Earnings Per Share [Abstract]
Schedule of reconciliations of the numerators and denominators used in the computations of basic and diluted earnings per common share
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill and Other Intangible Assets
Goodwill and Intangible Assets Disclosure [Text Block]
Accounting Policies [Abstract]
New Accounting Pronouncements or Change in Accounting Principle [Table]
New Accounting Pronouncements or Change in Accounting Principle [Table]
Adjustments for New Accounting Pronouncements [Axis]
Adjustments for New Accounting Pronouncements [Axis]
Type of Adoption [Domain]
Type of Adoption [Domain]
Accounting Standards Update 2016-02
Accounting Standards Update 2016-02 [Member]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
New Accounting Pronouncements or Change in Accounting Principle [Line Items]
Operating lease right-of-use assets
Operating Lease, Right-of-Use Asset
Operating lease, liability, current
Operating Lease, Liability, Current
Operating lease, liability, noncurrent
Operating Lease, Liability, Noncurrent
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table]
Award Type [Axis]
Award Type [Axis]
Equity Award [Domain]
Equity Award [Domain]
Long-term stock awards
Restricted Stock [Member]
Stock options
Employee Stock Option [Member]
Restricted stock units
Restricted Stock Units (RSUs) [Member]
Phantom stock awards and stock appreciation rights
Phantom Stock Awards And Stock Appreciation Rights S A R S [Member]
Incentive compensation awarded to employees consisting of a stated number of phantom shares or units, and right to receive cash or stock compensation equal to the appreciation of a predetermined number of the entity's shares, during a predetermined time period.
Stock-based compensation
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Pre-tax compensation expense
Allocated Share-based Compensation Expense
Income Tax Disclosure [Abstract]
Income Taxes
Income Tax Disclosure [Text Block]
Leases [Abstract]
Lease, Cost
Lease, Cost [Table Text Block]
Schedule of Supplemental Cash Flow Information Related to Leases
Schedule of Supplemental Cash Flow Information Related to Leases [Table Text Block]
Schedule of supplemental cash flow information related to leases.
Lessee, Other Lease Information
Lessee, Other Lease Information [Table Text Block]
Lessee, Other Lease Information.
Schedule of Supplemental Balance Sheet Information Related to Leases
Schedule of Supplemental Balance Sheet Information Related to Leases [Table Text Block]
Schedule of Supplemental Balance Sheet Information Related to Leases [Table Text Block]
Finance Lease, Liability, Maturity
Finance Lease, Liability, Maturity [Table Text Block]
Operating Lease, Liability, Maturity
Lessee, Operating Lease, Liability, Maturity [Table Text Block]
Leases
Lessee, Operating Leases [Text Block]
Leases
Lessee, Finance Leases [Text Block]
Lessee, Lease, Description [Table]
Lessee, Lease, Description [Table]
Balance Sheet Location [Axis]
Balance Sheet Location [Axis]
Balance Sheet Location [Domain]
Balance Sheet Location [Domain]
Property and equipment, net
Property, Plant and Equipment [Member]
Notes payable
Notes Payable, Other Payables [Member]
Accrued liabilities
Accrued Liabilities [Member]
Long-term debt
Long-term Debt [Member]
Other liabilities
Other Liabilities [Member]
Lessee, Lease, Description [Line Items]
Lessee, Lease, Description [Line Items]
Finance lease, liability, current
Finance Lease, Liability, Current
Finance lease, liability, noncurrent
Finance Lease, Liability, Noncurrent
Other Income and Expenses [Abstract]
Schedule of components of other, net, which is included in other income (expense), net
Schedule of Other Nonoperating Income (Expense) [Table Text Block]
Range [Axis]
Range [Axis]
Range [Domain]
Range [Domain]
Minimum
Minimum [Member]
Maximum
Maximum [Member]
Remaining lease term
Lessee, Operating And Finance Leases Remaining Lease Term
Lessee, operating and finance leases remaining lease term.
Renewal term
Lessee, Finance Lease, Renewal Term
Finance lease, right-of-use asset
Finance Lease, Right-of-Use Asset
Accumulated depreciation, depletion and amortization, property, plant, and equipment
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
2019
Operating Leases, Future Minimum Payments Due, Next Twelve Months
2020
Operating Leases, Future Minimum Payments, Due in Two Years
2021
Operating Leases, Future Minimum Payments, Due in Three Years
2022
Operating Leases, Future Minimum Payments, Due in Four Years
2023
Operating Leases, Future Minimum Payments, Due in Five Years
2024 and beyond
Operating Leases, Future Minimum Payments, Due Thereafter
Depreciation, Depletion and Amortization [Abstract]
Depreciation and amortization expense
Depreciation, Depletion and Amortization
Debt Disclosure [Abstract]
Schedule of Long-term Debt Instruments [Table]
Schedule of Long-term Debt Instruments [Table]
Debt Instrument [Axis]
Debt Instrument [Axis]
Debt Instrument, Name [Domain]
Debt Instrument, Name [Domain]
Credit Agreement dated March 28, 2013
Year2013 Credit Agreement [Member]
Line of credit agreement dated March 28, 2013.
Credit Agreement dated March 13, 2019
Year2019 Credit Agreement [Member]
Year2019 Credit Agreement [Member] [Member]
Credit Facility [Axis]
Credit Facility [Axis]
Credit Facility [Domain]
Credit Facility [Domain]
Revolver
Revolving Credit Facility [Member]
Swingline loans
Swing Line Loans [Member]
Swing Line Loans [Member]
Letters of credit
Letter of Credit [Member]
Variable Rate [Axis]
Variable Rate [Axis]
Variable Rate [Domain]
Variable Rate [Domain]
Federal funds effective rate
Federal Funds Effective Rate [Member]
Federal Funds Effective Rate [Member]
Libor rate
London Interbank Offered Rate (LIBOR) [Member]
Measurement Basis [Axis]
Measurement Basis [Axis]
Fair Value Measurement [Domain]
Fair Value Measurement [Domain]
Portion at Fair Value Measurement [Member]
Portion at Fair Value Measurement [Member]
Estimate of Fair Value Measurement
Estimate of Fair Value Measurement [Member]
Carrying Value Reported Value Measurement
Reported Value Measurement [Member]
Debt
Debt Instrument [Line Items]
Borrowing capacity, maximum
Line of Credit Facility, Maximum Borrowing Capacity
Increase in maximum borrowing capacity
Line Of Credit Facility Increase In Maximum Borrowing Capacity
Increase in maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.
Outstanding and unused Letters of Credit
Letters of Credit Outstanding, Amount
Interest rate, basis spread (as a percent)
Debt Instrument, Basis Spread on Variable Rate
Maximum net leverage ratio
Maximum Leverage Ratio
Represents maximum Leverage Ratio.
Minimum interest coverage ratio
Minimum Interest Coverage Ratio
Minimum Interest Coverage Ratio
Borrowings outstanding
Long-term Line of Credit
Estimated market value of long-term and short-term debt
Debt Instrument, Fair Value Disclosure
Aggregate carrying value of long-term and short-term debt
Debt, Long-term and Short-term, Combined Amount
Commitments and Contingencies Disclosure [Abstract]
Other Commitments and Contingencies
Commitments and Contingencies Disclosure [Text Block]
Numerator (basic and diluted):
Net Income (Loss) Available to Common Stockholders, Diluted [Abstract]
Net income
Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent
Less: Allocation to unvested restricted stock awards
Undistributed Earnings (Loss) Allocated to Participating Securities, Basic
Net income available to common shareholders
Net Income (Loss) Available to Common Stockholders, Basic
Denominator:
Weighted Average Number of Shares Outstanding Reconciliation [Abstract]
Basic common shares (based upon weighted average) (in shares)
Weighted Average Number of Shares Outstanding, Basic
Add: Stock option dilution (in shares)
Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements
Diluted common shares (in shares)
Weighted Average Number of Shares Outstanding, Diluted
Business Combinations [Abstract]
Schedule of Business Acquisitions, by Acquisition [Table]
Schedule of Business Acquisitions, by Acquisition [Table]
Business Acquisition [Axis]
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Business Acquisition, Acquiree [Domain]
The LD Kichler Co
The LD Kichler Co [Member]
The LD Kichler Co
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets by Major Class [Axis]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Finite-Lived Intangible Assets, Major Class Name [Domain]
Customer Relationships
Customer Relationships [Member]
Other Intangible Assets
Other Intangible Assets [Member]
Segments [Axis]
Segments [Axis]
Segments [Domain]
Segments [Domain]
Decorative Architectural Products
Decorative Architectural Products [Member]
Decorative architectural products.
