XML 140 R131.htm IDEA: XBRL DOCUMENT
v3.24.1.1.u2

Equity (Details Narrative) - BRL (R$) R$ in Thousands |  | 3 Months Ended
--- | --- | ---
Jun. 26, 2023 | Mar. 31, 2024 | Mar. 31, 2023
Disclosure Equity Abstract |  |  |
Paid-in capital value |  | R$ 15,000,000 | R$ 15,000,000
Paid-in capital shares |  | 683,509,869 | 683,509,869
Dividends paid, classified as operating activities |  |  | R$ 836,839
Surplus minimum mandatory |  |  | R$ 147,689
Additional proposed dividends | R$ 984,528 |  |

X
- Definition The cash outflow for dividends paid by the entity, classified as operating activities. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 7 -IssueDate 2023-01-01 -Paragraph 31 -URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=7&code=ifrs-tx-2023-en-r&anchor=para_31&doctype=Standard -URIDate 2023-03-23 + Details
Name: | ifrs-full_DividendsPaidClassifiedAsOperatingActivities
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- References No definition available. + Details
Name: | sbs_AuthorizedCapital
Namespace Prefix: | sbs_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

X
- References No definition available. + Details
Name: | sbs_PaidinCapitalShares
Namespace Prefix: | sbs_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | duration

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

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