XML 131 R112.htm IDEA: XBRL DOCUMENT
v3.24.1.u1

Financial assets at amortized cost (Details) - ARS ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Fair Value of Financial Assets Accepted as Collateral [Abstract] |  |
Fair value of finacial assets accepted as collateral | $ 1,325,617,978 | $ 182,461,131

X
- Definition The fair value of financial assets accepted as collateral that the Group is permitted to sell or repledge in the absence of default. + References No definition available. + Details
Name: | bbar_FairValueOfFinancialAssetsAcceptedAsCollateral
Namespace Prefix: | bbar_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Fair Value of Financial Assets Accepted as Collateral Abstract. + References No definition available. + Details
Name: | bbar_FairValueOfFinancialAssetsAcceptedAsCollateralAbstract
Namespace Prefix: | bbar_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration