    <SEC-DOCUMENT>0001193125-25-066585-index.html : 20250328
    <SEC-HEADER>0001193125-25-066585.hdr.sgml : 20250328
    <ACCEPTANCE-DATETIME>20250328120302
    ACCESSION NUMBER:		0001193125-25-066585
    CONFORMED SUBMISSION TYPE:	PRE 14A
    PUBLIC DOCUMENT COUNT:		59
    CONFORMED PERIOD OF REPORT:	20250509
    FILED AS OF DATE:		20250328
    DATE AS OF CHANGE:		20250328

    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]
    		ORGANIZATION NAME:           	04 Manufacturing
    		EIN:				381794485
    		STATE OF INCORPORATION:			DE
    		FISCAL YEAR END:			1231

    	FILING VALUES:
    		FORM TYPE:		PRE 14A
    		SEC ACT:		1934 Act
    		SEC FILE NUMBER:	001-05794
    		FILM NUMBER:		25782957

    	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>PRE 14A
    <SEQUENCE>1
    <FILENAME>d860835dpre14a.htm
    <DESCRIPTION>PRE 14A
    <TEXT>
    Document 1 - file: d860835dpre14a.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.SCH
    <SEQUENCE>2
    <FILENAME>mas-20241231.xsd
    <DESCRIPTION>XBRL TAXONOMY EXTENSION SCHEMA
    <TEXT>
    Document 2 - file: mas-20241231.xsd

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.DEF
    <SEQUENCE>3
    <FILENAME>mas-20241231_def.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION DEFINITION LINKBASE
    <TEXT>
    Document 3 - file: mas-20241231_def.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.LAB
    <SEQUENCE>4
    <FILENAME>mas-20241231_lab.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION LABEL LINKBASE
    <TEXT>
    Document 4 - file: mas-20241231_lab.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EX-101.PRE
    <SEQUENCE>5
    <FILENAME>mas-20241231_pre.xml
    <DESCRIPTION>XBRL TAXONOMY EXTENSION PRESENTATION LINKBASE
    <TEXT>
    Document 5 - file: mas-20241231_pre.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>6
    <FILENAME>g860835g00s15.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 6 - file: g860835g00s15.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>7
    <FILENAME>g860835g00s38.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 7 - file: g860835g00s38.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>8
    <FILENAME>g860835g00s89.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 8 - file: g860835g00s89.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>9
    <FILENAME>g860835g01g01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 9 - file: g860835g01g01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>10
    <FILENAME>g860835g01g02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 10 - file: g860835g01g02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>11
    <FILENAME>g860835g01p01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 11 - file: g860835g01p01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>12
    <FILENAME>g860835g01s04.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 12 - file: g860835g01s04.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>13
    <FILENAME>g860835g01s10.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 13 - file: g860835g01s10.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>14
    <FILENAME>g860835g02s04.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 14 - file: g860835g02s04.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>15
    <FILENAME>g860835g02s10.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 15 - file: g860835g02s10.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>16
    <FILENAME>g860835g03n03.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 16 - file: g860835g03n03.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>17
    <FILENAME>g860835g03s04.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 17 - file: g860835g03s04.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>18
    <FILENAME>g860835g05n02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 18 - file: g860835g05n02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>19
    <FILENAME>g860835g05n03.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 19 - file: g860835g05n03.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>20
    <FILENAME>g860835g05n04.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 20 - file: g860835g05n04.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>21
    <FILENAME>g860835g08g01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 21 - file: g860835g08g01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>22
    <FILENAME>g860835g08g02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 22 - file: g860835g08g02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>23
    <FILENAME>g860835g11i99.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 23 - file: g860835g11i99.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>24
    <FILENAME>g860835g15k01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 24 - file: g860835g15k01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>25
    <FILENAME>g860835g17p08.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 25 - file: g860835g17p08.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>26
    <FILENAME>g860835g18p08.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 26 - file: g860835g18p08.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>27
    <FILENAME>g860835g19p09.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 27 - file: g860835g19p09.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>28
    <FILENAME>g860835g22i22.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 28 - file: g860835g22i22.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>29
    <FILENAME>g860835g24n01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 29 - file: g860835g24n01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>30
    <FILENAME>g860835g24n02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 30 - file: g860835g24n02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>31
    <FILENAME>g860835g25p01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 31 - file: g860835g25p01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>32
    <FILENAME>g860835g26p02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 32 - file: g860835g26p02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>33
    <FILENAME>g860835g31g00.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 33 - file: g860835g31g00.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>34
    <FILENAME>g860835g31g32.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 34 - file: g860835g31g32.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>35
    <FILENAME>g860835g31g33.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 35 - file: g860835g31g33.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>36
    <FILENAME>g860835g32g00.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 36 - file: g860835g32g00.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>37
    <FILENAME>g860835g32g33.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 37 - file: g860835g32g33.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>38
    <FILENAME>g860835g33g31.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 38 - file: g860835g33g31.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>39
    <FILENAME>g860835g33g32.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 39 - file: g860835g33g32.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>40
    <FILENAME>g860835g44n44.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 40 - file: g860835g44n44.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>41
    <FILENAME>g860835g45n45.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 41 - file: g860835g45n45.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>42
    <FILENAME>g860835g70s08.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 42 - file: g860835g70s08.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>43
    <FILENAME>g860835g72n01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 43 - file: g860835g72n01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>44
    <FILENAME>g860835g72n02.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 44 - file: g860835g72n02.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>45
    <FILENAME>g860835g73n01.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 45 - file: g860835g73n01.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>46
    <FILENAME>g860835g77a88.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 46 - file: g860835g77a88.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>GRAPHIC
    <SEQUENCE>47
    <FILENAME>g860835g88n22.jpg
    <DESCRIPTION>GRAPHIC
    <TEXT>
    Document 47 - file: g860835g88n22.jpg

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>49
    <FILENAME>R1.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 49 - file: R1.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>50
    <FILENAME>R2.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 50 - file: R2.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>51
    <FILENAME>R3.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 51 - file: R3.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>52
    <FILENAME>R4.htm
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 52 - file: R4.htm

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>EXCEL
    <SEQUENCE>53
    <FILENAME>Financial_Report.xlsx
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 53 - file: Financial_Report.xlsx

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>54
    <FILENAME>Show.js
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 54 - file: Show.js

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>55
    <FILENAME>report.css
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 55 - file: report.css

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>57
    <FILENAME>FilingSummary.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 57 - file: FilingSummary.html

    Document 57 - RAW XML: FilingSummary.xml

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>JSON
    <SEQUENCE>59
    <FILENAME>MetaLinks.json
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 59 - file: MetaLinks.json

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>ZIP
    <SEQUENCE>60
    <FILENAME>0001193125-25-066585-xbrl.zip
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 60 - file: 0001193125-25-066585-xbrl.zip

    </DOCUMENT>
    <DOCUMENT>
    <TYPE>XML
    <SEQUENCE>61
    <FILENAME>d860835dpre14a_htm.xml
    <DESCRIPTION>IDEA: XBRL DOCUMENT
    <TEXT>
    Document 61 - file: d860835dpre14a_htm.html

    Document 61 - RAW XML: d860835dpre14a_htm.xml

    </DOCUMENT>
    </SEC-DOCUMENT>