Details for Selection
| Standard label: | Regulatory Environmental Costs, Policy [Policy Text Block] |
| Name: | us-gaap:RegulatoryEnvironmentalCostsPolicy |
| Documentation: | Disclosure of accounting policy for liabilities for remediation of environmental matters. The accounting policy may specify the conditions under which rate actions of a regulator provide reasonable assurance of the existence of an asset pertaining thereto. |
| Commentary: | |
| Data type: | Text Block (HTML) (nonnum:textBlockItemType) |
| Period type: | For period (duration) |
| Balance type: | |
| Object class: | [Text Block] |