Network: Environmental Remediation Obligations (http://fasb.org/us-gaap/role/disclosure/EnvironmentalRemediationObligations)

Line Label Object Class Period Type Balance Name
1 Environmental Remediation Obligations [Network]

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 http://fasb.org/us-gaap/role/disclosure/EnvironmentalRemediationObligations
2 Environmental Remediation Obligations [Abstract] [Abstract]

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 us-gaap:EnvironmentalRemediationObligationsAbstract
3 Environmental Loss Contingency Disclosure [Table] [Table]

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 added:EnvironmentalLossContingencyDisclosureTable
4 Legal Entity [Axis] [Axis]

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 dei:LegalEntityAxis
5 Consolidated Entity [Domain] [Domain]

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 dei:EntityDomain
6 Environmental Loss Contingency Disclosure [Line Items] [Line Items]

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 added:EnvironmentalLossContingencyDisclosureLineItems
7 Environmental Loss Contingency Disclosure [Text Block] [Concept] Text Block (HTML) For Period

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 us-gaap:EnvironmentalLossContingencyDisclosureTextBlock
8 Applicability, Impact and Conclusion of Environmental Loss Contingencies [Hierarchy] [Abstract]

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 us-gaap:ApplicabilityImpactAndConclusionOfEnvironmentalLossContingenciesAbstract
9 Applicability and Impact of Environmental Laws [Concept] Text/String For Period

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 us-gaap:ApplicabilityAndImpactOfEnvironmentalLaws
10 Environmental Applicability, Impact and Conclusion Disclosures [Concept] Text/String For Period

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 us-gaap:EnvironmentalApplicabilityImpactAndConclusionDisclosures
11 Accrual for Environmental Loss Contingencies Disclosure [Hierarchy] [Abstract]

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 us-gaap:AccrualForEnvironmentalLossContingenciesDisclosureAbstract
12 Movement in Accrual for Environmental Loss Contingencies Disclosures [Concept] Text/String For Period

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 us-gaap:MovementInAccrualForEnvironmentalLossContingenciesDisclosures
13 Accrual for Environmental Loss Contingencies, Material Changes in Accrual [Concept] Text/String For Period

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 us-gaap:AccrualForEnvironmentalLossContingenciesMaterialChangesInAccrual
14 Accrual for Environmental Loss Contingencies [Roll Forward] [Abstract]

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 us-gaap:AccrualForEnvironmentalLossContingenciesRollForward
15 Accrual for Environmental Loss Contingencies, Beginning Balance [Concept] Monetary As Of Credit us-gaap:AccrualForEnvironmentalLossContingencies
16 Accrual for Environmental Loss Contingencies, Period Increase (Decrease) [Roll Up] [Abstract]

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 added:AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecreaseRollUp
17 Accrual for Environmental Loss Contingencies, Provision for New Losses [Concept] Monetary For Period Credit us-gaap:AccrualForEnvironmentalLossContingenciesProvisionForNewLosses
18 Accrual for Environmental Loss Contingencies, Payments [Concept] Monetary For Period Debit us-gaap:AccrualForEnvironmentalLossContingenciesPayments
19 Accrual for Environmental Loss Contingencies, Increase (Decrease) for Acquisitions and Divestitures [Concept] Monetary For Period Credit us-gaap:AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForAcquisitionsAndDivestitures
20 Accrual for Environmental Loss Contingencies, Increase (Decrease) for Revision in Estimates [Concept] Monetary For Period Debit us-gaap:AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForRevisionInEstimates
21 Accrual for Environmental Loss Contingencies, Increase (Decrease) for Currency Translation [Concept] Monetary For Period Credit us-gaap:AccrualForEnvironmentalLossContingenciesIncreaseDecreaseForCurrencyTranslation
22 Accrual for Environmental Loss Contingencies, Period Increase (Decrease), Total [Concept] Monetary For Period

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 us-gaap:AccrualForEnvironmentalLossContingenciesPeriodIncreaseDecrease
23 Accrual for Environmental Loss Contingencies, Ending Balance [Concept] Monetary As Of Credit us-gaap:AccrualForEnvironmentalLossContingencies
24 Components of Environmental Loss Accrual [Hierarchy] [Abstract]

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 us-gaap:ComponentsOfEnvironmentalLossAccrualAbstract
25 Accrual for Environmental Loss Contingencies, Material Components [Concept] Text/String For Period

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 us-gaap:AccrualForEnvironmentalLossContingenciesMaterialComponents
26 Accrual for Environmental Loss Contingencies, Significant Assumptions [Concept] Text/String For Period

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 us-gaap:AccrualForEnvironmentalLossContingenciesSignificantAssumptions
27 Accrual for Environmental Loss Contingencies, Component Amount [Concept] Monetary As Of Credit us-gaap:AccrualForEnvironmentalLossContingenciesComponentAmount
28 Accrual for Environmental Loss Contingencies, Balance Sheet Classification [Hierarchy] [Abstract]

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 us-gaap:AccrualForEnvironmentalLossContingenciesBalanceSheetClassificationAbstract
29 Accrual for Environmental Loss Contingencies, Caption [Concept] Text/String For Period

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 us-gaap:AccrualForEnvironmentalLossContingenciesCaption
30 Accrual for Environmental Loss Contingencies, Reconciliation of Undiscounted Amount to Recorded Balance [Hierarchy] [Abstract]

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 us-gaap:AccrualForEnvironmentalLossContingenciesReconciliationOfUndiscountedAmountToRecordedBalanceAbstract
31 Accrual for Environmental Loss Contingencies, Discount Rate [Concept] Perdent As Of

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 us-gaap:AccrualForEnvironmentalLossContingenciesDiscountRate
32 Accrual for Environmental Loss Contingencies, Net [Roll Up] [Abstract]

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 us-gaap:AccrualForEnvironmentalLossContingenciesNetAbstract
33 Accrual for Environmental Loss Contingencies, Gross [Roll Up] [Abstract]

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 us-gaap:AccrualForEnvironmentalLossContingenciesGrossAbstract
34 Accrual for Environmental Loss Contingencies, Undiscounted, Due within One Year [Concept] Monetary As Of Credit us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueWithinOneYear
35 Accrual for Environmental Loss Contingencies, Undiscounted, Due in Second Year [Concept] Monetary As Of Credit us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueInSecondYear
36 Accrual for Environmental Loss Contingencies, Undiscounted, Due in Third Year [Concept] Monetary As Of Credit us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueInThirdYear
37 Accrual for Environmental Loss Contingencies, Undiscounted, Due in Fourth Year [Concept] Monetary As Of Credit us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueInFourthYear
38 Accrual for Environmental Loss Contingencies, Undiscounted, Due in Fifth Year [Concept] Monetary As Of Credit us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueInFifthYear
39 Accrual for Environmental Loss Contingencies, Undiscounted, Due after Fifth Year [Concept] Monetary As Of Credit us-gaap:AccrualForEnvironmentalLossContingenciesUndiscountedDueAfterFifthYear
40 Accrual for Environmental Loss Contingencies, Gross, Total [Concept] Monetary As Of Credit us-gaap:AccrualForEnvironmentalLossContingenciesGross
41 Accrual for Environmental Loss Contingencies, Discount [Concept] Monetary As Of Debit us-gaap:AccrualForEnvironmentalLossContingenciesDiscount
42 Accrual for Environmental Loss Contingencies, Net, Total [Concept] Monetary As Of Credit us-gaap:AccrualForEnvironmentalLossContingenciesNet
43 Accrual for Environmental Loss Contingencies [Roll Up] [Abstract]

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 us-gaap:AccrualForEnvironmentalLossContingenciesAbstract
44 Accrued Environmental Loss Contingencies, Current [Concept] Monetary As Of Credit us-gaap:AccruedEnvironmentalLossContingenciesCurrent
45 Accrued Environmental Loss Contingencies, Noncurrent [Concept] Monetary As Of Credit us-gaap:AccruedEnvironmentalLossContingenciesNoncurrent
46 Accrual for Environmental Loss Contingencies, Total [Concept] Monetary As Of Credit us-gaap:AccrualForEnvironmentalLossContingencies
47 Recorded Third-Party Recoveries Related to Environmental Remediation Obligations [Hierarchy] [Abstract]

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 us-gaap:RecordedThirdPartyRecoveriesRelatedToEnvironmentalRemediationObligationsAbstract
48 Recorded Third-Party Environmental Recoveries, Description [Concept] Text/String For Period

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 us-gaap:RecordedThirdPartyEnvironmentalRecoveriesDescription
49 Recorded Third-Party Environmental Recoveries Receivable [Concept] Monetary As Of Debit us-gaap:RecordedThirdPartyEnvironmentalRecoveriesReceivable
50 Recorded Third-Party Environmental Recoveries, Discount Rate [Concept] Perdent As Of

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 us-gaap:RecordedThirdPartyEnvironmentalRecoveriesDiscountRate
51 Material Components of Recorded Third-Party Environmental Recoveries [Hierarchy] [Abstract]

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 us-gaap:MaterialComponentsOfRecordedThirdPartyEnvironmentalRecoveriesAbstract
52 Recorded Third-Party Environmental Recoveries, Components [Concept] Text/String For Period

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 us-gaap:RecordedThirdPartyEnvironmentalRecoveriesComponents
53 Recorded Third-Party Environmental Recoveries, Amount [Concept] Monetary As Of Debit us-gaap:RecordedThirdPartyEnvironmentalRecoveriesAmount
54 Recorded Third-Party Environmental Recoveries, Balance Sheet Classification [Hierarchy] [Abstract]

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 us-gaap:RecordedThirdPartyEnvironmentalRecoveriesBalanceSheetClassificationAbstract
55 Recorded Third-Party Environmental Recoveries, Current [Concept] Monetary As Of Debit us-gaap:RecordedThirdPartyEnvironmentalRecoveriesCurrent
56 Recorded Third-Party Environmental Recoveries, Noncurrent [Concept] Monetary As Of Debit us-gaap:RecordedThirdPartyEnvironmentalRecoveriesNoncurrent
57 Recorded Third-Party Environmental Recoveries, Caption [Concept] Text/String For Period

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 us-gaap:RecordedThirdPartyEnvironmentalRecoveriesCaption
58 Recorded Third-Party Environmental Recoveries, Net [Roll Up] [Abstract]

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 us-gaap:RecordedThirdPartyEnvironmentalRecoveriesNetAbstract
59 Recorded Third-Party Environmental Recoveries, Undiscounted [Concept] Monetary As Of Debit us-gaap:RecordedThirdPartyEnvironmentalRecoveriesUndiscounted
60 Recorded Third-Party Environmental Recoveries, Discount [Concept] Monetary As Of Credit us-gaap:RecordedThirdPartyEnvironmentalRecoveriesDiscount
61 Recorded Third-Party Environmental Recoveries, Net, Total [Concept] Monetary As Of Debit us-gaap:RecordedThirdPartyEnvironmentalRecoveriesNet
62 Environmental Property Sale, Disposal or Abandonment Costs [Hierarchy] [Abstract]

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 us-gaap:EnvironmentalPropertySaleDisposalOrAbandonmentCostsAbstract
63 Environmental Costs of Property for Sale, Disposal or Abandonment Disclosures [Concept] Text/String For Period

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 us-gaap:EnvironmentalCostsOfPropertyForSaleDisposalOrAbandonmentDisclosures
64 Environmental Costs of Property for Sale, Disposal or Abandonment, Anticipated Exit Costs [Concept] Monetary For Period Debit us-gaap:EnvironmentalCostsOfPropertyForSaleDisposalOrAbandonmentAnticipatedExitCosts
65 Environmental Costs of Property for Sale, Disposal or Abandonment, Accrued Exit Costs [Concept] Monetary As Of Credit us-gaap:EnvironmentalCostsOfPropertyForSaleDisposalOrAbandonmentAccruedExitCosts
66 Environmental Costs of Property for Sale, Disposal or Abandonment, Balance Sheet Caption [Concept] Text/String For Period

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 us-gaap:EnvironmentalCostsOfPropertyForSaleDisposalOrAbandonmentBalanceSheetCaption
67 Environmental Remediation Costs Recognized [Hierarchy] [Abstract]

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 us-gaap:EnvironmentalRemediationCostsRecognizedAbstract
68 Environmental Remediation Costs Recognized Disclosure [Concept] Text/String For Period

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 us-gaap:EnvironmentalRemediationCostsRecognizedDisclosure
69 Environmental Cost Recognized [Concept] Text/String For Period

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 us-gaap:EnvironmentalCostRecognized
70 Environmental Remediation Expense [Concept] Monetary For Period Debit us-gaap:EnvironmentalRemediationExpense
71 Environmental Cost Recognized, Recovery Credited to Expense [Concept] Monetary As Of Credit us-gaap:EnvironmentalCostRecognizedRecoveryCreditedToExpense
72 Environmental Cost Recognized, Capitalized in Period [Concept] Monetary As Of Debit us-gaap:EnvironmentalCostRecognizedCapitalizedInPeriod
73 Environmental Cost Recognized, Caption [Concept] Text/String For Period

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 us-gaap:EnvironmentalCostRecognizedCaption
74 Site Contingency [Table] [Table]

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 us-gaap:SiteContingencyTable
75 Legal Entity [Axis] [Axis]

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 dei:LegalEntityAxis
76 Consolidated Entity [Domain] [Domain]

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 dei:EntityDomain
77 Site Contingency Nature [Axis] [Axis]

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 us-gaap:SiteContingencyByNatureAxis
78 Site Contingency, Nature of Contingency [Domain] [Domain]

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 us-gaap:SiteContingencyNatureOfContingencyDomain
79 Site Contingency [Line Items] [Line Items]

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 us-gaap:SiteContingencyLineItems
80 Schedule of Environmental Loss Contingencies by Site [Table Text Block] [Concept] Text Block (HTML) For Period

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 us-gaap:ScheduleOfEnvironmentalLossContingenciesBySiteTextBlock
81 Site Contingency [Hierarchy] [Abstract]

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 added:SiteContingencyHierarchy
82 Site Contingency, Name of Site [Concept] Text/String For Period

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 us-gaap:SiteContingencyNameOfSite
83 Site Contingency, Sold Status [Concept] Text/String For Period

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 us-gaap:SiteContingencySoldStatus
84 Site Contingency, Management Assessment Process [Concept] Text/String For Period

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 us-gaap:SiteContingencyManagementAssessmentProcess
85 Site Contingency, Accrual, Assumptions [Concept] Text/String For Period

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 us-gaap:SiteContingencyAccrualAssumptions
86 Site Contingency, Circumstances Impacting Precision of Estimate [Concept] Text/String For Period

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 us-gaap:SiteContingencyCircumstancesImpactingPrecisionOfEstimate
87 Site Contingency, Factors Changing Estimate [Concept] Text/String For Period

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 us-gaap:SiteContingencyFactorsChangingEstimate
88 Site Contingency, Loss Inestimable Explanation [Concept] Text/String For Period

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 us-gaap:SiteContingencyLossInestimableExplanation
89 Site Contingency, Accrual, Undiscounted Amount [Concept] Monetary As Of Credit us-gaap:SiteContingencyAccrualUndiscountedAmount
90 Site Contingency, Accrual, Discount Rate [Concept] Perdent As Of

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 us-gaap:SiteContingencyAccrualDiscountRate
91 Site Contingency, Accrual, Discount Amount [Concept] Monetary As Of Debit us-gaap:SiteContingencyAccrualDiscountAmount
92 Site Contingency, Accrual, Present Value [Concept] Monetary As Of Credit us-gaap:SiteContingencyAccrualPresentValue
93 Site Contingency, Accrual, Caption [Concept] Text/String For Period

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 us-gaap:SiteContingencyAccrualCaption
94 Site Contingency, Indication Accrual May Change [Concept] Text/String For Period

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 us-gaap:SiteContingencyIndicationAccrualMayChange
95 Site Contingency, Loss Exposure Not Accrued, Description [Concept] Text/String For Period

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 us-gaap:SiteContingencyLossExposureNotAccruedDescription
96 Site Contingency, Loss Exposure Not Accrued, Best Estimate [Concept] Monetary For Period Debit us-gaap:SiteContingencyLossExposureNotAccruedBestEstimate
97 Site Contingency, Loss Exposure Not Accrued, Low Estimate [Concept] Monetary For Period Debit us-gaap:SiteContingencyLossExposureNotAccruedLowEstimate
98 Site Contingency, Loss Exposure Not Accrued, High Estimate [Concept] Monetary For Period Debit us-gaap:SiteContingencyLossExposureNotAccruedHighEstimate
99 Site Contingency, Loss Exposure Not Accrued, Third Party Recovery Commentary [Concept] Text/String For Period

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 us-gaap:SiteContingencyLossExposureNotAccruedThirdPartyRecoveryCommentary
100 Site Contingency, Loss Exposure in Excess of Accrual, Description [Concept] Text/String For Period

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 us-gaap:SiteContingencyLossExposureInExcessOfAccrualDescription
101 Site Contingency, Loss Exposure in Excess of Accrual, Best Estimate [Concept] Monetary For Period Debit us-gaap:SiteContingencyLossExposureInExcessOfAccrualBestEstimate
102 Site Contingency, Loss Exposure in Excess of Accrual, Low Estimate [Concept] Monetary For Period Debit us-gaap:SiteContingencyLossExposureInExcessOfAccrualLowEstimate
103 Site Contingency, Loss Exposure in Excess of Accrual, High Estimate [Concept] Monetary For Period Debit us-gaap:SiteContingencyLossExposureInExcessOfAccrualHighEstimate
104 Site Contingency, Unasserted Claims [Concept] Text/String For Period

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 us-gaap:SiteContingencyUnassertedClaims
105 Site Contingency, Uncertainties from Joint and Several Liability [Concept] Text/String For Period

