Revenue Recognition [Abstract] Revenue Recognition, Milestone Method, Description Revenue Recognition, Milestone Method, Description Revenue Recognition, Milestone Method, Revenue Recognized Revenue Recognition, Milestone Method, Revenue Recognized Accounting Policies [Abstract] New Accounting Pronouncements, Policy [Policy Text Block] New Accounting Pronouncements, Policy [Policy Text Block] Summary of Significant Accounting Policies Significant Accounting Policies [Text Block] Receivables [Abstract] Accounts Receivable, Net Accounts Receivable Net [Table Text Block] The disclosure for claims held for amounts due a company. Examples include trade accounts receivables net, notes receivables, loans receivables. Document And Entity Information [Abstract] -- None. No documentation exists for this element. -- Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Common Stock [Member] Common Stock [Member] Class A [Member] Common Class A [Member] Class B [Member] Common Class B [Member] Class of Stock [Line Items] Class of Stock [Line Items] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Entity Registrant Name Entity Registrant Name Entity Central Index Key Entity Central Index Key Document Type Document Type Document Period End Date Document Period End Date Amendment Flag Amendment Flag Document Fiscal Year Focus Document Fiscal Year Focus Document Fiscal Period Focus Document Fiscal Period Focus Current Fiscal Year End Date Current Fiscal Year End Date 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 Filer Category Entity Filer Category Entity Shell Company Entity Shell Company Entity Small Business Entity Small Business Entity Emerging Growth Company Entity Emerging Growth Company Entity Public Float Entity Public Float Trading Symbol Trading Symbol Other Nonoperating Income (Expense) [Abstract] Loss on Derivative settlement Loss on Derivative settlement Loss on Derivative settlement Kansas Development Finance Authority bond Interest Income, Securities, State and Municipal Rental and miscellaneous income Rental Income, Nonoperating Pension Income (Expense) without Service Cost Pension Income (Expense) without Service Cost Pension Income (Expense) without Service Cost Interest Income, Other Interest Income, Other Other Income Other Income Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Gain (Loss) on Foreign Currency Derivative Instruments Not Designated as Hedging Instruments Gain (Loss) on Sale of Accounts Receivable Gain (Loss) on Sale of Accounts Receivable Foreign currency losses Foreign Currency Transaction Gain (Loss), before Tax Total Other Income (Expense), net Other Nonoperating Income (Expense) Goodwill and Intangible Assets Disclosure [Abstract] Other Assets Schedule of Other Assets, Noncurrent [Table Text Block] Risks and Uncertainties [Abstract] Significant Concentration Risk Concentration Risk Disclosure [Text Block] Quarterly Financial Information Disclosure [Abstract] Revenues Revenues loss on sale of divestiture loss on divestiture of programs The gains and losses included in earning resulting from the divestiture of programs. Gross Profit Gross Profit Operating (loss) income Operating Income (Loss) Net income Net Income (Loss) Attributable to Parent Earnings Per Share, Basic Earnings Per Share, Basic (Loss) earnings per share, diluted (in dollars per share) Earnings Per Share, Diluted Income Statement [Abstract] Net Revenues Operating costs and expenses Costs and Expenses [Abstract] Cost of sales Cost of Goods and Services Sold Selling, general and administrative Selling, General and Administrative Expense Unusual or Infrequent Item, or Both, Net of Insurance Proceeds Unusual or Infrequent Item, or Both, Net of Insurance Proceeds Research and development Research and Development Expense Loss on divestiture of programs - income statement Loss on divestiture of programs - income statement Loss on divestiture of programs - income statement Total operating costs and expenses Costs and Expenses Operating income Interest expense and financing fee amortization Interest and Debt Expense Interest income Investment Income, Interest Other income (expense), net Income before income taxes and equity in net income of affiliates Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Income tax provision Income Tax Expense (Benefit) Income before equity in net income of affiliates Income Before Equity In Net Loss Of Affiliates Income (loss) Before Equity In Netincome (Loss) Of Affiliates and subsidiaries Equity in net income of affiliates Income (Loss) from Equity Method Investments Net income Earnings per share Earnings Per Share [Abstract] Basic (in dollars per share) Earnings Per Share, Diluted Common Stock, Dividends, Per Share, Declared Common Stock, Dividends, Per Share, Declared Revenue from Contract with Customer [Abstract] contract with customer, asset and liability [Text Block] contract with customer, asset and liability [Text Block] contract with customer, asset and liability [Text Block] Condensed Financial Information Disclosure [Abstract] Condensed Consolidating Statements of Operations Condensed Income Statement [Table Text Block] Condensed Consolidating Balance Sheet Condensed Balance Sheet [Table Text Block] Condensed Consolidating Statements of Cash Flows Condensed Cash Flow Statement [Table Text Block] Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Statement, Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Additional Paid-in Capital [Member] Additional Paid-in Capital [Member] Accumulated Other Comprehensive Income (Loss) [Member] AOCI Attributable to Parent [Member] Retained Earnings [Member] Retained Earnings [Member] Stockholders' Equity, Total [Member] Stockholders' Equity, Total [Member] Treasury Stock, Common [Member] Treasury Stock, Common [Member] Statement [Line Items] Statement [Line Items] Balance, shares Common Stock, Shares, Outstanding Balance Stockholders' Equity Attributable to Parent Impact on Retained Earnings, Adoption of ASC 606 Impact on Retained Earnings, Adoption of ASC 606 Impact on Retained Earnings, Adoption of ASC 606 Dividends, Common Stock, Cash Dividends, Common Stock, Cash Equity in joint venture Stockholders' Equity, Other Employee equity awards, shares Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Employee equity awards, value Stock Granted, Value, Share-based Compensation, Net of Forfeitures Stock forfeitures, shares Stock Issued During Period, Shares, Restricted Stock Award, Forfeited Net shares settled Stockholders' Equity, Other Shares Payments Related to Tax Withholding for Share-based Compensation Payments Related to Tax Withholding for Share-based Compensation Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Stock Forfeitures, value Stock Issued During Period, Value, Restricted Stock Award, Forfeitures Excess tax benefits from share-based payment arrangements Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation SERP shares issued Supplemental Retirement Plan Shares Issued Shares to be issued pursuant to supplemental retirement share plan for eligible employees. Supplemental Retirement Plan Shares Issued Value Supplemental Retirement Plan Shares Issued Value Supplemental Retirement Plan Shares Issued Value Treasury Stock, Carrying Basis Treasury Stock, Carrying Basis Treasury Stock, Value, Acquired, Cost Method Treasury Stock, Value, Acquired, Cost Method Stock Repurchased During Period, Value Stock Repurchased During Period, Value Treasury Stock, Value Treasury Stock, Value Other Comprehensive Income Other Comprehensive Income (Loss), Net of Tax Balance, shares Balance Government Grants [Abstract] -- None. No documentation exists for this element. -- Asset Related To Deferred Grant Income Net [Roll Forward] Asset Related To Deferred Grant Income Net [Roll Forward] Detail disclosure for Asset associated with eligible amounts of capital spending under the terms of the grants what will be amortized as a reduction to production cost. Asset related to deferred grant income, Beginning Balance Asset Related To Deferred Grant Income Beginning Balance Asset associated with eligible amounts of capital spending under the terms of the grants what will be amortized as a reduction to production cost. Amortization Depreciation Grant Assets Depreciationof Grant Assets Exchange rate Exchange Rate Effect On Asset Related To Deferred Grant Income Exchange Rate Effect On Asset Related To Deferred Grant Income. Asset related to deferred grant income, Ending Balance Revenue Recognition, Long-term Contracts [Policy Text Block] Revenue from Contract with Customer [Policy Text Block] Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Software [Member] Computer Software, Intangible Asset [Member] Range [Axis] Range [Axis] Range [Domain] Range [Domain] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Use of Estimates, Policy [Policy Text Block] Use of Estimates, Policy [Policy Text Block] Basis of Presentation and Significant Accounting Policies [Text Block] Basis of Presentation and Significant Accounting Policies [Text Block] Developments on Our Maturing Programs New Programs Policy [Policy Text Block] Desctiption of accounting policy for new programs Research and Development Research and Development Expense, Policy [Policy Text Block] Joint Venture Joint Venture Policy [Policy Text Block] Disclosure of accounting policy for joint ventures Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Accounts Receivable Receivables, Policy [Policy Text Block] Inventory Inventory, Policy [Policy Text Block] Property, Plant and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Intangible Assets and Goodwill Goodwill and Intangible Assets, Policy [Policy Text Block] Impairment or Disposal of Long-Lived Assets, and Goodwill Impairment or Disposal of Long-Lived Assets, Including Intangible Assets, Policy [Policy Text Block] Deferred Financing Costs Deferred Charges, Policy [Policy Text Block] Derivative Instruments and Hedging Activities Derivatives, Policy [Policy Text Block] Fair Value of Financial Instruments Fair Value of Financial Instruments, Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Stock-Based Compensation and Other Share-based Payments Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block] Service and Product Warranties And Extraordinary Rework Provision Service and Product Warranties And Extraordinary Rework [Policy Text Block] Disclosure of accounting policy for service and product warranties and extraordinary rework including the methodology for measuring the liability. Disaggregation of Revenue [Abstract] Disaggregation of Revenue [Abstract] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Product and Service [Axis] Product and Service [Axis] Product and Service [Domain] Product and Service [Domain] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] Contract with Customer, Basis of Pricing [Axis] Contract with Customer, Basis of Pricing [Axis] Contract with Customer, Basis of Pricing [Domain] Contract with Customer, Basis of Pricing [Domain] Contract with Customer, Duration [Axis] Contract with Customer, Duration [Axis] Contract with Customer, Duration [Domain] Contract with Customer, Duration [Domain] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Axis] Timing of Transfer of Good or Service [Domain] Timing of Transfer of Good or Service [Domain] Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Axis] Contract with Customer, Sales Channel [Domain] Contract with Customer, Sales Channel [Domain] Customer [Axis] Customer [Axis] Customer [Domain] Customer [Domain] Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Segment Reporting [Abstract] Segment Information Segment Reporting Disclosure [Text Block] Inventory Disclosure [Abstract] Summary Of Inventories [Abstract] Summary Of Inventories [Abstract] -- None. No documentation exists for this element. -- Raw materials Inventory, Raw Materials, Net of Reserves Work-in-process(1) Inventory, Work in Process, Net of Reserves Finished goods Inventory, Finished Goods, Net of Reserves Product inventory Net Inventory Raw Materials Finished Goods And Work In Process Net Inventory Raw Materials Finished Goods And Work In Process Capitalized pre-production(2) Other Inventory, Capitalized Costs, Gross Deferred production(3) Deferred Production Costs Excess-over-average cost that is reasonably expected to be fully offset by lower-than-average cost in future periods of a contract, included in inventory. Provision for Loss on Contracts, Inventory Provision for Loss on Contracts, Inventory Provision for Loss on Contracts, Inventory Total inventory, net Inventory, Net Deferred Production, Reclassified from Work-In-Process Deferred Production, Reclassified from Work-In-Process Deferred Production, Reclassified from Work-In-Process Other Inventory, Capitalized Costs, Gross, reclassified Other Inventory, Capitalized Costs, Gross, reclassified Other Inventory, Capitalized Costs, Gross, reclassified New Market Tax Credit [Abstract] New Market Tax Credit [Abstract] Schedule of Variable Interest Entities [Table] Schedule of Variable Interest Entities [Table] Variable Interest Entities [Axis] Variable Interest Entities [Axis] Variable Interest Entity, Classification [Domain] Variable Interest Entity, Classification [Domain] New Market Tax Credit [Member] New Market Tax Credit [Member] New Market Tax Credit [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Variable Interest Entity [Line Items] Variable Interest Entity [Line Items] Loans Receivable, Net Loans Receivable, Net Variable Interest Entity, Consolidated, Carrying Amount, Liabilities Variable Interest Entity, Consolidated, Carrying Amount, Liabilities Restricted Cash, Current Restricted Cash, Current Accounting Changes and Error Corrections [Abstract] Schedule of Change in Accounting Estimate [Table] Schedule of Change in Accounting Estimate [Table] Change in Accounting Estimate by Type [Axis] Change in Accounting Estimate by Type [Axis] Change in Accounting Estimate, Type [Domain] Change in Accounting Estimate, Type [Domain] Change in Accounting Estimate [Line Items] Change in Accounting Estimate [Line Items] Schedule of Change in Accounting Estimate [Table Text Block] Schedule of Change in Accounting Estimate [Table Text Block] Share-based Compensation [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Award Type [Axis] Award Type [Axis] Equity Award [Domain] Equity Award [Domain] UAW [Member] UAW [Member] -- None. No documentation exists for this element. -- Executive Incentive Plan [Member] Executive Incentive Plan [Member] -- None. No documentation exists for this element. -- Director Stock Plan [Member] Director Stock Plan [Member] -- None. No documentation exists for this element. -- Market Based LTIA [Member] Market Based LTIA [Member] Market Based LTIA [Member] Long Term Incentive Plan [Member] Long Term Incentive Plan [Member] -- None. No documentation exists for this element. -- Short Term Incentive Plan [Member] Short Term Incentive Plan [Member] -- None. No documentation exists for this element. -- Service Based LTIA [Member] Service Based LTIA [Member] Service Based LTIA [Member] Restricted Stock [Member] Restricted Stock [Member] Restricted Stock Units (RSUs) [Member] Restricted Stock Units (RSUs) [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Portion of STIP Paid in Cash Portion of STIP Paid in Cash Portion of STIP Paid in Cash Service Based Portion of LTIA Service Based Portion of LTIA Service Based Portion of LTIA Market Based Portion of LTIA Market Based Portion of LTIA Market Based Portion of LTIA Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Company recognized total stock compensation expense, net of forfeitures Share-based Compensation Accelerated Vesting Expense Accelerated Vesting Expense Accelerated vesting expense for participants meeting the conditions for "Qualifying Retirement" Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Allocated Share-based Compensation Expense Allocated Share-based Compensation Expense Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Intrinsic value of the unvested Share-based Compensation Arrangement by Share-based Payment Award, Equity Instrument Other than Option, Nonvested, Intrinsic Value Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Number of shares granted Grant Date Value Of Shares Vested Grant Date Value Of Shares Vested Value of shares vested as of grant date Service Based LTIP Vesting Period Service Based LTIP Vesting Period Service Based LTIP Vesting Period Shares Vested Shares Vested Number off shares of stock vested in the period Grant Date Of Fair Value Of Shares Granted Fair Value Of Shares Granted Fair Value Of Shares Granted Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Annual vesting installments, beginning on the one-year or two-year anniversary Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period, Vesting Installments Share Based Compensation Arrangement By Share Based Payment Award Options Grants In Period, Vesting Installments Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized 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] Nonvested, beginning balance Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Granted during period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Vested during period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Forfeited during period Nonvested, ending balance Restricted Share Activity [Roll Forward] Restricted Share Activity [Roll Forward] Restricted Share Activity [Roll Forward] Nonvested, beginning balance, value Share Based Compensation Arrangement Grant Date Weighted Average Fair Value The weighted average fair value of nonvested awards on equity-based plans excluding option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, revenue or profit achievement stock award plan) for which the employer is contingently obligated to issue equity instruments or transfer assets to an employee who has not yet satisfied service or performance criteria necessary to gain title to proceeds from the sale of the award or underlying shares or units. Granted during period, value Stock Granted, Value, Share-based Compensation, Gross Vested during period, value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Forfeited during period, value Restricted Stock Award, Forfeitures Nonvested, ending balance, value Defined Benefit Plan, Information about Plan Assets [Abstract] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Maximum [Member] Maximum [Member] Minimum [Member] Minimum [Member] Investment Geographic Region [Axis] Investment Geographic Region [Axis] United States [Member] Unite States [Member] Unite States [Member] international [Member] international [Member] international [Member] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Domestic Plan [Member] Domestic Plan [Member] Foreign Plan [Member] Foreign Plan [Member] Retirement Plan Tax Status [Axis] Retirement Plan Tax Status [Axis] Retirement Plan Tax Status [Domain] Retirement Plan Tax Status [Domain] Retirement Plan Funding Status [Axis] Retirement Plan Funding Status [Axis] Retirement Plan Funding Status [Domain] Retirement Plan Funding Status [Domain] Retirement Plan Name [Axis] Retirement Plan Name [Axis] Retirement Plan Name [Domain] Retirement Plan Name [Domain] Defined Benefit Plan, Plan Assets, Category [Axis] Defined Benefit Plan, Plan Assets, Category [Axis] Defined Benefit Plan, Plan Assets, Category [Domain] Defined Benefit Plan, Plan Assets, Category [Domain] Debt Securities [Member] Debt Securities [Member] Equity Securities [Member] Equity Securities [Member] Real Estate [Member] Real Estate [Member] Industry Sector [Axis] Industry Sector [Axis] Industry Sector [Domain] Industry Sector [Domain] Investment Objective [Axis] Investment Objective [Axis] Investment Objective [Domain] Investment Objective [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] Related Party [Axis] Related Party [Axis] Related Party [Domain] Related Party [Domain] Related Party Transaction [Axis] Related Party Transaction [Axis] Related Party Transaction [Domain] Related Party Transaction [Domain] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan, Plan Assets, Target Allocation, Percentage Defined Benefit Plan, Plan Assets, Target Allocation, Percentage Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage Defined Benefit Plan, Plan Assets, Actual Allocation, Percentage Total Target Allocation Total Target Allocation -- None. No documentation exists for this element. -- Defined Benefit Plan, Plan Assets, Allocations [Abstract] Defined Benefit Plan, Plan Assets, Allocations [Abstract] UNITED STATES Location United States [Member] Disaggregated Revenue based upon location where products and services are transferred to customer: United States [Member] UNITED KINGDOM Location United Kingdom [Member] Disaggregated revenue based upon the location where products and services are transferred to the customer. Location:United Kingdom [Member] Other Countries [Member] Other Countries [Member] Other Countries [Member] Total International Disaggregation of revenue, total international locations [Member] Disaggregation of revenue, total international locations [Member] Transferred over Time [Member] Transferred over Time [Member] Transferred at Point in Time [Member] Transferred at Point in Time [Member] Boeing - all programs [Member] Boeing - all programs [Member] Boeing - all programs Airbus [Member] Airbus [Member] -- None. No documentation exists for this element. -- Other platforms [Member] Other platforms [Member] Other platforms other than Boeing and Airbus platforms/programs [Member] Accounts Receivable, net Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Commitments and Contingencies Disclosure [Abstract] Loss Contingencies [Table] Loss Contingencies [Table] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves Type [Axis] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] SEC Schedule, 12-09, Valuation Allowances and Reserves [Domain] Allowance For Warranties And Extraordinary Rework [Member] Allowance For Warranties And Extraordinary Rework [Member] -- None. No documentation exists for this element. -- Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] Industrial Revenue Bond [Member] Industrial Revenue Bond [Member] -- None. No documentation exists for this element. -- KFDA [Member] KFDA [Member] -- None. No documentation exists for this element. -- Contingencies [Line Items] Contingencies [Line Items] -- None. No documentation exists for this element. -- percentage of represented workers percentage of represented workers percentage of represented workers Valuation allowance Deferred Tax Assets, Valuation Allowance Valuation Allowance, Deferred Tax Asset, Change in Amount Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Loss Contingency Accrual Loss Contingency Accrual Alleged amount of UAW arbitration liability paid by Boeing Alleged amount of UAW arbitration liability paid by Boeing Alleged amount of UAW arbitration liability paid by Boeing net present value of alleged amount of UAW arbitration liability net present value of alleged amount of UAW arbitration liability net present value of alleged amount of UAW arbitration liability Litigation settlement amount against Boeing Litigation settlement amount against Boeing Amount of announced judgment or settlement against Boeing Attorneys fees sought by Boeing related to UAW arbitration Attorneys fees sought by Boeing related to UAW arbitration Attorneys fees sought by Boeing related to UAW arbitration Current and former Spirit Employees, putative Current and former Spirit Employees, putative Current and former Spirit Employees, putative Vesting years, putative Vesting years, putative Vesting years, putative Service warranty roll forward Movement in Standard and Extended Product Warranty Accrual, Increase (Decrease) [Roll Forward] Charges to costs and expenses Product Warranty And Extraordinary Rework Accrual Amounts Issued Represents the aggregate increase in the liability for accruals related to standard and extended product warranties and extraordinary rework issued during the reporting period. Product Warranty Accrual, Payments Standard and Extended Product Warranty Accrual, Decrease for Payments Write-offs, net of recoveries Product Warranty And Extraordinary Rework Write Offs Net Of Recoveries Product warranty and extraordinary rework write-offs, net of recoveries. Exchange rate Product Warranty Extraordinary Rework Accrual Currency Translation Increase Decrease Total increase (decrease) in the standard and extended product warranty and extraordinary rework liability due to currency translation. Product Warranty And Extraordinary Rework, Ending Balance Product Warranty And Extraordinary Rework Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers, and extraordinary rework. Commitments Contingencies And Guarantees Textuals [Abstract] Commitments Contingencies And Guarantees Textuals [Abstract] -- None. No documentation exists for this element. -- Net Forward Loss Charge Recorded Net Forward Loss Charge Recorded Forward loss recorded in the reporting period Capital Commitments Capital Commitments Aggregate capital commitments for the period Interest Expense Related To Capital Leases Capital Leases, Income Statement, Interest Expense Outstanding Amount Of Letter Of Credit Long-term Line of Credit Outstanding Amount Of Guarantees Guarantor