Business Acquisition [Line Items]
Business Acquisition [Line Items]
Cash acquired
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents
Receivables
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables
Inventories
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Inventory
Other current assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets
Property and equipment
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment
Goodwill
Goodwill
Other intangible assets
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill
Accounts payable
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable
Accrued liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Other
Other liabilities
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other
Total
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net
Indefinite-lived intangible assets acquired
Indefinite-lived Intangible Assets Acquired
Finite-lived intangible assets acquired
Finite-lived Intangible Assets Acquired
Weighted average useful life (in years)
Acquired Finite-lived Intangible Assets, Weighted Average Useful Life
Income Per Common Share
Earnings Per Share [Text Block]
Statement of Stockholders' Equity [Abstract]
Statement [Table]
Statement [Table]
Equity Components [Axis]
Equity Components [Axis]
Equity Component [Domain]
Equity Component [Domain]
Common Shares ($1 par value)
Common Stock [Member]
Paid-In Capital
Additional Paid-in Capital [Member]
Retained (Deficit) Earnings
Retained Earnings [Member]
Accumulated Other Comprehensive (Loss) Income
AOCI Attributable to Parent [Member]
Noncontrolling Interest
Noncontrolling Interest [Member]
Statement
Statement [Line Items]
Increase (Decrease) in Stockholders' Equity
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Balance
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest
Reclassification of disproportionate tax effects (Refer to Note K)
Tax Cuts And Jobs Act Of 2017, Reclassification from Aoci To Retained Earnings, Tax Effect
Tax Cuts And Jobs Act Of 2017, Reclassification from Aoci To Retained Earnings, Tax Effect
Total comprehensive income
Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest
Shares issued
Stock Issued During Period, Value, New Issues
Shares retired:
Shares Retired [Abstract]
Shares Retired.
Repurchased
Stock Repurchased and Retired During Period, Value
Surrendered (non-cash)
Surrendered Non Cash
Surrendered non cash.
Cash dividends declared
Dividends, Common Stock, Cash
Stock-based compensation
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition
Balance
Income from cash and cash investments and short-term bank deposits
Interest Income
Represents interest income on cash and cash investments and dividends.
Foreign currency transaction losses
Foreign Currency Transaction Gain (Loss), before Tax
Net periodic pension and post-retirement benefit cost
PensionandOtherPostretirementBenefitExpenseExcludingCurrentServiceCost
Amount of expense (reversal of expense) for net periodic pension and postretirement costs excluding the current service cost component. Includes, but is not limited to, interest cost, actual return on plan assets, amortization of loss (gain), amortization of prior service cost (credit), amortization of transition obligation (asset), loss (gain) from a settlement or curtailment, and certain termination benefits.
