IndexLiability Subject to Compromise, Pension and Other Postretirement Benefit Plan, Benefit Obligation
| Name | LiabilitiesSubjectToCompromisePensionAndOtherPostretirementObligations |
|---|---|
| Namespace | http://fasb.org/us-gaap/2020-01-31 |
| Prefix | us-gaap |
| Data type | xbrli:monetaryItemType |
| Period type | instant |
| Substitution Group | xbrli:item |
| Balance | credit |
| Nillable | True |
| Abstract | False |
Labels
| Text | Lang | Role | Container role |
|---|---|---|---|
| Liability Subject to Compromise, Pension and Other Postretirement Benefit Plan, Benefit Obligation | en-US | http://www.xbrl.org/2003/role/label | http://www.xbrl.org/2003/role/link |
Related Parent Concepts
| Name | Relation Type | Role | |
|---|---|---|---|
 | us-gaap:LiabilitiesSubjectToCompromise | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
| us-gaap:LiabilitiesSubjectToCompromiseAbstract | parent-child | http://fasb.org/us-gaap/role/disclosure/Reorganizations |