Obligations, Maximum Exposure, Undiscounted Tax Exempt Bonds Tax Exempt Bonds Amounts associated with utilization of city and State issued bonds. Restricted Cash and Investments, Noncurrent Restricted Cash and Investments, Noncurrent Product Liability Accrual, Component Amount Product Liability Accrual, Component Amount Product Liability Contingency, Loss Exposure in Excess of Accrual, Best Estimate Product Liability Contingency, Loss Exposure in Excess of Accrual, Best Estimate Concentration Risk [Table] Concentration Risk [Table] Domestic Destination [Member] Domestic Destination [Member] Concentration Risk by Type [Axis] Concentration Risk Type [Axis] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Boeing [Member] Company One [Member] -- None. No documentation exists for this element. -- Gulfstream [Member] Gulfstream Accounts Receivable [Member] -- None. No documentation exists for this element. -- ConcentrationType [Axis] ConcentrationType [Axis] -- None. No documentation exists for this element. -- Concentration Type Member [Domain] Concentration Type Member [Domain] -- None. No documentation exists for this element. -- Revenue [Member] Revenue [Member] -- None. No documentation exists for this element. -- Accounts Receivable [Member] Accounts Receivable [Member] Concentration Risk [Line Items] Concentration Risk [Line Items] Concentration Risk, Percentage Concentration Risk, Percentage Number of employees Number of employees Number of employees contract labor employees contract labor employees contract labor employees Boeing Collective Resolution [Abstract] Boeing Collective Resolution [Abstract] Inventory By Platform [Abstract] Inventory By Platform [Abstract] -- None. No documentation exists for this element. -- Inventory In Process Inventory In Process In process inventory Non-recurring production cost included in inventory Nonrecurring Inventory Non-recurring production costs include design and engineering costs and test articles. Total capitalized pre-production Forward loss provision(4) Provision for Loss on Contracts Cumulative Forward Loss Charges, Net of Contract Liabilities, Open Blocks Cumulative Forward Loss Charges, Net of Contract Liabilities, Open Blocks Cumulative Forward Loss Charges, Net of Contract Liabilities, Open Blocks Net Forward Loss Charges Recorded, Subsequent Planning Block Net Forward Loss Charges Recorded, Subsequent Planning Block Net Forward Loss Charges Recorded, Subsequent Planning Block Net Decrease In Operating Profit From Impact Of Changes In Profit Booking Rates And Other Matters Net Decrease In Operating Profit From Impact Of Changes In Profit Booking Rates And Other Matters The net decrease in operating profit from the impact of changes in the estimated profit booking rates on our contracts accounted for using the percentage-of-completion method of accounting and other matters. Contract Liability Contract Liability Liability created by losses taken on a program in excess of inventory. This amount will be amortized into the forward loss catagory of inventory as inventory on the program increases. Reclassification - inventory Reclassification - inventory Reclassification of work-in-process to forward loss provision. Balance Sheet Related Disclosures [Abstract] Accrued Expenses other [Table] Accrued Expenses other [Table] Accrued Expenses other [Table] Gulfstream [Member] Gulfstream [Member] Gulfstream [Member] Accrued Expenses other [Line Items] Accrued Expenses other [Line Items] [Line Items] for Accrued Expenses other [Table] customer cost recovery - current customer cost recovery - current carrying value as of the balance sheet date of customer cost recovery - short term Other Accrued Liabilities, Current Other Accrued Liabilities, Current Accrued Liabilities, Current [Abstract] Accrued wages and bonuses Accrued Wages And Bonuses Carrying value as of the balance sheet date for employees' services provided and of obligations incurred and payable for incentive compensation awarded to employees and directors or earned by them based on the terms of one or more relevant arrangements. Accrued fringe benefits Other Employee-related Liabilities, Current Accrued interest Interest Payable, Current Workers' compensation Workers' Compensation Liability, Current Property and sales tax Taxes Payable, Current Warranty/extraordinary rework reserve — current Warranty And Extraordinary Rework Reserve Current Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers, and extraordinary rework, current. Other Total Accrued Liabilities, Current Other Liabilities, Noncurrent [Abstract] Federal income taxes — non-current Accrued Federal Income Taxes Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy U.S. Federal tax obligations due beyond one year or the operating cycle, whichever is longer. Deferred tax liability — non-current Deferred Tax Liabilities, Net, Noncurrent Warranty/extraordinary rework reserve — non-current Warranty and Extraordinary Rework Reserve Noncurrent Carrying value as of the balance sheet date of obligations incurred through that date and payable for estimated claims under standard and extended warranty protection rights granted to customers, and extraordinary rework, noncurrent Customer cost recovery Customer Cost Recovery Carrying value as of the balance sheet date of customer cost recovery. Other Other Liabilities and Deferred Revenue, Noncurrent Total Other Liabilities, Noncurrent Property, Plant and Equipment [Abstract] Schedule of Impaired Long-Lived Assets Held and Used [Table] Schedule of Impaired Long-Lived Assets Held and Used [Table] Impaired Long-Lived Assets Held and Used by Type [Axis] Impaired Long-Lived Assets Held and Used by Type [Axis] Impaired Long-Lived Assets Held and Used, Asset Name [Domain] Impaired Long-Lived Assets Held and Used, Asset Name [Domain] Impaired Long-Lived Assets Held and Used [Line Items] Impaired Long-Lived Assets Held and Used [Line Items] Reclassification - PPE Reclassification - PPE Reclassification of capitalized software to machinery and equipment Impairment of Long-Lived Assets Held-for-use Impairment of Long-Lived Assets Held-for-use Property Plant And Equipment Textuals [Abstract] Property Plant And Equipment Textuals [Abstract] -- None. No documentation exists for this element. -- Capitalized Interest Related To Construction-In-Progress Interest Costs Capitalized Repair And Maintenance Costs Cost of Property Repairs and Maintenance Depreciation Expense Related To Capitalized Software Capitalized Computer Software, Amortization Equity [Abstract] Common Class A [Member] Preferred Stock [Member] Preferred Stock [Member] Employee Stock Purchase Plan, Number of Allocated Shares Employee Stock Purchase Plan, Number of Allocated Shares Employee Stock Purchase Plan, Number of Allocated Shares - the shares or unites in an ESSP that may be purchased Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract] Preferred Stock, Number of Shares, Par Value and Other Disclosures [Abstract] Preferred Stock, Shares Authorized Preferred Stock, Shares Authorized Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract] Common Stock, Number of Shares, Par Value and Other Disclosures [Abstract] Common Stock, Shares Authorized Common Stock, Shares Authorized Common stock, shares eliminated Common stock, shares eliminated The number of Class B Common shares which were previously authorized but eliminated via shareholder approval to eliminated Class B commons shares Basic and Diluted Earnings per share Class of Treasury Stock [Table] Class of Treasury Stock [Table] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] 2015 Share Repurchase Program [Member] 2015 Share Repurchase Program [Member] 2015 Share Repurchase Program [Member] 2016 Share Repurchase Program [Member] 2016 Share Repurchase Program [Member] 2016 Share Repurchase Program [Member] 2017 Share Repurchase Program [Member] [Member] 2017 Share Repurchase Program [Member] [Member] 2017 Share Repurchase Program [Member] [Member] Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Common Stock, Dividends, Per Share, Cash Paid Common Stock, Dividends, Per Share, Cash Paid Stock Repurchase Program, Authorized Amount Stock Repurchase Program, Authorized Amount Treasury Stock, Shares, Acquired Treasury Stock, Shares, Acquired Common Stock, Shares, Outstanding Issued But Unvested Shares (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Noncontrolling interest Stockholders' Equity Attributable to Noncontrolling