XML 61 R50.htm IDEA: XBRL DOCUMENT
v3.19.1

14. Contract asset (Tables) | 12 Months Ended
--- | ---
Dec. 31, 2018
Contract Asset Tables Abstract |
Contract asset |
| January 1, 2018 | Additions | Contract renewal | Transfers of Works (*) | December 31, 2018
Contract asset arising from: |  |  |  |  |
Agreements – equity value | 1,303,552 | 367,199 | (284,856) | (475,481) | 910,414
Agreements – economic value | 233,361 | 111,703 | - | (96,676) | 248,388
Program contracts | 1,809,257 | 806,554 | 284,856 | (676,695) | 2,223,972
Services contracts – São Paulo | 6,733,732 | 1,788,210 | - | (4,867,158) | 3,654,784
Software license | 533 | 52,183 | - | (52,700) | 16
Inventories | 298,340 | 63,075 | - | - | 361,415
Advance to suppliers | 8,940 | 19 | - | - | 8,959
Total | 10,387,715 | 3,188,943 | - | (6,168,710) | 7,407,948
(*) Work in progress transferred from contract asset to intangible asset.

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

X
- References No definition available. + Details
Name: | SBS_SummaryOfContractAssetsTableTextBlock
Namespace Prefix: | SBS_
Data Type: | nonnum:textBlockItemType
Balance Type: | na
Period Type: | duration