XML 257 R181.htm IDEA: XBRL DOCUMENT
v3.25.1

Commitments (Details) R$ in Thousands | Dec. 31, 2024 BRL (R$)
--- | ---
IfrsStatementLineItems [Line Items] |
Contractual obligations - expenses | R$ 9,692,525
Contractual obligations - investments | 12,232,950
Total | 21,925,475
Not later than one year [member] |
IfrsStatementLineItems [Line Items] |
Contractual obligations - expenses | 2,187,670
Contractual obligations - investments | 4,203,686
Total | 6,391,356
Later than one year and not later than three years [member] |
IfrsStatementLineItems [Line Items] |
Contractual obligations - expenses | 2,057,845
Contractual obligations - investments | 7,373,479
Total | 9,431,324
Later Than Three Year And Not Later Than Five Years [Member] |
IfrsStatementLineItems [Line Items] |
Contractual obligations - expenses | 1,397,956
Contractual obligations - investments | 539,247
Total | 1,937,203
Later than five years [member] |
IfrsStatementLineItems [Line Items] |
Contractual obligations - expenses | 4,049,054
Contractual obligations - investments | 116,538
Total | R$ 4,165,592

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- Definition The amount of an entity’s obligation to transfer goods or services to a customer for which the entity has received consideration (or the amount is due) from the customer. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2024-01-01 -Paragraph 105 -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2024-en-r&anchor=para_105&doctype=Standard -URIDate 2024-03-27 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 15 -IssueDate 2024-01-01 -Paragraph 116 -Subparagraph a -URI https://taxonomy.ifrs.org/xifrs-link?type=IFRS&num=15&code=ifrs-tx-2024-en-r&anchor=para_116_a&doctype=Standard -URIDate 2024-03-27 + Details
Name: | ifrs-full_ContractLiabilities
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_ContractLiabilitiesExpenses
Namespace Prefix: | sbs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
Name: | sbs_ContractLiabilitiesInvestments
Namespace Prefix: | sbs_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

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- References No definition available. + Details
Name: | sbs_IfrsStatementLineItems
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: |

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- Details
Name: | ifrs-full_MaturityAxis=sbs_LaterThanThreeYearAndNotLaterThanFiveYearsMember
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: |