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Income Tax - Summary of Breakdown of Deferred Tax (Parenthetical) (Detail) - ARS ($) $ in Millions | 12 Months Ended
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Dec. 31, 2019 | Dec. 31, 2018
Breakdown of deferred tax [line Items] |  |
Adjustment for inflation of the opening deferred liabilities | $ (1,523) | $ (3,432)
IFRS9 [member] | Financial assets impaired [member] |  |
Breakdown of deferred tax [line Items] |  |
Impairment of financial assets | $ 127 |

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- Definition The amount of impairment loss on financial assets. [Refer: Financial assets; Impairment loss] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2021-01-01 -Name IFRS -Number 7 -IssueDate 2019-01-01 -Paragraph 20 -Subparagraph e -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_20_e&doctype=Standard&book=b -URIDate 2019-03-27 + Details
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- Definition Adjustment to offset deferred tax liabilities. + References No definition available. + Details
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- Definition Breakdown of deferred tax. + References No definition available. + Details
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- Details
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- Details
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