Interest Stock Repurchased During Period, Value Payments of Dividends Payments of Dividends Basic EPS Earnings Per Share, Basic [Abstract] (Loss) income available to common shareholders Net Income (Loss) Available to Common Stockholders, Basic (Loss) income available to common shareholders (in shares) Weighted Average Number of Shares Outstanding, Basic Income allocated to participating securities Net Income Loss Available To Participating Securities Net Income Loss Available To Participating Securities Income allocated to participating securities, shares Incremental Common Shares Attributable to Participating Nonvested Shares with Non-forfeitable Dividend Rights Diluted potential common shares (in shares) Weighted Average Number Diluted Shares Outstanding Adjustment Diluted EPS Earnings Per Share, Diluted [Abstract] Net income Shares Weighted Average Number of Shares Outstanding, Diluted Class of Stock Disclosures [Abstract] Capital Stock Capital Stock [Text Block] Capital Stock [Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Fuselage Systems [Member] Fuselage Systems [Member] -- None. No documentation exists for this element. -- Propulsion Systems [Member] Propulsion Systems [Member] -- None. No documentation exists for this element. -- Wing Systems [Member] Wing Systems [Member] -- None. No documentation exists for this element. -- B747-8 [Member] B747-8 [Member] -- None. No documentation exists for this element. -- B767 [Member] Inventory Type Three [Member] -- None. No documentation exists for this element. -- B878 [Member] B878 [Member] B878 [Member] G280 [Member] G280 [Member] -- None. No documentation exists for this element. -- G650 [Member] G650 [Member] -- None. No documentation exists for this element. -- A350 XWB non-recurring [Member] Airbus350 XWB non-recurring [Member] -- None. No documentation exists for this element. -- Airbus Three Hundred Fifty XWB [Member] Airbus Three Hundred Fifty XWB [Member] -- None. No documentation exists for this element. -- B787 [Member] Inventory Type B787 [Member] -- None. No documentation exists for this element. -- Rolls-Royce [Member] Inventory Type Eight [Member] -- None. No documentation exists for this element. -- Gulfstream G280 [Member] Gulfstream G280 [Member] -- None. No documentation exists for this element. -- Quarterly Information [Line Items] Quarterly Information [Line Items] -- None. No documentation exists for this element. -- Change In Accounting Estimate, aggregate, affecting earnings from continuing operations Change In Accounting Estimate, aggregate, affecting earnings from continuing operations Change In Accounting Estimate, aggregate, affecting earnings from continuing operations loss on divestiture of programs Cumulative Catch Up Adjustment Cumulative Catch Up Adjustment Effect on operating income due to change in accounting estimate Provision For Loss On Contracts Establishment Of A Deferred Tax Asset Valuation Allowance, Charge Establishment of a Deferred Tax Asset Valuation Allowance, Charge Establishment of a Deferred Tax Asset Valuation Allowance, Charge Asset Impairment Charges Asset Impairment Charges Incentive Compensation Included In Unallocated Cost Of Sale Incentive Compensation Included In Unallocated Cost Of Sale Award of stock to eligible employees as part of ten-year agreement with UAW Early Retirement Incentive Included In Ten Year Agreement With Iam Early Retirement Incentive Included In Ten Year Agreement With Iam Charge for early retirement incentive incuded in ten-year agreement with IAM Impact from severe weather event Severe Weather Event Charge The charge taken on the income statement included in operating income for property damage, clean up and recovery costs related to a tornado. Also includes expenses incurred to make up for production interruption and reduce further disruption. Business Combinations [Abstract] Asco Acquisition - SG&A Expenses Asco Acquisition - SG&A Expenses Asco Acquisition - SG&A Expenses Asco Acquisition Asco Acquisition [Text Block] Asco Acquisition ASCO - purchase price ASCO - purchase price ASCO - purchase price Disposal Groups [Abstract] Disposal Groups [Abstract] Loss on divestiture of programs [Text Block] Loss on divestiture of programs [Text Block] Loss on divestiture of programs [Text Block] Income Tax Disclosure [Abstract] Income Taxes Income Tax Disclosure [Text Block] Inventories [Table] Inventories [Table] -- None. No documentation exists for this element. -- Rolls-Royce [Member] Rolls-Royce [Member] Rolls-Royce [Member] A350 XWB [Member] Business/Regional Jets [Member] Boeing Sustaining [Member] -- None. No documentation exists for this element. -- Inventories [Line Items] Inventories [Line Items] -- None. No documentation exists for this element. -- Block And Order Detail [Abstract] Block And Order Detail [Abstract] -- None. No documentation exists for this element. -- Contract Block Quantity Contract Block Quantity Original quantity of the current accounting contract block Orders Firm Orders Number of firm orders received Contract Block Deliveries Contract Block Deliveries Deliveries recorded for current accounting contract block. Government Grants Government Grants [Text Block] Government grants Organization, Consolidation and Presentation of Financial Statements [Abstract] Nature of Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Defined Benefit Plan [Abstract] Annual Expense [Axis] Annual Expense [Axis] -- None. No documentation exists for this element. -- Annual Expense Member [Domain] Annual Expense Member [Domain] -- None. No documentation exists for this element. -- Annual Expense [Member] Annual Expense [Member] -- None. No documentation exists for this element. -- Retirement Plan Type [Axis] Retirement Plan Type [Axis] Retirement Plan Type [Domain] Retirement Plan Type [Domain] Other Benefits [Member] Other Postretirement Benefits Plan [Member] Pension Plan [Member] Pension Plan [Member] Fair Value [Axis] Fair Value [Axis] -- None. No documentation exists for this element. -- Fair Value Member [Domain] Fair Value Member [Domain] -- None. No documentation exists for this element. -- Fair Value [Member] Fair Value [Member] -- None. No documentation exists for this element. -- Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Settlement Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) Defined Benefit Plan, Plan Assets, Increase (Decrease) for Actual Return (Loss) IAM Level of Contribution per hour until June 2010 IAM Level of Contribution per hour until June 2010 IAM Level of Contribution per hour Defined Benefit Plan, Amortization of Gain (Loss) Defined Benefit Plan, Amortization of Gain (Loss) Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment Defined Benefit Plan, Benefit Obligation, (Increase) Decrease for Curtailment Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax Defined Benefit Plan, Accumulated Other Comprehensive Income (Loss), Gain (Loss), before Tax Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment Defined Benefit Plan, Net Periodic Benefit Cost (Credit), Gain (Loss) Due to Curtailment Pension and Other Post-Retirement Benefits Defined Benefit Plan, Net Periodic Benefit Cost (Credit) [Abstract] Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Beginning balance Defined Benefit Plan, Benefit Obligation Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Actuarial (gains) losses Defined Benefit Plan, Benefit Obligation, Actuarial Gain (Loss) Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits Defined Benefit Plan, Benefit Obligation, Special and Contractual Termination Benefits Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment Defined Benefit Plan, Benefit Obligation, Increase (Decrease) for Plan Amendment Defined Benefit Plan, Benefit Obligation, Benefits Paid Defined Benefit Plan, Benefit Obligation, Benefits Paid Expense paid Defined Benefit Plan Rebates From Uk Government Fair Value Defined Benefit Plan Rebates From UK Government Fair Value Exchange rate changes Defined Benefit Plan, Benefit Obligation, Foreign Currency Translation Gain (Loss) Projected benefit obligation at the end of the period Defined Benefit Plan, Benefit Obligation, Contributions by Plan Participant Defined Benefit Plan, Benefit Obligation, Contributions by Plan Participant Total recognized in net periodic benefit cost and OCI Defined Benefit Plan, Assumptions Used in Calculations [Abstract] Discount rate Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Salary increases Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase Medical Assumptions: Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract] Trend assumed for the year Defined Benefit Plan, Health Care Cost Trend Rate Assumed, Next Fiscal Year Ultimate trend rate Defined Benefit Plan, Ultimate Health Care Cost Trend Rate Year that ultimate trend rate is reached Defined Benefit Plan, Year Health Care Cost Trend Rate Reaches Ultimate Trend Rate Change in fair value of plan assets: Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Beginning balance Defined Benefit Plan, Plan Assets, Amount Company contributions Defined Benefit Plan, Plan Assets, Contributions by Employer Defined Benefit Plan, Plan Assets, Contributions by Plan Participant Defined Benefit Plan, Plan Assets, Contributions by Plan Participant Defined Benefit Plan, Plan Assets, Administration Expense Defined Benefit Plan, Plan Assets, Administration Expense Exchange rate changes Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) Defined Benefit Plan, Plan Assets, Payment for Settlement Defined Benefit Plan, Plan Assets, Payment for Settlement Defined Benefit Plan, Plan Assets, Benefits Paid Defined Benefit Plan, Plan Assets, Benefits Paid Ending balance Reconciliation of funded status to net amounts recognized: Defined Benefit Plan, Funded (Unfunded) Status of Plan [Abstract] Funded status (deficit) Defined Benefit Plan, Funded (Unfunded) Status of Plan Net amounts recognized Amounts recognized in balance sheet Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position [Abstract] Noncurrent assets Assets for Plan Benefits, Defined Benefit Plan Current liabilities Liability, Defined Benefit Plan, Current Noncurrent liabilities Liability, Defined Benefit Plan, Noncurrent Net amounts recognized Defined Benefit Plan, Amounts for Asset (Liability) Recognized in Statement of Financial Position Amounts not yet reflected in net periodic benefit cost and included in AOCI: Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax [Abstract] Accumulated gain (loss) Defined Benefit Plan, Accumulated Other Comprehensive (Income) Loss, before Tax Accumulated other comprehensive income (AOCI) Cumulative employer contributions in excess of net periodic benefit cost Defined Benefit Plan Cumulative Employer Contributions In Excess Of Net Period Benefit Cost Defined Benefit Plan Cumulative Employer Contributions In Excess O fNet Period Benefit Cost Prepaid pension cost Defined Benefit Prepaid Pension Cost Defined Benefit Prepaid Pension Cost Net amount recognized in the balance sheet Defined Benefit Plan Net Amount Recognized In Balance Sheet Defined Benefit Plan Net Amount Recognized In The Balance Sheet Information for pension plans with benefit obligations in excess of plan assets: Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Abstract] Projected benefit obligation Defined Benefit Plan, Pension Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Projected Benefit Obligation Accumulated benefit obligation Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets, Accumulated Benefit Obligation Schedule of Prospective Adoption of New Accounting Pronouncements [Abstract] Schedule of Prospective Adoption of New Accounting Pronouncements [Abstract] Prospective Adoption of New Accounting Pronouncements [Table] Prospective Adoption of New Accounting Pronouncements [Table] Prospective Adoption of New Accounting Pronouncements [Axis] Prospective Adoption of New Accounting Pronouncements [Axis] Accounting Guidance [Domain] Accounting Guidance [Domain] Adjustments for New Accounting Pronouncements [Axis] Adjustments for New Accounting Pronouncements [Axis] Type of Adoption [Domain] Type of Adoption [Domain] Accounting Standards Update 2017-07 [Member] Accounting Standards Update 2017-07 [Member] Accounting Standards Update 2016-18 [Member] Accounting Standards Update 2016-18 [Member] Item Effected [Line Items] Item Effected [Line Items] Schedule of Prospective Adoption of New Accounting Pronouncements [Table Text Block] Schedule of Prospective Adoption of New Accounting Pronouncements [Table Text Block] Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] Revenue, Performance Obligation [Abstract] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table Text Block] Cost of Property Repairs and Maintenance Capitalized Computer Software, Amortization Property, plant and equipment, net Property, Plant and Equipment, Net [Abstract] Land Land Buildings (including improvements) Buildings and Improvements, Gross Machinery and equipment Machinery And Equipment Excluding Tooling Gross Machinery And Equipment Excluding Tooling Gross Tooling Tooling Gross Gross tooling Capitalized software Capitalized Computer Software, Gross Construction-in-progress Construction in Progress, Gross Total 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 Defined Contribution Plan [Abstract] Defined Contribution Plan Defined Contribution Plan, Description Defined Contribution Plan Description Defined Contribution Plan Description -- None. No documentation exists for this element. -- Defined Contribution Plan, Employer Matching Contribution, Percent of Match Defined Contribution Plan, Employer Matching Contribution, Percent of Match Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent Defined Contribution Plan, Maximum Annual Contributions Per Employee, Percent Defined Contribution [Table] Defined Contribution [Table] -- None. No documentation exists for this element. -- Defined Contributions [Axis] Defined Contributions [Axis] -- None. No documentation exists for this element. -- Country [Domain] Country [Domain] -- None. No documentation exists for this element. -- U.S. [Member] U.S. [Member] -- None. No documentation exists for this element. -- U.K. [Member] U.K. [Member] -- None. No documentation exists for this element. -- Statement Defined Contribution Plans [Line Items] Statement Defined Contribution Plans [Line Items] -- None. No documentation exists for this element. -- Defined Benefit Plan, Effect of One-Percentage Point Change in Assumed Health Care Cost Trend Rate [Abstract] Defined Benefit Plan, Effect of One-Percentage Point Change in Assumed Health Care Cost Trend Rate [Abstract] Post Retirement one percentage change increase Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation Service and interest on percentage change increase Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components Post Retirement one percentage change decrease Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation Service and interest on percentage change decrease Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components Defined Contribution Plan, Cost Defined Contribution Plan, Cost Equity Stockholders' Equity Note Disclosure [Text Block] Deferred Grant Income Liability, Net Deferred Grant Income Liability Net [Table Text Block] Deferred Grant Income Liability Net Asset Related To Deferred Grant Income, Net Asset Related To Deferred Grant Income Net [Table Text Block] Tabular disclosure of Asset associated with eligible amounts of capital spending under the terms of the grants what will be amortized as a reduction to production cost. New Accounting Pronouncements [Abstract] New Accounting Pronouncements [Abstract] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Accounting Standards Update 2016-02 [Member] Accounting Standards Update 2016-02 [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncement or Change in Accounting Principle Increase to the Assets and Liabilities on Consolidated Balance Sheet New Accounting Pronouncement or Change in Accounting Principle New Accounting Pronouncement or Change in Accounting Principle Increase to the Assets and Liabilities on Consolidated Balance Sheet Quoted Prices in Active Markets for Identical Assets (Level 1) [Member] Fair Value, Inputs, Level 1 [Member] Significant Other Observable Inputs (Level 2) [Member] Fair Value, Inputs, Level 2 [Member] Significant Unobservable Inputs (Level 3) [Member] Fair Value, Inputs, Level 3 [Member] Fair Value Measurements Recurring [Axis] Fair Value Measurements Recurring [Axis] -- None. No documentation exists for this element. -- Fair Value Measurements Recurring [Domain] Fair Value Measurements Recurring [Domain] -- None. No documentation exists for this element. -- Temporary Cash Investments [Member] Temporary Cash Investments [Member] -- None. No documentation exists for this element. -- Collective Investment Trusts [Member] Collective