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Other Net Operating Results (Detail) - ARS ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure of Other Operating Results Net [abstract] |  |  |  |
Result of companies' revaluation | [1] |  |  | $ 11,980
Result for sale of participation in areas | [1] | $ 12,233 | $ 778 | 2,322
Lawsuits |  | (5,300) | (2,732) | (2,365)
Insurance |  | 3,925 | 498 | 417
Construction incentive | [2] |  | 688 |
Unrecoverable credit - Resolution MINEM No. 508/E-2017 | [3] |  | (622) |
Result for contractual commitment Exmar | [4] | (8,285) |  |
Miscellaneous |  | 1,376 | 260 | (409)
Other operating results, net |  | $ 3,949 | $ (1,130) | $ 11,945
[1] | See Note 3.
[2] | See Note 35.
[3] | See Note 34.h.
[4] | See Note 33.f.

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