| Line | Label | Object Class | Period Type | Balance | Name |
| 1 | Accrual for Environmental Loss Contingencies, Balance Sheet Classification [Hierarchy] | us-gaap:AccrualForEnvironmentalLossContingenciesBalanceSheetClassificationAbstract | |||
| 2 | Accrual for Environmental Loss Contingencies, Caption | [Concept] Text/String | For Period | us-gaap:AccrualForEnvironmentalLossContingenciesCaption |