Environmental Remediation Obligations [Abstract] Reserves for future environmental expenditures - total Accrual for Environmental Loss Contingencies Reserves for future environmental expenditures - noncurrent Accrued Environmental Loss Contingencies, Noncurrent Environmental Remediation Expense Environmental Remediation Expense Segment Reporting [Abstract] SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] Inventory Disclosure [Abstract] Inventories Table Schedule of Inventory, Current [Table Text Block] Restructuring and Related Activities [Abstract] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Cost and Reserve [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Employee severance and job related benefits Employee Severance [Member] Lease and other contract termination costs Contract Termination [Member] Employee relocation costs Employee Relocation Cost [Member] Cost to relocate employees due to restructuring action. Facility exit costs Facility Exit Costs (asset retirement obligations [Member] Restructuring charge acceleration of asset retirement obligations. Write-off of Equipment and Facility Write-off of Equipment and Facility [Member] Write-off of equipment and facility due to restructuring action. Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Accrued restructuring costs Restructuring Reserve Restructuring charges Restructuring Charges Amounts utilized Restructuring and Related Cost, Incurred Cost Income Tax Disclosure [Abstract] INCOME TAXES Income Tax Disclosure [Text Block] Receivables [Abstract] AR Facilities [Table Text Block] AR Facilities [Table Text Block] Tabular disclosure of activity under the accounts receivables factoring arrangements. RESTRUCTURING CHARGES Restructuring and Related Activities Disclosure [Text Block] Other Assets [Abstract] Schedule of Other Assets Schedule of Other Assets [Table Text Block] Investments in non-consolidated affiliates Equity Method Investments Deferred debt issuance costs Debt Issuance Costs, Noncurrent, Net Tax-related receivables Tax-Related Receivable, Noncurrent Noncurrent income tax, value-added tax, and other miscellaneous tax receivables Derivative contracts Hedging Assets, Noncurrent Supply contracts Supply Contracts Amount of other assets in connection with the Ethylene Supply Agreement and expected to be realized. Other Other Assets, Miscellaneous, Noncurrent Other assets Other Assets, Noncurrent 2017 Supply Contract Payment 2017 Supply Contract Payment Additional payments to TDCC related to the supply of Ethylene at producer economics expected to occur in 2017. Long-term Purchase Commitment [Table] Long-term Purchase Commitment [Table] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Long-term Purchase Commitment [Line Items] Long-term Purchase Commitment [Line Items] 2020 Supply Contract Payment 2020 Supply Contract Payment Additional payments to TDCC related to the supply of Ethylene at producer economics expected to occur in 2020. 2020 Supply Contract Payment Total Accretion 2020 Supply Contract Payment Accretion Additional expense that will be recognized related to the accretion of the present value calculation of the 2020 Supply Contract Payment. 2020 Supply Contract Payment Accretion Expense Accretion Expense Amortization of Supply Contracts Amortization of Supply Contracts Amount of amortization recognized in connection with the Ethylene Supply Agreement. Goodwill and Intangible Assets Disclosure [Abstract] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Chlor Alkali Products and Vinyls Segment Chlor Alkali Products and Vinyls Segment [Member] Chlor Alkali Products and Vinyls Segment. Epoxy Segment Epoxy Segment [Member] Epoxy Segment. Goodwill [Line Items] Goodwill [Line Items] Goodwill Goodwill Foreign currency translation adjustment Goodwill, Foreign Currency Translation Gain (Loss) ACCOUNTS RECEIVABLE [Abstract] ACCOUNTS RECEIVABLE [Abstract] Receivables Financing Agreement Term Receivables Financing Agreement Term (in years) The length of the Receivables Financing Agreement term in years. Receivables Financing Agreement Maximum Borrowing Capacity Secured Borrowing Maximum Capacity Maximum capacity under secured borrowing facility to be recognized in the transferor's statement of financial position at the end of each period presented. Receivables Financing Agreement Collateral Transfers Accounted for as Secured Borrowings, Assets, Carrying Amount Receivables Financing Agreement Outstanding Balance Transfers Accounted for as Secured Borrowings, Associated Liabilities, Carrying Amount Receivables Financing Agreement Available Borrowing Capacity Receivables Financing Borrowing Available Capacity Represents the amount of available borrowing capacity under the Receivables Financing Agreement as of the date of the statement of financial position. AR Facilities, Maximum Outstanding Sales Transfer of Financial Assets, Facility Maximum Maximum amount of potential receivables which can be sold under the facility. AR Facilities, Amount Outstanding to be Serviced Continuing Involvement with Derecognized Transferred Financial Assets, Amount Outstanding AR Facilities, Gross Receivables Sold Proceeds from Sale and Collection of Receivables AR Facilities, Payments Received from Customers on Sold Accounts Payments received from customers on sold accounts Payments received from customers on sold accounts receivable. AR Facilities, Interest Expense Gain (Loss) on Sale of Accounts Receivable AR Facilities, Recourse Liability Servicing Liability at Amortized Cost, Balance Schedule of Restructuring Reserve by Type of Cost Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Cumulative Restructuring Charges by Type and Action Restructuring and Related Costs [Table Text Block] Organization, Consolidation and Presentation of Financial Statements [Abstract] DESCRIPTION OF BUSINESS Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Accounts Receivable, Net [Abstract] Allowance for Doubtful Accounts Receivable Schedule of Credit Losses for Financing Receivables, Current [Table Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Allocated Share-based Compensation Expense Allocated Share-based Compensation Expense Mark-to-market adjustments Share Based Compensation Arrangement By Share Based Payment Award Mark To Market Adjustment Adjustment to expense resulting from changes in the market value of underlying common stock in the liabilities associated with employee/director stock options, performance stock awards, restricted