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 us-gaap:SiteContingencyUncertaintiesFromJointAndSeveralLiability
106 Site Contingency, Uncertainties from Insurance [Concept] Text/String For Period

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 us-gaap:SiteContingencyUncertaintiesFromInsurance
107 Site Contingency, Time Frame of Disbursements [Concept] Text/String For Period

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 us-gaap:SiteContingencyTimeFrameOfDisbursements
108 Site Contingency, Time Frame for Recognized Probable Recoveries [Concept] Text/String For Period

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 us-gaap:SiteContingencyTimeFrameForRecognizedProbableRecoveries
109 Site Contingency, Names of Other Potentially Responsible Parties [Concept] Text/String For Period

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 us-gaap:SiteContingencyNamesOfOtherPotentiallyResponsibleParties
110 Site Contingency, Nature and Terms of Cost Sharing Relationships [Concept] Text/String For Period

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 us-gaap:SiteContingencyNatureAndTermsOfCostSharingRelationships
111 Site Contingency, Status of Regulatory Proceedings [Concept] Text/String For Period

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 us-gaap:SiteContingencyStatusOfRegulatoryProceedings
112 Site Contingency, Estimated Time Frame to Resolve Contingency [Concept] Text/String For Period

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 us-gaap:SiteContingencyEstimatedTimeFrameToResolveContingency
113 Site Contingency, Environmental Remediation Costs Recognized [Concept] Text/String For Period

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 us-gaap:SiteContingencyEnvironmentalRemediationCostsRecognized
114 Site Contingency, Recovery from Third Party of Environmental Remediation Cost [Concept] Monetary For Period Credit us-gaap:SiteContingencyRecoveryFromThirdPartyOfEnvironmentalRemediationCost
115 Schedule of Environmental Exit Cost [Table] [Table]

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 us-gaap:ScheduleOfEnvironmentalExitCostTable
116 Legal Entity [Axis] [Axis]

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 dei:LegalEntityAxis
117 Consolidated Entity [Domain] [Domain]

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 dei:EntityDomain
118 Environmental Exit Cost Property [Axis] [Axis]

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 us-gaap:EnvironmentalExitCostByPropertyAxis
119 Environmental Exit Costs, Name of Property [Domain] [Domain]

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 us-gaap:EnvironmentalExitCostsNameOfPropertyDomain
120 Environmental Exit Cost [Line Items] [Line Items]

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 us-gaap:EnvironmentalExitCostLineItems
121 Environmental Exit Costs by Cost [Table Text Block] [Concept] Text Block (HTML) For Period

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 us-gaap:EnvironmentalExitCostsByCostTextBlock
122 Environmental Exit Cost [Hierarchy] [Abstract]

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 added:EnvironmentalExitCostHierarchy
123 Environmental Exit Costs, Nature of Costs [Concept] Text/String For Period

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 us-gaap:EnvironmentalExitCostsNatureOfCosts
124 Environmental Exit Costs, Anticipated Cost [Concept] Monetary For Period Debit us-gaap:EnvironmentalExitCostsAnticipatedCost
125 Environmental Exit Costs, Costs Accrued to Date [Concept] Monetary As Of Credit us-gaap:EnvironmentalExitCostsCostsAccruedToDate
126 Environmental Exit Costs, Reasonably Possible Additional Losses [Concept] Text/String For Period

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 us-gaap:EnvironmentalExitCostsReasonablyPossibleAdditionalLosses
127 Environmental Exit Costs, Reasonably Possible Additional Losses, Best Estimate [Concept] Monetary For Period Debit us-gaap:EnvironmentalExitCostsReasonablyPossibleAdditionalLossesBestEstimate
128 Environmental Exit Costs, Reasonably Possible Additional Losses, Low Estimate [Concept] Monetary For Period Debit us-gaap:EnvironmentalExitCostsReasonablyPossibleAdditionalLossesLowEstimate
129 Environmental Exit Costs, Reasonably Possible Additional Losses, High Estimate [Concept] Monetary For Period Debit us-gaap:EnvironmentalExitCostsReasonablyPossibleAdditionalLossesHighEstimate
130 Environmental Exit Costs, Impairment Assessment [Concept] Text/String For Period

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 us-gaap:EnvironmentalExitCostsImpairmentAssessment
131 Environmental Exit Costs, Assets Previously Disposed, Liability for Remediation [Concept] Monetary As Of Credit us-gaap:EnvironmentalExitCostsAssetsPreviouslyDisposedLiabilityForRemediation