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| Environmental Loss Contingencies Accrual, Reconciliation of Undiscounted Amount to Recorded Balance [Hierarchy] |
| AccrualForEnvironmentalLossContingenciesReconciliationOfUndiscountedAmountToRecordedBalanceHierarchy |
| Contingencies |
| Disclosure of information about reconcilation of undiscounted amounts of environmental loss contingencies accrual to recorded balance. |
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| NO TEXT BLOCK |
| NOT AVAILABLE, NO TEXT BLOCK |
| List of machine readable examples (prototype) |
| http://fasb.org/us-gaap/role/disclosure/EnvironmentalRemediationObligations | XML | HTML |