stock awards and deferred directors' compensation issued to employees and directors. Total expense Share Based Compensation Arrangement By Share Based Payment Award Total Expense Total equity-based compensation cost during the period with respect to the award, which will be recognized in income (as well as the total recognized tax benefit) or capitalized as part of the cost of an asset. Earnings Per Share [Abstract] EARNINGS PER SHARE Earnings Per Share [Text Block] Unrecognized Tax Benefits Summary of Income Tax Contingencies [Table Text Block] Tax Returns Subject to Examination Summary of Income Tax Examinations [Table Text Block] Commitments and Contingencies Disclosure [Abstract] COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] Supplemental Guarantor Financial Information [Abstract] Supplemental Guarantor Financial Information [Abstract] Supplemental Guarantor Financial Information Balance Sheets [Table] Supplemental Guarantor Financial Information Balance Sheets [Table] Supplemental Guarantor Financial Information Balance Sheets Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Eliminations Consolidation, Eliminations [Member] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Parent Guarantor Parent Company [Member] Issuer Subsidiary Issuer [Member] Subsidiary Non-Guarantor Non-Guarantor Subsidiaries [Member] Supplemental Guarantor Financial Information Balance Sheets [Line Items] Supplemental Guarantor Financial Information Balance Sheets [Line Items] [Line Items] for Supplemental Guarantor Financial Information Balance Sheets Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Receivables, net Receivables, Net, Current Receivables, net Due from Affiliate, Current Income taxes receivable Income Taxes Receivable, Current Inventories, net Inventory, Net Other current assets Other Assets, Current Total current assets Assets, Current Property, plant and equipment, net Property, Plant and Equipment, Net Investment in subsidiaries Investments in and Advance to Affiliates, Subsidiaries, Associates, and Joint Ventures Deferred income taxes Deferred Tax Assets, Net, Noncurrent Other assets Long-term receivables—affiliates Due from Affiliate, Noncurrent Intangible assets, net Intangible Assets, Net (Excluding Goodwill) Total assets Assets Current installments of long-term debt Long-term Debt, Current Maturities Accounts payable Accounts Payable, Current Intercompany payables Due to Affiliate, Current Income taxes payable Accrued Income Taxes, Current Accrued liabilities Accrued Liabilities, Current Total current liabilities Liabilities, Current Long-term debt Long-term Debt, Excluding Current Maturities Accrued pension liability Liability, Defined Benefit Pension Plan, Noncurrent Deferred income taxes Deferred Tax Liabilities, Net, Noncurrent Long-term payables—affiliates Due to Affiliate, Noncurrent Other liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies Commitments and Contingencies Common stock Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital, Common Stock Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Retained earnings Retained Earnings (Accumulated Deficit) Total shareholders’ equity Stockholders' Equity Attributable to Parent Total liabilities and shareholders’ equity Liabilities and Equity Retirement Benefits [Abstract] Statement [Table] Statement [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Axis] Retirement Plan Type [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Domain] Retirement Plan Type [Domain] Pension Benefits Pension Plan [Member] Other Postretirement Benefits Other Postretirement Benefits Plan [Member] Statement [Line Items] Statement [Line Items] Service Cost Defined Benefit Plan, Service Cost Interest Cost Defined Benefit Plan, Interest Cost Expected return on plans' assets Defined Benefit Plan, Expected Return (Loss) on Plan Assets Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Recognized acturial loss Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Net periodic benefit (income) cost Defined Benefit Plan, Net Periodic Benefit Cost (Credit) Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Income taxes receivable Inventories, net Other current assets Property, plant and equipment (less accumulated depreciation of $2,444.2, $2,333.1 and $2,001.1) Other assets Goodwill LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Current installments of long-term debt Accrued liabilities Long-term debt Accrued pension liability Other liabilities Shareholders’ equity: Stockholders' Equity Attributable to Parent [Abstract] Common stock, par value $1 per share: authorized, 240.0 shares; issued and outstanding, 167.2, 167.1 and 165.9 shares Additional paid-in capital Retained earnings Comprehensive Income (Loss), Net of Tax, Attributable to Parent [Abstract] Net income Net Income (Loss) Attributable to Parent Other comprehensive income, net of tax: Other Comprehensive Income (Loss), Net of Tax [Abstract] Foreign currency translation adjustments, net Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Unrealized losses on derivative contracts, net Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Amortization of prior service costs and actuarial losses, net Other Comprehensive (Income) Loss, Defined Benefit Plan, Prior Service Cost (Credit), Reclassification Adjustment from AOCI, after Tax Total other comprehensive income, net of tax Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Components of Net Periodic Benefit (Income) Cost Schedule of Net Benefit Costs [Table Text Block] Stockholders' Equity Note [Abstract] Activity included in accumulated other comprehensive loss table Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] SHAREHOLDERS' EQUITY Stockholders' Equity Note Disclosure [Text Block] Acquisition [Abstract] Acquisition [Abstract] ACQUISITION Business Combination Disclosure [Text Block] Defined Contribution Plan [Abstract] Defined Contribution Plan [Table] Defined Contribution Plan [Table] Defined Contribution Plan Disclosure [Line Items] Defined Contribution Plan Disclosure [Line Items] Contribution To Individual Retirement Account Percentage Of Employees Eligible Compensation Contribution To Individual Retirement Account Percentage Of Employees Eligible Compensation Contribution to an individual retirement account as a percentage of employee's eligible compensation. Defined Contribution Plan, Employer Discretionary Contribution Amount Defined Contribution Plan, Employer Discretionary Contribution Amount