XML 214 R138.htm IDEA: XBRL DOCUMENT v3.25.1

Borrowings and financing (Details 8) R$ in Thousands	Dec. 31, 2024 BRL (R$)
IfrsStatementLineItems [Line Items]
Borrowings and financing - credit limits	R$ 3,697
Brazilian Federal Savings Bank [Member]
IfrsStatementLineItems [Line Items]
Borrowings and financing - credit limits	768
Brazilian Development Bank – BNDES [Member]
IfrsStatementLineItems [Line Items]
Borrowings and financing - credit limits	30
Inter-American Development Bank (IDB) [Member]
IfrsStatementLineItems [Line Items]
Borrowings and financing - credit limits	886
International Bank for Reconstruction and Development (IBRD) [Member]
IfrsStatementLineItems [Line Items]
Borrowings and financing - credit limits	1,060
BTG Pactual Bank [Member]
IfrsStatementLineItems [Line Items]
Borrowings and financing - credit limits	949
Other Borrowings And Financing [Member]
IfrsStatementLineItems [Line Items]
Borrowings and financing - credit limits	R$ 4

X

- References

No definition available.

+ Details

Name:	sbs_BorrowingsAndFinancingCreditLimited
Namespace Prefix:	sbs_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	sbs_IfrsStatementLineItems
Namespace Prefix:	sbs_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=sbs_BrazilianFederalSavingsBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=sbs_BrazilianDevelopmentsBankBNDESMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=sbs_InterAmericanDevelopmentBankIDBMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=sbs_InternationalBankForReconstructionAndDevelopmenstMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=sbs_BTGPactualBankMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_CategoriesOfRelatedPartiesAxis=sbs_OtherBorrowingsAndFinancingMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: