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v3.23.1

Fee and Commission Expense (Details) - ARS ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021 | Dec. 31, 2020
Fee and commission expense [abstract] |  |  |
For credit and debit cards | $ 23,080,728 | $ 23,312,872 | $ 25,064,694
For promotions | 2,612,891 | 3,067,844 | 5,135,677
For foreign trade transactions | 985,471 | 993,322 | 818,725
Linked to transactions with securities | 15,701 | 23,315 | 13,331
Other commission expenses | 5,894,233 | 4,623,450 | 2,554,624
TOTAL | $ 32,589,024 | $ 32,020,803 | $ 33,587,051

X
- Definition The amount of expense relating commissions for credit and debit cards. + References No definition available. + Details
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Namespace Prefix: | bbar_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of expense relating commissions for foreign trade transactions. + References No definition available. + Details
Name: | bbar_ForForeignTradeTransactions
Namespace Prefix: | bbar_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of expense relating commissions for promotions. + References No definition available. + Details
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Namespace Prefix: | bbar_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Linked to transactions with securities. + References No definition available. + Details
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Namespace Prefix: | bbar_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of expense relating commissions for other commission expenses. + References No definition available. + Details
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Namespace Prefix: | bbar_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of expense relating to fees and commissions. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2022-03-24 -Paragraph 85 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_85&doctype=Standard -URIDate 2022-03-24 + Details
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Balance Type: | debit
Period Type: | duration

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- References No definition available. + Details
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