Employer matching contributions to employee ownership plan Defined Contribution Plan, Cost Supplemental Guarantor Financial Information Balance Sheets Supplemental Guarantor Financial Information Balance Sheets [Table Text Block] [Table Text Block] for Supplemental Guarantor Financial Information Balance Sheets Supplemental Guarantor Financial Information Statement of Operations Supplemental Guarantor Financial Information Statement of Operations [Table Text Block] [Table Text Block] for Supplemental Guarantor Financial Information Statement of Operations Supplemental Guarantor Financial Information Statements Of Comprehensive Income Supplemental Guarantor Financial Information Statements Of Comprehensive Income [Table Text Block] [Table Text Block] for Supplemental Guarantor Financial Information Statements Of Comprehensive Income Supplemental Guarantor Financial Information Statements Of Cash Flows Supplemental Guarantor Financial Information Statements Of Cash Flows [Table Text Block] [Table Text Block] for Supplemental Guarantor Financial Information Statements Of Cash Flows Stock options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Total value of stock options exercised Stock Issued During Period, Value, Stock Options Exercised Foreign Currency Translation Adjustment [Roll Forward] Foreign Currency Translation Adjustment [Roll Forward] A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. Beginning Balance Accumulated Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Net of Tax Unrealized Gain (Loss), before Reclassification Adjustments and Tax Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss), before Reclassification and Tax Reclassification Adjustments into Income Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Reclassification Adjustment from AOCI, Realized upon Sale or Liquidation, before Tax Tax Benefit (Provision) Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Net Change in Foreign Currency Translation Adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Income Tax Reclassification Adjustment, Foreign Currency Translation Income Tax Reclassification Adjustment, Foreign Currency Translation Amount represents the reclassification loss from the adoption of Income Tax Accounting Standard (ASU 2018-02) from accumulated other comprehensive loss to retained earnings as it relates to foreign currency translation. Ending Balance Unrealized Gains (Losses) on Derivative Contracts (net of taxes) [Roll Forward] Unrealized Gains (Losses) on Derivative Contracts Summary [Roll Forward] A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. Beginning Balance Accumulated Other Comprehensive Income (Loss), Cumulative Changes in Net Gain (Loss) from Cash Flow Hedges, Effect Net of Tax Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Reclassification Adjustment from AOCI on Derivatives, before Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI on Derivatives, before Tax Derivatives Qualifying as Hedges, Tax Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Tax Net Change in Derivatives Qualifying as Hedges, Net of Tax Income Tax Reclassification Adjustment, Derivative Contracts Income Tax Reclassification Adjustment, Derivative Contracts Amount represents the reclassification loss from the adoption of Income Tax Accounting Standard (ASU 2018-02) from accumulated other comprehensive loss to retained earnings as it relates to derivative contracts. Ending Balance Pension and Postretirement Benefits (net of taxes) [Roll Forward] Pension and Postretirement Benefits Summary [Roll Forward] A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. Beginning Balance Accumulated Other Comprehensive (Income) Loss, Defined Benefit Plan, after Tax Pension and Other Postretirement Benefit Plans, Adjustment, before Reclassification Adjustments and Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, before Reclassification Adjustment and Tax Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, before Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, Reclassification Adjustment from AOCI, before Tax Deferred Tax Benefit (Provision) on Pension and Other Postretirement Benefit Plans Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, Tax Net Change in Pension and Other Postretirement Benefit Plans, Net of Tax Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Income Tax Reclassification Adjustment, Pension and Postretirement Benefits Income Tax Reclassification Adjustment, Pension and Postretirement Benefits Amount represents the reclassification gain from the adoption of Income Tax Accounting Standard (ASU 2018-02) from accumulated other comprehensive loss to retained earnings as it relates to pension and postretirement benefits. Ending Balance Accumulated Other Comprehensive Loss [Roll Forward] Accumulated Other Comprehensive Loss [Roll Forward] A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. Beginning Balance Other Comprehensive Income (Loss), Net Gain (Loss) Recognized, Before Tax Other Comprehensive Income (Loss), Net Gain (Loss) Recognized, Before Tax The adjustment out of other comprehensive income (loss) for gains (losses) recognized as a component of other comprehensive income during the period, before tax. Reclassification Adjustment from AOCI, Before Tax Other Comprehensive Income (Loss), Reclassification Adjustment, Before Tax The amount of reclassification adjustment from Accumulated Other Comprehensive Income, before tax. Other Comprehensive Income (Loss), Tax Other Comprehensive Income (Loss), Tax Other Comprehensive Income (Loss), Net of Tax Other Comprehensive Income (Loss), Net of Tax Income tax reclassification adjustment Income Tax Accounting Standard Adoption Amount represents the reclassification gain from the adoption of the Income Tax Accounting Standard (ASU 2018-02) from accumulated other comprehensive loss to retained earnings. Ending Balance Subsequent Event [Table] Subsequent Event [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Subsequent Event [Line Items] Subsequent Event [Line Items] Authorized share repurchase program (in dollars) Stock Repurchase Program, Authorized Amount Derivative Instruments and Hedging Activities Disclosure [Abstract] DERIVATIVE FINANCIAL INSTRUMENTS Derivative Instruments and Hedging Activities Disclosure [Text Block] ASSETS Accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Shareholders' equity: Common stock, par value Common Stock, Par or Stated Value Per Share Common stock, authorized (in shares) Common Stock, Shares Authorized Common stock, issued Common Stock, Shares, Issued Common stock, outstanding Common Stock, Shares, Outstanding SUPPLEMENTAL GUARANTOR FINANCIAL INFORMATION Supplemental Guarantor Financial Information [Text Block] Supplemental Guarantor Financial Information Derivative [Table] Derivative [Table] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract Type [Domain] Derivative Contract [Domain] Copper Commodity Forward Contracts Copper Commodity Forward Contracts [Member] Derivative instrument whose primary underlying risk is tied to copper prices. Zinc Commodity Forward Contracts Zinc Commodity Forward Contracts [Member] Derivative instrument whose primary underlying risk is tied to zinc prices. Lead Commodity Forward Contracts Lead Commodity Forward Contracts [Member] Derivative instrument whose primary underlying risk is tied to lead prices. Natural Gas Commodity Forward Contracts Natural Gas Commodity Forward Contracts [Member] Derivative instrument whose primary underlying risk is tied to natural gas prices. Derivative [Line Items] Derivative [Line Items] Notional amount Derivative, Notional Amount 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] Blue Cube Business DCP Business [Member] Acquisition of The Dow Chemical Company's DCP business. Business Acquisition [Line Items] Business Acquisition [Line Items] Acquisition-related costs Business Combination, Acquisition Related Costs Fair Value Disclosures [Abstract] Table of financial instruments measured at fair value Fair Value Measurements, Recurring and Nonrecurring [Table Text Block] Fair value of debt table Fair Value, by Balance Sheet Grouping [Table Text Block] Effective Tax Rate, Discrete Items, net Effective Tax Rate, Discrete Items, net The net impact on the effective tax rate of discrete items. Effective Tax Rate, Discrete Items, net Percent Effective Tax Rate, Discrete Items, net Percent The impact on the effective tax rate of discrete items. Statutory federal tax rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent U.S. Tax Cuts and Jobs Act Provisional Benefit U.S. Tax Cuts and Jobs Act Provisional Benefit The provisional benefit recorded resulting from the application of the U.S. Tax Cuts and Jobs Act. Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount Effective Tax Rate, Unremitted Foreign Earnings in Excess of One-time Transition Tax Effective Tax Rate, Unremitted Foreign Earnings in Excess of One-time Transition Tax The impact on the Effective Tax Rate resulting from Unremitted Foreign Earnings and application of the U.S. Tax Cuts and Jobs Act. 2017 Tax Act, Unremitted Foreign Earnings Benefit, Amount 2017 Tax Act, Unremitted Foreign Earnings Benefit, Amount The benefit recorded from the 2017 Tax Act related to the Unremitted Foreign Earnings. 2017 Tax Act, One-time Transition Tax, Amount 2017 Tax Act, One-time Transition Tax, Amount Represents the 2017 Tax Act One-time Transition Tax Amount. Impact on the effective tax rate, if recognized Unrecognized Tax Benefits that Would Impact Effective Tax Rate Reconciliation of Unrecognized Tax Benefits [Roll Forward] Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward] Unrecognized Tax Benefits Unrecognized Tax Benefits Increases for prior year tax positions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Decreases for prior year tax positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Increases for current year tax positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit Supplemental Guarantor Financial Information Statements Of Comprehensive Income [Table] SupplementalGuarantorFinancialInformationStatementsOfComprehensiveIncome [Table] Supplemental Guarantor Financial Information Statements Of Comprehensive Income Supplemental Guarantor Financial Information Statements Of Comprehensive Income [Line Items] SupplementalGuarantorFinancialInformationStatementsOfComprehensiveIncome [Line Items] [Line Items] for Supplemental Guarantor Financial Information Statements Of Comprehensive Income Net income (loss) Foreign currency translation adjustments, net Comprehensive income (loss) Schedule of derivative instruments Schedule of Derivative Instruments [Table Text Block] Summary of location and fair value of derivative instruments on condensed balance sheets Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Summary of effects of derivative instruments on condensed statements of income Derivative Instruments, Gain (Loss) [Table Text Block] ALLOWANCE FOR DOUBTFUL ACCOUNTS RECEIVABLES Allowance for Credit Losses [Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Winchester Segment Winchester Segment [Member] Winchester Segment. CorporateOther [Member] CorporateOther [Member] A component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Sales Revenue, Net Income (loss) before taxes: Results of Operations, Income before Income Taxes [Abstract] Income before taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Environmental expense Total Environmental Income Expense Costs recognized in the income statement in the period for known or estimated future costs arising from requirements to perform activities to remediate one or more sites. Other corporate and unallocated costs Other corporate and unallocated costs Other corporate and unallocated costs recognized by the entity in the period. Restructuring charges Acquisition-related costs Other operating income (expense) Other Operating Income (Expense), Net Interest expense Interest Expense Interest income Investment Income, Interest Non-operating pension income Non-operating pension income Non-operating pension income which is comprised of all components of pension and other postretirement benefit costs, excluding service cost component, such as the amortization of prior service costs, expected return on plan assets, interest cost and recognized actuarial gains and losses. Gain in Other Operating Income (Expense) due to Insurance Recoveries Gain in Other Operating Income due to Insurance Recoveries The gain recorded in other operating income due to insurance recoveries for property damage and business interruption. Disaggregation of Revenue [Abstract] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Products and Services [Axis] Products and Services [Axis] Products and Services [Domain] Products and Services [Domain] Caustic soda Caustic soda [Member] Revenues derived from caustic soda. Chlorine, chlorine derivatives and other co-products Chlorine, chlorine derivatives and other co-products [Member] Revenues derived from chlorine, chlorine derivatives and other co-products. Phenolics and allylics Phenolics and allylics [Member] Revenues derived from phenolics and allylics. Epoxy resins Epoxy resins [Member] Revenues derived from epoxy resins. Commercial Commercial [Member] Revenues derived from commercial. Military and law enforcement Military and law enforcement [Member] Revenues derived from military and law enforcement. Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] United States UNITED STATES Europe Europe [Member] Other foreign Other foreign [Member] A component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements. Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Revenue from Contract with Customer, Excluding Assessed Tax [Abstract] Revenue from Contract with Customer, Excluding Assessed Tax [Abstract] Sales Revenue from Contract with Customer, Excluding Assessed Tax Document and Entity Information [Abstract] -- None. No documentation exists for this element. -- Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type 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 Entity Common Stock, Shares Outstanding Entity Well-known Seasoned Issuer Entity Well-known Seasoned Issuer Entity Voluntary Filers Entity Voluntary Filers Entity Current Reporting Status Entity Current Reporting Status Entity Public Float Entity Public Float Supplemental Guarantor Financial Information Statements Of Cash Flows [Table] SupplementalGuarantorFinancialInformationStatementsOfCashFlows [Table] Supplemental Guarantor Financial Information Statements Of Cash Flows Supplemental Guarantor Financial Information Statements Of Cash Flows [Line Items] SupplementalGuarantorFinancialInformationStatementsOfCashFlows [Line Items] [Line Items] for Supplemental Guarantor Financial Information Statements Of Cash Flows Net Cash Provided by (Used in) Operating Activities Net Cash Provided by (Used in) Operating Activities Capital expenditures Payments to Acquire Property, Plant, and Equipment Proceeds from disposition of property, plant and equipment Proceeds from Sale of Property, Plant, and Equipment Net investing activities Net Cash Provided by (Used in) Investing Activities Borrowings Proceeds from Issuance of Long-term Debt Repayments Repayments of Long-term Debt Stock options exercised Proceeds from Stock Options Exercised Payments of Dividends Payments of Dividends Debt issuance costs Payment of Financing and Stock Issuance Costs Intercompany financing activities Intercompany Financing Activities Intercompany Financing Activities Net financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Net decrease in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents, end of period Statement of Stockholders' Equity [Abstract] Dividends Paid, Common Stock, per share Common Stock, Dividends, Per Share, Cash Paid Balance at beginning of year Financing Receivable, Allowance for Credit Losses Provisions charged Provision for Loan, Lease, and Other Losses Balance at end of period Supplies Other Inventory, Supplies, Gross Raw materials Inventory, Raw Materials, Gross Work in process Inventory, Work in Process, Gross Finished goods Inventory, Finished Goods, Gross Inventory, gross Inventory, Gross LIFO reserve Inventory, LIFO Reserve Inventories, net Forward Contracts Forward Contracts [Member] Forward Contracts Sell Forward Contracts Sell [Member] Contracts negotiated between two parties to sell a specific quantity of a financial instrument, foreign currency, or commodity at a price specified at origination of the contract, with delivery and settlement at a specified future date. Commodity Contract Commodity Contract [Member] Interest Rate Contract Interest Rate Contract [Member] Fixed Interest Rate Swaps $1,100M (Tranche 1) Fixed Interest Rate Swaps $1,100M (Tranche 1) [Member] Fixed Interest Rate Swaps $1,100M (Tranche 1) [Member] Fixed Interest Rate Swaps $900M (Tranche 2) Fixed Interest Rate Swaps $900M (Tranche 2) [Member] Fixed Interest Rate Swaps $900M (Tranche 2) [Member] Fixed Interest Rate Swaps $400M (Tranche 3) Fixed Interest Rate Swaps $400M (Tranche 3) [Member] Fixed Interest Rate Swaps $400M (Tranche 3) [Member] Interest Rate Swaps Designated As Fair Value Hedges Interest Rate Swaps Designated As Fair Value Hedges [Member] Forward based contracts in which two parties agree to swap periodic payments that are fixed at the outset of the swap contract with variable payments based on a market interest rate (index rate) over a specified period and whose gain or loss on the hedged item attributable to the hedged risk are recognized in current earnings. Commodity forward contracts with Wells Fargo Commodity Forward Contracts with Counterparty Wells Fargo Commodity forward contracts with Wells Fargo, a major counterparty. Commodity forward contracts with Citibank Commodity Forward Contracts with Counterparty Citibank Commodity forward contracts with Citibank, a major counterparty. Commodity Forward Contracts with Counterparty Merrill Lynch Commodity Forward Contracts with Counterparty Merrill Lynch Commodity Forward Contracts with Merrill Lynch, a major counterparty. Commodity Forward Contracts with Counterparty JPMorgan Chase Commodity Forward Contracts with Counterparty JPMorgan Chase Commodity Forward Contracts with JPMorgan Chase, a major counterparty. Cash Flow Hedges Derivative Instruments at Fair Value, Net Cash Flow Hedges Derivative Instruments at Fair Value, Net Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net Interest Rate Cash Flow Hedge Gain (Loss) Reclassified to Earnings, Net Derivative Liability, Fair Value, Gross Liability Derivative Liability, Fair Value, Gross Liability Amount of gain (loss) Derivative, Gain (Loss) on Derivative, Net Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net Gain (Loss) on Cash Flow Hedge Ineffectiveness, Net Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Risk-free interest rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected life (years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Weighted-average grant fair value (per option) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Weighted-average exercise price Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Shares granted Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Table] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Foreign Plan [Member] Foreign Plan [Member] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items] Defined