Condensed Consolidated Statements of Operations (Unaudited) Condensed Consolidated Statements of Operations (Unaudited) [Abstract] Net sales Cost of sales Gross margin Research and development Sales, general and administrative Gain Loss On Sale Of Land Net gain on sale of Kuala Lumpur land and building Restructuring charges Operating income Interest and other income Interest expense Income before income taxes Provision for income taxes Net income Less: Net income (loss) attributable to the noncontrolling interest Net income attributable to Spansion Inc. common stockholders Net income per share Net income 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) Condensed Consolidated Statements of Comprehensive Income (Unaudited) Condensed Consolidated Statements of Comprehensive Income (Unaudited) [Abstract] Net income Other comprehensive loss, net of tax: Other comprehensive loss, net of tax: [Abstract] Foreign currency translation gain (loss) Unrealized loss on cash flow hedges: Unrealized loss on cash flow hedges: [Abstract] Unrealized hedge loss arising during the period Net loss reclassified into earnings for cash flow hedges Net unrealized loss on cash flow hedges Other comprehensive loss, net of tax: Total comprehensive income Less: Comprehensive income (loss) attributable to noncontrolling interest Comprehensive income attributable to Spansion Inc. common stockholders Condensed Consolidated Balance Sheets (Unaudited) Condensed Consolidated Balance Sheets (Unaudited) [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 equity Liabilities and equity [Abstract] Current liabilities: Current liabilities: [Abstract] Accounts payable Accrued compensation and benefits Other accrued liabilities Income taxes payable Deferred income taxes, short-term 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 Spansion Inc. Stockholders’ equity: Spansion Inc. 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 loss Total Spansion Inc. stockholders’ equity Noncontrolling interest Total equity Total liabilities and equity Common stock par value (in Dollars per share) Common stock, shares authorized Common stock, shares issued Common stock, shares outstanding Preferred stock par value (in Dollars per share) Preferred stock, shares authorized Preferred stock, shares issued Preferred stock, shares outstanding Condensed Consolidated Statements of Cash Flows (Unaudited) Condensed Consolidated Statements of Cash Flows (Unaudited) [Abstract] Cash Flows from Operating Activities: Cash Flows from Operating Activities: [Abstract] Adjustments to reconcile net income to net cash provided by operating activities: Adjustments to reconcile net income to net cash provided by operating activities: [Abstract] Depreciation and amortization Gain on liquidation of auction rate securities Provision (benefit) for deferred income taxes Net gain on sale and disposal of property, plant and equipment Asset impairment charges Compensation recognized under employee stock plans Non-cash inventory expenses related to fresh start markup Amortization of inventory fresh start markup Increase decrease operating assets and liabilities 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 Other 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 Payments on debt and capital lease obligations Acquisition of noncontrolling interest Cash settlement on hedging activities Purchase of Bankruptcy Claims Purchase of bankruptcy claims 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 Note 1. Basis of Presentation Basis of Presentation and Significant Accounting Policies [Text Block] Note 2. Recent Accounting Pronouncements Description of New Accounting Pronouncements Not yet Adopted [Text Block] Note 3. Balance Sheet Components Supplemental Balance Sheet Disclosures [Text Block] Note 4. Equity Incentive Plan and Stock-Based Compensation Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Note 5. Net Income Per Share Earnings Per Share [Text Block] Note 6. Intangible Assets and Goodwill Goodwill and Intangible Assets Disclosure [Text Block] Note 7. Debt Debt Disclosure [Text Block] Note 8. Fair Value Measurement Fair Value Disclosures [Text Block] Note 9. Derivative Financial Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Note 10. Income Taxes Income Tax Disclosure [Text Block] Note 11. Restructuring and Others Restructuring and Related Activities Disclosure [Text Block] Note 12. Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Note 13. Ongoing Bankruptcy Related Matters Ongoing Bankruptcy Related Matters [Text Block] Ongoing Bankruptcy Related Matters [Text Block] Significant Accounting Policies (Abstract) Significant Accounting Policies Consolidation, Policy [Policy Text Block] Use of Estimates, Policy [Policy Text Block] Schedule of Amounts Recognized in Balance Sheet [Table Text Block] Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [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 Compensation, Stock Options, Activity [Table Text Block] Schedule of Share-based Compensation, Restricted Stock and Restricted Stock Units Activity [Table Text Block] Schedule of Calculation of Numerator and Denominator in Earnings Per Share [Table Text Block] Schedule of Estimated Useful Life. 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 Estimated Useful Life [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 Instrument Related To Other Comprehensive Income Table [Text Block] Schedule Of Condensed Consolidated Statements Of Operations From Derivative Financial Instruments Table [Text Block] Schedule Of Fair Value Of Derivative Instruments On Balance Sheet Table [Text Block] Schedule Of Derivative Instrument Related To Other Comprehensive Income [Table Text Block] Schedule of Notional Amounts of Outstanding Derivative Positions [Table Text Block] Schedule Of Condensed Consolidated Statements Of Operations From Derivative Financial Instruments [Table Text Block] Schedule Of Fair Value Of Derivative Instruments On Balance Sheet [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] Property, Plant and Equipment, Type [Domain] Schedule of Fair Value of Separate Accounts by Major Category of Investment, Category [Domain] Cash and cash equivalents Cash and cash equivalents [Abstract] Cash Cash equivalents: Cash equivalents: [Abstract] Money market funds FDIC insured certificates of deposit Short-term investments Short-term investments [Abstract] Commercial paper Account receivable, net Account receivable, net [Abstract] Accounts receivable, gross Allowance for doubtful accounts Account receivable, net Inventories