Investment Trusts [Member] -- None. No documentation exists for this element. -- Commingled Equity Bond Funds [Member] Commingled Equity Bond Funds [Member] -- None. No documentation exists for this element. -- Total [Member] Total [Member] -- None. No documentation exists for this element. -- Defined Benefit Plan, Plan Assets, Amount Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Beginning Fair Value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset Value Purchases Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Purchases Gain (loss) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Gain (Loss) Included in Earnings Ending Fair Value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Period Increase (Decrease) Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Asset, Period Increase (Decrease) Advance Payments And Deferred Revenue Credits Details [Abstract] The detailed disclosure of advance payments and deferred revenue credits Deferred Revenue Arrangement, by Type [Table] Deferred Revenue Arrangement, by Type [Table] B737 [Member] Inventory Type One [Member] -- None. No documentation exists for this element. -- Airbus - All Other Platforms [Member] Inventory Type Six [Member] -- None. No documentation exists for this element. -- Gulfstream [Member] Inventory Type Gulfstream [Member] -- None. No documentation exists for this element. -- Other [Member] Other Inventory [Member] -- None. No documentation exists for this element. -- Deferred Revenue Arrangement [Line Items] Deferred Revenue Arrangement [Line Items] Customer advances Customer advances Customer advances Increase (Decrease) in Customer Advances Increase (Decrease) in Customer Advances Advance payments and deferred revenue/credits summarized Deferred Revenue and Credits [Abstract] Amortization Of Advances Per Ship Set (dollars per ship set) Amortization Of Advances Per Ship Set Amount of advance amortized per ship set delivered under an agreement with the customer. Airbus Advance Payments Made Under Agreement Airbus Advance Payments Made Under Agreement Advances paid during the period under a memorandum of understanding signed between Spirit and Airbus related to teh A350 XWB program Advance Payments And Deferred Revenue Credits Advance Payments And Deferred Revenue Credits Advanced payments are those amounts paid by third parties in contemplation of future performance of services, receipt of goods, incurrence of expense, or for other assets provided by Spirit, and are refundable if such obligation is not satisfied. Deferred revenue/credits generally consists of nonrefundable amounts received in advance of revenue being earned for specific contractual deliveries. customer advance reclassification to LT customer advance reclassification to LT customer advance reclassification to LT Supplemental Balance Sheet Information Supplemental Balance Sheet Disclosures [Text Block] Investments, Debt and Equity Securities [Abstract] Investments Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block] Defined Benefit Plan, Expected Future Benefit Payment [Abstract] UNITED KINGDOM UNITED KINGDOM United States [Member] UNITED STATES Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months Defined Benefit Plan, Expected Future Benefit Payment, Next Twelve Months Defined Benefit Plan, Expected Future Benefit Payment, Year Two Defined Benefit Plan, Expected Future Benefit Payment, Year Two Defined Benefit Plan, Expected Future Benefit Payment, Year Three Defined Benefit Plan, Expected Future Benefit Payment, Year Three Defined Benefit Plan, Expected Future Benefit Payment, Year Four Defined Benefit Plan, Expected Future Benefit Payment, Year Four Defined Benefit Plan, Expected Future Benefit Payment, Year Five Defined Benefit Plan, Expected Future Benefit Payment, Year Five Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter Defined Benefit Plan, Expected Future Benefit Payment, Five Fiscal Years Thereafter Fair Value Disclosures [Abstract] Fair Value Assets And Liabilities Measured On Recurring Basis [Table] Fair Value Assets And Liabilities Measured On Recurring Basis [Table] -- None. No documentation exists for this element. -- Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis] Measurement Basis [Axis] Fair Value, Disclosure Item Amounts [Domain] Fair Value Measurement [Domain] Total Carrying Amount in Balance Sheet [Member] Reported Value Measurement [Member] Assets Measured At Fair Value [Member] Assets Measured At Fair Value [Member] -- None. No documentation exists for this element. -- Liabilities Measured At Fair Value [Member] Liabilities Measured At Fair Value [Member] -- None. No documentation exists for this element. -- Fair Value by Asset Class [Axis] Asset Class [Axis] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, by Asset Class [Domain] Asset Class [Domain] Money Market Fund [Member] Money Market Funds [Member] Derivative Instrument Risk [Axis] Derivative Instrument [Axis] Derivative Contract Type [Domain] Derivative Contract [Domain] Interest rate swaps [Member] Interest Rate Contract [Member] Fair Value Assets And Liabilities Measured On Recurring Basis Financial Statement Captions [Line Items] Fair Value Assets And Liabilities Measured On Recurring Basis Financial Statement Captions [Line Items] -- None. No documentation exists for this element. -- Fair Value Measurements Fair Value, Assets, Liabilities and Stockholders' Equity Measured on Recurring Basis [Abstract] (Deprecated 2018-01-31) Money Market Fund Cash and Cash Equivalents, Fair Value Disclosure Fair value liabilities measured on recurring basis Derivative Liability Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Secured Debt Term A [Member] Secured Debt Term A [Member] Secured Debt Term A [Member] Senior Unsecured Notes Due 2021 [Member] [Domain] Senior Unsecured Notes Due 2021 [Member] [Domain] Senior Unsecured Notes Due 2021 [Member] Secured Debt Term B [Member] Secured Debt Term B [Member] Secured Debt Term B [Member] Senior secured term loan (including current portion) [Member] Secured Debt [Member] Senior Unsecured Notes Due 2017 [Member] Senior Unsecured Notes Due Two Thousand And Seventeen [Member] -- None. No documentation exists for this element. -- Senior Unsecured Notes Due 2020 [Member] Senior Unsecured Notes Due Two Thousand And Twenty [Member] -- None. No documentation exists for this element. -- Senior Unsecured Notes Due 2022 [Member] Senior Unsecured Notes Due 2022 [Member] Senior Unsecured Notes Due 2022 [Member] Senior Unsecured Notes Due 2023 [Member] [Domain] Senior Unsecured Notes Due 2023 [Domain] Senior Unsecured Notes Due 2023 Senior Unsecured Notes Due 2026 [Member] Senior Unsecured Notes Due 2026 [Member] Senior Unsecured Notes Due 2026 [Member] Senior Unsecured Notes Due 2028 [Member] Senior Unsecured Notes Due 2028 [Member] Senior Unsecured Notes Due 2028 [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Carrying amount and estimated fair value of long term debt Long-term Debt, Unclassified [Abstract] Long-term Debt, Carrying Amount Long-term Debt Long-term Debt, Fair Value Debt Instrument, Fair Value Disclosure Schedule of Condensed Financial Statements [Table] Condensed Financial Statements [Table] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Consolidation, Eliminations [Member] Consolidation, Eliminations [Member] Subsidiary Issuer [Member] Subsidiary Issuer [Member] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Parent Company [Member] Parent Company [Member] Non-Guarantor Subsidiaries [Member] Non-Guarantor Subsidiaries [Member] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Condensed Consolidating Statements of Operations [Abstract] loss on sale of divestiture Total operating costs and expenses Other income, net (Loss) income before income taxes and equity in net income of affiliates and subsidiaries (Loss) income before equity in net income of affiliates and subsidiaries Equity in net income of subsidiaries Equity in net income of subsidiaries Value of the equity in net income or loss of subsidiary companies not accounted for under the equity method. Total other comprehensive income (loss) Comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Condensed Consolidating Balance Sheets [Abstract] Statement of Financial Position [Abstract] Assets Assets, Current [Abstract] Accounts receivable, net Accounts Receivable, Net, Current Inventory, net Unbilled Receivables, Current Unbilled Receivables, Current Deferred tax asset-current Deferred Tax Assets, Net of Valuation Allowance, Current Other current assets Other Assets, Current Total current assets Assets, Current Property, plant and equipment, net Unbilled Receivable, Non Current Unbilled Receivable, Non Current Unbilled Receivable, Non Current Pension assets Investment in subsidiary Investment In Subsidiary Investiment in subsidiary Equity in net assets of subsidiaries Equity In Net Assets Of Subsidiaries Equity in net assets of subsidiaries not accounted for under the equity method Deferred tax asset-non-current, net Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Other assets Other Assets, Noncurrent Total assets Assets Liabilities Liabilities, Current [Abstract] Accounts payable Accounts Payable, Current Accrued expenses Profit sharing Deferred Compensation Liability, Current Current portion of long-term debt Long-term Debt and Capital Lease Obligations, Current Advance payments, short-term Customer Advances, Current Billings in Excess of Cost, Current Billings in Excess of Cost, Current Provision for Loss on Contracts Deferred revenue and other deferred credits, short-term Deferred Revenue, Current Deferred grant income liability — current Deferred Grant Income Liability Current Deferred Grant Income Liability Current Other current liabilities Other Liabilities, Current Total current liabilities Liabilities, Current Long-term debt Long-term Debt and Capital Lease Obligations Advance payments, long-term Customer Advances, Noncurrent Pension/OPEB obligation Billings in Excess of Cost, Noncurrent Billings in Excess of Cost, Noncurrent Provision for Loss on Contacts, Non Current Provision for Loss on Contacts, Non Current Provision for Loss on Contacts, Non Current Deferred grant income liability — non-current Deferred Grant Income Liability Noncurrent Deferred Grant Income Liability Noncurrent Deferred revenue and other deferred credits Deferred Revenue and Credits, Noncurrent Other liabilities Total equity Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Total liabilities and equity Liabilities and Equity Condensed Consolidating Statements of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Purchase of property, plant and equipment Payments to Acquire Property, Plant, and Equipment Purchase of property, plant and equipment — severe weather event Purchase Of Property Plant And Equipment Severe Weather Event Purchase of property plant and equipment related to severe weather event Proceeds from sale of assets Proceeds from Sale of Other Property, Plant, and Equipment Investing Activities Equity In Net Assets Of Subsidiaries Investing Activities Equity In Net Assets Of Subsidiaries Cash flow impact of equity in net assets of subsidiaries Increase (Decrease) in Restricted Cash Increase (Decrease) in Restricted Cash Other Other Investing Activities Other Investing Activitie Net cash used in 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 Senior Long-term Debt Proceeds from Issuance of Senior Long-term Debt Principal payments of debt Repayments of Long-term Debt Collection on (repayment of) intercompany debt Proceeds From Repayments Of Intercompany Borrowings Collection on (repayment of) intercompany debt Repayments of Debt Repayments of Debt Early Repayment of Senior Debt Early Repayment of Senior Debt Debt issuance and financing costs Payments of Financing Costs Proceeds from Other Debt Proceeds from Other Debt Excess tax benefit of share-based payment arrangements Excess Tax Benefit from Share-based Compensation, Financing Activities Proceeds from (Payments for) Other Financing Activities Proceeds from (Payments for) Other Financing Activities Payments for Repurchase of Common Stock Payments for Repurchase of Common Stock Proceeds from subsidiary (payments to Parent) to pay dividends Proceeds from subsidiary (payments to Parent) to pay dividends Proceeds from subsidiary (payments to Parent) to pay dividends Proceeds from (Repayments of) Restricted Cash, Financing Activities Proceeds from (Repayments of) Restricted Cash, Financing Activities Net cash used in 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 increase (decrease) in cash, cash equivalents, and restricted cash for the period Cash and Cash Equivalents, Period Increase (Decrease) Accounting Changes and Error Corrections [Text Block] Accounting Changes and Error Corrections [Text Block] Other Assets Other Assets [Table Text Block] Other assets Schedule Of Finite-Lived Intangible Assets, Future Amortization Expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Carrying Amount Of Goodwill Schedule of Goodwill [Table Text Block] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Defined Benefit Plans Adjustment [Member] Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Accumulated SERP And Retiree Medical [Member] Accumulated SERP And Retiree Medical [Member] Accumulated SERP And Retiree Medical Member Foreign Currency Impact On Long Term Intercompany Loan [Member] Accumulated Net FX Gain Loss on LT Interco Loan Unrealized [Member] Accumulated Net FX Gain Loss on LT Interco Loan Unrealized Member Accumulated Translation Adjustment [Member] Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Accumulated Interest Rate Swaps Accumulated Interest Rate Swaps [Member] Accumulated Interest Rate Swaps [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Other Comprehensive Income (Loss), Defined Benefit Plan, Gain (Loss), Reclassification Adjustment from AOCI, before Tax Accumulated Other Comprehensive Income (Loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Schedule Of Earnings Per Share, Basic And Diluted Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block] Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Effective Income Tax Rate Reconciliation [Table Text Block] Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Unrecognized Tax Benefits reconciliation Table Summary of Income Tax Contingencies [Table Text Block] Loss on Divestiture of Programs [Abstract] Loss on Divestiture of Programs [Abstract] Proceeds from Divestiture of Businesses, Net of Cash Divested Proceeds from Divestiture of Businesses, Net of Cash Divested Tax Benefit on divestiture of programs Tax Benefit on divestiture of programs The amount of current income expense (benefit) related to the divestiture of programs deferred tax asset valuation allowance - released due to divestiture of programs deferred tax asset valuation allowance - released due to divestiture of programs reduction/release in valuation allowance due to divestiture of programs loss on sale of divestiture, after tax loss on sale of divestiture, after tax The gains and losses included in earnings from operations resulting from the divestiture of programs, net of tax disposal group, not discontinued operation, pretax income (loss) disposal group, not discontinued operation, pretax income (loss) The amount of pretax income (loss) attributable to the disposal group, not discontinued operation, during the reporting period. New Accounting Pronouncement or Change in Accounting Principle Debt Issuance Costs Reclassified to a Reduction in Long term Debt Net New Accounting Pronouncement or Change in Accounting Principle Debt Issuance Costs Reclassified to a Reduction in Long term Debt Net New Accounting Pronouncement or Change in Accounting Principle Debt Issuance Costs Reclassified to a Reduction in Long term Debt Net Deferred Finance Charge For Debt Extinguishment Deferred Finance Charge For Debt Extinguishment The deferred finance charge directly pertaining to an early extinguishment of debt. Amortization Expense Of Intangibles Amortization of Intangible Assets Segment Information Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block] Shareholders' equity Stockholders' Equity Attributable to Parent [Abstract] Preferred stock, par value Preferred Stock, Par or Stated Value Per Share Preferred stock, shares authorized Preferred stock, shares issued Preferred Stock, Shares Issued Common stock, par value Common Stock, Par or Stated Value Per Share Common stock, shares authorized Common stock, shares issued Common Stock, Shares, Issued Treasury Stock, Shares Treasury Stock, Shares Amortized Cost And Approximate Fair Value Of Held To Maturity Securities Amortized Cost And Approximate Fair Value Of Held To Maturity Securities Table [Table Text Block] Table disclosure of Amortized Cost And Approximate Fair Value Of Held To Maturity Securities Held To Maturity Securities Debt Maturities