Benefit Plan, Plan Assets, Contributions by Employer Defined Benefit Plan, Plan Assets, Contributions by Employer Cost of Goods Sold Reclassification, ASU 2017-07 Cost of Goods Sold Reclassification, ASU 2017-07 Reclassifications from cost of goods sold related to the ASU 2017-07 adoption. Selling and Administration Reclassification, ASU 2017-07 Selling and Administration Reclassification, ASU 2017-07 Reclassifications from selling and administration related to the ASU 2017-07 adoption. Income Statement [Abstract] Operating expenses: Operating Expenses [Abstract] Cost of goods sold Cost of Goods and Services Sold Selling and administration Selling, General and Administrative Expense Operating income Operating Income (Loss) Earnings of non-consolidated affiliates Income (Loss) from Equity Method Investments Interest expense Income before taxes Income tax provision Income Tax Expense (Benefit) Net income Net income per common share: Basic Earnings Per Share, Basic Diluted Earnings Per Share, Diluted Dividends per common share Common Stock, Dividends, Per Share, Declared Average common shares outstanding: Weighted Average Number of Shares Outstanding, Diluted [Abstract] Basic Weighted Average Number of Shares Outstanding, Basic Diluted Weighted Average Number of Shares Outstanding, Diluted GOODWILL AND INTANGIBLES Goodwill and Intangible Assets Disclosure [Text Block] Debt Instruments [Abstract] 2030 Senior Notes 2030 Senior Notes 5.00% senior notes due 2030 that were issued on January 19, 2018. Debt Instrument, Interest Rate, Stated Percentage Debt Instrument, Interest Rate, Stated Percentage 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] $1,375.0 million Term Loan Facility $1,375.0 million Term Loan Facility [Member] $1,375.0 million Term Loan Facility. $1,350.0 million Term Loan Facility Senior Term Loan Facility [Member] Variable-rate senior term loan facility due 2022. Debt Instrument [Line Items] Debt Instrument [Line Items] Repayments of Debt Repayments of Debt Amended Delayed-Draw Term Loan Facility, Maximum Borrowing Capacity Amended Delayed-Draw Term Loan Facility, Maximum Borrowing Capacity Maximum borrowing capacity under the amended and restated delayed-draw term loan facility, which is included in the Amended Senior Credit Facility. Write-off of unamortized deferred debt issuance costs Write-off of unamortized deferred debt issuance costs Expense recognized for the write-off of unamortized deferred debt issuance costs as a result of the retirement of debt prior to its maturity date. Debt issuance costs Senior Credit Facility Senior Credit Facility Senior credit facility consisting of a senior revolving credit facility and a delayed-draw term loan facility. Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Maximum Borrowing Capacity Line of Credit Facility, Remaining Borrowing Capacity Line of Credit Facility, Remaining Borrowing Capacity Letters of Credit Outstanding, Amount Letters of Credit Outstanding, Amount Sumitomo Credit Facility Sumitomo Credit Facility Term credit facility with a syndicate of lenders and Sumitomo Mitsui Banking Corporation under which Olin obtained term loans that were borrowed upon on the Closing Date of the Transactions. Subfacility Of Senior Credit Facitility SubfacilityOfSeniorCreditFacitility Amount of borrowing capacity under a subfacility of the senior revolving credit facility. Annual Required Principal Payment (Percent) in Years 1 and 2 Annual Required Principal Payment (Percent) in Years 1 and 2 Annual percentage of required principal payment on the term loan facility in years 1 and 2. Annual Required Principal Payment (Percent) in Year 3 Annual Required Principal Payment (Percent) in Year 3 Annual percentage of required principal payment on the term loan facility in year 3. Annual Required Principal Payment (Percent) in Years 4 and 5 Annual Required Principal Payment (Percent) in Years 4 and 5 Annual percentage of required principal payment on the term loan facility in years 4 and 5. 2027 Senior Notes 2027 Senior Notes 5.125% senior notes due 2027 that were issued on March 9, 2017. Legal action accrued liabilities Loss Contingency Accrual Statement, Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock Common Stock [Member] Additional Paid-In Capital Additional Paid-in Capital [Member] Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Retained Earnings Retained Earnings [Member] Balance (in shares) Shares, Issued Balance Income tax reclassification adjustment Income tax reclassification adjustment Represents reclassification adjustments that are allowed resulting from the adoption of ASU 2018-02 related to the stranded tax effects resulting from the 2017 U.S. Tax Cuts and Jobs Act. Other comprehensive income Dividends paid: Dividends [Abstract] Common stock ($0.20 per share) Dividends, Common Stock, Cash Common stock issued for: Stock Issued or Granted During Period, Share-based Compensation [Abstract] Stock options exercised (in shares) Stock options exercised Other Transactions (in shares) Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures Other Transactions Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures Stock-based compensation Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition Balance (in shares) Balance CONTRIBUTING EMPLOYEE OWNERSHIP PLAN Compensation and Employee Benefit Plans [Text Block] Basic shares Basic net income per share Earnings Per Share, Diluted [Abstract] Stock-based compensation Weighted Average Number Diluted Shares Outstanding Adjustment Diluted shares Diluted net income per share Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Schedule of Fair Value, Off-balance Sheet Risks [Table] Schedule of Fair Value, Off-balance Sheet Risks [Table] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value, Measurements, Fair Value Hierarchy [Domain] Fair Value Hierarchy [Domain] Fair Value, Inputs, Level 1 Fair Value, Inputs, Level 1 [Member] Fair Value, Inputs, Level 2 Fair Value, Inputs, Level 2 [Member] Fair Value, Inputs, Level 3 Fair Value, Inputs, Level 3 [Member] Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] Fair Value, Off-balance Sheet Risks, Disclosure Information [Line Items] Long-term Debt, Fair Value Long-term Debt, Fair Value Notes Payable Notes Payable Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Table] Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Table] Tabular disclosure of amortizable intangible assets, in total and by major class, including the gross carrying amount and accumulated amortization, as well as indefinite lived intangible assets in total and by major class. 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. 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] Customers, customer contracts and relationships Customer Relationships [Member] Trade Names Trade Names [Member] Acquired Technology Developed Technology Rights [Member] Other Intangible Assets Other Intangible Assets [Member] Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items] Schedule Of Finite Lived And Indefinite Lived Intangible Assets By Major Class [Line Items] [Line Items] for Tabular disclosure of amortizable intangible assets, in total and by major class, including the gross carrying amount and accumulated amortization, as well as indefinite lived intangible assets in total and by major class. 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. Finite-Lived Intangible Assets, Gross Finite-Lived Intangible Assets, Gross Finite-Lived Intangible Assets, Accumulated Amortization Finite-Lived Intangible Assets, Accumulated Amortization Finite-Lived Intangible Assets, Net Finite-Lived Intangible Assets, Net Accounting Policies [Abstract] ACCOUNTING POLICIES Significant Accounting Policies [Text Block] Restructuring and Related Activities, Schedule of Restructuring and Related Costs [Table] Chlor Alkali Products and Vinyls Capacity Reductions Chlor Alkali Products and Vinyls Capacity Reductions [Member] Chlor Alkali Products and Vinyls Capacity Reductions Chlor Alkali Products and Vinyls Becancour Chlor Alkali Products Becancour [Member] Chlor Alkali Products Becancour Total Product Segment Production Capacity Decrease Total Product Segment Production Capacity Decrease Total chlor alkali product segment production capacity decrease announced on March 21, 2016 Henderson Product Segment Production Capacity Decrease Henderson Product Segment Production Capacity Decrease Henderson, NV chlor alkali product segment production capacity decrease announced on March 21, 2016 Niagara Product Segment Production Capacity Niagara Product Segment Production Capacity Niagara Falls, NY chlor alkali product segment production capacity Reduced Niagara Segment Production Capacity Reduced Niagara Segment Production Capacity Reduced Niagara Falls, NY chlor alkali product segment production capacity Freeport Product Segment Production Capacity Decrease Freeport Product Segment Production Capacity Decrease Freeport product segment production capacity decrease announced on March 21, 2016 Additional restructuring and related expected cost Restructuring and Related Cost, Expected Cost Tonnage reduction in chlor alkali manufacutring capactiy (in tons) Product Segment Production Capacity Decrease Increase Tonnage capacity reduction in a product segment. Estimated Project Cost For Plant Relocation Estimated Project Cost For Plant Relocation Estimated project cost for plant relocation. Estimated Capital Spending For Facility Relocation Estimated Capital Spending For Facility Relocation Estimated capital spending for facility relocation. Government Grants for Facility Relocation Capital Spending Government Grants for Facility Relocation Capital Spending Government grants for capital spending on a facility relocation. Inception to date Amounts Utilized (cash) Payments for Restructuring Inception to date Amounts Utilized (non-cash) Restructuring Reserve, Settled without Cash Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Interest Rate Swap Interest Rate Swap [Member] Foreign Exchange Contract Foreign Exchange Contract [Member] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Derivative Asset Derivative Asset Derivative Liability Derivative Liability Revenue Recognition Revenue Recognition, Sales of Goods [Policy Text Block] ACCOUNTS RECEIVABLE Loans, Notes, Trade and Other Receivables Disclosure [Text Block] OTHER ASSETS Other Assets Disclosure [Text Block] PENSION PLANS AND RETIREMENT BENEFITS Pension and Other Postretirement Benefits Disclosure [Text Block] Statement of Cash Flows [Abstract] Operating Activities Net Cash Provided by (Used in) Operating Activities [Abstract] Adjustments to reconcile net income to net cash and cash equivalents provided by (used for) operating activities: Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Earnings of non-consolidated affiliates Losses on disposition of property, plant and equipment Gain (Loss) on Disposition of Property Plant Equipment Stock-based compensation Share-based Compensation Depreciation and amortization Depreciation, Depletion and Amortization Deferred income taxes Deferred Income Tax Expense (Benefit) Qualified pension plan contributions Payment for Pension Benefits Qualified pension plan income Pension Income Expense The amount of pension benefit costs recognized during the period for qualified defined benefit plans. For defined benefit plans, pension expense includes the following components: service cost, interest cost, expected return on plan assets, gain or loss on plan assets, prior service cost or credit, transition asset or obligation, and gain or loss due to settlements or curtailments. Change in: Increase (Decrease) in Operating Capital [Abstract] Receivables Increase (Decrease) in Receivables Income taxes receivable/payable Increase (Decrease) in Income Taxes Receivable Inventories Increase (Decrease) in Inventories Other current assets Increase (Decrease) in Prepaid Expense Accounts payable and accrued liabilities Increase (Decrease) in Accounts Payable and Accrued Liabilities Other assets Increase (Decrease) in Other Operating Assets Other noncurrent liabilities Increase (Decrease) in Other Noncurrent Liabilities Other operating activities Increase (Decrease) in Other Operating Assets and Liabilities, Net Net operating activities Investing Activities Net Cash Provided by (Used in) Investing Activities [Abstract] Capital expenditures Financing Activities Net Cash Provided by (Used in) Financing Activities [Abstract] Long-term debt: Proceeds from (Repayments of) Debt [Abstract] Dividends paid Cash and cash equivalents, beginning of period Cash paid for interest and income taxes: Supplemental Cash Flow Information [Abstract] Interest, net Interest Paid, Net Income taxes, net of refunds Income Taxes Paid, Net Non-cash investing activities: Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Capital expenditures included in accounts payable and accrued liabilities Increase (Decrease) in Capital Expenditures