XML 167 R146.htm IDEA: XBRL DOCUMENT
v3.21.1

Analysis Of Changes In Financing Activities During The Year (Details) - Debt securities [member] - ARS ($) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2020 | Dec. 31, 2019
Analysis of changes in financing during the year [Line Items] |  |
Debt Securities Issued Opening Balance | $ 13,390,515 | $ 5,180,604
Gain of control over subsidiaries |  | 5,054,024
New borrowings | 4,691,050 | 11,710,741
Debt payments | (8,260,445) | (6,054,607)
Interests and adjustments accrued | 3,540,061 | 5,716,480
Interests paid | (3,910,199) | (3,362,337)
Inflation effect on debt securities issued | (5,331,472) | (4,854,390)
Debt Securities Issued Closing Balance | $ 4,119,510 | $ 13,390,515

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

X
- Definition Decrease Through Debt Payments Arising From Financing Activities. + References No definition available. + Details
Name: | bbar_DecreaseThroughDebtPaymentsArisingFromFinancingActivities
Namespace Prefix: | bbar_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Increase Through New Borrowings Arising From Financing Activities. + References No definition available. + Details
Name: | bbar_IncreaseThroughNewBorrowingsArisingFromFinancingActivities
Namespace Prefix: | bbar_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of the inflation effect on debt securities issued during the year. + References No definition available. + Details
Name: | bbar_InflationEffectOnDebtSecuritiesIssued
Namespace Prefix: | bbar_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of the interests and adjustments accrued by debt securities issued during the year. + References No definition available. + Details
Name: | bbar_InterestsAndAdjustmentsAccruedByDebtSecuritiesIssued
Namespace Prefix: | bbar_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of the interests paid by debt securities issued during the year. + References No definition available. + Details
Name: | bbar_InterestsPaidByDebtSecuritiesIssued
Namespace Prefix: | bbar_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The increase (decrease) in liabilities arising from financing activities resulting from obtaining or losing control of subsidiaries or other businesses. [Refer: Liabilities arising from financing activities; Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 44B -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_44B_b&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_IncreaseDecreaseThroughObtainingOrLosingControlOfSubsidiariesOrOtherBusinessesLiabilitiesArisingFromFinancingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The amount of liabilities for which cash flows were, or future cash flows will be, classified in the statement of cash flows as cash flows from financing activities. [Refer: Cash flows from (used in) financing activities; Liabilities] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 7 -IssueDate 2020-01-01 -Paragraph 44D -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2020-en-r&anchor=para_44D&doctype=Standard -URIDate 2020-01-01 + Details
Name: | ifrs-full_LiabilitiesArisingFromFinancingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | ifrs-full_LiabilitiesArisingFromFinancingActivitiesAxis=ifrs-full_DebtSecuritiesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |