XML 52 R185.htm IDEA: XBRL DOCUMENT
v3.20.1

Related Parties - Transactions And Balances With Key Management Personnel (Details) - ARS ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2019 | Dec. 31, 2018 | Dec. 31, 2017
Deposits Member |  |  |
Disclosure Of Transactions And Balances With Key Management Personnel [Line Items] |  |  |
Balances With Key Management Personnel | $ 18,461 | $ 46,633 |
Transactions with key management personnel | 1,196 | 248 | $ 154
Credit Cards Member | Loans Member |  |  |
Disclosure Of Transactions And Balances With Key Management Personnel [Line Items] |  |  |
Balances With Key Management Personnel | 4,618 | 4,472 |
Transactions with key management personnel | 1,090 | 1,514 | 1,043
Overdrafts Member | Loans Member |  |  |
Disclosure Of Transactions And Balances With Key Management Personnel [Line Items] |  |  |
Balances With Key Management Personnel | 41 | 29 |
Transactions with key management personnel | 0 | 15 | 23
Consumer Loans Member | Loans Member |  |  |
Disclosure Of Transactions And Balances With Key Management Personnel [Line Items] |  |  |
Balances With Key Management Personnel | 0 | 0 |
Transactions with key management personnel | 0 | 0 | 15
Mortgage With Key Management Personnel Member | Loans Member |  |  |
Disclosure Of Transactions And Balances With Key Management Personnel [Line Items] |  |  |
Balances With Key Management Personnel | 1,258 | 2,024 |
Transactions with key management personnel | 278 | 445 | 423
Financial Leases Member | Loans Member |  |  |
Disclosure Of Transactions And Balances With Key Management Personnel [Line Items] |  |  |
Balances With Key Management Personnel | 0 | 0 |
Transactions with key management personnel | $ 0 | $ 0 | $ 2

X
- Definition Balances with key management personnel + References No definition available. + Details
Name: | bbar_BalancesWithKeyManagementPersonnel
Namespace Prefix: | bbar_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | bbar_DisclosureOfTransactionsAndBalancesWithKeyManagementPersonnelLineItems
Namespace Prefix: | bbar_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Transactions with key management personnel + References No definition available. + Details
Name: | bbar_TransactionsWithKeyManagementPersonnel
Namespace Prefix: | bbar_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | bbar_LoansAndDepositsAxis=bbar_DepositsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BusinessCombinationsAxis=bbar_CreditCardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | bbar_LoansAndDepositsAxis=bbar_LoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BusinessCombinationsAxis=bbar_OverdraftsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BusinessCombinationsAxis=ifrs-full_ConsumerLoansMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BusinessCombinationsAxis=bbar_MortgageWithKeyManagementPersonnelMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_BusinessCombinationsAxis=bbar_FinancialLeasesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |