XML 133 R122.htm IDEA: XBRL DOCUMENT v3.19.1

20. Provisions (Details) - BRL (R$) R$ in Thousands	Dec. 31, 2018	Dec. 31, 2017
SummaryOfProvisionsLineItems [Line Items]
Provisions	R$ 993,625	R$ 1,422,588
Escrow deposits	(100,763)	(344,384)
Total	892,862	1,078,204
Current	458,387	607,959
Noncurrent	434,475	470,245
Customer claims
SummaryOfProvisionsLineItems [Line Items]
Provisions	290,649	438,619
Escrow deposits	(43,841)	(56,301)
Total	246,808	382,318
Supplier claims
SummaryOfProvisionsLineItems [Line Items]
Provisions	67,985	332,037
Escrow deposits	(24,380)	(259,608)
Total	43,605	72,429
Other civil claims
SummaryOfProvisionsLineItems [Line Items]
Provisions	98,302	114,544
Escrow deposits	(13,519)	(16,227)
Total	84,783	98,317
Tax claims
SummaryOfProvisionsLineItems [Line Items]
Provisions	63,335	77,100
Escrow deposits	(8,091)	(5,507)
Total	55,244	71,593
Labor claims
SummaryOfProvisionsLineItems [Line Items]
Provisions	302,935	299,842
Escrow deposits	(10,932)	(6,741)
Total	292,003	293,101
Environmental claims
SummaryOfProvisionsLineItems [Line Items]
Provisions	170,419	160,446
Escrow deposits	0	0
Total	170,419	160,446
Current
SummaryOfProvisionsLineItems [Line Items]
Provisions	458,387	607,959
Escrow deposits	0	0
Noncurrent
SummaryOfProvisionsLineItems [Line Items]
Provisions	535,238	814,629
Escrow deposits	R$ (100,763)	R$ (344,384)

X

- References

No definition available.

+ Details

Name:	SBS_ProvisionsGross
Namespace Prefix:	SBS_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

Name:	SBS_ProvisionsNet
Namespace Prefix:	SBS_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- References

No definition available.

+ Details

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

X

- Definition

The amount of current provisions. [Refer: Provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 54
-Subparagraph l
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_54_l&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_CurrentProvisions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The amount of non-current provisions. [Refer: Provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 54
-Subparagraph l
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_54_l&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_NoncurrentProvisions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

The amount of provisions other than provisions for employee benefits. [Refer: Provisions]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 37
-IssueDate 2018-01-01
-Paragraph 84
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=37&date=2018-03-01&anchor=para_84_a&doctype=Standard
-URIDate 2018-03-16

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2018-01-01
-Paragraph 78
-Subparagraph d
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_78_d&doctype=Standard
-URIDate 2018-03-16

+ Details

Name:	ifrs-full_OtherProvisions
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	ifrs-full_ClassesOfProvisionsAxis=SBS_CustomerClaimsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfProvisionsAxis=SBS_SupplierClaimsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfProvisionsAxis=SBS_OtherCivilClaimsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfProvisionsAxis=SBS_TaxClaimsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfProvisionsAxis=SBS_LaborClaimsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfProvisionsAxis=SBS_EnvironmentalClaimsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfProvisionsAxis=SBS_CurrentProvisionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfProvisionsAxis=SBS_NoncurrentProvisionsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: