Entity Central Index Key Other comprehensive income (loss), pension and other postretirement benefit plans, foreign currency transaction and translation gain (loss), before tax. Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Foreign Currency Translation Gain (Loss) Arising During Period, Tax Other comprehensive income loss reclassification adjustment from AOCI pension and other postretirement benefit plans for settlements gain loss before tax. Other comprehensive income loss reclassification adjustment from AOCI pension and other postretirement benefit plans for settlements gain loss tax. Comprehensive Income (Loss), Before Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive Income (Loss), Tax, Including Portion Attributable to Noncontrolling Interest Comprehensive Income (Loss), before Tax, Portion Attributable to Noncontrolling Interest Comprehensive Income (Loss), Tax, Portion Attributable to Noncontrolling Interest Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Comprehensive Income (Loss), Tax, Portion Attributable to Parent Employee Separation and Asset Related Charges (including Impairments) Net Other income net Intercompany Interest Income (Expense), Net Intercompany Receivable Investments in Subsidiaries Intercompany Notes Receivable Intercompany Payable Intercompany Notes Payable Payments for (Proceeds from) Intercompany Investing Activities Payments for (Proceeds from) Intercompany Short-term Borrowings Document and Entity Information [Abstract] Document And Entity Information [Abstract] Entity Registrant Name Entity Registrant Name Entity Central Index Key Current Fiscal Year End Date Current Fiscal Year End Date Entity Filer Category Entity Filer Category Document Type Document Type Trading Symbol Trading Symbol 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 Income Statement [Abstract] Net sales Sales Revenue Net Cost of goods sold Cost Of Goods Sold Gross profit Gross Profit Selling, general and administrative expense Selling General And Administrative Expense Research and development expense Research And Development Expense Restructuring and asset-related charges, net Employee Separation And Asset Related Charges Including Impairments Net Total expenses Operating Expenses Equity in earnings of affiliates Income Loss From Equity Method Investments Interest expense, net Interest Expense Other income, net Other Income Net Income before income taxes Income Loss From Continuing Operations Before Income Taxes Extraordinary Items Noncontrolling Interest Provision for income taxes Income Tax Expense Benefit Net income (loss) Profit Loss Less: Net income attributable to non-controlling interests Net Income Loss Attributable To Noncontrolling Interest Net income (loss) attributable to Chemours Net Income Loss Per share data Earnings Per Share [Abstract] Basic earnings per share of common stock Earnings Per Share Basic Diluted earnings per share of common stock Earnings Per Share Diluted Dividends per share of common stock Common Stock Dividends Per Share Cash Paid Other Comprehensive Income (Loss), Pensions and Other Postretirement Benefit Plans, Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Other comprehensive income loss reclassification adjustment from AOCI pension and other postretirement benefit plans for curtailment gain loss net of tax. Statement Of Income And Comprehensive Income [Abstract] Net income, pre-tax Net Income, tax Other comprehensive income (loss): Other Comprehensive Income Loss Net Of Tax Period Increase Decrease [Abstract] Unrealized loss on net investment hedge, pre-tax Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Before Tax Unrealized loss on net investment hedge, tax Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Tax Unrealized loss on net investment hedge, after-tax Other Comprehensive Income Unrealized Gain Loss On Derivatives Arising During Period Net Of Tax Cumulative translation adjustments, pre-tax Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Before Tax Cumulative translation adjustments, tax Other Comprehensive Income Loss Foreign Currency Translation Adjustment Tax Cumulative translation adjustments, after-tax Other Comprehensive Income Loss Foreign Currency Transaction And Translation Adjustment Net Of Tax Defined benefit plans: Other Comprehensive Income Defined Benefit Plans Adjustment Net Of Tax Period Increase Decrease [Abstract] Net gain (loss), pre-tax Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Net Unamortized Gain Loss Arising During Period Before Tax Net gain (loss), tax Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Tax Net gain (loss), after-tax Other Comprehensive Income Defined Benefit Plans Net Unamortized Gain Loss Arising During Period Net Of Tax Effect of foreign exchange rates, pre-tax Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Foreign Currency Transaction And Translation Gain Loss Before Tax Effect of foreign exchange rates, tax Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Foreign Currency Translation Gain Loss Arising During Period Tax Effect of foreign exchange rates, after-tax Other Comprehensive Income Loss Pensions And Other Postretirement Benefit Plans Foreign Currency Transaction And Translation Gain Loss Arising During Period Net Of Tax Amortization of prior service gain, pre-tax Other Comprehensive Income Loss Amortization Adjustment From A O C I Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Before Tax Amortization of prior service gain, tax Other Comprehensive Income Loss Amortization Adjustment From A O C I Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Tax Amortization of prior service gain, after tax Other Comprehensive Income Loss Amortization Adjustment From A O C I Pension And Other Postretirement Benefit Plans For Net Prior Service Cost Credit Net Of Tax Amortization of actuarial loss, pre-tax Other Comprehensive Income Loss Reclassification Adjustment From A O C I Pension And Other Postretirement Benefit Plans For Net Gain Loss Before Tax Amortization of acturial loss, tax Other Comprehensive Income Loss Reclassification Adjustment From A O C I Pension And Other Postretirement Benefit Plans For Net Gain Loss Tax Amortization of acturial loss, after tax Other Comprehensive Income Loss Reclassification Adjustment From A O C I Pension And Other Postretirement Benefit Plans For Net Gain Loss Net Of Tax Settlement loss, pre-tax Other Comprehensive Income Loss Reclassification Adjustment From A O C I Pension And Other Postretirement Benefit Plans For Settlements Gain Loss Before Tax Settlement loss, tax Other Comprehensive Income Loss Reclassification Adjustment From A O C I Pension And Other Postretirement Benefit Plans For Settlements Gain Loss Tax Settlement loss, after tax Other Comprehensive Income Loss Reclassification Adjustment From A O C I Pension And Other Postretirement Benefit Plans For Settlements Gain Loss Net Of Tax Defined benefit plans, net, pre-tax Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Before Tax Defined benefit plans, net, tax Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Tax Defined benefit plans, net, after-tax Other Comprehensive Income Loss Pension And Other Postretirement Benefit Plans Adjustment Net Of Tax Other comprehensive income, pre-tax Other Comprehensive Income Loss Before Tax Other comprehensive income, tax Other Comprehensive Income Loss Tax Other comprehensive income, after tax Other Comprehensive Income Loss Net Of Tax Comprehensive income, pre-tax Comprehensive Income Loss Before Tax Including Portion Attributable To Noncontrolling Interest Comprehensive income, tax Comprehensive Income Loss Tax Including Portion Attributable To Noncontrolling Interest Comprehensive income, after-tax Comprehensive Income Net Of Tax Including Portion Attributable To Noncontrolling Interest Less: Comprehensive income attributable to non-controlling interests, pre-tax Comprehensive Income Loss Before Tax Portion Attributable To Noncontrolling Interest Less: Comprehensive income attributable to non-controlling interests, tax Comprehensive Income Loss Tax Portion Attributable To Noncontrolling Interest Less: Comprehensive income attributable to non-controlling interests, after-tax Comprehensive Income Net Of Tax Attributable To Noncontrolling Interest Comprehensive income attributable to Chemours, pre-tax Comprehensive Income Loss Before Tax Portion Attributable To Parent Comprehensive income attributable to Chemours, tax Comprehensive Income Loss Tax Portion Attributable To Parent Comprehensive income attributable to Chemours, after-tax Comprehensive Income Net Of Tax Statement Of Financial Position [Abstract] Assets Assets [Abstract] Current assets: Assets Current [Abstract] Cash and cash equivalents Cash And Cash Equivalents At Carrying Value Accounts and notes receivable - trade, net Receivables Net Current Inventories Inventory Net Prepaid expenses and other Prepaid Expense Current Total current assets Assets Current Property, plant and equipment Property Plant And Equipment Gross Less: Accumulated depreciation Accumulated Depreciation Depletion And Amortization Property Plant And Equipment Property, plant and equipment, net Property Plant And Equipment Net Goodwill and other intangible assets, net Intangible Assets Net Including Goodwill Investments in affiliates Equity Method Investments Other assets Other Assets Noncurrent Total assets Assets Liabilities and equity Liabilities And Stockholders Equity [Abstract] Current liabilities: Liabilities Current [Abstract] Accounts payable Accounts Payable Current Current maturities of long-term debt Long Term Debt Current Other accrued liabilities Accrued Liabilities Current Total current liabilities Liabilities Current Long-term debt, net Long Term Debt Noncurrent Deferred income taxes Deferred Tax Liabilities Noncurrent Other liabilities Other Liabilities Noncurrent Total liabilities Liabilities Commitments and contingent liabilities Commitments And Contingencies Equity Stockholders Equity Including Portion Attributable To Noncontrolling Interest [Abstract] Common stock (par value $0.01 per share; 810,000,000 shares authorized; 185,092,058 and 182,600,533 shares issued and outstanding at September 30, 2017 and December 31, 2016, respectively) Common Stock Value Additional paid-in capital Additional Paid In Capital Retained earnings (accumulated deficit) Retained Earnings Accumulated Deficit Accumulated other comprehensive loss Accumulated Other Comprehensive Income Loss Net Of Tax Total Chemours stockholders’ equity Stockholders Equity Non-controlling interests Minority Interest Total equity Stockholders Equity Including Portion Attributable To Noncontrolling Interest Total liabilities and equity Liabilities And Stockholders Equity Common stock, shares authorized (in shares) Common Stock Shares Authorized Common stock , par value (USD per share) Common Stock Par Or Stated Value Per Share Common stock, shares Issued (in shares) Common Stock Shares Issued Common stock, shares outstanding (in shares) Common Stock Shares Outstanding Stock issued during period, additional. Adjustments to additional paid in capital cancellation of unissued stock awards withheld to cover taxes. Statement Of Stockholders Equity [Abstract] Statement [Table] Statement [Table] Accumulated Deficit Retained Earnings [Member] Statement Equity Components [Axis] Equity Component Equity Component [Domain] Common Stock [Member] Common Stock [Member] Additional Paid-In Capital [Member] Additional Paid In Capital [Member] Accumulated Deficit Retained Earnings [Member] Retained Earnings [Member] Accumulated Other Comprehensive (Loss) Income [Member] Accumulated Other Comprehensive Income [Member] Non-controlling Interests [Member] Noncontrolling Interest [Member] Statement [Line Items] Statement [Line Items] Total stockholders' equity, beginning balance Shares, beginning balance Shares Outstanding Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase Decrease In Stockholders Equity Roll Forward Net income Common stock issued - compensation plans (in shares) Stock Issued During Period Additional Dividends Dividends Cash Other comprehensive income Stock-based compensation expense Adjustments To Additional Paid In Capital Sharebased Compensation Requisite Service Period Recognition Value Cancellation of unissued stock awards withheld to cover taxes Adjustments To Additional Paid In Capital Cancellation Of Unissued Stock Awards Withheld To Cover Taxes Exercise of stock options, net Stock Issued During Period Value Stock Options Exercised Exercise of stock options, net (in shares) Stock Issued During Period Shares Stock Options Exercised Total stockholders' equity, ending balance Shares, ending balance Change in capital expenditures incurred but not yet paid. Statement Of Cash Flows [Abstract] Operating activities Net Cash Provided By Used In Operating Activities [Abstract] Adjustments to reconcile net income to cash provided by operating activities: Adjustments To Reconcile Net Income Loss To Cash Provided By Used In Operating Activities [Abstract] Depreciation and amortization Depreciation Depletion And Amortization Amortization of deferred financing costs and issuance discount Amortization Of Financing Costs And Discounts Gain on sale of assets and businesses Gain Loss On Disposition Of Assets1 Equity in earnings of affiliates Income Loss From Equity Method Investments Net Of Dividends Or Distributions Deferred tax provision (benefit) Deferred Income Taxes And Tax Credits Asset-related charges Restructuring Costs And Asset Impairment Charges Other operating charges and credits, net Other Operating Activities Cash Flow Statement (Increase) decrease in operating assets: Increase Decrease In Operating Assets [Abstract] Accounts and notes receivable - trade, net Increase Decrease In Accounts And Notes Receivable Inventories and other operating assets Increase Decrease In Inventories And Other Operating Assets (Decrease) increase in operating liabilities: Increase Decrease In Operating Liabilities [Abstract] Accounts payable and other operating liabilities Increase Decrease In Accounts Payable And Other Operating Liabilities Cash provided by operating activities Net Cash Provided By Used In Operating Activities Investing activities Net Cash Provided By Used In Investing Activities [Abstract] Purchases of property, plant and equipment Payments To Acquire Property Plant And Equipment Proceeds from sales of assets and businesses, net Proceeds From Sale Of Productive Assets Foreign exchange contract settlements, net Payments For Proceeds From Derivative Instrument Investing Activities Investment in affiliates Payments To Acquire Equity Method Investments Cash (used for) provided by investing activities Net Cash Provided By Used In Investing Activities Financing activities Net Cash Provided By Used In Financing Activities [Abstract] Proceeds from issuance of debt, net Proceeds From Issuance Of Long Term Debt Debt repayments Repayments Of Long Term Debt Dividends paid Payments Of Dividends Deferred financing fees Payments Of Debt Issuance Costs Tax payments related to withholdings on vested restricted stock units Payments Related To Tax Withholding For Share Based Compensation Proceeds from exercised stock options, net Proceeds From Stock Options Exercised Cash provided by (used for) 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 Increase in cash and cash equivalents Cash And Cash Equivalents Period Increase Decrease Cash and cash equivalents at beginning of the period Cash and cash equivalents at end of the period Non-cash investing activities Cash Flow Noncash Investing And Financing Activities Disclosure [Abstract] Change in property, plant and equipment included in accounts payable Change In Capital Expenditures Incurred But Not Yet Paid Organization Consolidation And Presentation Of Financial Statements [Abstract] Basis of Presentation Basis Of Accounting Recent Accounting Pronouncements New Accounting Pronouncements And Changes In Accounting Principles [Text Block] Restructuring And Related Activities [Abstract] Restructuring and Asset Related Charges, Net Restructuring And Related Activities Disclosure [Text Block] Other Income And Expenses [Abstract] Other Income, Net Other Income And Other Expense Disclosure [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Earnings Per Share of Common Stock Earnings Per Share [Text Block] Receivables [Abstract] Accounts and Notes Receivable - Trade, Net Loans Notes Trade And Other Receivables Disclosure [Text Block] Inventory Net [Abstract] Inventories Inventory Disclosure [Text Block] Property Plant And Equipment [Abstract] Property, Plant and Equipment, Net Property Plant And Equipment Disclosure [Text Block] Deferred Costs Capitalized Prepaid And Other Assets Disclosure [Abstract] Other Assets Other Assets Disclosure [Text Block] Payables And Accruals [Abstract] Other Accrued Liabilities Accounts Payable Accrued Liabilities And Other Liabilities Disclosure Current [Text Block] Debt Disclosure [Abstract] Debt Debt Disclosure [Text Block] Commitments And Contingencies Disclosure [Abstract] Commitments and Contingent Liabilities Commitments And Contingencies Disclosure [Text Block] Derivative Instruments And Hedging Activities Disclosure [Abstract]