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Income Tax - Additional Information (Detail) - ARS ($) $ in Millions | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Deferred income tax assets, net | $ 2,629 | $ 1,583 | $ 301
Deferred income tax liabilities, net | 119,609 | 97,231 | 91,125
Current tax liabilities, current | 740 | 1,964 | 357
Current tax liabilities, non-current | 3,571 | 3,387 |
Amounts of deferred tax assets not recognised | $ 956 | $ 0 | $ 0
Date of initial maturity | 2021 |  |
Date of expiration | 2025 |  |
Tax year one [member] |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Threshold percentage for annual variation in inflation | 55.00% |  |
Tax year two [member] |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Threshold percentage for annual variation in inflation | 30.00% |  |
Tax year three [member] |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Threshold percentage for annual variation in inflation | 15.00% |  |
Payment plan [member] |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Current tax liabilities, current | $ 513 |  |
Current tax liabilities, non-current | $ 3,551 |  |
Argentina [member] |  |  |
Disclosure of temporary difference, unused tax losses and unused tax credits [line items] |  |  |
Tax loss carryforwards expire | expire within 5 years. |  |
Deferred income tax assets, net | $ 82,601 |  |

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