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SEGMENT INFORMATION (Details 2) (USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Dec. 31, 2014 | Sep. 30, 2014 | Jun. 30, 2014 | Mar. 31, 2014 | Dec. 31, 2013 | Sep. 30, 2013 | Jun. 30, 2013 | Mar. 31, 2013 | Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Segment Information |  |  |  |  |  |  |  |  |  |  |
Export sales from U.S. included in net sales |  |  |  |  |  |  |  |  | $ 228 mas_ExportSaleFromDomesticCountry | $ 227 mas_ExportSaleFromDomesticCountry | $ 229 mas_ExportSaleFromDomesticCountry
Intra-company sales between segments in percentage |  |  |  |  |  |  |  |  | 2.00%mas_IntraCompanySalesBetweenSegmentsInPercentage | 2.00%mas_IntraCompanySalesBetweenSegmentsInPercentage | 2.00%mas_IntraCompanySalesBetweenSegmentsInPercentage
Net sales | 2,064 us-gaap_SalesRevenueNet | 2,232 us-gaap_SalesRevenueNet | 2,260 us-gaap_SalesRevenueNet | 1,965 us-gaap_SalesRevenueNet | 1,998 us-gaap_SalesRevenueNet | 2,150 us-gaap_SalesRevenueNet | 2,149 us-gaap_SalesRevenueNet | 1,876 us-gaap_SalesRevenueNet | 8,521 us-gaap_SalesRevenueNet | 8,173 us-gaap_SalesRevenueNet | 7,495 us-gaap_SalesRevenueNet
Impairment charge for other intangible assets |  |  |  |  |  |  |  |  | 1 us-gaap_GoodwillAndIntangibleAssetImpairment |  | 42 us-gaap_GoodwillAndIntangibleAssetImpairment
US |  |  |  |  |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |  |  |  |  |
Long-lived assets | 2,611 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_US |  |  |  | 2,685 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_US |  |  |  | 2,611 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_US | 2,685 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_US | 2,792 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = country_US
Europe |  |  |  |  |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |  |  |  |  |
Long-lived assets | 428 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember |  |  |  | 481 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember |  |  |  | 428 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember | 481 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember | 467 us-gaap_NoncurrentAssets / us-gaap_StatementGeographicalAxis = us-gaap_EuropeMember
Plumbing Products |  |  |  |  |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 3,308 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = mas_PlumbingProductsMember | 3,183 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = mas_PlumbingProductsMember | 2,955 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = mas_PlumbingProductsMember
Decorative Architectural Products |  |  |  |  |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 1,998 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = mas_DecorativeArchitecturalProductsMember | 1,927 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = mas_DecorativeArchitecturalProductsMember | 1,818 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = mas_DecorativeArchitecturalProductsMember
Other Specialty Products |  |  |  |  |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 701 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = mas_OtherSpecialtyProductsMember | 637 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = mas_OtherSpecialtyProductsMember | 574 us-gaap_SalesRevenueNet / us-gaap_StatementBusinessSegmentsAxis = mas_OtherSpecialtyProductsMember
Impairment charges for other intangible assets |  |  |  |  |  |  |  |  |  |  | 42 us-gaap_ImpairmentOfIntangibleAssetsExcludingGoodwill / us-gaap_StatementBusinessSegmentsAxis = mas_OtherSpecialtyProductsMember
Sales | US |  |  |  |  |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |  |  |  |  |
Net sales |  |  |  |  |  |  |  |  | 6,689 us-gaap_SalesRevenueNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueNetMember / us-gaap_StatementGeographicalAxis = country_US | 6,359 us-gaap_SalesRevenueNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueNetMember / us-gaap_StatementGeographicalAxis = country_US | 5,793 us-gaap_SalesRevenueNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueNetMember / us-gaap_StatementGeographicalAxis = country_US
Sales | Customer concentration risk | One customer | Cabinets and Related Products, Plumbing Products, Decorative Architectural Products and Other Specialty Products segments |  |  |  |  |  |  |  |  |  |  |
Segment Information |  |  |  |  |  |  |  |  |  |  |
Number of major customers |  |  |  |  |  |  |  |  | 1 mas_ConcentrationRiskNumberOfCustomers / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = mas_OneCustomerMember / us-gaap_StatementBusinessSegmentsAxis = mas_CabinetsAndRelatedProductsPlumbingProductsDecorativeArchitecturalProductsAndOtherSpecialtyProductsMember | 1 mas_ConcentrationRiskNumberOfCustomers / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = mas_OneCustomerMember / us-gaap_StatementBusinessSegmentsAxis = mas_CabinetsAndRelatedProductsPlumbingProductsDecorativeArchitecturalProductsAndOtherSpecialtyProductsMember | 1 mas_ConcentrationRiskNumberOfCustomers / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = mas_OneCustomerMember / us-gaap_StatementBusinessSegmentsAxis = mas_CabinetsAndRelatedProductsPlumbingProductsDecorativeArchitecturalProductsAndOtherSpecialtyProductsMember
Net sales |  |  |  |  |  |  |  |  | $ 2,319 us-gaap_SalesRevenueNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = mas_OneCustomerMember / us-gaap_StatementBusinessSegmentsAxis = mas_CabinetsAndRelatedProductsPlumbingProductsDecorativeArchitecturalProductsAndOtherSpecialtyProductsMember | $ 2,280 us-gaap_SalesRevenueNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = mas_OneCustomerMember / us-gaap_StatementBusinessSegmentsAxis = mas_CabinetsAndRelatedProductsPlumbingProductsDecorativeArchitecturalProductsAndOtherSpecialtyProductsMember | $ 2,143 us-gaap_SalesRevenueNet / us-gaap_ConcentrationRiskByBenchmarkAxis = us-gaap_SalesRevenueNetMember / us-gaap_ConcentrationRiskByTypeAxis = us-gaap_CustomerConcentrationRiskMember / us-gaap_MajorCustomersAxis = mas_OneCustomerMember / us-gaap_StatementBusinessSegmentsAxis = mas_CabinetsAndRelatedProductsPlumbingProductsDecorativeArchitecturalProductsAndOtherSpecialtyProductsMember

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