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DISCONTINUED OPERATIONS (Details) (USD $) In Millions, unless otherwise specified | 1 Months Ended | 3 Months Ended | 12 Months Ended | 0 Months Ended
--- | --- | --- | --- | ---
Dec. 31, 2013 | Dec. 31, 2014 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012 | Sep. 30, 2014
Selected financial information for the discontinued operations |  |  |  |  |  |  |
Discontinued operation transaction cost |  | $ 6 mas_DisposalGroupIncludingDiscontinuedOperationTransactionCost |  |  |  |  |
Net proceeds from disposition of discontinued businesses | 17 mas_NetProceedsFromSaleOfDiscontinuedOperations |  |  |  |  |  |
Net sales |  |  |  |  | 265 us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue | 321 us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue |
Operating loss from discontinued operations |  |  |  |  | (7)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax | (44)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationDuringPhaseOutPeriodBeforeIncomeTax |
Impairment of assets held for sale |  |  | (10)us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax |  | (10)us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax | (3)us-gaap_DiscontinuedOperationProvisionForLossGainOnDisposalBeforeIncomeTax |
(Loss) gain on disposal of discontinued operations, net |  |  |  | (6)us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax | 3 us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax | (6)us-gaap_DiscontinuedOperationGainLossFromDisposalOfDiscontinuedOperationBeforeIncomeTax |
Loss before income tax |  |  |  | (6)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax | (14)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax | (53)us-gaap_DiscontinuedOperationIncomeLossFromDiscontinuedOperationBeforeIncomeTax |
Income tax (benefit) expense |  |  |  | (1)us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation | (4)us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation | 8 us-gaap_DiscontinuedOperationTaxEffectOfDiscontinuedOperation |
Loss from discontinued operations, net |  |  |  | (5)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | (10)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity | (61)us-gaap_IncomeLossFromDiscontinuedOperationsNetOfTaxAttributableToReportingEntity |
Currency translation expense related to sale of the ready-to-assemble cabinet business |  |  |  |  | $ 18 mas_CurrencyTranslationExpenseRelatedToSaleOfBusiness |  |
Spinoff of Installation and Other Services |  |  |  |  |  |  |
Selected financial information for the discontinued operations |  |  |  |  |  |  |
Percentage of businesses planned for spinoff |  |  |  |  |  |  | 100.00%mas_PercentageInstallationAndOtherServicesBusinessPlannedForSpinoff / dei_LegalEntityAxis = us-gaap_SpinoffMember

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