v3.26.1
Schedule H, Line 41- Schedule of Assets (Held at End of Year) (Details) - EBP 033
12 Months Ended
Dec. 31, 2025
USD ($)
EBP, Schedule of Asset Held for Investment [Line Items]  
Plan Name MASCO CORPORATION 401(k) PLAN
EIN 38-1794485
Plan Number 033
Notes Receivable from Participants $ 28,020,647
Total Assets Held $ 1,855,498,205
Minimum  
EBP, Schedule of Asset Held for Investment [Line Items]  
Interest rate 3.25%
Maximum  
EBP, Schedule of Asset Held for Investment [Line Items]  
Interest rate 8.50%
Investment, Identifier [Axis]: Dodge & Cox Stock Fund - Class X | Mutual Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value $ 56,259,752
Investment, Identifier [Axis]: FIAM Core Plus Commingled Pool Class J | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 56,302,180
Investment, Identifier [Axis]: FIAM Small Capitalization Core Commingled Pool Class D | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 30,567,734
Investment, Identifier [Axis]: Fidelity BrokerageLink® | Self-directed brokerage account  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 88,324,813
Investment, Identifier [Axis]: Fidelity Freedom® Blend 2010 Commingled Pool Class S | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 5,228,235
Investment, Identifier [Axis]: Fidelity Freedom® Blend 2015 Commingled Pool Class S | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 8,037,875
Investment, Identifier [Axis]: Fidelity Freedom® Blend 2020 Commingled Pool Class S | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 34,570,070
Investment, Identifier [Axis]: Fidelity Freedom® Blend 2025 Commingled Pool Class S | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 77,846,836
Investment, Identifier [Axis]: Fidelity Freedom® Blend 2030 Commingled Pool Class S | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 166,864,164
Investment, Identifier [Axis]: Fidelity Freedom® Blend 2035 Commingled Pool Class S | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 144,678,715
Investment, Identifier [Axis]: Fidelity Freedom® Blend 2040 Commingled Pool Class S | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 135,591,891
Investment, Identifier [Axis]: Fidelity Freedom® Blend 2045 Commingled Pool Class S | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 124,117,773
Investment, Identifier [Axis]: Fidelity Freedom® Blend 2050 Commingled Pool Class S | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 86,582,209
Investment, Identifier [Axis]: Fidelity Freedom® Blend 2055 Commingled Pool Class S | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 57,414,280
Investment, Identifier [Axis]: Fidelity Freedom® Blend 2060 Commingled Pool Class S | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 33,302,591
Investment, Identifier [Axis]: Fidelity Freedom® Blend 2065 Commingled Pool Class S | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 13,266,043
Investment, Identifier [Axis]: Fidelity Freedom® Blend 2070 Commingled Pool Class S | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 884,579
Investment, Identifier [Axis]: Fidelity Freedom® Blend Retirement Commingled Pool Class S | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 4,134,070
Investment, Identifier [Axis]: Fidelity® Diversified International Commingled Pool | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 38,388,521
Investment, Identifier [Axis]: Fidelity® Institutional Money Market Government Portfolio Institutional Class | Mutual Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 61,105,450
Investment, Identifier [Axis]: Fidelity® Low-Priced Stock Commingled Pool | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 30,988,309
Investment, Identifier [Axis]: Fidelity® U.S. Bond Index Fund Institutional Class | Mutual Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 24,469,865
Investment, Identifier [Axis]: Harbor Capital Appreciation CIT Class R | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 207,182,775
Investment, Identifier [Axis]: Managed Income Portfolio Class II | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 13,535,079
Investment, Identifier [Axis]: Masco Corporation Company Stock Fund | Stock Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 27,272,518
Investment, Identifier [Axis]: Spartan® 500 Index Pool Class D | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value 251,346,245
Investment, Identifier [Axis]: Spartan® Total International Index Pool Class D | Collective Trust Fund  
EBP, Schedule of Asset Held for Investment [Line Items]  
Investment Current Value $ 49,214,986