XML 130 R82.htm IDEA: XBRL DOCUMENT
v3.22.1

Financial risk management - Credit risk - maximum exposure (Details) - BRL (R$) R$ in Thousands | 12 Months Ended |
--- | --- | ---
Dec. 31, 2021 | Dec. 31, 2020
Disclosure of credit risk exposure [line items] |  |
Maximum exposure to credit risk | R$ 35,012,793 | R$ 18,997,105
Maximum transaction value | R$ 15,000 |
Maximum percentage of regulatory capital | 1.00% |
Balances of "Cash and cash equivalents" |  |
Disclosure of credit risk exposure [line items] |  |
Maximum exposure to credit risk | R$ 500,446 | 2,154,687
Amounts due from financial institutions |  |
Disclosure of credit risk exposure [line items] |  |
Maximum exposure to credit risk | 2,051,862 | 502,369
Compulsory deposits at Banco Central do Brasil [Member] |  |
Disclosure of credit risk exposure [line items] |  |
Maximum exposure to credit risk | 2,399,488 | 1,709,729
Derivative financial instrument |  |
Disclosure of credit risk exposure [line items] |  |
Maximum exposure to credit risk | 86,948 | 27,513
Loans and advances to customer |  |
Disclosure of credit risk exposure [line items] |  |
Maximum exposure to credit risk | 17,216,362 | 8,790,058
Other financial assets |  |
Disclosure of credit risk exposure [line items] |  |
Maximum exposure to credit risk | 12,757,687 | 5,812,622
Subtotal |  |
Disclosure of credit risk exposure [line items] |  |
Maximum exposure to credit risk | R$ 35,012,793 | 18,996,978
Financial guarantees provided |  |
Disclosure of credit risk exposure [line items] |  |
Maximum exposure to credit risk |  | R$ 127

X
- Definition The maximum amount per transaction with any legal entity per entity policy to manage credit risk. + References No definition available. + Details
Name: | b3_ExposureToCreditRiskMaximumTransactionValuePerLegalEntity
Namespace Prefix: | b3_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The maximum percentage of regulatory capital for any transaction with an individual per entity policy to manage credit risk. + References No definition available. + Details
Name: | b3_ExposureToCreditRiskMaximumValueForTransactionsWithIndividualsAsPercentageOfRegulatoryCapital
Namespace Prefix: | b3_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with members defined in one or many axes of the table. + References No definition available. + Details
Name: | ifrs-full_DisclosureOfCreditRiskExposureLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount that best represents the maximum exposure to credit risk without taking into account any collateral held or other credit enhancements (for example, netting agreements that do not qualify for offset in accordance with IAS 32). [Refer: Credit risk [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 35K -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2021-en-r&anchor=para_35K_a&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Note Expiry date 2023-01-01 -Name IFRS -Number 7 -IssueDate 2021-01-01 -Paragraph 36 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=7&code=ifrs-tx-2017-en-b&anchor=para_36_a&doctype=Standard&book=b -URIDate 2021-03-24 + Details
Name: | ifrs-full_MaximumExposureToCreditRisk
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=b3_CashAndCashEquivalentsClassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=b3_AmountsDueFromFinancialInstitutionsClassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=b3_DepositsAtCentralBankMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=ifrs-full_DerivativesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=b3_LoansAndAdvancesToCustomersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=b3_OtherFinancialAssetsClassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=b3_FinancialAssetsClassMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_ClassesOfFinancialInstrumentsAxis=ifrs-full_FinancialGuaranteeContractsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |