Details for Selection
| Standard label: | Preconfirmation, Other Postretirement Obligations |
| Name: | us-gaap:PreconfirmationOtherPostretirementObligations |
| Documentation: | Amount of noncurrent other postretirement obligations at the balance sheet date before fresh-start adjustments. |
| Commentary: | |
| Data type: | Monetary (xbrli:monetaryItemType) |
| Period type: | As of (instant) |
| Balance type: | Credit |
| Object class: | [Concept] |