Total other, net
Other Nonoperating Income (Expense)
Operating Leases
Operating Lease Liabilities, Payments Due [Abstract]
2019 (excluding the three-months ended March 31, 2019)
Lessee, Operating Lease, Liability, Payments, Remainder of Fiscal Year
2020
Lessee, Operating Lease, Liability, Payments, Due Year Two
2021
Lessee, Operating Lease, Liability, Payments, Due Year Three
2022
Lessee, Operating Lease, Liability, Payments, Due Year Four
2023
Lessee, Operating Lease, Liability, Payments, Due Year Five
Thereafter
Lessee, Operating Lease, Liability, Payments, Due after Year Five
Total lease payments
Lessee, Operating Lease, Liability, Payments, Due
Less: imputed interest
Lessee, Operating Lease, Liability, Undiscounted Excess Amount
Total
Operating Lease, Liability
Finance Leases
Finance Lease Liabilities, Payments, Due [Abstract]
2019 (excluding the three-months ended March 31, 2019)
Finance Lease, Liability, Payments, Remainder of Fiscal Year
2020
Finance Lease, Liability, Payments, Due Year Two
2021
Finance Lease, Liability, Payments, Due Year Three
2022
Finance Lease, Liability, Payments, Due Year Four
2023
Finance Lease, Liability, Payments, Due Year Five
Thereafter
Finance Lease, Liability, Payments, Due after Year Five
Total lease payments
Finance Lease, Liability, Payments, Due
Less: imputed interest
Finance Lease, Liability, Undiscounted Excess Amount
Total
Finance Lease, Liability
Operating cash flows for operating leases
Operating Lease, Payments
Operating cash flows for finance leases
Finance Lease, Interest Payment on Liability
Financing cash flows for finance leases
Finance Lease, Principal Payments
Right-of-Use asset obtained in exchange for operating lease liability
Right-of-Use Asset Obtained in Exchange for Operating Lease Liability
Right-of-Use asset obtained in exchange for finance lease liability
Right-of-Use Asset Obtained in Exchange for Finance Lease Liability
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Antidilutive Securities [Axis]
Antidilutive Securities [Axis]
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive effect on computation of diluted earnings per common share (in shares)
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Amount authorized for repurchase
Stock Repurchase Program, Authorized Amount
Stock repurchased during period (in shares)
Stock Repurchased and Retired During Period, Shares
Stock repurchased and retired during period to offset dilutive impact of awards granted (in shares)
Stock Repurchased And Retired During Period To Offset Dilutive Impact Of Awards Granted Shares
Number of shares that have been repurchased and retired during the period to offset the dilutive impact of stock awards granted.
Stock Repurchased and Retired During Period, Value
Payments for Repurchase of Common Stock
Payments for Repurchase of Common Stock
Remaining amount authorized to be repurchased
Stock Repurchase Program, Remaining Authorized Repurchase Amount
Dividends
Earnings Per Share, Basic and Diluted, Other Disclosures [Abstract]
Cash dividends per common share paid (in dollars per share)
Common Stock, Dividends, Per Share, Cash Paid
Cash dividends per common share declared (in dollars per share)
Common Stock, Dividends, Per Share, Declared
Schedule of changes in carrying amount of goodwill
Schedule of Goodwill [Table Text Block]
Retirement Benefits [Abstract]
Employee Retirement Plans
Pension and Other Postretirement Benefits Disclosure [Text Block]
Statement of Comprehensive Income [Abstract]
Net income
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest
Less: Net income attributable to noncontrolling interest
Net Income (Loss) Attributable to Noncontrolling Interest
Net income attributable to Masco Corporation
Net Income (Loss) Attributable to Parent
Other comprehensive income (loss), net of tax (Note K):
Other Comprehensive Income (Loss), Net of Tax [Abstract]
Cumulative translation adjustment
Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax
Pension and other post-retirement benefits
Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax
Other comprehensive income, net of tax
Other Comprehensive Income (Loss), Net of Tax
Less: Other comprehensive (loss) income attributable to noncontrolling interest
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest
Other comprehensive income attributable to Masco Corporation
Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent
Total comprehensive income
Less: Total comprehensive income attributable to noncontrolling interest
Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest
Total comprehensive income attributable to Masco Corporation
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Plan Name [Axis]
Plan Name [Axis]
Plan Name [Domain]
Plan Name [Domain]
LTIP Program
LTIP Program [Member]
LTIP Program [Member]
Period for recognition
Share-based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Period for Recognition
Share-based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Period for Recognition
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Granted (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Intrinsic Value, Amount Per Share
Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Product Warranties Disclosures [Abstract]
Schedule of changes in the Company's warranty liability
Schedule of Product Warranty Liability [Table Text Block]
Revenues [Abstract]
Disaggregation of Revenue [Table]
Disaggregation of Revenue [Table]
Geographical [Axis]
Geographical [Axis]
Geographical [Domain]
Geographical [Domain]
North America
North America [Member]
International, principally Europe
Foreign Locations [Member]
Represents international, principally Europe, geographic area operations of the entity.
Plumbing Products
Plumbing Products [Member]
Plumbing products.
Cabinetry Products
Cabinetry Products [Member]
Cabinetry Products
Windows and Other Specialty Products
Windows and Other Specialty Products [Member]
Windows and Other Specialty Products
Disaggregation of Revenue [Line Items]
Disaggregation of Revenue [Line Items]
Net sales
Revenue from Contract with Customer, Excluding Assessed Tax
Contract with customer, asset, gross, current
Contract with Customer, Asset, Gross, Current
Contract with customer, liability
Contract with Customer, Liability
Schedule of Goodwill [Table]
Schedule of Goodwill [Table]
Goodwill [Line Items]
Goodwill [Line Items]
Gross goodwill at period start
Goodwill, Gross
Accumulated Impairment Losses
Goodwill, Impaired, Accumulated Impairment Loss
Goodwill
Goodwill [Roll Forward]
Goodwill [Roll Forward]
Beginning balance
Pre-Tax Impairment Charges
Goodwill, Impairment Loss
Other
Goodwill, Other Increase (Decrease)
Ending balance
Effective tax rate (as a percent)
Effective Income Tax Rate Reconciliation, Percent
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Amount
Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Compensation Cost, Amount
Schedule of pre-tax compensation expense and the related income tax benefit for these stock-based incentives
Schedule of Compensation Cost for Share-based Payment Arrangements, Allocation of Share-based Compensation Costs by Plan [Table Text Block]
Schedule of the Company's long-term stock award activity
Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block]
Schedule of the Company's stock option activity
Share-based Compensation, Stock Options, Activity [Table Text Block]
Schedule of weighted average grant date fair value of option shares granted and the assumptions used to estimate those values using a Black-Scholes option pricing model
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract]
Reclassification out of Accumulated Other Comprehensive Income [Table]
Reclassification out of Accumulated Other Comprehensive Income [Table]
Accounting Standards Update 2018-02
Accounting Standards Update 2018-02 [Member]
Accounting Standards Update 2018-02 [Member]
Actuarial losses, net
Accumulated Defined Benefit Plans Adjustment, Net Gain (Loss) Attributable to Parent [Member]
Reclassifications from accumulated other comprehensive (loss) income
Reclassification Adjustment out of Accumulated Other Comprehensive Income [Line Items]
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax
Reclassification from AOCI, Current Period, Tax
Reclassification from AOCI, Current Period, Tax
Reclassifications, after tax
Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax
Reclassification of disproportionate tax effects
Acquisitions
Business Combination Disclosure [Text Block]
Segment Reporting [Abstract]
Segment Information
Segment Reporting Disclosure [Text Block]
Schedule of Defined Benefit Plans Disclosures [Table]
Schedule of Defined Benefit Plans Disclosures [Table]
Retirement Plan Tax Status [Axis]
Retirement Plan Tax Status [Axis]
Retirement Plan Tax Status [Domain]
Retirement Plan Tax Status [Domain]
Qualified
Qualified Plan [Member]
Non-Qualified
Nonqualified Plan [Member]
Employee Retirement Plans
Defined Benefit Plan Disclosure [Line Items]
Net periodic pension cost for the company's defined-benefit pension plans
Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract]
Service cost
Defined Benefit Plan, Service Cost
Interest cost
Defined Benefit Plan, Interest Cost
Expected return on plan assets
Defined Benefit Plan, Expected Return (Loss) on Plan Assets
Amortization of net loss
Defined Benefit Plan, Amortization of Gain (Loss)
Net periodic pension cost
Defined Benefit Plan, Net Periodic Benefit Cost (Credit)
Recently Adopted Accounting Pronouncements and Recently Issued Accounting Pronouncements
New Accounting Pronouncements, Policy [Policy Text Block]
Disaggregation of Revenue
Disaggregation of Revenue [Table Text Block]
Income Statement [Abstract]
Cost of sales
Cost of Goods and Services Sold
Gross profit
Gross Profit
Selling, general and administrative expenses
Selling, General and Administrative Expense
Impairment charges for goodwill and other intangible assets
Goodwill and Intangible Asset Impairment
Operating profit
Operating Income (Loss)
Other income (expense), net:
Other Nonoperating Income (Expense) [Abstract]
Interest expense
Interest Expense
Other, net
Total other income (expense), net
