Senior Notes Due 2016 Senior Notes Due 2016 [Member] Senior notes with a 10 year term, due in 2016, with a stated interest rate of 6.5%. Senior Notes At 3.875%, Due 2030 Senior Notes At 3.875%, Due 2030 [Member] Senior Notes At 3.875%, Due 2030 Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Range [Domain] Statistical Measurement [Domain] Derivative Instrument, Unrecognized Gain Included In Accumulated OCI Derivative Instrument, Unrecognized Gain Included In Accumulated OCI Derivative Instrument, Unrecognized Gain Included In Accumulated OCI Business Sale, Revenue Reported For Business Sold For Last Annual Period Business Sale, Revenue Reported For Business Sold For Last Annual Period Business Sale, Revenue Reported For Business Sold For Last Annual Period Schedule of Long-term Debt [Table] Schedule of Long-term Debt [Table] A table or schedule providing information pertaining to long-term debt that originally required repayment more than twelve months after issuance or greater than the normal operating cycle of the company, if longer. Disposal Group, Including Discontinued Operation, Property, Plant and Equipment Disposal Group, Including Discontinued Operation, Property, Plant and Equipment Award Timing Predetermined Award Timing Predetermined [Flag] Product warranty accrual, beginning balance Product warranty accrual, ending balance Standard and Extended Product Warranty Accrual Intangible Assets, Gross (Excluding Goodwill) Intangible Assets, Gross (Excluding Goodwill) Indefinite-lived Intangible Assets [Axis] Indefinite-Lived Intangible Assets [Axis] Intangible Assets by Major Class [Domain] Intangible Assets by Major Class [Domain] Intangible Assets by Major Class [Domain] Entity File Number Entity File Number APIC Additional Paid-in Capital [Member] Tabular List, Table Tabular List [Table Text Block] External Based Performance Metric External Based Performance Metric [Member] External Based Performance Metric [Member] Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Operating Activities [Axis] Operating Activities [Axis] Pension fund contribution Payment for Pension Benefits Disposal Groups, Including Discontinued Operations Disposal Groups, Including Discontinued Operations [Table Text Block] Type of Restructuring [Domain] Type of Restructuring [Domain] Goodwill [Line Items] Goodwill [Line Items] Trading Arrangements, by Individual Trading Arrangements, by Individual [Table] Basic (dollars per share) Basic (dollars per share) Earnings Per Share, Basic Adjustment to Compensation: Adjustment to Compensation [Axis] Named Executive Officers, Footnote Named Executive Officers, Footnote [Text Block] Commercial Paper Commercial Paper [Member] Payments on senior revolving credit and receivables securitization facilities Repayments of Senior Revolving Credit and Receivables Securitization Facilities Repayments of Senior Revolving Credit and Receivables Securitization Facilities Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] Short-term debt Short-Term Debt 4.300% senior notes, net of discount and financing fees, due 2047 Senior Note 2047 [Member] Senior Note 2047 [Member] Continuing Operations Continuing Operations [Member] Other Geographical Other Geographical [Member] Disclosure of segment information that relates to all other geographic regions not separately disclosed. Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentration risk percentage Concentration Risk, Percentage Product Warranties Disclosures [Abstract] Product Warranties Disclosures [Abstract] Stock-based compensation expense Share-Based Payment Arrangement, Noncash Expense Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Antidilutive Securities [Axis] Antidilutive Securities [Axis] Total Owens Corning stockholders’ equity Equity, Attributable to Parent Hedging Indices [Axis] Hedging Indices [Axis] Hedging Indices [Axis] Insider Trading Policies and Procedures [Line Items] Share-based compensation expense Share-Based Payment Arrangement, Expense Property, Plant and Equipment Property, Plant and Equipment [Table Text Block] Common stock authorized (shares) Common Stock, Shares Authorized Accelerated Depreciation, Asset Write-Offs, And Other Exit Costs Accelerated Depreciation, Asset Write-Offs, And Other Exit Costs [Member] Accelerated Depreciation, Asset Write-Offs, And Other Exit Costs Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] CURRENT ASSETS Assets, Current [Abstract] Loss Contingency [Abstract] Loss Contingency [Abstract] TOTAL LIABILITIES AND EQUITY Liabilities and Equity Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] 3.875% senior notes, net of discount and financing fees, due 2030 Senior Notes, Due 2030 [Member] Senior Notes, Due 2030 Global Corporate Restructuring Global Corporate Restructuring [Member] Global Corporate Restructuring Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] Rachel Marcon [Member] Rachel Marcon LIABILITIES AND EQUITY Liabilities and Equity [Abstract] Cover [Abstract] DISCONTINUED OPERATIONS Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Maximum Maximum [Member] Roofing Roofing [Member] Roofing Segment Marketing and Administrative Expense General and Administrative Expense [Member] Weighted average useful life Finite-Lived Intangible Asset, Useful Life Net loss from discontinued operations attributable to Owens Corning, net of tax Net Income (Loss) Attributable to Noncontrolling Interest Property, plant and equipment, additions Segment, Expenditure, Addition to Long-Lived Assets Accounting Policies [Abstract] Accounting Policies [Abstract] Pension and other postretirement adjustment Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss) Arising During Period, Tax Remaining number of shares authorized to be repurchased Share Repurchase Program, Remaining Authorized, Number of Shares Net Carrying Amount Finite-Lived Intangible Assets, Net Restricted Stock Restricted Stock [Member] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Combined Repurchase Programs Combined Repurchase Programs [Member] Combination of all outstanding treasury stock repurchase programs authorized by the Company. The repurchase programs authorize the Company to repurchase shares through open market, privately negotiated, or other transactions. Offering period (in months) Share-Based Compensation Arrangement By Share-Based Payment Award, Offering Period Of Shares Purchased Share-Based Compensation Arrangement By Share-Based Payment Award, Offering Period Of Shares Purchased Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Other expense, net Other Expenses, net The net amount of other operating income and expenses, not previously categorized, that are associated with the entity's normal operation Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity Share-Based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Treasury stock Treasury Stock, Common [Member] NET EARNINGS FROM CONTINUING OPERATIONS Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent Non-current liabilities of discontinued operations Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent EARNINGS FROM CONTINUING OPERATIONS BEFORE TAXES Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Masonite International Corporation ("Masonite") Masonite International Corporation ("Masonite") [Member] Masonite International Corporation ("Masonite") Environmental Remediation Site [Domain] Environmental Remediation Site [Domain] Accelerated Depreciation And Inventory Write-Offs Accelerated Depreciation And Inventory Write-Offs [Member] Accelerated Depreciation And Inventory Write-Offs Other liabilities Other Liabilities, Noncurrent Schedule of Long-term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Proceeds from issuance of debt Proceeds from Issuance of Debt Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Operating Segments Operating Segments [Member] Schedule of Cash Flow, Supplemental Disclosures Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Less – current portion Long-Term Debt, Current Maturities Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Company Selected Measure Amount Company Selected Measure Amount Comprehensive loss attributable to non-redeemable and redeemable noncontrolling interests Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Short-term Debt [Abstract] Short-Term Debt [Abstract] Senior Notes Due 2022 [Member] Senior Notes Due 2022 [Member] Senior notes with a 10 year term, due in 2022, with a stated interest rate of 4.2%. COMPREHENSIVE LOSS ATTRIBUTABLE TO OWENS CORNING Comprehensive Income (Loss), Net of Tax, Attributable to Parent Distribution Business Distribution Business [Member] Distribution Business Disposal Group Name [Domain] Disposal Group Name [Domain] Name Measure Name Beginning Balance Ending Balance Restructuring Reserve NET EARNINGS FROM CONTINUING OPERATIONS ATTRIBUTABLE TO OWENS CORNING Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Income (Loss) from Continuing Operations, Net of Tax, Attributable to Parent Current operating lease liabilities Operating Lease, Liability, Current Industry Sector [Domain] Industry Sector [Domain] Fixed interest, percentage rate Long-Term Debt, Percentage Bearing Fixed Interest, Percentage Rate Deferred income taxes Deferred Income Tax Liabilities, Net Document Fiscal Period Focus Document Fiscal Period Focus Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent NET EARNINGS (LOSS) FROM DISCONTINUED OPERATIONS ATTRIBUTABLE TO OWENS CORNING, NET OF TAX Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Pension and Other Postretirement Adjustment Accumulated Defined Benefit Plans Adjustment, Net Transition Including Portion Attributable to Noncontrolling Interest [Member] Settlements/adjustments of warranty claims Standard and Extended Product Warranty Accrual, Decrease for Payments Long-Term Debt [Line Items] Long-Term Debt [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Award Timing Method Award Timing Method [Text Block] Income (Loss) from Continuing Operations, Per Basic Share Income (Loss) from Continuing Operations, Per Basic Share Award Type [Axis] Award Type [Axis] Long-term debt Long-Term Debt Intangible Assets [Line Items] Intangible Assets [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Proceeds from senior revolving credit and receivables securitization facilities Proceeds From Senior Revolving Credit and Receivables Securitization Facilities Proceeds From Senior Revolving Credit and Receivables Securitization Facilities TOTAL ASSETS Total Assets Assets 2027 Finite-Lived Intangible Asset, Expected Amortization, Year One Trading Symbol Trading Symbol Nonoptions, Weighted Average Fair Value, Vested Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Amounts accrued for current year Standard and Extended Product Warranty Accrual, Increase for Warranties Issued Accelerated depreciation and other non-cash items Restructuring Reserve, Accelerated Depreciation And Other Non-Cash Items Restructuring Reserve, Accelerated Depreciation And Other Non-Cash Items Restructuring Reserve, Accelerated Depreciation And Other Non-Cash Items Geographical [Domain] Geographical [Domain] Interest Expense, Long-Term Debt Interest Expense, Long-Term Debt Issuance of common stock under share-based payment plans (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Entity Address, City or Town Entity Address, City or Town European Operating Structure Optimization European Operating Structure Optimization [Member] European Operating Structure Optimization NET CASH FLOW PROVIDED BY OPERATING ACTIVITIES Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Effect of exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Concentration Risk Type [Axis] Concentration Risk Type [Axis] INVENTORIES Inventory Disclosure [Text Block] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Statement of Income Location, Balance [Domain] Statement of Income Location, Balance [Domain] Severance Costs Severance Costs Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Restructuring costs Restructuring Costs Restructuring Costs 2030 Finite-Lived Intangible Asset, Expected Amortization, Year Four Entity Emerging Growth Company Entity Emerging Growth Company Dividend (dollars per share) Common Stock, Dividends, Per Share, Declared Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Right-of-use assets acquired under operating leases Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Intangible Assets by Major Class [Axis] Intangible Assets by Major Class [Axis] The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table. Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Supplier Finance Programs [Roll Forward] Supplier Finance Programs [Roll Forward] Supplier Finance Programs Restructuring Reserve Roll Forward Restructuring Reserve [Roll Forward] Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Business Combination [Domain] Business Combination [Domain] Indefinite-Lived Intangible Assets (Excluding Goodwill) Indefinite-Lived Intangible Assets (Excluding Goodwill) Insulation Insulation [Member] Insulation Segment Related Party Related Party [Member] Common stock outstanding (shares) Common stock, beginning balance (in shares) Common stock, ending balance (in shares) Common Stock, Shares, Outstanding Plan Name [Axis] Plan Name [Axis] PEO PEO [Member] Severance Employee Severance [Member] United States UNITED STATES Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Schedule of Product Warranty Liability Schedule of Product Warranty Liability [Table Text Block] Nature of Operation, Product Information, Concentration of Risk [Table] Nature of Operation, Product Information, Concentration of Risk [Table] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Expected volatility rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Accumulated earnings Retained Earnings [Member] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Share-Based Payment Arrangement [Abstract] Cash, cash equivalents and restricted cash at beginning of period Cash, cash equivalents and restricted cash at end of period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Income tax expense Income Tax Expense (Benefit) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, Tax Restricted Stock Awards and Restricted Stock Units Restricted Stock Awards and Restricted Stock Units [Member] Restricted Stock Awards and Restricted Stock Units Noncash or Part Noncash Divestiture, Amount of Consideration Received Noncash or Part Noncash Divestiture, Amount of Consideration Received Preferred stock issued (shares) Preferred Stock, Shares Issued Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Product and Service [Domain] Product and Service [Domain] Business Divestitures [Table] Business Divestitures [Table] A table that contains information regarding