Income Statement [Abstract] Net sales Cost of sales Gross Profit Research and development Sales, general and administrative Net gain on sale of Kuala Lumpur land and building Restructuring charges or credits incurred during the reporting period. Restructuring charges (credits) Operating income (loss) Interest and other income (expense) Interest expense Income (loss) before income taxes Provision (benefit) for income taxes Net income (loss) Less: Net loss attributable to the noncontrolling interest Net income (loss) attributable to Spansion Inc. common stockholders Net income (loss) per share Net income (loss) per share [Abstract] Basic (in Dollars per share) Diluted (in Dollars per share) Shares used in per share calculation Shares used in per share calculation [Abstract] Basic (in Shares) Diluted (in Shares) Statement of Comprehensive Income [Abstract] Net income (loss) Other comprehensive income (loss), net of tax: Other comprehensive income (loss), net of tax: [Abstract] Gain on auction rate securities reclassified into earnings Net foreign currency translation gain (loss) Net unrealized gain on cash flow hedges: Net unrealized gain on cash flow hedges: [Abstract] Net unrealized hedge gain arising during the period Net gain reclassified into earnings for cash flow hedges (ineffective portion) Net gain reclassified into earnings for cash flow hedges (effective portion) Net unrealized gain on cash flow hedges Other comprehensive income, net of tax Total comprehensive income (loss), net of tax Less: Comprehensive loss attributable to noncontrolling interest Comprehensive income (loss) attributable to Spansion Inc. common stockholders Statement of Financial Position [Abstract] Class of Stock [Domain] Assets Assets [Abstract] Current assets: Current assets: [Abstract] Cash and cash equivalents Short-term investments Accounts receivable, net Inventories Deferred income taxes Prepaid expenses and other current assets Total current assets Property, plant and equipment, net Intangible assets, net Goodwill Other assets Total assets Liabilities and Stockholders' Equity Liabilities and Stockholders' Equity [Abstract] Current liabilities: Current liabilities: [Abstract] Accounts payable Accrued compensation and benefits Other accrued liabilities Income taxes payable Deferred income Current portion of long-term debt Total current liabilities Deferred income taxes Long-term debt, less current portion Other long-term liabilities Total liabilities Commitments and contingencies (Note 14) Stockholders’ equity: Stockholders’ equity: [Abstract] Capital stock: Capital stock: [Abstract] Common stock Preferred stock, $0.001 par value, 50,000,000 shares authorized, 0 shares issued and outstanding Additional paid-in capital Accumulated deficit Accumulated other comprehensive income (loss) (Note 5) Total stockholders' equity Total liabilities and stockholders' equity Common stock par value (in Dollars per share) Common stock, shares authorized (in Shares) Common stock, shares issued (in Shares) Common stock, shares outstanding (in Shares) Preferred stock par value (in Dollars per share) Preferred stock, shares authorized (in Shares) Preferred stock, shares issued (in Shares) Preferred stock, shares outstanding (in Shares) Statement of Cash Flows [Abstract] Cash Flows from Operating Activities: Cash Flows from Operating Activities: [Abstract] Adjustments to reconcile net income (loss) to net cash provided by operating activities: Adjustments to reconcile net income (loss) to net cash provided by operating activities: [Abstract] Depreciation and amortization Gain on liquidation of auction rate securities Provision for deferred income taxes Net gain on sale and disposal of property, plant and equipment Asset impairment charges Compensation recognized under employee stock plans Changes in assets and liabilities Net cash provided by operating activities Cash Flows from Investing Activities: Cash Flows from Investing Activities: [Abstract] Proceeds from liquidation of auction rate securities Proceeds from sale of property, plant and equipment Purchases of property, plant and equipment Proceeds from maturities of marketable securities Purchases of marketable securities Net cash provided by (used for) investing activities Cash Flows from Financing Activities: Cash Flows from Financing Activities: [Abstract] Proceeds from issuance of common stock due to options exercised Refinancing cost on Revolver Payments on debt Acquisition of noncontrolling interest Cash settlement on hedging activies Net cash used for financing activities Effect of exchange rate changes on cash and cash equivalents Net increase (decrease) in cash and cash equivalents Cash and cash equivalents, beginning of period Cash and cash equivalents, end of period Non-cash investing and financing activities: Non-cash investing and financing activities: [Abstract] Liabilities recorded for purchases of property, plant and equipment Disclosure Text Block [Abstract] Basis of Presentation and Significant Accounting Policies [Text Block] Description of New Accounting Pronouncements Not yet Adopted [Text Block] Business Combination Disclosure [Abstract] Business Combination Disclosure [Text Block] Business Combination Disclosure [Text Block] Supplemental Balance Sheet Disclosures [Abstract] Supplemental Balance Sheet Disclosures [Text Block] Supplemental Balance Sheet Disclosures [Text Block] Other Comprehensive Income, Noncontrolling Interest [Abstract] Other Comprehensive Income, Noncontrolling Interest [Text Block] Other Comprehensive Income, Noncontrolling Interest [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Earnings Per Share [Abstract] Earnings Per Share [Text Block] Earnings Per Share [Text Block] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Text Block] Goodwill and Intangible Assets Disclosure [Text Block] Debt Disclosure [Abstract] Debt Disclosure [Text Block] Debt Disclosure [Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Text Block] Fair Value Disclosures [Text Block] Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Text Block] Derivative Instruments and Hedging Activities Disclosure [Text Block] Income Tax Disclosure [Abstract] Income Tax Disclosure [Text Block] Income Tax Disclosure [Text Block] Restructuring and Related Activities Disclosure [Abstract] Restructuring and Related Activities Disclosure [Text Block] Restructuring and Related Activities Disclosure [Text Block] Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Text Block] Commitments and Contingencies Disclosure [Text Block] Ongoing Bankruptcy Related Matters [Abstract] Ongoing Bankruptcy Related Matters [Text Block] Ongoing Bankruptcy Related Matters [Text Block] Ongoing Bankruptcy Related Matters [Text Block] Subsequent Events [Abstract] Subsequent Events [Text Block] Subsequent Events [Text Block] Accounting Policies [Abstract] Consolidation, Policy [Policy Text Block] Use of Estimates, Policy [Policy Text Block] Schedule of Amounts Recognized in Balance Sheet [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Schedule Of Shares Available For Grant [Table Text Block] Schedule Of Shares Available For Grant [Table Text Block] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value [Table Text Block] Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block] Schedule of Share-based Compensation, Stock Options, Activity [Table Text Block] Schedule of Share-based Compensation, Restricted Stock Units Award Activity [Table Text Block] Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of Actual Amortization Expense [Table Text Block] Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Goodwill [Table Text Block] Schedule of Debt [Table Text Block] Schedule Of Financial Instruments Not Carried At Fair Value [Table Text Block] Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Schedule Of Financial Instruments Not Carried At Fair Value [Table Text Block] Schedule of Derivative Instruments, Effect on Other Comprehensive Income (Loss) [Table Text Block] Derivative Instruments, Gain (Loss) [Table Text Block] Schedule of Derivative Instruments in Statement of Financial Position, Fair Value [Table Text Block] Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Schedule of Product Warranty Liability [Table Text Block] Balance Sheet Components Balance Sheet Components [Abstract] Schedule of Fair Value of Separate Accounts by Major Category of Investment, Category [Domain] Note 4. Balance Sheet Components (Details) - Balance Sheet Components [Table] Note 4. Balance Sheet Components (Details) - Balance Sheet Components [Line Items] Cash and cash equivalents Cash and cash equivalents [Abstract] Cash Cash equivalents: Cash equivalents: [Abstract] Money market funds FDIC insured certificates of deposit