| | | | | | | | | | | | | | | | | | | | | |
<?xml version="1.0" encoding="windows-1252"?> |
<FilingSummary xmlns:xsd="http://www.w3.org/2001/XMLSchema" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"> |
| <Version> 2.4.1.9 </Version> |
| <ProcessingTime/> |
| <ReportFormat> Html </ReportFormat> |
| <ContextCount> 168 </ContextCount> |
| <ElementCount> 210 </ElementCount> |
| <EntityCount> 1 </EntityCount> |
| <FootnotesReported> true </FootnotesReported> |
| <SegmentCount> 50 </SegmentCount> |
| <ScenarioCount> 0 </ScenarioCount> |
| <TuplesReported> false </TuplesReported> |
| <UnitCount> 6 </UnitCount> |
| <MyReports> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R1.htm </HtmlFileName> |
| | | <LongName> 0001000 - Document - Document and Entity Information Document </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/DocumentAndEntityInformationDocument </Role> |
| | | <ShortName> Document and Entity Information Document </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> true </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R2.htm </HtmlFileName> |
| | | <LongName> 1001000 - Statement - Condensed Consolidated Balance Sheets </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/CondensedConsolidatedBalanceSheets </Role> |
| | | <ShortName> Condensed Consolidated Balance Sheets </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R3.htm </HtmlFileName> |
| | | <LongName> 1001501 - Statement - Condensed Consolidated Balance Sheets (Parentheticals) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/CondensedConsolidatedBalanceSheetsParentheticals </Role> |
| | | <ShortName> Condensed Consolidated Balance Sheets (Parentheticals) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R4.htm </HtmlFileName> |
| | | <LongName> 1002000 - Statement - Condensed Consolidated Statements of Operations </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/CondensedConsolidatedStatementsOfOperations </Role> |
| | | <ShortName> Condensed Consolidated Statements of Operations </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R5.htm </HtmlFileName> |
| | | <LongName> 1003000 - Statement - Condensed Consolidated Statements of Comprehensive Income </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/CondensedConsolidatedStatementsOfComprehensiveIncome </Role> |
| | | <ShortName> Condensed Consolidated Statements of Comprehensive Income </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R6.htm </HtmlFileName> |
| | | <LongName> 1004000 - Statement - Condensed Consolidated Statements of Cash Flows </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/CondensedConsolidatedStatementsOfCashFlows </Role> |
| | | <ShortName> Condensed Consolidated Statements of Cash Flows </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R7.htm </HtmlFileName> |
| | | <LongName> 1005000 - Statement - Condensed Consolidated Statement of Equity (Deficit) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/CondensedConsolidatedStatementOfEquityDeficit </Role> |
| | | <ShortName> Condensed Consolidated Statement of Equity (Deficit) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R8.htm </HtmlFileName> |
| | | <LongName> 2101100 - Disclosure - Background and Basis of Presentation </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/BackgroundAndBasisOfPresentation </Role> |
| | | <ShortName> Background and Basis of Presentation </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R9.htm </HtmlFileName> |
| | | <LongName> 2104100 - Disclosure - Significant Accounting Policies </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/SignificantAccountingPolicies </Role> |
| | | <ShortName> Significant Accounting Policies </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R10.htm </HtmlFileName> |
| | | <LongName> 2113100 - Disclosure - Restructuring (Notes) </LongName> |
| | | <ReportType> Notes </ReportType> |
| | | <Role> http://www.momentive.com/role/RestructuringNotes </Role> |
| | | <ShortName> Restructuring (Notes) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R11.htm </HtmlFileName> |
| | | <LongName> 2116100 - Disclosure - Related Party Transactions </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/RelatedPartyTransactions </Role> |
| | | <ShortName> Related Party Transactions </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R12.htm </HtmlFileName> |
| | | <LongName> 2122100 - Disclosure - Fair Value </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/FairValue </Role> |
| | | <ShortName> Fair Value </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R13.htm </HtmlFileName> |
| | | <LongName> 2125100 - Disclosure - Debt Obligations </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/DebtObligations </Role> |
| | | <ShortName> Debt Obligations </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R14.htm </HtmlFileName> |
| | | <LongName> 2128100 - Disclosure - Commitments and Contingencies </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/CommitmentsAndContingencies </Role> |
| | | <ShortName> Commitments and Contingencies </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R15.htm </HtmlFileName> |