the sale of an asset or business. Customer Concentration Risk Customer Concentration Risk [Member] Deferred gain (loss) on hedging transactions (net of tax) Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Property, plant, and equipment, gross Property, Plant and Equipment, Gross Income (Loss) from Continuing Operations, Per Diluted Share Income (Loss) from Continuing Operations, Per Diluted Share Acquisition-Related Costs, Integration Acquisition-Related Costs, Integration [Member] Acquisition-Related Costs, Integration NET LOSS Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Notional amount Derivative, Notional Amount Discontinued Operations and Disposal Groups [Abstract] Discontinued Operations and Disposal Groups [Abstract] RESTRUCTURING, ACQUISITION AND DIVESTITURE-RELATED COSTS Restructuring and Related Activities Disclosure [Text Block] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] Disposal Group, Including Discontinued Operation, Other Expense (Income), Net Disposal Group, Including Discontinued Operation, Other Expense (Income), Net Disposal Group, Including Discontinued Operation, Other Expense (Income), Net City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Second Customer Second Customer [Member] Second Customer Nonoptions, Number, Beginning Balance Nonoptions, Number, Ending Balance Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment, after Tax Doors Doors [Member] Doors NET CASH FLOW USED FOR INVESTING ACTIVITIES Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Schedule of Property, Plant and Equipment by Geographical Areas Schedule of Property, Plant and Equipment by Geographical Areas [Table Text Block] Tabular disclosure of information concerning the value of property, plant and equipment located in countries or regions from which the amount is material. An entity may also provide subtotals of geographic information about groups of countries. 9.00% senior notes, net of discount and financing fees, due 2019 Senior Notes Due 2019 [Member] Senior notes with a 10 year term, due in 2019, with a stated interest rate of 9%. Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash flow used for operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Term (in years) Debt Instrument, Term Preferred Stock, par value (dollars per share) Preferred Stock, Par or Stated Value Per Share Subsequent Event Subsequent Event [Member] Cost of sales Cost of Sales [Member] Due to related party supplier Other Liabilities Goodwill Goodwill, net Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Doors Trade Name Doors Trade Name [Member] Doors Trade Name Equity Components [Axis] Equity Components [Axis] Property Plant And Equipment [Line Items] Property, Plant and Equipment [Line Items] Pension plan liability Liability, Defined Benefit Pension Plan, Noncurrent Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Number of reportable segments Number of Reportable Segments Movement In Standard And Extended Product Warranty Increase Decrease [Roll Forward] Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] Equity, Treasury Stock Repurchase Programs [Axis] Equity, Treasury Stock Repurchase Programs [Axis] Group of repurchase programs authorizing the company to purchase common stock to be held in treasury. Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Goodwill, Impaired, Accumulated Impairment Loss Goodwill, Impaired, Accumulated Impairment Loss Goodwill, Impaired, Accumulated Impairment Loss Other Performance Measure, Amount Other Performance Measure, Amount Currency translation adjustment (Loss) gain on foreign currency translation Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Entity Address, State or Province Entity Address, State or Province Finance lease payments Cash paid for finance leases for financing activities Finance Lease, Principal Payments Other employee benefits liability Liability, Other Postretirement Defined Benefit Plan, Noncurrent Antidilutive Security, Excluded EPS Calculation [Table] Antidilutive Security, Excluded EPS Calculation [Table] Disposal Group, Including Discontinued Operation, Assets, Noncurrent Non-current assets of discontinued operations Disposal Group, Including Discontinued Operation, Assets, Noncurrent Senior Notes, Fair Value Disclosure, Par Value Senior Notes, Fair Value Disclosure, Par Value Senior Notes, Fair Value Disclosure, Par Value Euros Euro Member Countries, Euro Related and Nonrelated Parties [Domain] Related and Nonrelated Parties [Domain] Dividends Dividends Total current liabilities Liabilities, Current Other Current Liabilities Other Current Liabilities [Member] Commercial and Industrial Sector Commercial and Industrial Sector [Member] Building Materials Business Exit Building Materials Business Exit [Member] Building Materials Business Exit Cumulative charges incurred Restructuring and Related Cost, Cost Incurred to Date Derivative Instrument Risk [Axis] Derivative Instrument [Axis] Individual: Individual [Axis] Restricted Cash Restricted Cash Vesting [Axis] Vesting [Axis] First Customer First Customer [Member] First Customer Additional assets transferred Disposal Group, Including Discontinued Operation, Additional Assets Disposal Group, Including Discontinued Operation, Additional Assets Disposal Group, Including Discontinued Operation, Income Tax Expense (Benefit) Disposal Group, Including Discontinued Operation, Income Tax Expense (Benefit) Disposal Group, Including Discontinued Operation, Income Tax Expense (Benefit) Right-of-use assets acquired under finance leases Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Other current assets Other Assets, Current Employee Stock Purchase Plan Employee Stock Purchase Plan [Member] Senior Notes Due 2030 ("Owens Corning 2030 Notes") Senior Notes Due 2030 ("Owens Corning 2030 Notes") [Member] Senior Notes Due 2030 ("Owens Corning 2030 Notes") Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Net cash flow used for investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] Gain (Loss) on Disposition of Business Gain (Loss) on Disposition of Business Document Fiscal Year Focus Document Fiscal Year Focus Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Treasury Stock Repurchase Programs [Domain] Treasury Stock Repurchase Programs [Domain] Listing of treasury stock repurchase programs. Treasury stock repurchase programs authorize the company to repurchase common stock and hold it in treasury. Payments on long-term debt Repayments of Long-Term Debt Effective tax rate Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Supplemental Cash Flow Information [Table] Supplemental Cash Flow Information [Table] Supplemental Cash Flow Information [Table] Plan Name [Domain] Plan Name [Domain] Acquisition related costs Business Combination, Acquisition-Related Cost, Expense OWENS CORNING STOCKHOLDERS’ EQUITY Equity [Abstract] North America North America [Member] Disclosure of Share-based Compensation Expense Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Goodwill [Table] Goodwill [Table] Acquisition-Related Restructuring Acquisition-Related Restructuring [Member] Acquisition-Related Restructuring Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Long-term debt - current portion Long-Term Debt and Lease Obligation, Current Trademarks Trademarks [Member] WARRANTIES Product Warranty Disclosure [Text Block] Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Increase Decrease In Stockholders Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Business Divestitures [Abstract] Business Divestitures [Abstract] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] CHANGES IN ACCUMULATED OTHER COMPREHENSIVE DEFICIT Comprehensive Income (Loss) Note [Text Block] Net earnings attributable to non-redeemable noncontrolling interests Net Income (Loss) Attributable to Nonredeemable Noncontrolling Interest Number of shares authorized to be repurchased Share Repurchase Program, Authorized, Number of Shares Disposal Group, Including Discontinued Operation, Costs of Goods Sold Disposal Group, Including Discontinued Operation, Costs of Goods Sold Amortization of intangible assets Amortization of Intangible Assets Commercial Paper Commercial Paper Accelerated depreciation Accelerated Depreciation [Member] Accelerated Depreciation [Member] Selling, General and Administrative Expense Selling, General and Administrative Expense Deferred income taxes Deferred Income Tax Assets, Net Deferred Income Tax Assets, Net Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Cash paid for property, plant and equipment Payments to Acquire Productive Assets Senior Notes Due 2027 Senior Notes Due 2027 [Member] Senior Notes Due 2027 Depreciation and amortization Depreciation, Depletion and Amortization Other non-current assets Other Assets, Noncurrent Customer [Domain] Customer [Domain] Entity Central Index Key Entity Central Index Key Total Segments Total Segments [Member] DIVESTITURES Business Divestitures, Disclosure [Text Block] The entire disclosure for the facts and circumstances surrounding the sale of an asset or business, including the manner and timing of disposal, the gain (loss) recognized in the income statement and the income statement caption that includes that gain (loss), amounts of revenues and pretax profit or loss reported in discontinued operations, the segment in which the disposal group was reported, and the carrying value of the assets and liabilities comprising the disposal group. Includes all disposal groups, including those classified as components of the entity (discontinued operations). PEO Name PEO Name Payments for repurchase of equity Payments for Repurchase of Equity Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] Impairment Loss, Joint Venture Impairment Loss, Joint Venture Impairment Loss, Joint Venture Finished goods Inventory, Finished Goods, Gross Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Arrangement Duration Trading Arrangement Duration Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Materials and supplies Inventory, Raw Materials and Supplies, Gross Segments [Axis] Segments [Axis] Segments [Axis] Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] United states federal statutory income tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent Europe Europe [Member] Other Payment for (Proceeds from) Other Investing Activity Subsequent Event Type [Axis] Subsequent Event Type [Axis] Confirmed invoices paid during the year Payments to Suppliers STOCK COMPENSATION Share-Based Payment Arrangement [Text Block] Disposal Group, Including Discontinued Operation, Consideration Disposal Group, Including Discontinued Operation, Consideration Expected cost Restructuring and Related Cost, Expected Cost ASSETS Assets [Abstract] Long-term debt, net of current portion Long-Term Debt, Excluding Current Maturities Underlying Security Market Price Change Underlying Security Market Price Change, Percent Statement of Financial Position Location, Balance [Axis] Statement of Financial Position Location, Balance [Axis] 2029 Finite-Lived Intangible Asset, Expected Amortization, Year Three Vesting [Domain] Vesting [Domain] Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents Nonoptions, Weighted Average Fair Value, Forfeited Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Grants in period fair value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Total Fair Value The total fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan). Gross Carrying Amount Finite-Lived Intangible Assets, Gross Senior Notes 2 At 3.500%, Due 2030 Senior Notes 2 At 3.500%, Due 2030 [Member] Senior Notes 2 At 3.500%, Due 2030 Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Commercial Paper, Maximum Borrowing Capacity Commercial Paper, Maximum Borrowing Capacity Commercial Paper, Maximum Borrowing Capacity Entity Address, Address Line One Entity Address, Address Line One Precious metals percentage Precious Metals Percentage The percentage of machinery and equipment that relates to precious metals used in production tooling. Purchase of treasury stock Treasury Stock, Value, Acquired, Cost Method Science and technology expenses Research and Development Expense AOCI AOCI Attributable to Parent [Member] Receivables, less allowance Accounts Receivable, Allowance for Credit Loss, Current Non-current operating lease liabilities Operating Lease, Liability, Noncurrent Acquisition-related Restructuring Global Composites Restructuring [Member] Global Composites Restructuring Technology Technology [Member] Technology-based intangible assets such as innovations or scientific advances, patented and unpatented. Building Materials Business Building Materials Business [Member] Building Materials Business Industry Sector [Axis] Industry Sector [Axis] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Cash received upon settlement Derivative Asset, Cash Received Upon Settlement Of Agreement Derivative Asset, Cash Received Upon Settlement Of Agreement Disposal Group, Including Discontinued Operation, Provision For Loss on Discontinued Operations Disposal Group, Including Discontinued Operation, Provision For Loss on Discontinued Operations Disposal Group, Including Discontinued Operation, Provision For Loss on Discontinued Operations Fair Value as of Grant Date Award Grant Date Fair Value Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Senior Notes Due 2034 Senior Notes Due 2034 [Member] Senior Notes Due 2034 Schedule of Long-term Debt Instruments Schedule of Long-Term Debt Instruments [Table Text Block] 3.950% senior notes, net of discount and financing fees, due 2029 Senior Notes, Due 2029 [Member] Senior Notes, Due 2029 Nonoptions, Number, Grants In Period Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Payment Of Premium On Long-Term Debt Payment Of Premium On Long-Term Debt Payment Of Premium On Long-Term Debt Roofing Integration Restructuring Roofing Integration Restructuring [Member] Roofing Integration Restructuring Nonoptions, Number, Forfeited In Period Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Total unrecognized compensation cost related to restricted stock Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Document Quarterly Report Document Quarterly Report 7.000% senior notes, net of discount and financing fees, due 2036 Senior Notes Due 2036 [Member] Senior notes with a 30 year term, due in 2039, with a stated interest rate of 7%. Deferred income taxes Deferred Income Taxes and Tax Credits Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Machinery and Equipment Machinery and Equipment [Member] Nonoptions, Weighted Average Fair Value, Grants in Period Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Related and Nonrelated Parties [Axis] Related and Nonrelated Parties [Axis] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Disposal Group, Including Discontinued Operation, Other Liabilities, Current Disposal Group, Including Discontinued Operation, Other Liabilities, Current Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Restatement Determination Date: Restatement Determination Date [Axis] Issuance of common stock under share-based payment plans Shares Issued, Value, Share-Based Payment Arrangement, after Forfeiture Non-PEO NEO Non-PEO NEO [Member] Accounts Receivable Accounts Receivable [Member] Rest of World Rest of World [Member] Rest of World [Member] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] Senior Notes Due 2028 ("Masonite 2028 Notes") Senior Notes Due 2028 ("Masonite 2028 Notes") [Member] Senior Notes Due 2028 ("Masonite 2028 Notes") Other Proceeds from (Payment for) Other Financing Activity Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Other Other Intangible Assets [Member] All Currencies [Domain] All Currencies [Domain] Land Land [Member] Name Trading Arrangement, Individual Name Equity Award [Domain] Award Type [Domain] Noncontrolling interests Equity, Attributable to Noncontrolling Interest Equity Awards Adjustments Equity Awards Adjustments [Member] Other adjustments to reconcile net earnings to cash from operating activities Other Noncash Income (Expense) Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Discontinued Operations, Disposed of by Sale Discontinued Operations, Disposed of by Sale [Member] Compensation Amount Outstanding Recovery Compensation Amount Face amount Debt Instrument, Face Amount Schedule of Intangible Assets by Major Class [Line Items] Schedule of Intangible Assets by Major Class [Line Items] Schedule of Intangible Assets by Major Class [Line Items] Stock Plan 2023 Stock Plan 2023 [Member] Stock Plan 2023 Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Contract with customer, liability, revenue recognized Contract with Customer, Liability, Revenue Recognized Share Repurchase Program [Axis] Share Repurchase Program [Axis] Unusual or Infrequent Item, or Both [Line Items] Unusual or Infrequent Item, or Both [Line Items] CHINA CHINA MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] Decrease in purchase price Disposal Group, Including Discontinued Operation, Consideration, Increase (Decrease) Disposal Group, Including Discontinued Operation, Consideration, Increase (Decrease) Name Awards Close in Time to MNPI Disclosures, Individual Name AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Nonoptions, Weighted Average Fair Value, Beginning Balance Nonoptions, Weighted Average Fair Value, Ending Balance Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Payments Payments for Restructuring Restructuring Type [Axis] Restructuring Type [Axis] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Employee Stock Employee Stock [Member] 2025 Repurchase Authorization 2025 Repurchase Authorization [Member] 2025 Repurchase Authorization Cash Equivalents, at Carrying Value Cash Equivalents, at Carrying Value Stock-based compensation expense APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Cost of common stock in treasury Treasury Stock, Value Accumulated other comprehensive deficit Accumulated Other Comprehensive Income (Loss), Net of Tax Long-term debt, net of current portion Long-Term Debt and Lease Obligation Goodwill, gross, beginning balance Goodwill, gross, ending balance Goodwill, Gross Disposal Group, Including Discontinued Operation, Other Assets, Current Disposal Group, Including Discontinued Operation, Other Assets, Current AOCI Including Portion Attributable to Noncontrolling Interest AOCI Including Portion Attributable to Noncontrolling Interest [Member] 4.400% senior notes, net of discount and financing fees, due 2048 4.400% senior notes, net of discount and financing fees, due 2048 Senior Note 2048 [Member] Senior Note 2048 [Member] Segments [Domain] Segments [Domain] Statement of Income Location, Balance [Axis] Statement of Income Location, Balance [Axis] Performance Shares Performance Shares [Member] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Environmental Remediation Site [Axis] Environmental Remediation Site [Axis] Statement of Financial Position Location, Balance [Domain] Statement of Financial Position Location, Balance [Domain] Inventories Total inventories Inventory, Net Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Minimum Minimum [Member] Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Company Selected Measure Name Company Selected Measure Name DEBT Debt Disclosure [Text Block] Preferred stock, par value $0.01 per share Preferred Stock, Value, Issued Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Cash paid for operating leases Operating Lease, Payments Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] Discontinued Operations Discontinued Operations [Member] All Executive Categories All Executive Categories [Member] Business Acquisition, Percentage Of Long-Term Debt Tendered Business Acquisition, Percentage Of Long-Term Debt Tendered Business Acquisition, Percentage Of Long-Term Debt Tendered Text Block [Abstract] Common stock, par value $0.01 per share Common Stock, Value, Issued Employee Severance And Other Exit Costs Employee Severance And Other Exit Costs [Member] Employee Severance And Other Exit Costs Restructuring Plan [Domain] Restructuring Plan [Domain] Gross Goodwill [Roll Forward] Goodwill [Roll Forward] Operating Activities [Domain] Operating Activities [Domain] CONTINGENT LIABILITIES AND OTHER MATTERS Commitments and Contingencies Disclosure [Text Block] Business Divestitures [Line Items] Business Divestitures [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Disposal Group, Including Discontinued Operation, Revenue Disposal Group, Including Discontinued Operation, Revenue Weighted-average number of shares outstanding and common equivalent shares used for diluted earnings per share Weighted Average Number of Shares Outstanding, Diluted Other Comprehensive Income (Loss), Derivatives Qualified as Hedges, Net of Tax Other Comprehensive Income (Loss), Derivatives Qualified as Hedges, Net of Tax Other Comprehensive Income (Loss), Derivatives Qualified as Hedges, Net of Tax Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Business Combination [Axis] Business Combination [Axis] TOTAL COMPREHENSIVE LOSS Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] NCI Noncontrolling Interest [Member] Preferred stock outstanding (shares) Preferred Stock, Shares Outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Undistributed Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Undistributed Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Undistributed Document Transition Report Document Transition Report General Accounting Standards Update and Change in Accounting Principle [Text Block] Underlying Securities Award Underlying Securities Amount Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount INCOME TAXES Income Tax Disclosure [Text Block] Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, Net of Tax Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Total equity Beginning balance Ending balance Equity, Including Portion Attributable to Noncontrolling Interest Senior Revolving Credit Facility B Senior Revolving Credit Facility B [Member] The $800 million multi-currency senior revolving credit facility with a 4 year term dated May 26, 2010. Disposal Group, Including Discontinued Operation, Goodwill Disposal Group, Including Discontinued Operation, Goodwill Disposal Group, Including Discontinued Operation, Inventory Disposal Group, Including Discontinued Operation, Inventory Document Type Document Type Reconciliation of Assets from Segment to Consolidated Reconciliation of Assets from Segment to Consolidated [Table Text Block] EARNINGS PER SHARE Earnings Per Share [Text Block] Name Outstanding Recovery, Individual Name Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent Additional paid-in capital Additional Paid in Capital Pension and other postretirement adjustment (net of tax of $0 and $0 for the three months ended March 31, 2026 and 2025, respectively) Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Product and Service [Axis] Product and Service [Axis] Derivative Contract Type [Domain] Derivative Contract [Domain] Number of intangible assets at increased risk of impairment Number Of Intangible Assets At Increased Risk Of Impairment Number Of Intangible Assets At Increased Risk Of Impairment NET SALES Net sales Revenue from Contract with Customer, Excluding Assessed Tax Schedule of Intangible Assets by Major Class [Table] Schedule of Intangible Assets by Major Class [Table] Tabular disclosure of amortizable intangibles assets and intangible assets not subject to amortization, in total and by major class, including the gross carrying amount and accumulated amortization. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Supplier Finance Programs Obligations, Current Confirmed obligations outstanding at the beginning of the year Confirmed obligations outstanding at the end of the year Supplier Finance Programs Obligations, Current Supplier Finance Programs Obligations, Current All Individuals All Individuals [Member] Long-term Debt, Type [Domain] Long-Term Debt, Type [Domain] Disposal Group, Including Discontinued Operation, General and Administrative Expense Disposal Group, Including Discontinued Operation, General and Administrative Expense Name Forgone Recovery, Individual Name Total current assets Assets, Current Range [Axis] Statistical Measurement [Axis] Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested Year-over-Year Change in Fair Value of Equity Awards Granted in Prior Years That are Outstanding and Unvested [Member] Restructuring cost Restructuring cost Restructuring cost Disposal Group Classification [Axis] Disposal Group Classification [Axis] Loss Contingency Accrual Loss Contingency Accrual Number Of Manufacturing Facilities Number Of Manufacturing Facilities Number Of Manufacturing Facilities Debt, Weighted Average Interest Rate Debt, Weighted Average Interest Rate Foreign currency translation Goodwill, Impaired, Foreign Currency Translation Gain (Loss) Goodwill, Impaired, Foreign Currency Translation Gain (Loss) Disposal Group, Including Discontinued Operation, Payments to Acquire Productive Assets Disposal Group, Including Discontinued Operation, Payments to Acquire Productive Assets Disposal Group, Including Discontinued Operation, Payments to Acquire Productive Assets Aggregate Erroneous Compensation Amount Aggregate Erroneous Compensation Amount Disposal Group Name [Axis] Disposal Group Name [Axis] Foreign currency translation Goodwill, Foreign Currency Translation, Gain (Loss) Debt, Weighted Average Maturity Period Debt, Weighted Average Maturity Period Debt, Weighted Average Maturity Period Peer Group Issuers, Footnote Peer Group Issuers, Footnote [Text Block] Disposal Group, Including Discontinued Operation, Other Liabilities Disposal Group, Including Discontinued Operation, Other Liabilities Various finance leases, due through 2036 Capital Lease Obligations [Member] Erroneous Compensation Analysis Erroneous Compensation Analysis [Text Block] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Acquisition-Related Restructuring, Aldergrove Acquisition-Related Restructuring, Aldergrove [Member] Acquisition-Related Restructuring, Aldergrove CURRENT LIABILITIES Liabilities, Current [Abstract] Geographical [Axis] Geographical [Axis] Amortized portion part of interest expense for future issuance of debt Derivative Asset, Portion Amortized As Interest Expense Derivative Asset, Portion Amortized As Interest Expense Other Increase (Decrease) in Other Operating Assets and Liabilities, Net Total operating expenses Operating Expenses Rule 10b5-1 Arrangement Terminated Rule 10b5-1 Arrangement Terminated [Flag] Employee emergence equity program expense Employee emergence equity program expense The total cost of shares issued to employees upon emergence from Chapter 11 proceedings, including both the recognition of the fair value of the shares over the requisite service period and any applicable company payroll taxes. Pension and other postretirement adjustment (net of tax) Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax and Reclassification Adjustment, Attributable to Parent Owned or Formerly Owned Sites Owned or Fomerly Owned Sites [Member] Owned or Fomerly Owned Sites [Member] Asia Pacific Asia Pacific [Member] Diluted (dollars per share) Diluted (dollars per share) Earnings Per Share, Diluted Cost, Depreciation and Amortization Cost, Depreciation and Amortization Hedging Indices [Domain] Hedging Indices [Domain] [Domain] for Hedging Indices [Axis] Erroneously Awarded Compensation Recovery Erroneously Awarded Compensation Recovery [Table] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Undistributed, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Undistributed, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Undistributed, Weighted Average Grant Date Fair Value Residential Residential [Member] Residential [Member] Concentration Risk Benchmark [Domain] Concentration Risk Benchmark [Domain] Title of 12(b) Security Title of 12(b) Security Supplemental Cash Flow Information [Line Items] Supplemental Cash Flow Information [Line Items] Supplemental Cash Flow Information [Line Items] Other Expense [Member] Other Expense [Member] Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Gains On Exchange Of Certain Precious Metals Gains On Exchange Of Certain Precious Metals Gains On Exchange Of Certain Precious Metals Treasury stock (shares) Treasury stock, beginning balance (in shares) Treasury stock, ending balance (in shares) Treasury Stock, Common, Shares EARNINGS PER COMMON SHARE ATTRIBUTABLE TO OWENS CORNING COMMON STOCKHOLDERS Earnings Per Share [Abstract] Non-operating income Pension and Other Postretirement Benefits Cost (Reversal of Cost) Restructuring Plan [Axis] Restructuring Plan [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Superfund Sites Superfund Sites [Member] Superfund Sites [Member] Tariff Payments, Eligible for Refund International Emergency Economic Powers Act, Tariff Payments, Eligible for Refund International Emergency Economic Powers Act, Tariff Payments, Eligible for Refund Unusual or Infrequent Item, or Both [Table] Unusual or Infrequent Item, or Both [Table] Gross margin Gross Profit Disposal Group, Including Discontinued Operation, Loss from classification as held for sale Disposal Group, Including Discontinued Operation, Loss from classification as held for sale Disposal Group, Including Discontinued Operation, Loss from classification as held for sale Divestiture Goodwill, Written off Related to Sale of Business Unit Disposal Group, Including Discontinued Operation, Deferred