent. [Refer: Profit (loss)]

+ References

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- Definition

The number of ordinary shares outstanding at the beginning of the period, adjusted by the number of ordinary shares bought back or issued during the period multiplied by a time-weighting factor.

+ References

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