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v3.24.1.1.u2

Labor liabilities and pension plan obligations (Details Narrative) - BRL (R$) R$ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 | Dec. 31, 2023
IfrsStatementLineItems [Line Items] |  |
Current liabilities | R$ 870,394 | R$ 853,424
Noncurrent liabilities | 522,737 | R$ 406,027
Other Obligations [Member] |  |
IfrsStatementLineItems [Line Items] |  |
General expenses | 162,388 |
General expenses paid | 10,237 |
Current liabilities | 31,206 |
Noncurrent liabilities | 120,945 |
Labor Obligations [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Current liabilities | 192,626 |
Noncurrent liabilities | 57,428 |
Provision for employee compensation | R$ 250,054 |

X
- Definition The amount of expense relating to general and administrative activities of the entity. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 112 -Subparagraph c -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_112_c&doctype=Standard -URIDate 2023-03-23 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount of current liabilities that the entity does not separately disclose in the same statement or note. [Refer: Current liabilities] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard -URIDate 2023-03-23 + Details
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Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount of non-current liabilities that the entity does not separately disclose in the same statement or note. [Refer: Non-current liabilities] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 55 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_55&doctype=Standard -URIDate 2023-03-23 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- Definition The amount of provisions for employee benefits. [Refer: Employee benefits expense; Provisions] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2023-01-01 -Paragraph 78 -Subparagraph d -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2023-en-r&anchor=para_78_d&doctype=Standard -URIDate 2023-03-23 + Details
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Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

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- References No definition available. + Details
Name: | sbs_GeneralExpensesPaid
Namespace Prefix: | sbs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- References No definition available. + Details
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Namespace Prefix: | sbs_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

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- Details
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Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |