XML 161 R147.htm IDEA: XBRL DOCUMENT v3.21.1

22 Services payable (Details Narrative) - BRL (R$) R$ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Services Payable
Services payable	R$ 453,750	R$ 474,078

X

- Definition

The amount represents information related to services payable.

+ References

No definition available.

+ Details

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

X

- References

No definition available.

+ Details

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