Incurred but Not Yet Paid The increase (decrease) in future cash outflow to pay for purchases of fixed assets that have occurred. Segment Information Schedule of Segment Reporting Information, by Segment [Table Text Block] Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table] Commodity Contracts Losses Commodity Contracts Losses [Member] Derivative instrument whose primary underlying risk is tied to commodity prices and is in a loss position. Commodity Contracts Gains Commodity Contracts Gains [Member] Derivative instrument whose primary underlying risk is tied to commodity prices and is in a gain position. Foreign Exchange Contract Loss Foreign Exchange Contract Loss [Member] Derivative instrument in a loss position whose primary underlying risk is tied to foreign exchange rates. Interest Rate Contract Loss Interest Rate Contract Loss [Member] Derivative instrument in a loss position whose primary underlying risk is tied to the right to receive or pay a sum of money at a given interest rate. Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Designated as Hedging Instrument Designated as Hedging Instrument [Member] Not Designated as Hedging Instrument Not Designated as Hedging Instrument [Member] Derivatives, Fair Value, by Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Other Current Assets Other Current Assets [Member] Other Assets Other Assets [Member] Current Installments of Long-term Debt Current Installments of Long-term Debt [Member] Current installments of a debt arrangement having an initial term longer than one year or beyond the normal operating cycle, if longer. Accrued Liabilities Accrued Liabilities [Member] Other Liabilities Other Liabilities [Member] Derivatives, Fair Value [Line Items] Derivatives, Fair Value [Line Items] Asset derivatives Derivative Asset, Fair Value, Gross Asset Liability derivatives Income Tax Examination [Table] Income Tax Examination [Table] Country [Axis] Country [Axis] Country Country [Domain] Country [Domain] [Domain] for Country. Canada Canada [Member] Canada Brazil Brazil [Member] Brazil Germany Germany [Member] Germany China China [Member] China The Netherlands The Netherlands [Member] The Netherlands Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Internal Revenue Service (IRS) Internal Revenue Service (IRS) [Member] State and Local Jurisdiction State and Local Jurisdiction [Member] Foreign Country Foreign Tax Authority [Member] Income Tax Examination [Line Items] Income Tax Examination [Line Items] Open Tax Year Open Tax Year Supplemental Guarantor Financial Information Statement of Operations [Table] Supplemental Guarantor Financial Information Statement of Operations [Table] Supplemental Guarantor Financial Information Statement of Operations Supplemental Guarantor Financial Information Statement of Operations [Line Items] Supplemental Guarantor Financial Information Statement of Operations [Line Items] [Line Items] for Supplemental Guarantor Financial Information Statement of Operations Sales Other operating income (expense) Operating (loss) income Equity income in subsidiaries Income Loss From Equity Method Investments Consolidating Subsidiaries Income Loss From Equity Method Investments Consolidating Subsidiaries Interest expense Non-operating pension income (expense) Income (loss) before taxes Income tax (benefit) provision STOCK-BASED COMPENSATION Disclosure of Compensation Related Costs, Share-based Payments [Text Block] 2023 Notes 2023 Notes [Member] Notes payable due 2023. 2025 Notes 2025 Notes [Member] Notes payable due 2025. 2023 Notes 2023 Senior Notes 9.75% senior notes due 2023 that were issued on the Closing Date of the Transactions. 2025 Notes 2025 Senior Notes 10.00% senior notes due 2025 that were issued on the Closing Date of the Transactions. ENVIRONMENTAL Environmental Loss Contingency Disclosure [Text Block] Pension and other postretirement benefits curtailment Pension and other postretirement benefits curtailment [Member] FAIR VALUE MEASUREMENTS Fair Value Disclosures [Text Block] Schedule of Goodwill Schedule of Goodwill [Table Text Block] Schedule of Finite-Lived Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Stock-based compensation expense Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block] Schedule of fair value of stock options granted Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] DEBT Debt Disclosure [Text Block] Fair Value, Assets, Level 1 to Level 2 Transfers, Amount Fair Value, Assets, Level 1 to Level 2 Transfers, Amount Fair Value, Assets, Level 2 to Level 1 Transfers, Amount Fair Value, Assets, Level 2 to Level 1 Transfers, Amount Fair Value, Liabilities, Level 1 to Level 2 Transfers, Amount Fair Value, Liabilities, Level 1 to Level 2 Transfers, Amount Fair Value, Liabilities, Level 2 to Level 1 Transfers, Amount Fair Value, Liabilities, Level 2 to Level 1 Transfers, Amount Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Transfers Into Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers Into Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 Fair Value, Measurement with Unobservable Inputs Reconciliation, Liability, Transfers out of Level 3 Assets, Fair Value Disclosure, Nonrecurring Assets, Fair Value Disclosure, Nonrecurring Derivative Instruments, Gain (Loss) by Hedging Relationship, by Income Statement Location, by Derivative Instrument Risk [Table] Derivative Instruments, Gain (Loss) [Table] Interest Rate Swap Derivative Instruments, Gain (Loss) by Income Statement Location [Axis] Income Statement Location [Axis] Income Statement and Other Comprehensive Income (Loss) Location [Domain] Income Statement Location [Domain] Cost of Sales Cost of Sales [Member] Interest Expense Interest Expense [Member] Selling, General and Administrative Expenses Selling, General and Administrative Expenses [Member] Derivative Instruments, Gain (Loss) by Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Cash Flow Hedging Cash Flow Hedging [Member] Fair Value Hedging Fair Value Hedging [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Recognized in other comprehensive loss (effective portion) Derivative Instruments, Gain (Loss) Recognized in Other Comprehensive Income (Loss), Effective Portion, Net Reclassified from accumulated other comprehensive loss into income (effective portion) Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Basic and Diluted Earnings Per Share Table Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] INVENTORIES Inventory Disclosure [Text Block]