Tax Assets, Deferred Income Disposal Group, Including Discontinued Operation, Deferred Tax Assets, Deferred Income Disposal Group, Including Discontinued Operation, Deferred Tax Assets, Deferred Income Income Taxes Paid, Net Income Taxes Paid, Net Purchase of treasury stock (in shares) Treasury Stock, Shares, Acquired 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Two Award Timing Disclosures [Line Items] Net proceeds from commercial paper Proceeds from Issuance of Commercial Paper Schedule of Inventory, Current Schedule of Inventory, Current [Table Text Block] Disposal Group, Including Discontinued Operation, Assets, Current Current assets of discontinued operations Disposal Group, Including Discontinued Operation, Assets, Current PROPERTY, PLANT AND EQUIPMENT Property, Plant and Equipment Disclosure [Text Block] Schedule of Additions to Property, Plant and Equipment by Segment Schedule of Additions to Property, Plant and Equipment by Segment [Table Text Block] Tabular disclosure of information concerning the total additions to property, plant and equipment attributed to each reportable segment. Performance Stock Units (PSUs) 2018 Performance Stock Units (PSUs) 2018 [Member] Performance Stock Units (PSUs) 2018 [Member] Dividends distributed to non-redeemable noncontrolling interests Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Gain (Loss) on Derivative Instruments, Net, Pretax Gain (Loss) on Derivative Instruments, Net, Pretax NET LOSS Net Income (Loss) Attributable to Parent CONSOLIDATED STATEMENTS OF EARNINGS Net Income (Loss) Attributable to Parent Intersegment Eliminations Intersegment Eliminations [Member] Expiration Date Trading Arrangement Expiration Date Environmental liability sites Environmental Liability Sites Number of sites where there is a continuing legal obligation to either complete remedial actions or contribute to the completion of remedial actions regarding environmental matters. Gain/(Loss) on discontinued operations Disposal Group, Discontinued Operation, Gain (Loss) on Disposal Disposal Group, Discontinued Operation, Gain (Loss) on Disposal Construction in Progress Construction in Progress [Member] Senior Notes Due 2054 Senior Notes Due 2054 [Member] Senior Notes Due 2054 2031 Finite-Lived Intangible Asset, Expected Amortization, Year Five Related part expenses Related Party Transaction, Amounts of Transaction Product Information [Line Items] Product Information [Line Items] Schedule of Effective Income Tax Rate Reconciliation Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Award vesting period (in years) Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Disposal Group, Including Discontinued Operation, Interest Expense Disposal Group, Including Discontinued Operation, Interest Expense Inventory Recall Expense Inventory Recall Expense Property, plant and equipment, net Property, plant and equipment, net Property, Plant and Equipment, Net Charges related to cost reduction actions Restructuring Charges Restructuring Charges Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Preferred stock authorized (shares) Preferred Stock, Shares Authorized Purchases of treasury stock Payments for Repurchase of Common Stock Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] General Corporate Expense General Corporate Expense Expenses related to general corporate activities. These costs are not included in earnings before interest and taxes for reportable segments. Restructuring Cost [Table] Restructuring Cost [Table] Entity Current Reporting Status Entity Current Reporting Status Acquisition-Related Restructuring, Prineville Acquisition-Related Restructuring, Prineville [Member] Acquisition-Related Restructuring, Prineville Customer [Axis] Customer [Axis] Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Customer Relationships Customer Relationships [Member] OPERATING INCOME Operating Income (Loss) Accumulated earnings Retained Earnings (Accumulated Deficit) Schedule of Earnings before Taxes Schedule of Earnings before Taxes [Table Text Block] Schedule of Earnings before Taxes Currency Translation Adjustment Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Foreign Exchange Forward Foreign Exchange Forward [Member] Repayments Repayments of Debt Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Performance-Based Units, Vested and Expected to Vest Share-Based Compensation Arrangements by Share-Based Payment Award, Performance-Based Units, Vested and Expected to Vest [Table Text Block] Interest expense, net Interest expense, net Interest Expense, Operating and Nonoperating Current Fiscal Year End Date Current Fiscal Year End Date Expected term Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Subsequent Event Type [Domain] Subsequent Event Type [Domain] Senior Notes Due 2030 ("Masonite 2030 Notes") Senior Notes Due 2030 ("Masonite 2030 Notes") [Member] Senior Notes Due 2030 ("Masonite 2030 Notes") Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Payments for other employee benefits liabilities Payment for Other Postretirement Benefits Disposal Group, Including Discontinued Operation, Liabilities, Current Current liabilities of discontinued operations Disposal Group, Including Discontinued Operation, Liabilities, Current Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Roll Forward] Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Number of shares available for grant Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Statement [Table] Statement [Table] Purchase price, percentage of market value Share-Based Compensation Arrangement by Share-Based Payment Award, Maximum Employee Subscription Rate Disposal Group, Including Discontinued Operation, Accounts Payable Disposal Group, Including Discontinued Operation, Accounts Payable Adjustments to reconcile net losses to cash used for operating activities: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] NET CASH FLOW PROVIDED BY FINANCING ACTIVITIES Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Grants, weighted average grant date fair value Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Gains on sale of certain precious metals Gains On Sale Of Certain Precious Metals Gains On Sale Of Certain Precious Metals Gains On Sale Of Certain Precious Metals Total operating expenses Disposal Group, Including Discontinued Operation, Operating Expense Receivables, Net, Current Receivables, Net, Current Contract with customer, liability Contract with Customer, Liability Antidilutive securities excluded from computation of earnings per share amount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Earnings Before Interest, Taxes, Depreciation and Amortization Earnings Before Interest, Taxes, Depreciation and Amortization Earnings Before Interest, Taxes, Depreciation and Amortization The net result of deducting operating expenses from gross margin before interest expense, income taxes, depreciation, amortization, earnings (loss) from equity method investments, extraordinary items, cumulative effects of changes in accounting principles, and noncontrolling interest. Termination Date Trading Arrangement Termination Date Net cash flow provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Internal Based Performance Metric Internal Based Performance Metric [Member] Internal Based Performance Metric [Member] Proceeds from sale of assets or affiliates Proceeds from Sale of Assets or Affiliates