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Employee Benefit Plans and Similar Obligations - Summary of Share Based Compensation Plan (Plan 2020-2023) (Detail) - Plan 2020-23 [member] $ in Millions | 12 Months Ended
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Dec. 31, 2020 ARS ($) | Dec. 31, 2020 $ / shares
Disclosure of terms and conditions of share-based payment arrangement [line items] |  |
Amount at the beginning of the fiscal year | 0 |
Granted | 774,150 |
Amount at end of fiscal year | 774,150 |
Expense recognized during the fiscal year | $ | $ 108 |
Fair value of shares on grant date (in U.S. dollars) | $ / shares |  | $ 4.75

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- Definition The amount of expense from share-based payment transactions with employees. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2020-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_112_c&doctype=Standard -URIDate 2020-01-01 + Details
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- Definition The number of share options granted in a share-based payment arrangement. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2020-01-01 -Paragraph 45 -Subparagraph b -Clause ii -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=2&code=ifrs-tx-2020-en-r&anchor=para_45_b_ii&doctype=Standard -URIDate 2020-01-01 + Details
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- Details
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