XML 126 R115.htm IDEA: XBRL DOCUMENT v3.19.1

18. Taxes recoverable/payable (Details) - BRL (R$) R$ in Thousands	Dec. 31, 2018	Dec. 31, 2017
SummaryOfTaxesRecoverablePayableLineItems [Line Items]
Current tax assets	R$ 380,703	R$ 276,585
Income tax and social contribution
SummaryOfTaxesRecoverablePayableLineItems [Line Items]
Current tax assets	361,758	270,614
Withholding income tax on financial investments For - IRRF
SummaryOfTaxesRecoverablePayableLineItems [Line Items]
Current tax assets	6,423	2,606
Other federal taxes
SummaryOfTaxesRecoverablePayableLineItems [Line Items]
Current tax assets	R$ 12,522	R$ 3,365

X

- References

No definition available.

+ Details

Name:	SBS_SummaryOfTaxesRecoverablePayableLineItems
Namespace Prefix:	SBS_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The excess of amount paid for current tax in respect of current and prior periods over the amount due for those periods. Current tax is the amount of income taxes payable (recoverable) in respect of the taxable profit (tax loss) for a period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 54
-Subparagraph n
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_54_n&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_CurrentTaxAssets
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis=SBS_IncomeTaxAndSocialContributionMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis=SBS_WithholdingIncomeTaxMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_TemporaryDifferenceUnusedTaxLossesAndUnusedTaxCreditsAxis=SBS_OtherFederalTaxesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: