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v3.21.1

Significant accounting policies - Additional Information (Detail) | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Disclosure Of Significant Accounting Policies [line items] |  |  |
Significant Influence About Associates | between 20 and 50 percent |  |
Useful Lives of Buildings | as informed in the technical appraisal as of January 1, 2017 |  |
Useful Lives of Furniture and facilities | 10 years |  |
Useful Lives of Equipment | 3-5 years |  |
Useful Lives of Automobiles | 5 years |  |
Useful Lives of Information Systems | 5 years |  |
CPI | 36.14% | 53.83% | 47.65%
Defaulted Exposure [Member] |  |  |
Disclosure Of Significant Accounting Policies [line items] |  |  |
Total Risk |  | 40.00% |
Watch List Exposure [Member] |  |  |
Disclosure Of Significant Accounting Policies [line items] |  |  |
Total Risk | 20.00% |  |
Investment funds [member] |  |  |
Disclosure Of Significant Accounting Policies [line items] |  |  |
Economic Interest Rate | 37.00% |  |

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- Definition Disclosure of significant accounting policies. + References No definition available. + Details
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- Definition Economic Interest Rate. + References No definition available. + Details
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- Definition Significant influence is presumed to exist when the bank holds between 20 and 50 percent of the voting power of another entity. + References No definition available. + Details
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- Definition Total Risk involved in exposure + References No definition available. + Details
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- Definition The estimated duration that cars can have, correctly fulfilling the function for which it was created. + References No definition available. + Details
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- Definition The estimated time of duration that the building can have, fulfilling correctly the function for which it has been created. + References No definition available. + Details
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- Definition The estimated duration that the equipment can have, correctly fullfiling the function for which it has been created. + References No definition available. + Details
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- Definition The estimated duration that the furniture and installations can have, fulfilling correctly the function for which it has been created. + References No definition available. + Details
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- Definition The estimated duration that information systems can have, correctly fulfilling the function for which it was created. + References No definition available. + Details
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- Details
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- Details
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- Details
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