| | | <LongName> 2134100 - Disclosure - Pension and Postretirement Expense </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/PensionAndPostretirementExpense </Role> |
| | | <ShortName> Pension and Postretirement Expense </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R16.htm </HtmlFileName> |
| | | <LongName> 2135100 - Disclosure - Segment Information </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/SegmentInformation </Role> |
| | | <ShortName> Segment Information </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R17.htm </HtmlFileName> |
| | | <LongName> 2137100 - Disclosure - Summarized Financial Information of Unconsolidated Affiliate </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/SummarizedFinancialInformationOfUnconsolidatedAffiliate </Role> |
| | | <ShortName> Summarized Financial Information of Unconsolidated Affiliate </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R18.htm </HtmlFileName> |
| | | <LongName> 2139100 - Disclosure - Changes in Accumulated Other Comprehensive Income Level 1 (Notes) </LongName> |
| | | <ReportType> Notes </ReportType> |
| | | <Role> http://www.momentive.com/role/ChangesInAccumulatedOtherComprehensiveIncomeLevel1Notes </Role> |
| | | <ShortName> Changes in Accumulated Other Comprehensive Income Level 1 (Notes) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R19.htm </HtmlFileName> |
| | | <LongName> 2141100 - Disclosure - Income Taxes (Notes) </LongName> |
| | | <ReportType> Notes </ReportType> |
| | | <Role> http://www.momentive.com/role/IncomeTaxesNotes </Role> |
| | | <ShortName> Income Taxes (Notes) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R20.htm </HtmlFileName> |
| | | <LongName> 2142100 - Disclosure - Guarantor Non-Guarantor Subsidiary Financial Information </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/GuarantorNonGuarantorSubsidiaryFinancialInformation </Role> |
| | | <ShortName> Guarantor Non-Guarantor Subsidiary Financial Information </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R21.htm </HtmlFileName> |
| | | <LongName> 2204201 - Disclosure - Significant Accounting Policies Level 2 (Policies) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/SignificantAccountingPoliciesLevel2Policies </Role> |
| | | <ShortName> Significant Accounting Policies Level 2 (Policies) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R22.htm </HtmlFileName> |
| | | <LongName> 2304302 - Disclosure - Significant Accounting Policies Level 3 (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/SignificantAccountingPoliciesLevel3Tables </Role> |
| | | <ShortName> Significant Accounting Policies Level 3 (Tables) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R23.htm </HtmlFileName> |
| | | <LongName> 2313301 - Disclosure - Restructuring (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/RestructuringTables </Role> |
| | | <ShortName> Restructuring (Tables) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R24.htm </HtmlFileName> |
| | | <LongName> 2322301 - Disclosure - Fair Value Level 3 (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/FairValueLevel3Tables </Role> |
| | | <ShortName> Fair Value Level 3 (Tables) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R25.htm </HtmlFileName> |
| | | <LongName> 2325301 - Disclosure - Debt Obligations Level 3 (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/DebtObligationsLevel3Tables </Role> |
| | | <ShortName> Debt Obligations Level 3 (Tables) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R26.htm </HtmlFileName> |
| | | <LongName> 2328301 - Disclosure - Commitments and Contingencies Level 3 (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/CommitmentsAndContingenciesLevel3Tables </Role> |
| | | <ShortName> Commitments and Contingencies Level 3 (Tables) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R27.htm </HtmlFileName> |
| | | <LongName> 2334301 - Disclosure - Pension and Postretirement Expense Level 3 (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/PensionAndPostretirementExpenseLevel3Tables </Role> |
| | | <ShortName> Pension and Postretirement Expense Level 3 (Tables) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R28.htm </HtmlFileName> |
| | | <LongName> 2335301 - Disclosure - Segment Information Level 3 (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/SegmentInformationLevel3Tables </Role> |
| | | <ShortName> Segment Information Level 3 (Tables) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R29.htm </HtmlFileName> |
| | | <LongName> 2337301 - Disclosure - Summarized Financial Information of Unconsolidated Affiliate Level 3 (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/SummarizedFinancialInformationOfUnconsolidatedAffiliateLevel3Tables </Role> |
| | | <ShortName> Summarized Financial Information of Unconsolidated Affiliate Level 3 (Tables) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R30.htm </HtmlFileName> |
| | | <LongName> 2342301 - Disclosure - Guarantor Non-Guarantor Subsidiary Financial Information Level 3 (Tables) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/GuarantorNonGuarantorSubsidiaryFinancialInformationLevel3Tables </Role> |
| | | <ShortName> Guarantor Non-Guarantor Subsidiary Financial Information Level 3 (Tables) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R31.htm </HtmlFileName> |
| | | <LongName> 2401402 - Disclosure - Background and Basis of Presentation Level 4 (Details) - Number of Reportable Segments </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/BackgroundAndBasisOfPresentationLevel4DetailsNumberOfReportableSegments </Role> |
| | | <ShortName> Background and Basis of Presentation Level 4 (Details) - Number of Reportable Segments </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R32.htm </HtmlFileName> |
| | | <LongName> 2404403 - Disclosure - Significant Accounting Policies Level 4 (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/SignificantAccountingPoliciesLevel4Details </Role> |
| | | <ShortName> Significant Accounting Policies Level 4 (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R33.htm </HtmlFileName> |
| | | <LongName> 2413402 - Disclosure - Restructuring (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/RestructuringDetails </Role> |
| | | <ShortName> Restructuring (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R34.htm </HtmlFileName> |
| | | <LongName> 2416401 - Disclosure - Related Party Transactions Level 4 (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/RelatedPartyTransactionsLevel4Details </Role> |
| | | <ShortName> Related Party Transactions Level 4 (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R35.htm </HtmlFileName> |
| | | <LongName> 2422402 - Disclosure - Fair Value Level 4 (Details) - Fair Value Hierarchy </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/FairValueLevel4DetailsFairValueHierarchy </Role> |
| | | <ShortName> Fair Value Level 4 (Details) - Fair Value Hierarchy </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R36.htm </HtmlFileName> |
| | | <LongName> 2422404 - Disclosure - Fair Value Level 4 (Details) - Fair Value of Debt </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/FairValueLevel4DetailsFairValueOfDebt </Role> |
| | | <ShortName> Fair Value Level 4 (Details) - Fair Value of Debt </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R37.htm </HtmlFileName> |
| | | <LongName> 2425402 - Disclosure - Debt Obligations Level 4 (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/DebtObligationsLevel4Details </Role> |
| | | <ShortName> Debt Obligations Level 4 (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R38.htm </HtmlFileName> |
| | | <LongName> 2428402 - Disclosure - Commitments and Contingencies Level 4 (Details) - Environmental Liabilities </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/CommitmentsAndContingenciesLevel4DetailsEnvironmentalLiabilities </Role> |
| | | <ShortName> Commitments and Contingencies Level 4 (Details) - Environmental Liabilities </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R39.htm </HtmlFileName> |
| | | <LongName> 2428403 - Disclosure - Commitments and Contingencies Level 4 (Details) - Non-Environmental Liabilities </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/CommitmentsAndContingenciesLevel4DetailsNonEnvironmentalLiabilities </Role> |
| | | <ShortName> Commitments and Contingencies Level 4 (Details) - Non-Environmental Liabilities </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R40.htm </HtmlFileName> |
| | | <LongName> 2434402 - Disclosure - Pension and Postretirement Expense Level 4 (Details) - Components of net pension and postretirement expense benefit </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/PensionAndPostretirementExpenseLevel4DetailsComponentsOfNetPensionAndPostretirementExpenseBenefit </Role> |
| | | <ShortName> Pension and Postretirement Expense Level 4 (Details) - Components of net pension and postretirement expense benefit </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R41.htm </HtmlFileName> |
| | | <LongName> 2435402 - Disclosure - Segment Information Level 4 (Details) - Revenues by Segment </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/SegmentInformationLevel4DetailsRevenuesBySegment </Role> |
| | | <ShortName> Segment Information Level 4 (Details) - Revenues by Segment </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R42.htm </HtmlFileName> |
| | | <LongName> 2435403 - Disclosure - Segment Information Level 4 (Details) - EBITDA by Segment </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/SegmentInformationLevel4DetailsEbitdaBySegment </Role> |
| | | <ShortName> Segment Information Level 4 (Details) - EBITDA by Segment </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R43.htm </HtmlFileName> |
| | | <LongName> 2435404 - Disclosure - Segment Information Level 4 (Details) - Reconciliation of Segment EBITDA to Net Income </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/SegmentInformationLevel4DetailsReconciliationOfSegmentEbitdaToNetIncome </Role> |
| | | <ShortName> Segment Information Level 4 (Details) - Reconciliation of Segment EBITDA to Net Income </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R44.htm </HtmlFileName> |
| | | <LongName> 2437402 - Disclosure - Summarized Financial Information of Unconsolidated Affiliate Level 4 (Details) - HAI Balance Sheets </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/SummarizedFinancialInformationOfUnconsolidatedAffiliateLevel4DetailsHaiBalanceSheets </Role> |
| | | <ShortName> Summarized Financial Information of Unconsolidated Affiliate Level 4 (Details) - HAI Balance Sheets </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R45.htm </HtmlFileName> |
| | | <LongName> 2437403 - Disclosure - Summarized Financial Information of Unconsolidated Affiliate Level 4 (Details) - HAI Results of Operation </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/SummarizedFinancialInformationOfUnconsolidatedAffiliateLevel4DetailsHaiResultsOfOperation </Role> |
| | | <ShortName> Summarized Financial Information of Unconsolidated Affiliate Level 4 (Details) - HAI Results of Operation </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R46.htm </HtmlFileName> |
| | | <LongName> 2439402 - Disclosure - Changes in Accumulated Other Comprehensive Income Level 4 (Details) - Summary of Changes in Accumulated Other Comprehensive Income </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/ChangesInAccumulatedOtherComprehensiveIncomeLevel4DetailsSummaryOfChangesInAccumulatedOtherComprehensiveIncome </Role> |
| | | <ShortName> Changes in Accumulated Other Comprehensive Income Level 4 (Details) - Summary of Changes in Accumulated Other Comprehensive Income </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R47.htm </HtmlFileName> |
| | | <LongName> 2441402 - Disclosure - Income Taxes (Details) </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/IncomeTaxesDetails </Role> |
| | | <ShortName> Income Taxes (Details) </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R48.htm </HtmlFileName> |
| | | <LongName> 2442402 - Disclosure - Guarantor Non-Guarantor Subsidiary Financial Information Level 4 (Details) - Additional Information </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/GuarantorNonGuarantorSubsidiaryFinancialInformationLevel4DetailsAdditionalInformation </Role> |
| | | <ShortName> Guarantor Non-Guarantor Subsidiary Financial Information Level 4 (Details) - Additional Information </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R49.htm </HtmlFileName> |
| | | <LongName> 2442403 - Disclosure - Guarantor Non-Guarantor Subsidiary Financial Information Level 4 (Details) - Consolidating Balance Sheets </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/GuarantorNonGuarantorSubsidiaryFinancialInformationLevel4DetailsConsolidatingBalanceSheets </Role> |
| | | <ShortName> Guarantor Non-Guarantor Subsidiary Financial Information Level 4 (Details) - Consolidating Balance Sheets </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R50.htm </HtmlFileName> |
| | | <LongName> 2442404 - Disclosure - Guarantor Non-Guarantor Subsidiary Financial Information Level 4 (Details) - Consolidating Statement of Operations </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/GuarantorNonGuarantorSubsidiaryFinancialInformationLevel4DetailsConsolidatingStatementOfOperations </Role> |
| | | <ShortName> Guarantor Non-Guarantor Subsidiary Financial Information Level 4 (Details) - Consolidating Statement of Operations </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <HtmlFileName> R51.htm </HtmlFileName> |
| | | <LongName> 2442405 - Disclosure - Guarantor Non-Guarantor Subsidiary Financial Information Level 4 (Details) - Consolidating Statement of Cash Flows </LongName> |
| | | <ReportType> Sheet </ReportType> |
| | | <Role> http://www.momentive.com/role/GuarantorNonGuarantorSubsidiaryFinancialInformationLevel4DetailsConsolidatingStatementOfCashFlows </Role> |
| | | <ShortName> Guarantor Non-Guarantor Subsidiary Financial Information Level 4 (Details) - Consolidating Statement of Cash Flows </ShortName> |
| | | </Report> |
| | <Report> |
| | | <IsDefault> false </IsDefault> |
| | | <HasEmbeddedReports> false </HasEmbeddedReports> |
| | | <LongName> All Reports </LongName> |
| | | <ReportType> Book </ReportType> |
| | | <ShortName> All Reports </ShortName> |
| | | </Report> |
| | </MyReports> |
| <Logs> |
| | <Log type="Info"> Process Flow-Through: 1001000 - Statement - Condensed Consolidated Balance Sheets </Log> |
| | <Log type="Info"> Process Flow-Through: Removing column 'Mar. 31, 2014' </Log> |
| | <Log type="Info"> Process Flow-Through: Removing column 'Dec. 31, 2013' </Log> |
| | <Log type="Info"> Process Flow-Through: 1001501 - Statement - Condensed Consolidated Balance Sheets (Parentheticals) </Log> |
| | <Log type="Info"> Process Flow-Through: 1002000 - Statement - Condensed Consolidated Statements of Operations </Log> |
| | <Log type="Info"> Process Flow-Through: 1003000 - Statement - Condensed Consolidated Statements of Comprehensive Income </Log> |
| | <Log type="Info"> Process Flow-Through: 1004000 - Statement - Condensed Consolidated Statements of Cash Flows </Log> |
| | </Logs> |
| <InputFiles> |
| | <File> msc-20150331.xml </File> |
| | <File> msc-20150331.xsd </File> |
| | <File> msc-20150331_cal.xml </File> |
| | <File> msc-20150331_def.xml </File> |
| | <File> msc-20150331_lab.xml </File> |
| | <File> msc-20150331_pre.xml </File> |
| | </InputFiles> |
| <SupplementalFiles/> |
| <BaseTaxonomies/> |
| <HasPresentationLinkbase> true </HasPresentationLinkbase> |
| <HasCalculationLinkbase> true </HasCalculationLinkbase> |
| </FilingSummary> |