Details for Selection
| Standard label: | Recorded Third-Party Environmental Recoveries, Discount | 
| Name: | us-gaap:RecordedThirdPartyEnvironmentalRecoveriesDiscount | 
| Documentation: | The amount of imputed interest necessary to reduce the expected aggregate undiscounted amount of the asset for third-party recoveries related to environmental remediation obligations to the present value recognized on the balance sheet (if the receivable is discounted). | 
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) | 
| Period type: | As of (instant) | 
| Balance type: | Credit | 
| Object class: | [Concept] |