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OTHER INCOME (EXPENSE), NET (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
OTHER INCOME (EXPENSE), NET |  |  |
Income from cash and cash investments | $ 3 mas_InterestIncome | $ 3 mas_InterestIncome | $ 6 mas_InterestIncome
Other interest income | 1 us-gaap_InterestIncomeOther | 2 us-gaap_InterestIncomeOther | 1 us-gaap_InterestIncomeOther
Income from financial investments, net (Note E) | 2 mas_IncomeFromInvestments | 27 mas_IncomeFromInvestments | 22 mas_IncomeFromInvestments
Foreign currency transaction gains (losses) | 5 us-gaap_ForeignCurrencyTransactionGainLossBeforeTax | (18)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax | (2)us-gaap_ForeignCurrencyTransactionGainLossBeforeTax
Other items, net | 1 mas_OtherNonoperatingIncomeExpenseOtherIncomeExpenseItemsNet | (2)mas_OtherNonoperatingIncomeExpenseOtherIncomeExpenseItemsNet | (2)mas_OtherNonoperatingIncomeExpenseOtherIncomeExpenseItemsNet
Total other, net | 12 us-gaap_OtherNonoperatingIncomeExpense | 12 us-gaap_OtherNonoperatingIncomeExpense | 25 us-gaap_OtherNonoperatingIncomeExpense
Currency translation expense related to sale of the ready-to-assemble cabinet business |  | $ 18 mas_CurrencyTranslationExpenseRelatedToSaleOfBusiness |

X
- Definition Represents the amount of currency translation expense related to sale of business. + References No definition available. + Details
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- Definition Represents income from investments, excluding interest. + References No definition available. + Details
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- Definition Represents the net of foreign currency translation gains/losses and other miscellaneous income/expense items, which is included as part of other non-operating income and expense. + References No definition available. + Details
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- Definition Amount before tax of foreign currency transaction realized and unrealized gain (loss) recognized in the income statement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30690-110894 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450222&loc=d3e30840-110895 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 830 -SubTopic 20 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6450189&loc=d3e30700-110894 + Details
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- Definition The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 9 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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