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Schedule of liquidity risk (Details) - Liquidity risk [member] R$ in Thousands | Dec. 31, 2021 BRL (R$)
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IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | R$ 26,772,677
Loans And Financing [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 5,146,307
Changes in Actuarial Assets |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 11,242,276
Payable Related To Concession [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 3,042,370
Accounts Payable To Suppliers [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 2,710,984
Ordinary financing of taxes with the federal tax authorities |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 3,363,440
Special Tax Regularization Program Pert [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 544,992
Sectorial Financial Liabilities [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 330,748
Lease Liability [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 391,560
Not later than one month [member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 2,489,258
Not later than one month [member] | Loans And Financing [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 37,039
Not later than one month [member] | Changes in Actuarial Assets |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 65,956
Not later than one month [member] | Payable Related To Concession [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 8,948
Not later than one month [member] | Accounts Payable To Suppliers [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 2,355,760
Not later than one month [member] | Ordinary financing of taxes with the federal tax authorities |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow |
Not later than one month [member] | Special Tax Regularization Program Pert [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 4,375
Not later than one month [member] | Sectorial Financial Liabilities [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 11,736
Not later than one month [member] | Lease Liability [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 5,444
Later than one month and not later than three months [member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 452,074
Later than one month and not later than three months [member] | Loans And Financing [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 97,025
Later than one month and not later than three months [member] | Changes in Actuarial Assets |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 56,696
Later than one month and not later than three months [member] | Payable Related To Concession [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 17,904
Later than one month and not later than three months [member] | Accounts Payable To Suppliers [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 236,941
Later than one month and not later than three months [member] | Ordinary financing of taxes with the federal tax authorities |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow |
Later than one month and not later than three months [member] | Special Tax Regularization Program Pert [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 8,829
Later than one month and not later than three months [member] | Sectorial Financial Liabilities [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 23,760
Later than one month and not later than three months [member] | Lease Liability [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 10,919
Later than three months and not later than one year [member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 3,794,578
Later than three months and not later than one year [member] | Loans And Financing [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 729,794
Later than three months and not later than one year [member] | Changes in Actuarial Assets |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 2,727,331
Later than three months and not later than one year [member] | Payable Related To Concession [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 82,977
Later than three months and not later than one year [member] | Accounts Payable To Suppliers [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 51,322
Later than three months and not later than one year [member] | Ordinary financing of taxes with the federal tax authorities |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow |
Later than three months and not later than one year [member] | Special Tax Regularization Program Pert [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 41,411
Later than three months and not later than one year [member] | Sectorial Financial Liabilities [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 112,857
Later than three months and not later than one year [member] | Lease Liability [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 48,886
Later than one year and not later than five years [member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 12,901,790
Later than one year and not later than five years [member] | Loans And Financing [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 2,047,981
Later than one year and not later than five years [member] | Changes in Actuarial Assets |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 6,362,806
Later than one year and not later than five years [member] | Payable Related To Concession [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 500,875
Later than one year and not later than five years [member] | Accounts Payable To Suppliers [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 66,961
Later than one year and not later than five years [member] | Ordinary financing of taxes with the federal tax authorities |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 3,363,440
Later than one year and not later than five years [member] | Special Tax Regularization Program Pert [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 258,120
Later than one year and not later than five years [member] | Sectorial Financial Liabilities [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 182,395
Later than one year and not later than five years [member] | Lease Liability [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 119,212
Later than five years [member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 7,134,977
Later than five years [member] | Loans And Financing [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 2,234,468
Later than five years [member] | Changes in Actuarial Assets |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 2,029,487
Later than five years [member] | Payable Related To Concession [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 2,431,666
Later than five years [member] | Accounts Payable To Suppliers [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow |
Later than five years [member] | Ordinary financing of taxes with the federal tax authorities |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow |
Later than five years [member] | Special Tax Regularization Program Pert [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | 232,257
Later than five years [member] | Sectorial Financial Liabilities [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow |
Later than five years [member] | Lease Liability [Member] |
IfrsStatementLineItems [Line Items] |
Total financial liabilities under undiscounted cash flow | R$ 207,099

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