XML 197 R180.htm IDEA: XBRL DOCUMENT
v3.25.1

Financial instruments risks - Evolution of Total VaR (Details) - ARS ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Average |  |
Value at risk [line items] |  |
Total value at risk | $ 2,735,590 | $ 303,540
Value at risk per interest rate | 2,736,580 | 336,970
Value at risk per exchange rate | 29,300 | 7,240
Minimum |  |
Value at risk [line items] |  |
Total value at risk | 273,390 | 24,490
Value at risk per interest rate | 257,730 | 29,580
Value at risk per exchange rate | 3,590 | 290
Maximum |  |
Value at risk [line items] |  |
Total value at risk | 9,720,950 | 1,586,800
Value at risk per interest rate | 9,715,070 | 2,163,960
Value at risk per exchange rate | 123,480 | 190,630
Closing |  |
Value at risk [line items] |  |
Total value at risk | 3,907,740 | 296,220
Value at risk per interest rate | 3,911,140 | 298,780
Value at risk per exchange rate | $ 16,210 | $ 12,280

X
- Definition The evolution of the total VaR (value at risk) estimating the maximum loss that can occur in the trading portfolio. + References No definition available. + Details
Name: | bbar_EvolutionOfTotalValueAtRisk
Namespace Prefix: | bbar_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The evolution of the total VaR (value at risk) of exchange rate estimating the maximum loss that can occur in the trading portfolio. + References No definition available. + Details
Name: | bbar_ExchangeRateValueAtRisk
Namespace Prefix: | bbar_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The evolution of the VaR (value at risk) of interest rate estimating the maximum loss that can occur in the trading portfolio. + References No definition available. + Details
Name: | bbar_InterestRateValueAtRisk
Namespace Prefix: | bbar_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Value at risk. + References No definition available. + Details
Name: | bbar_ValueAtRiskLineItems
Namespace Prefix: | bbar_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | bbar_EvolutionOfVarAxis=bbar_AverageValueAtRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bbar_EvolutionOfVarAxis=bbar_MinimumValueAtRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bbar_EvolutionOfVarAxis=bbar_MaximumValueAtRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bbar_EvolutionOfVarAxis=bbar_ClosingValueAtRiskMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |