Details for Selection
| Standard label: | Accrual for Environmental Loss Contingencies, Material Changes in Accrual |
| Name: | us-gaap:AccrualForEnvironmentalLossContingenciesMaterialChangesInAccrual |
| Documentation: | Explanation of material changes in the expected aggregate amount of the environmental loss contingencies obligation since the prior balance sheet date, other than those resulting from the pay-down of the obligation. |
| Commentary: | |
| Data type: | Text/String (xbrli:stringItemType) |
| Period type: | For period (duration) |
| Balance type: | |
| Object class: | [Concept] |