XML 145 R69.htm IDEA: XBRL DOCUMENT
v3.25.1

Earnings per share (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2024
Notes and other explanatory information [abstract] |
Schedule of earnings per share, basic and diluted |
Schedule of earnings per share, basic and diluted |  |  |
| 2024 | 2023 | 2022
Earnings attributable to Company’s owners | 9,579,563 | 3,523,531 | 3,121,267
Weighted average number of common shares issued | 683,509,869 | 683,509,869 | 683,509,869
Basic and diluted earnings per share (reais per share) | 14.02 | 5.16 | 4.57

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

X
- References No definition available. + Details
Name: | sbs_SummaryOfEarningsPerShareBasicAndDilutedTableTextBlock
Namespace Prefix: | sbs_
Data Type: | dtr-types:textBlockItemType
Balance Type: | na
Period Type: | duration