The cash inflow from the sale of businesses, or the sale of long-lived, physical assets that are used in the normal conduct of business to produce goods and services and are not intended for resale. Changes in other operating assets and liabilities Increase (Decrease) in Other Operating Capital Increase (Decrease) in Other Operating Capital 3.400% senior notes, net of discount and financing fees, due 2026 senior notes due 2026 [Member] senior notes due 2026 [Member] Basic (in shares) Weighted Average Number of Shares Outstanding, Basic Property, Plant and Equipment, Type [Domain] Long-Lived Tangible Asset [Domain] SUPPLEMENTAL CASH FLOW INFORMATION Cash Flow, Supplemental Disclosures [Text Block] COST OF SALES Cost of Product and Service Sold Acquisition-Related Restructuring, Greenville Acquisition-Related Restructuring, Greenville [Member] Acquisition-Related Restructuring, Greenville Disposal Group Classification [Domain] Disposal Group Classification [Domain] Schedule of Earnings Per Share, Basic and Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Less – current portion of senior notes Senior Notes, Current Schedule of Share-Based Payment Award, Equity Instruments Other Than Options, Valuation Assumptions Schedule of Share-Based Payment Award, Equity Instruments Other Than Options, Valuation Assumptions [Table Text Block] Schedule of Share-Based Payment Award, Equity Instruments Other Than Options, Valuation Assumptions Accumulated Impairment Loss [Roll Forward] Goodwill, Impaired, Accumulated Impairment [Roll Forward] Goodwill, Impaired, Accumulated Impairment Performance Stock Units (PSUs) Performance Stock Units (PSUs) [Member] Performance Stock Units (or PSUs) awarded by a company to their employees as a form of incentive compensation. Segment Reporting [Abstract] Segment Reporting [Abstract] Notes payable, fair value Notes Payable, Fair Value Disclosure, Par Value Notes Payable, Fair Value Disclosure, Par Value Fair value disclosure of the trading value of the Company's outstanding senior notes payable in relation to par as of the balance sheet date. Pay vs Performance Disclosure, Table Pay vs Performance [Table Text Block] Debt Disclosure [Abstract] Debt Disclosure [Abstract] Forgone Recovery due to Violation of Home Country Law, Amount Forgone Recovery due to Violation of Home Country Law, Amount Risk free interest rate Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Entity Tax Identification Number Entity Tax Identification Number Corporate property, plant and equipment, net Corporate Property, Plant and Equipment, Net Tangible assets that are held at the corporate level by an entity for use in the production or supply of goods and services, for rental to others, or for administrative purposes and that are expected to provide economic benefit for more than one year; net of accumulated depreciation. Examples include land, buildings, machinery and equipment, and other types of furniture and equipment including, but not limited to, office equipment, furniture and fixtures, and computer equipment and software. Acquisition-Related Restructuring, Mesquite Acquisition-Related Restructuring, Mesquite [Member] Acquisition-Related Restructuring, Mesquite Interest Paid, Including Capitalized Interest, Operating and Investing Activities Interest Paid, Including Capitalized Interest, Operating and Investing Activities Hedging Adjustment Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member] Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Forgone Recovery due to Expense of Enforcement, Amount Forgone Recovery due to Expense of Enforcement, Amount Share Based Compensation Arrangement By Share Based Payment Award [Line Items] Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Common stock, par value (dollars per share) Common Stock, Par or Stated Value Per Share Common stock issued (shares) Common Stock, Shares, Issued Senior Notes 1 At 3.500%, Due 2030 Senior Notes 1 At 3.500%, Due 2030 [Member] Senior Notes 1 At 3.500%, Due 2030 Buildings and Leasehold Improvements Buildings and Leasehold Improvements [Member] Long lived, depreciable structure held for productive use, including office, production, storage and distribution facilities; and long lived, depreciable asset that is an addition or improvement to assets held under a lease arrangement. Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, after Tax Additional Exit Costs Additional Exit Costs [Member] Additional Exit Costs [Member] Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net Disposal Group, Including Discontinued Operation, Accounts, Notes and Loans Receivable, Net GOODWILL AND OTHER INTANGIBLE ASSETS Goodwill and Intangible Assets Disclosure [Text Block] Dividends paid Payments of Dividends Schedule of Goodwill Schedule of Goodwill [Table Text Block] Trading Arrangement: Trading Arrangement [Axis] Total Shareholder Return Amount Total Shareholder Return Amount Currency translation adjustment (net of tax of $0 and $0 for the three months ended March 31, 2026 and 2025, respectively) Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Insider Trading Arrangements [Line Items] Segment Reporting, Reconciling Item, Corporate Nonsegment Segment Reporting, Reconciling Item, Corporate Nonsegment [Member] Security Exchange Name Security Exchange Name Reconciliation of Revenue from Segments to Consolidated Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Discontinued Operation Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Discontinued Operation Total liabilities Liabilities Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Currency [Axis] Currency [Axis] Other Nonoperating Income (Expense) Other Nonoperating Income (Expense) [Member] Interest Rate Lock Commitments Interest Rate Lock Commitments [Member] Capital Expenditures Incurred but Not yet Paid Capital Expenditures Incurred but Not yet Paid Borrowing capacity under credit facility Line of Credit Facility, Maximum Borrowing Capacity Pension Adjustments Prior Service Cost Pension Adjustments Prior Service Cost [Member] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-Lived Intangible Assets, Major Class Name [Domain] OPERATING EXPENSES Operating Expenses [Abstract] Material Terms of Trading Arrangement Material Terms of Trading Arrangement [Text Block] Other current liabilities Other Liabilities, Current Cash paid for finance leases for operating activities Payments For Finance Lease, Payments, Operating Activities Payments For Finance Lease, Payments, Operating Activities Trademarks and Trade Names Trademarks and Trade Names [Member] Statement [Line Items] Statement [Line Items] Consolidation Items [Axis] Consolidation Items [Axis] Schedule of Restructuring Reserve by Type of Cost Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Rule 10b5-1 Arrangement Adopted Rule 10b5-1 Arrangement Adopted [Flag] Cash and cash equivalents Cash and Cash Equivalent Common stock Common Stock [Member] Nonoptions, Number, Vested In Period Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Non-NEOs Non-NEOs [Member] Net (decrease) increase in cash, cash equivalents and restricted cash Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Period Increase (Decrease), Including Exchange Rate Effect and Discontinued Operation Weighted Average Number of Shares Outstanding, Diluted, Adjustment Weighted Average Number of Shares Outstanding, Diluted, Adjustment