Details for Selection
| Standard label: | Proceeds from Sale of Waste Water Systems |
| Name: | us-gaap:ProceedsFromSaleOfWasteWaterSystems |
| Documentation: | The cash inflow from sale of waste water systems which includes the waste treatment and disposal facility and equipment to households and industry. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | For period (duration) |
| Balance type: | Debit |
| Object class: | [Concept] |