XML 57 R44.htm IDEA: XBRL DOCUMENT
v3.23.2

INCOME TAXES - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Income Tax Disclosure [Abstract] |  |  |  |
Effective tax rate | 26.00% | 26.00% | 24.00% | 25.00%
Income tax benefits |  |  | $ 12 | $ 10

X
- Definition Income Tax Expense, Elimination of Disproportionate Tax Effect from Accumulated Other Comprehensive Loss, Amount + References No definition available. + Details
Name: | mas_IncomeTaxExpenseEliminationOfDisproportionateTaxEffectFromAccumulatedOtherComprehensiveLossAmount
Namespace Prefix: | mas_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 740 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 12 -Publisher FASB -URI https://asc.fasb.org//1943274/2147482685/740-10-50-12 + Details
Name: | us-gaap_EffectiveIncomeTaxRateContinuingOperations
Namespace Prefix: | us-gaap_
Data Type: | dtr-types:percentItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_IncomeTaxDisclosureAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration