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Investments (Details Narrative) - BRL (R$) R$ in Thousands | 12 Months Ended |  |
--- | --- | --- | ---
Dec. 31, 2024 | Jul. 02, 2024 | Dec. 31, 2023
IfrsStatementLineItems [Line Items] |  |  |
Capital stock | R$ 15,000,000 |  | R$ 15,000,000
Seasamm [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Capital stock | R$ 19,532 |  |
Capital stock, shares | 19,532,409 |  |
Seasamm [Member] | Parent [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 36.00% |  |
Seasamm [Member] | GS Inima [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 64.00% |  |
Aguas De Andradina [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Capital stock | R$ 17,936 |  |
Capital stock, shares | 17,936,174 |  |
Aguas De Andradina [Member] | Parent [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 30.00% |  |
Aguas De Andradina [Member] | Igua [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 70.00% |  |
Aguas De Castilho [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Capital stock | R$ 2,785 |  |
Capital stock, shares | 2,785,276 |  |
Aguas De Castilho [Member] | Parent [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 30.00% |  |
Aguas De Castilho [Member] | Igua [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 70.00% |  |
Attend Ambiental [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Capital stock | R$ 23,494 |  |
Capital stock, shares | 37,677,245 |  |
Attend Ambiental [Member] | Parent [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 45.00% |  |
Attend Ambiental [Member] | Estre [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 55.00% |  |
Aquapolo Ambiental [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Capital stock | R$ 36,412 |  |
Capital stock, shares | 42,419,045 |  |
Aquapolo Ambiental [Member] | Parent [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 49.00% |  |
Aquapolo Ambiental [Member] | GS Inima [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 51.00% |  |
Paulista Geradora De Energia [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Capital stock | R$ 28,989 |  |
Capital stock, shares | 288,988,640 |  |
Paulista Geradora De Energia [Member] | Parent [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 25.00% |  |
Paulista Geradora De Energia [Member] | Servtec [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 37.50% |  |
Paulista Geradora De Energia [Member] | Tecniplan [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 37.50% |  |
Cantareira SP Energia [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Capital stock | R$ 1,000 |  |
Capital stock, shares | 1,000,000 |  |
Cantareira SP Energia [Member] | Parent [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 49.00% |  |
Cantareira SP Energia [Member] | Pacto SP Energia I Ltda [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 51.00% |  |
Barueri Energia Renovavel [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Capital stock | R$ 274,755 |  |
Capital stock, shares | 274,754,806 |  |
Acquired amount of share capital | R$ 40,000 |  |
Corresponding amount | 13,852 |  |
Right of use Investments | R$ 26,148 |  |
Issued debentures |  | R$ 395,000 |
Transaction value |  | R$ 79,000 |
Barueri Energia Renovavel [Member] | Parent [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 20.00% |  |
Barueri Energia Renovavel [Member] | FOXX Inova Ambiental SA [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 80.00% |  |
Infranext Solucoes Em Pavimentacao SA [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Capital stock | R$ 7,050 |  |
Capital stock, shares | 7,050,000 |  |
Increased share capital | R$ 12,000 |  |
Increased capital stock, shares | 12,000,000 |  |
Infranext Solucoes Em Pavimentacao SA [Member] | Parent [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 45.00% |  |
Infranext Solucoes Em Pavimentacao SA [Member] | DVS Locacao De Equipamentos Ltda [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 55.00% |  |
SABESP Olimpia SA [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Capital stock | R$ 811 |  |
Capital stock, shares | 811.121 |  |
SABESP Olimpia SA [Member] | Parent [member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Percentage of equity interest hold | 100.00% |  |
SABESP Olimpia SA 1 [Member] |  |  |
IfrsStatementLineItems [Line Items] |  |  |
Capital stock | R$ 8,111 |  |
Capital stock, shares | 8,111,208 |  |

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