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General information - Additional Information (Detail) - ARS ($) $ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2019 | Dec. 31, 2018
Disclosure of general information [line items] |  |
Name of Reporting Entity or Other Means of Identification | Banco BBVA Argentina S.A. |
Legal Form of Entity | sociedad anónima |
Country of Incorporation | Argentina |
Nature of Entitys Operations and Principal Activities | universal bank |
Name of Ultimate Parent of Group | Banco Bilbao Vizcaya Argentaria, S.A. |
Number of National Branches | 251 national branches |
Percentage of Share Capital of Controlling Entity | 66.55 |
New Name of Reporting Entity Defined by The Shareholders Meeting held in 2019 | Banco BBVA Argentina S.A. |
Cumulative inflation rate | 53.80% |
Securities measured at fair value through other comprehensive income | $ 45,205,882 | $ 37,787,332
Government securities [member] |  |
Disclosure of general information [line items] |  |
Government securities subject to restructuring accrual value | 8,661,041 |
Securities measured at fair value through other comprehensive income | $ 4,801,364 |

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