 | us-gaap:DebtorReorganizationItemsProvisionForExpectedAllowedClaims | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:DebtorReorganizationItemsDischargeOfClaimsAndLiabilities | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:DebtorReorganizationItemsLegalAndAdvisoryProfessionalFees | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:DebtorReorganizationItemsNetGainLossOnRejectionOfLeasesAndOtherExecutoryContracts1 | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:DebtorReorganizationItemsEmployeeRelatedCharges | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:DebtorReorganizationItemsRetireeRelatedCharges | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:DebtorReorganizationItemsPensionAndOtherPostretirementRelatedCharges | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:DebtorReorganizationItemsGainLossOnSettlementOfOtherClaimsNet1 | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:DebtorReorganizationItemsGainLossOnAssetSalesNet1 | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:DebtorReorganizationItemsDebtorInPossessionFacilityFinancingCosts | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:DebtorReorganizationItemsInterestIncomeOnAccumulatedCash1 | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:DebtorReorganizationItemsImpairmentLoss | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:DebtorReorganizationItemsRevaluationOfAssetsAndLiabilities | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:DebtorReorganizationItemsOtherExpenseIncome | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:DebtorReorganizationItemsWriteOffOfDeferredFinancingCostsAndDebtDiscounts | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:NondebtorReorganizationItemsLegalAndAdvisoryProfessionalFees | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |
 | us-gaap:NondebtorReorganizationItemsNetGainLossOnSettlementOfOtherClaims1 | summation-item | http://fasb.org/us-gaap/role/statement/StatementOfFinancialPositionClassifiedSecondAlternative |