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v3.22.1

Schedule of guarantees of the debtor balance on loans and financings (Details) - BRL (R$) R$ in Millions | Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
--- | --- | --- | --- | ---
IfrsStatementLineItems [Line Items] |  |  |  |
Borrowings | R$ 11,364 | R$ 15,020 | R$ 14,777 | R$ 14,772
Promissory Notes And Sureties [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Borrowings | 7,177 |  |  |
Guarantee And Receivables [Member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Borrowings | 3,094 |  |  |
Receivables [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Borrowings | 36 |  |  |
Shares [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Borrowings | 52 |  |  |
Unsecured [member] |  |  |  |
IfrsStatementLineItems [Line Items] |  |  |  |
Borrowings | R$ 1,005 |  |  |

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