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Fair Values Of Financial Instruments - Reconciliation of unobservable input reconciliation (Detail) - ARS ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020
Disclosure of fair value measurement of assets [line items] |  |
Asset at beginning of period | $ 1,046,062,309 |
Asset at the end of period | 1,030,980,553 | $ 1,046,062,309
Level 3 of fair value hierarchy [member] |  |
Disclosure of fair value measurement of assets [line items] |  |
Asset at beginning of period | 10,891,656 | 7,640,237
Asset at the end of period | 5,155,137 | 10,891,656
Investment in equity instruments [member] | Level 3 of fair value hierarchy [member] |  |
Disclosure of fair value measurement of assets [line items] |  |
Increase (decrease) in fair value measurement, assets | (1,483,592) | 5,085,061
Derivatives [member] | Level 3 of fair value hierarchy [member] |  |
Disclosure of fair value measurement of assets [line items] |  |
Increase (decrease) in fair value measurement, assets | (1,182,000) | 750,180
Private securities corporate bonds [Member] | Level 3 of fair value hierarchy [member] |  |
Disclosure of fair value measurement of assets [line items] |  |
Increase (decrease) in fair value measurement, assets | 1,041,220 |
Dividends received [Member] |  |
Disclosure of fair value measurement of assets [line items] |  |
Increase (decrease) in fair value measurement, assets | (582,269) | (682,674)
Net monetary inflation adjustment [Member] |  |
Disclosure of fair value measurement of assets [line items] |  |
Increase (decrease) in fair value measurement, assets | $ (3,529,878) | $ (1,901,148)

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