    <SEC-DOCUMENT>0000062996-23-000012-index.html : 20230426
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    <ACCEPTANCE-DATETIME>20230426070330
    ACCESSION NUMBER:		0000062996-23-000012
    CONFORMED SUBMISSION TYPE:	8-K
    PUBLIC DOCUMENT COUNT:		14
    CONFORMED PERIOD OF REPORT:	20230421
    ITEM INFORMATION:		Results of Operations and Financial Condition
    ITEM INFORMATION:		Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers: Compensatory Arrangements of Certain Officers
    ITEM INFORMATION:		Financial Statements and Exhibits
    FILED AS OF DATE:		20230426
    DATE AS OF CHANGE:		20230426

    FILER:

    	COMPANY DATA:
    		COMPANY CONFORMED NAME:			MASCO CORP /DE/
    		CENTRAL INDEX KEY:			0000062996
    		STANDARD INDUSTRIAL CLASSIFICATION:	HEATING EQUIP, EXCEPT ELEC & WARM AIR & PLUMBING FIXTURES [3430]
    		IRS NUMBER:				381794485
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		8-K
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-05794
    		FILM NUMBER:		23846752

    	BUSINESS ADDRESS:
    		STREET 1:		17450 COLLEGE PARKWAY
    		CITY:			LIVONIA
    		STATE:			MI
    		ZIP:			48152
    		BUSINESS PHONE:		3132747400

    	MAIL ADDRESS:
    		STREET 1:		17450 COLLEGE PARKWAY
    		CITY:			LIVONIA
    		STATE:			MI
    		ZIP:			48152

    	FORMER COMPANY:
    		FORMER CONFORMED NAME:	MASCO SCREW PRODUCTS CO
    		DATE OF NAME CHANGE:	19731025
    </SEC-HEADER>
    <DOCUMENT>
    <TYPE>8-K
    <SEQUENCE>1
    <FILENAME>mas-20230421.htm
    <DESCRIPTION>8-K
    <TEXT>
    Document 1 - file: mas-20230421.htm

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    <DOCUMENT>
    <TYPE>EX-99
    <SEQUENCE>2
    <FILENAME>a331238-kex99.htm
    <DESCRIPTION>EX-99
    <TEXT>
    Document 2 - file: a331238-kex99.htm

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    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>3
    <FILENAME>mas-20230421.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA DOCUMENT
    <TEXT>
    Document 3 - file: mas-20230421.xsd

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    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>4
    <FILENAME>mas-20230421_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE DOCUMENT
    <TEXT>
    Document 4 - file: mas-20230421_lab.xml

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    <SEQUENCE>5
    <FILENAME>mas-20230421_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE DOCUMENT
    <TEXT>
    Document 5 - file: mas-20230421_pre.xml

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    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>mascoa14a.jpg
    <TEXT>
    Document 6 - file: mascoa14a.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>7
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 7 - file: R1.htm

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>8
    <FILENAME>mas-20230421_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 8 - file: mas-20230421_htm.html

    Document 8 - RAW XML: mas-20230421_htm.xml

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    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>9
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 9 - file: Financial_Report.xlsx

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>10
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 10 - file: Show.js

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    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>11
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 11 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>12
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 12 - file: FilingSummary.html

    Document 12 - RAW XML: FilingSummary.xml

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    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>14
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 14 - file: MetaLinks.json

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    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>15
    <FILENAME>0000062996-23-000012-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 15 - file: 0000062996-23-000012-xbrl.zip

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