Nonoperating Income (Expense)
Income tax expense
Income Tax Expense (Benefit)
Net income
Income per common share attributable to Masco Corporation:
Basic:
Earnings Per Share, Basic [Abstract]
Net income (in dollars per share)
Earnings Per Share, Basic
Diluted:
Earnings Per Share, Diluted [Abstract]
Net income (in dollars per share)
Earnings Per Share, Diluted
Operating Lease, Weighted Average Remaining Lease Term
Operating Lease, Weighted Average Remaining Lease Term
Finance Lease, Weighted Average Remaining Lease Term
Finance Lease, Weighted Average Remaining Lease Term
Operating Lease, Weighted Average Discount Rate, Percent
Operating Lease, Weighted Average Discount Rate, Percent
Finance Lease, Weighted Average Discount Rate, Percent
Finance Lease, Weighted Average Discount Rate, Percent
Warranty Liability
Product Warranty Disclosure [Text Block]
Statement of Financial Position [Abstract]
ASSETS
Assets [Abstract]
Current Assets:
Assets, Current [Abstract]
Cash and cash investments
Cash and Cash Equivalents, at Carrying Value
Receivables
Receivables, Net, Current
Prepaid expenses and other
Prepaid Expense and Other Assets, Current
Inventories:
Inventory, Net [Abstract]
Finished goods
Inventory, Finished Goods, Net of Reserves
Raw material
Inventory, Raw Materials, Net of Reserves
Work in process
Inventory, Work in Process, Net of Reserves
Total inventories
Inventory, Net
Total current assets
Assets, Current
Property and equipment, net
Property, Plant and Equipment, Net
Other intangible assets, net
Intangible Assets, Net (Excluding Goodwill)
Other assets
Other Assets, Noncurrent
Total assets
Assets
LIABILITIES
Liabilities [Abstract]
Current Liabilities:
Liabilities, Current [Abstract]
Accounts payable
Accounts Payable, Current
Notes payable
Notes Payable, Current
Accrued liabilities
Accrued Liabilities, Current
Total current liabilities
Liabilities, Current
Long-term debt
Long-term Debt, Excluding Current Maturities
Other liabilities
Other Liabilities, Noncurrent
Total liabilities
Liabilities
Commitments and contingencies (Note O)
Commitments and Contingencies
EQUITY
Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract]
Masco Corporation's shareholders' equity:
Stockholders' Equity Attributable to Parent [Abstract]
Common shares, par value $1 per share Authorized shares: 1,400,000,000; Issued and outstanding: 2019 – 291,500,000; 2018 – 293,900,000
Common Stock, Value, Issued
Preferred shares authorized: 1,000,000; Issued and outstanding: 2019 and 2018 – None
Preferred Stock, Value, Issued
Paid-in capital
Additional Paid in Capital
Retained deficit
Retained Earnings (Accumulated Deficit)
Accumulated other comprehensive loss
Accumulated Other Comprehensive Income (Loss), Net of Tax
Total Masco Corporation's shareholders' deficit
Stockholders' Equity Attributable to Parent
Noncontrolling interest
Stockholders' Equity Attributable to Noncontrolling Interest
Total equity
Total liabilities and equity
Liabilities and Equity
Accounting Policies
Significant Accounting Policies [Text Block]
Common share, par value (in dollars per share)
Common Stock, Par or Stated Value Per Share
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Consolidation Items [Axis]
Consolidation Items [Axis]
Consolidation Items [Domain]
Consolidation Items [Domain]
Operating Segments
Operating Segments [Member]
Geographic Areas
Reportable Geographical Components [Member]
Corporate, Non-Segment
Corporate, Non-Segment [Member]
Windows and Other Specialty Products
Segment Information
Segment Reporting Information [Line Items]
Operating Profit (Loss)
General corporate expense, net
Operating Expenses
Other income (expense), net
Debt
Debt Disclosure [Text Block]
Schedule of net periodic pension cost for the Company's defined-benefit pension plans
Schedule of Net Benefit Costs [Table Text Block]
Other Income (Expense), Net
Other Income and Other Expense Disclosure [Text Block]
Schedule of reclassifications from accumulated other comprehensive (loss) income to the condensed consolidated statements of operations
Reclassification out of Accumulated Other Comprehensive Income [Table Text Block]
Revenue
Revenue from Contract with Customer [Text Block]
Stock-Based Compensation
Disclosure of Compensation Related Costs, Share-based Payments [Text Block]
Movement in Standard and Extended Product Warranty, Increase (Decrease) [Roll Forward]
Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward]
Balance at the beginning of the period
Standard Product Warranty Accrual, Current
Accruals for warranties issued during the period
Standard Product Warranty Accrual, Increase for Warranties Issued
Accruals related to pre-existing warranties
Standard Product Warranty Accrual, Increase (Decrease) for Preexisting Warranties
Settlements made (in cash or kind) during the period
Standard Product Warranty Accrual, Decrease for Payments
Balance at the end of the period
Document and Entity Information [Abstract]
Document and Entity Information [Abstract]
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Document Type
Document Type
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Amendment Flag
Amendment Flag
Entity Common Stock, Shares Outstanding (in shares)
Entity Common Stock, Shares Outstanding
Entity Emerging Growth Company
Entity Emerging Growth Company
Entity Small Business
Entity Small Business
Stock Options
Weighted average grant date fair value (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Risk-free interest rate (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Dividend yield (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Volatility factor (as a percent)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Expected option life
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Vesting period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Expiration period
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period
Grant date intrinsic value (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Grant Date Intrinsic Value
Shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding at the beginning of the period (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Granted (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Exercised (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Forfeited (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
Outstanding at the end of the period (in shares)
Vested and expected to vest at the end of the period (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Exercisable at the end of the period (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Weighted average exercise price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Outstanding at the beginning of the period (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Granted (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Exercised (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Forfeited (in dollars per share)
Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Outstanding at the end of the period (in dollars per share)
Vested and expected to vest at the end of the period (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price
Exercisable at the end of the period (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Aggregate intrinsic value
Share Based Compensation, Arrangement by Share Based Payment, Award, Options, Outstanding Aggregate Intrinsic Value [Rollforward]
Share Based Compensation, Arrangement by Share Based Payment, Award, Options, Outstanding Aggregate Intrinsic Value [Rollforward]
Exercised
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value
Vested and expected to vest at the end of the period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value
Exercisable at the end of the period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
Weighted average remaining option term
Share Based Compensation, Arrangement by Share Based Payment Award Options, Outstanding Weighted Average Remaining Option Term [Rollforward]
Share Based Compensation, Arrangement by Share Based Payment Award Options, Outstanding Weighted Average Remaining Option Term [Rollforward]
Outstanding at the end of the period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term
Vested and expected to vest at the end of the period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term
Exercisable at the end of the period
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Additional disclosures
Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract]
Total unrecognized compensation expense
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Stock Options
Weighted average remaining vesting period
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition
Depreciation and Amortization
Depreciation and Amortization Expense, Disclosure [Text Block]
The entire disclosure for depreciation and amortization expense.
Goodwill, impairment loss
Other indefinite-lived intangible assets
Indefinite-lived Intangible Assets (Excluding Goodwill)
Impairment of intangible assets
Impairment of Intangible Assets, Indefinite-lived (Excluding Goodwill)
Carrying value of definite-lived intangible assets
Finite-Lived Intangible Assets, Net
Accumulated amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Operating lease cost
Operating Lease, Cost
Short-term lease cost
Short-term Lease, Cost
Variable lease cost
Variable Lease, Cost
Amortization of right-of-use assets
Finance Lease, Right-of-Use Asset, Amortization
Interest on lease liabilities
Finance Lease, Interest Expense
Schedule of information by segment and geographic area
Schedule of Segment Reporting Information, by Segment [Table Text Block]
Unvested stock award shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]
Balance at the beginning of the period (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Vested (in shares)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Balance at the end of the period (in shares)
Weighted average grant date fair value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]
Balance at the beginning of the period (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Granted (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value
Vested (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value
Forfeited (in dollars per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value
Balance at the end of the period (in dollars per share)
Additional disclosures
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract]
Total unrecognized compensation expense
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized
Remaining weighted average vesting period
Total market value (at the vesting date) of stock award shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value
Reclassifications From Accumulated Other Comprehensive Loss
Disclosure of Reclassification Amount [Text Block]
Statement of Cash Flows [Abstract]
CASH FLOWS FROM (FOR) OPERATING ACTIVITIES:
Net Cash Provided by (Used in) Operating Activities [Abstract]
Cash provided by operations
Cash Provided by Used in Operating Activities before Reconciling Adjustments
Amount of cash inflow (outflow) from operating activities before reconciling adjustments.
Increase in receivables
Increase (Decrease) in Receivables
Increase in inventories
Increase (Decrease) in Inventories
(Decrease) increase in accounts payable and accrued liabilities, net
Increase (Decrease) in Accounts Payable and Accrued Liabilities
Net cash for operating activities
Net Cash Provided by (Used in) Operating Activities
CASH FLOWS FROM (FOR) FINANCING ACTIVITIES:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Purchase of Company common stock
Proceeds from revolving credit borrowings, net
Proceeds from Lines of Credit
Cash dividends paid
Payments of Ordinary Dividends, Common Stock
Proceeds from the exercise of stock options
Proceeds from Issuance of Common Stock
Employee withholding taxes paid on stock-based compensation
Payments Related to Tax Withholding for Share-based Compensation
Payment of debt
Repayments of Long-term Debt
Credit Agreement and other financing costs
Payments Of Credit Agreement Costs
The cash outflow for credit agreement costs.
Net cash for financing activities
Net Cash Provided by (Used in) Financing Activities
CASH FLOWS FROM (FOR) INVESTING ACTIVITIES:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Capital expenditures
Payments to Acquire Productive Assets
Acquisition of business, net of cash acquired
Payments to Acquire Businesses, Net of Cash Acquired
Proceeds from disposition of:
Proceeds from Disposition [Abstract]
Proceeds from disposition.
Short-term bank deposits
Proceeds from Sale of Short-term Investments
Property and equipment
Proceeds from Sale of Property, Plant, and Equipment
Other, net
Payments for (Proceeds from) Other Investing Activities
Net cash for investing activities
Net Cash Provided by (Used in) Investing Activities
Effect of exchange rate changes on cash and cash investments
Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
CASH AND CASH INVESTMENTS:
Cash and Cash Equivalents, Period Increase (Decrease) [Abstract]
Decrease for the period
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect
At January 1
Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents
At March 31
Common shares, shares authorized (in shares)
Common Stock, Shares Authorized
Common shares, shares issued (in shares)
Common Stock, Shares, Issued
Common shares, shares outstanding (in shares)
Common Stock, Shares, Outstanding
Preferred shares, shares authorized (in shares)
Preferred Stock, Shares Authorized
Preferred shares, shares issued (in shares)
Preferred Stock, Shares Issued
Preferred shares, shares outstanding (in shares)
Preferred Stock, Shares Outstanding