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Note 40 - Financial Instruments Risks (Details) - ARS ($) | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017 | Jan. 01, 2017
Financial Instruments Risks Abstract |  |  |
Maximum Credit Risk Exposure of Impaired Financial Guarantees and Other Commitments | $ 84,661,000 |  |
Confidence Level of VAR | 99% |  |
Financial Guarantees and Loan Commitments Issued Which May Derived in Outflows on Demand | $ 143,028,291,000 | $ 163,942,824,000 | $ 128,772,673,000

X
- Definition The percent of confidence level of market risk metrics VAR to estimate the maximum loss expected. + References No definition available. + Details
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X
- Definition The amount of financial guarantees and loan commitments issued, which may derived in outflows on demand. + References No definition available. + Details
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X
- Definition The amount of maximum credit risk exposure of impaired financial guarantees and other commitments. + References No definition available. + Details
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Namespace Prefix: | bfr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- References No definition available. + Details
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