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v3.24.1.1.u2

Related-party balances and transactions (Details) - BRL (R$) R$ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
IfrsStatementLineItems [Line Items] |  |
Total current | R$ 266,662 | R$ 261,280
Accounts receivable, noncurrent | 932,308 | 935,272
Total receivables | 1,198,970 | 1,196,552
Total | 1,198,970 | 1,196,552
Liabilities | 34,365,075 | 31,613,581
Agreement For The Installment Payment Of Sanitation Services [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Accounts receivable, noncurrent | 1,361 | 1,361
Reimbursement G E S P 2015 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Accounts receivable, noncurrent | 930,947 | 933,911
Sanitation Services [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Total | 117,891 | 120,378
Reimbursement For Retirement And Pension Benefits Paid [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Total | 1,081,079 | 1,076,174
Interest On Capital Payable [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Liabilities | 420,564 | 420,564
Sanitation Services [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Total current | 167,608 | 169,515
Allowance For Loss [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Total current | (51,078) | (50,498)
Monthly Flow Paymentsiiandvi [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Total current | 41,929 | 36,241
Reimbursement G E S P 2015 [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Total current | R$ 108,203 | R$ 106,022

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