XML 108 R97.htm IDEA: XBRL DOCUMENT
v3.8.0.1

14. Intangible assets (Details Narrative) - BRL (R$) R$ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Intangible Assets Details Narrative |  |  |
Indemnities receivable, noncurrent | R$ 24,071 |  |
Number of municipalities | 368 | 366 |
Program Contracts Commitments, Current | R$ 128,802 | R$ 109,042 |
Program Contracts Commitments, Noncurrent | 110,698 | 69,051 |
Capitalized interest and inflation adjustment | 649,048 | 700,743 | R$ 466,544
Construction margin | 70,335 | 81,513 | 72,908
Expropriations | 19,576 | 40,452 | R$ 66,801
Intangible assets - PPP | R$ 2,818,805 | 1,951,538 |
Intangible assets, physical evolution of contruction - PPP | 89.00% |  |
Intangible assets, discount rate for adjustment - PPP | 7.80% |  |
Intangible assets work in progress | R$ 10,387,000 | R$ 9,156,000 |
Intangible assets work in progress - São Paulo | 6,497,000 |  |
Intangible assets work in progress - PPP SÃO LOURENÇO | 2,819,000 |  |
Intangible assets work in progress - Franca | 253,000 |  |
Intangible assets work in progress, Itanhaém | R$ 208,000 |  |
Amortization average rate | 3.90% | 3.90% | 3.90%
Intangible assets related to PPP ALTO TIETÊ | R$ 371,862 | R$ 382,103 |
Estimated monetary restatement | 7,900,000 |  |
Monthly assigned funds from tariffs | R$ 10,012 |  |
Adjustment to present value of agreement | 8.20% |  |
Agreement percentage of revenue | 55.38% |  |
Construction margin | 2.30% | 2.30% |
Funds from tariffs arising from services provided | R$ 24,400 |  |

X
- References No definition available. + Details
Name: | SBS_AdjustmentToPresentValueOfAgreement
Namespace Prefix: | SBS_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | SBS_AgreementPercentageOfRevenue
Namespace Prefix: | SBS_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | SBS_AmortizationAverageRate
Namespace Prefix: | SBS_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | SBS_EstimatedMonetaryRestatement
Namespace Prefix: | SBS_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | SBS_ExpropriationCosts
Namespace Prefix: | SBS_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | SBS_FundsFromTariffsArisingFromServicesProvided
Namespace Prefix: | SBS_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

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

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

X
- References No definition available. + Details
Name: | SBS_IntangibleAssetsDetailsNarrativeAbstract
Namespace Prefix: | SBS_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | SBS_IntangibleAssetsPhysicalEvolutionOfContructionDiscountRate
Namespace Prefix: | SBS_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | SBS_IntangibleAssetsPhysicalEvolutionOfContructionPpp
Namespace Prefix: | SBS_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

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

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

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

X
- References No definition available. + Details
Name: | SBS_MonthlyAssignedFundsFromTariffs
Namespace Prefix: | SBS_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- References No definition available. + Details
Name: | SBS_NumberOfMunicipalities
Namespace Prefix: | SBS_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | SBS_PublicPrivatePartnershipIntangibleAssets
Namespace Prefix: | SBS_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- References No definition available. + Details
Name: | SBS_RevenueFromConstructionServiceGrossMargin
Namespace Prefix: | SBS_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

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

X
- Definition The amount of interest and other costs that an entity incurs in connection with the borrowing of funds that are directly attributable to the acquisition, construction or production of a qualifying asset and which form part of the cost of that asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 23 -IssueDate 2017-01-01 -Paragraph 26 -Subparagraph a -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=23&date=2017-03-01&anchor=para_26_a&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_BorrowingCostsCapitalised
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | duration

X
- Definition The amount of current contract liabilities. [Refer: Contract liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2018-01-01 -Name IFRS -Number 15 -IssueDate 2017-01-01 -Paragraph 105 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2017-03-01&anchor=para_105&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_CurrentContractLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The amount of non-current contract liabilities. [Refer: Contract liabilities] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Note Effective 2018-01-01 -Name IFRS -Number 15 -IssueDate 2017-01-01 -Paragraph 105 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=15&date=2017-03-01&anchor=para_105&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_NoncurrentContractLiabilities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The profit (loss) recognised on exchanging construction services for an intangible asset in service concession arrangements. [Refer: Service concession arrangements [member]; Profit (loss)] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name SIC -Number 29 -IssueDate 2017-01-01 -Paragraph 6A -URI http://eifrs.ifrs.org/eifrs/XBRL?type=SIC&num=29&date=2017-03-01&anchor=para_6A&doctype=Standard -URIDate 2017-03-09 + Details
Name: | ifrs-full_ProfitLossRecognisedOnExchangingConstructionServicesForIntangibleAsset2011
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration