Extinguishment of Debt [Line Items] Extinguishment of Debt [Line Items] Loss contingency, judgment under appeal Loss Contingency, Judgment Under Appeal Loss contingency resulting from a judgment that is currently under appeal. While not probable as of the reporting date, this judgment could result in an obligation to pay the disclosed amount. Common Stock Repurchase, Authorized Amount Stock Repurchase Program, Authorized Amount Hedging Designation Hedging Designation [Domain] Customer Customer [Domain] Percent of annualized revenue derived from impacted products Loss Contingency, Percent of Potentially Impacted Revenue The estimated percent of revenue that could potentially be impacted by a loss contingency. Increase (Decrease) in Cash Increase (Decrease) in Cash From Certain Debt Activities, Net The net increase (decrease) in cash from debt issuances and unscheduled debt repayments during the period. Unrealized Gains (Losses) on Investments AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] Amount reclassified out of accumulated other comprehensive income Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Fair Value Hierarchy Fair Value Hierarchy and NAV [Domain] Net income Net income Net income attributable to Micron - Basic Net Income (Loss) Attributable to Parent Entity Emerging Growth Company Entity Emerging Growth Company Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Short-term investments Short-term Investments Debt Securities, Available-for-sale, Current 2026 Revolving Credit Facility 2026 Revolving Credit Facility [Member] 2026 Revolving Credit Facility signed May 14, 2021 Salaries, wages, and benefits Employee-related Liabilities, Current Income Statement Location Income Statement Location [Axis] Accumulated Amortization, Product and process technology Finite-Lived Intangible Assets, Accumulated Amortization Range Statistical Measurement [Domain] Entity Address, Address Line One Entity Address, Address Line One Schedule of Maturities of Notes Payable Schedule of Maturities of Long-term Debt [Table Text Block] Segment Reporting Policy Segment Reporting, Policy [Policy Text Block] Consideration for Lehi, UT facility Disposal Group, Including Discontinued Operation, Consideration Revenue from Contract with Customer [Abstract] Revenue from Contract with Customer [Abstract] Additional capital Additional Paid in Capital, Common Stock Entity Filer Category Entity Filer Category Earnings Per Share Reconciliation [Abstract] Earnings Per Share Reconciliation [Abstract] Operating leases, Weighted-average remaining lease term (in years) Operating Lease, Weighted Average Remaining Lease Term Number of patents allegedly infringed Loss Contingency, Patents Allegedly Infringed, Number Other noncurrent assets Other Assets, Noncurrent Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Segments Segments [Axis] Number of shares available for future awards (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Net increase (decrease) in cash, cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Raw materials and supplies Inventory, Raw Materials and Supplies, Net of Reserves Debt Instrument, Redemption Price Percentage, Optional Redemption Debt Instrument, Redemption Price, Percentage Schedule of Other Nonoperating Income (Expense), Net Schedule of Other Nonoperating Income (Expense) [Table Text Block] 2024 Long-Term Debt, Maturity, Year Two Stock-based compensation expense APIC, Share-based Payment Arrangement, Increase for Cost Recognition Certificates of deposits Certificates of Deposit [Member] Cash and equivalents and the fair values of available-for-sale investments Debt Securities, Available-for-sale [Table Text Block] Equipment not placed into service Equipment not placed into service [Member] Equipment which has not placed into service as it is still in the process of being installed and qualified. SBU SBU [Member] Storage Business Unit (SBU) includes SSDs and component-level solutions sold into enterprise and cloud, client, and consumer storage markets, and other discrete storage products sold in component and wafer form. Lehi, Utah Fab and 3D XPoint Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Accumulated Other Comprehensive Income (Loss), Net of Tax [Abstract] Remainder of 2022 Long-Term Debt, Maturity, Remainder of Fiscal Year Lehi held for sale write-down Disposal Group, Not Discontinued Operation, Loss (Gain) on Write-down Fair value hedges Fair Value Hedging [Member] Disposal Group, Including Discontinued Operation, Classified Balance Sheet Disclosures [Abstract] Disposal Group, Including Discontinued Operation, Classified Balance Sheet Disclosures [Abstract] Document Fiscal Year Focus Document Fiscal Year Focus Dividends, Common Stock [Abstract] Dividends, Common Stock [Abstract] Subsequent Event Type Subsequent Event Type [Domain] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Repurchase of stock Treasury Shares Acquired and Stock Repurchased and Retired Equity impact of 1) the value of stock that has been repurchased and retired during the period (excess of the purchase price over par value can be charged against retained earnings once the excess is fully allocated to additional paid in capital) and 2) the cost of common and preferred stock that were repurchased during the period through single or various means. Amortization of Intangible Assets Amortization of Intangible Assets Maturities of Long-term Debt [Abstract] Maturities of Long-term Debt [Abstract] Payment obligations Lessee, Finance Lease, Lease Not Yet Commenced, Future Payments Future undiscounted payments due under finance lease agreements that have been signed but have not yet commenced. Long-term debt Long-term debt (including finance lease obligation) Long-term Debt and Lease Obligation Antidilutive potential common shares that could dilute basic earnings per share in the future (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Operating leases, Weighted-average discount rate Operating Lease, Weighted Average Discount Rate, Percent Schedule of Inventories Schedule of Inventory, Current [Table Text Block] Revenue recognized from beginning balance Contract with Customer, Liability, Revenue Recognized Loss on Lehi disposal, income statement location Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal, Statement of Income or Comprehensive Income [Extensible Enumeration] Research and development Research and Development Expense [Member] Hedge accounting fair value adjustment Hedged Liability, Fair Value Hedge, Cumulative Increase (Decrease) Weighted-average grant-date fair value per share (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Cash flow hedges Cash Flow Hedging [Member] SOFR Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Property, plant, and equipment, gross Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, before Accumulated Depreciation and Amortization Proceeds from maturities of available-for-sale securities Proceeds from Maturities, Prepayments and Calls of Debt Securities, Available-for-sale Revolving Credit Facility [Abstract] Line of Credit Facility [Abstract] Disposal Group Name Disposal Group Name [Axis] Income Tax Authority Name Income Tax Authority, Name [Axis] Equity Award Award Type [Domain] Micron Vs Fujian Jinhua Micron Vs Fujian Jinhua [Member] Micron Vs Fujian Jinhua Share Repurchase Program Share Repurchase Program [Domain] Lessee, Finance Lease, Description [Abstract] Lessee, Finance Lease, Description [Abstract] Annual amortization expense for intangible assets [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Assets Assets [Abstract] 2025 Long-Term Debt, Maturity, Year Three Land Land [Member] Finance leases, noncash acquisitions of right-of-use assets Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Government securities US States and Political Subdivisions Debt Securities [Member] Derivative Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Unallocated Segment Reconciling Items [Member] Restricted stock award shares granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period 3D XPoint 3D XPoint [Member] 3D XPoint non-volatile memory Concentration Risk, Percentage Concentration Risk, Percentage Intangible Assets and Goodwill Goodwill and Intangible Assets Disclosure [Text Block] Entity Address, City or Town Entity Address, City or Town 2032 Green Bonds Unsecured Senior Corporate Green Bond Due 2032 [Member] Unsecured Senior Corporate Green Bond Due 2032 issued November 1, 2021 Retained Earnings Retained Earnings [Member] Debt Instrument Debt Instrument [Axis] Increase (Decrease) Principal Debt Instrument Net Increase (Decrease) Principal The net increase (decrease) in principal amount of debt for the period. Lease term Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization [Abstract] Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization [Abstract] Cash flows used for financing activities Cash Flow, Financing Activities, Lessee [Abstract] Qimonda AG Inotera Share Purchase Proceedings Qimonda AG Inotera Share Purchase Proceedings [Member] Qimonda AG Inotera Share Purchase Proceedings [Member] DRAM DRAM Products [Member] DRAM semiconductor products United Microelectronics Corporation vs Micron-Complaint 1 United Microelectronics Corporation [Member] United Microelectronics Corporation filed a patent infringement suit against Micron Semiconductor (Xi'an) Co., Ltd. Dividends Payable, Date of Record Dividends Payable, Date of Record Extinguishment of Debt Extinguishment of Debt [Axis] Operating leases, noncash acquisitions of right-of-use assets Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Contingencies Contingencies Disclosure [Text Block] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Lehi property, plant, and equipment disposed of Disposal Group, Including Discontinued Operation, Property, Plant and Equipment Cash flows used for financing activities from financing leases Finance Lease, Principal Payments Entity Interactive Data Current Entity Interactive Data Current Net income attributable to Micron - Diluted Net Income (Loss) Attributable to Parent, Diluted Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] Basic (in dollars per share) Earnings Per Share, Basic Loss Contingency, Pending Claims, Number Loss Contingency, Pending Claims, Number Noncurrent unearned government incentives Unearned Government Incentives, Noncurrent Liability for government incentives (proceeds from government agencies to incentivize certain types of investments, improvements, behaviors, etc.) that are expected to be recognized (earned) after one year or beyond the normal operating cycle, if longer. Restricted stock awards Restricted stock award [Member] Equity awards that include both restricted stock (stock including a provision that prohibits sale or substantive sale of an equity instrument for a specified period of time or until specified performance conditions are met) and restricted stock units (Share instrument which is convertible to stock after a specified period of time or when specified performance conditions are met). 2025 Lessee, Operating Lease, Liability, to be Paid, Year Three Revenue and Customer Contract Liabilities Revenue from Contract with Customer [Text Block] Consideration Payable to Customers Contract with Customer, Refund Liability [Abstract] Document Type Document Type 2023 Long-Term Debt, Maturity, Year One Revenue by Technology Disaggregation of Revenue [Table Text Block] Restricted Stock Awards Shares [Roll Forward) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Measurement Basis Fair Value Measurement [Domain] Entity Current Reporting Status Entity Current Reporting Status Commercial paper Commercial Paper [Member] General maturity of currency forward contracts (in months) Maximum Remaining Maturity of Foreign Currency Derivatives Operating leases Operating Lease, Payments Fair Value of Assets Derivative Asset, Fair Value, Gross Asset Net gains (losses) recognized in other comprehensive income from cash flow hedges Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Property, plant, and equipment Property, Plant, and Equipment Payable, Current Carrying value as of the balance sheet date of payables for the acquisition of property, plant, and equipment not classified as trade payables. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer). Receivables Receivables Receivables, Net, Current Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table] Lehi, Utah Facility Lehi Utah Facility (MTU) [Member] The fabrication facility and related assets and liabilities associated with Lehi, Utah facility also known as Micron Technology Utah (MTU) Total Long-term Debt Long-term Debt Finance lease right-of-use assets (included in property, plant, and equipment and assets held for sale) Finance Lease, Right-of-Use Asset, after Accumulated Amortization MBU MBU [Member] Mobile Business Unit (MBU) includes memory products sold into smartphone and other mobile-device markets. Level 1 Fair Value, Inputs, Level 1 [Member] Cash flows from investing activities Net Cash Provided by (Used in) Investing Activities [Abstract] Other Other Other Nonoperating Income Expense The net of other nonoperating income and other nonoperating expense, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items. Other Other Operating Activities, Cash Flow Statement Document Transition Report Document Transition Report Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Operating Lease Maturities Lessee, Operating Lease, Liability, Payment, Due [Abstract] Income tax (provision) benefit Income Tax Expense (Benefit), Continuing Operations [Abstract] Amortizing assets [Line Items] Finite-Lived Intangible Assets [Line Items] Total liabilities and equity Liabilities and Equity Pending Litigation Pending Litigation [Member] Gains (losses) on derivative instruments Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Contract liabilities Contract with Customer, Liability, Current Long-term Debt and Lease Obligation [Abstract] Long-term Debt and Lease Obligation [Abstract] Restricted cash Restricted Cash Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Liabilities and equity Liabilities and Equity [Abstract] Derivative [Line Items] Derivative [Line Items] Hedging Relationship Hedging Relationship [Domain] Interest rate swap Interest Rate Swap [Member] Accounts payable and accrued expenses Total accounts payable and accrued expenses Accounts Payable and Accrued Liabilities, Current Fujian Jinhua Integrated Circuit Co., Ltd. vs Micron-Complaint 2 Fujian Jinhua Integrated Circuit Co., Ltd. Complaint 2 [Member] Fujian Jinhua Integrated Circuit Co., Ltd. Complaint 2 [Member] Income Tax Contingency [Table] Income Tax Contingency [Table] Innovative Memory Solutions, Inc. vs Micron-Complaint 1 Innovative Memory Solutions, Inc. Delaware Court [Member] Innovative Memory Solutions, Inc. filed a patent infringement action against us in the U.S. District Court for the District of Delaware. The complaint alleges that a variety of our NAND Flash products infringe eight U.S. patent and seeks damages, attorneys' fees, and costs. Earnings Per Share Earnings Per Share [Text Block] Extinguishment of Debt Disclosures [Abstract] Extinguishment of Debt Disclosures [Abstract] Repayments of debt Repayment of Long-term Debt, Long-term Lease Obligation, and Capital Security 2026 Finite-Lived Intangible Asset, Expected Amortization, Year Four Expense capitalized and remained in inventory Other Inventory, Capitalized Costs, Gross Minimum Minimum [Member] Loss Contingency [Abstract] Loss Contingency [Abstract] Income and other taxes Income Taxes Receivable, Current Gross margin Gross Profit 2024 Lessee, Operating Lease, Liability, to be Paid, Year Two Effect of changes in currency exchange rates on cash, cash equivalents, and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Inventory, Net, Items Net of Reserve Alternative [Abstract] Inventory, Net, Items Net of Reserve Alternative [Abstract] Income (loss) before income taxes, net income (loss) attributable to noncontrolling interests, and equity in net income (loss) of equity method investees Income before taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Noncontrolling Interest Selling, general, and administrative Selling, General and Administrative Expense Debt Issuance Costs Debt Issuance Costs, Net Reclassifications Reclassification, Comparability Adjustment [Policy Text Block] Unrecognized Tax Benefits Unrecognized Tax Benefits Schedule Of Interim Income Tax Disclosures Schedule Of Interim Income Tax Disclosures [Table Text Block] Schedule Of Interim Income Tax Disclosures Leases Lessee, Finance Leases [Text Block] Other comprehensive income before reclassifications Other Comprehensive Income (Loss), before Reclassifications, before Tax Trading Symbol Trading Symbol Damages sought on alleged patent infringement Loss Contingency, Damages Sought, Value Deferred tax assets Deferred Income Tax Assets, Net 2026 Long-Term Debt, Maturity, Year Four Netlist Inc vs Micron - Complaint 2 Netlist Inc Complaint 2 [Member] Netlist Inc second patent infringement complaint Cumulative Foreign Currency Translation Adjustment Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Debt Debt Disclosure [Text Block] Equity Plans Share-based Payment Arrangement [Text Block] Payments of dividends to shareholders Payments of Common Stock Dividends Payments of Ordinary Dividends, Common Stock Inventories Inventory Disclosure [Text Block] Accumulated depreciation Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, Accumulated Depreciation and Amortization Accounting Policies [Abstract] Accounting Policies [Abstract] Derivative Instrument Derivative Instrument [Axis] Number of reportable segments Number of Reportable Segments Subsequent indirect DRAM Purchasers United States vs Micron Subsequent indirect DRAM Purchasers United States [Member] [Member] Subsequent indirect DRAM Purchasers United States [Member] [Member] Cash and Investments Cash, Cash Equivalents, and Marketable Securities [Text Block] 2051 Notes Unsecured Senior Corporate Debt Due 2051 [Member] Unsecured Senior Corporate Debt Due 2051 issued November 1, 2021 Loss Contingency, Patents Found Not Infringed, Number Loss Contingency, Patents Found Not Infringed, Number Operating Lease Liability Operating Lease, Liability Common stock, $0.10 par value, 3,000 shares authorized, 1,220 shares issued and 1,120 outstanding (1,216 shares issued and 1,119 outstanding as of September 2, 2021) Common Stock, Value, Issued Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Finance leases, Weighted-average discount rate Finance Lease Effective Rate (in ten thousandths) Finance Lease, Weighted Average Discount Rate, Percent Lehi liabilities disposed of (primarily finance lease obligations) Disposal Group, Including Discontinued Operation, Liabilities Weighted average period that unrecognized compensation costs is expected to be recognized (in years) Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Customer Concentration Risk Customer Concentration Risk [Member] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Fujian Jinhua Integrated Circuit Co., Ltd. vs Micron-Complaint 1 Fujian Jinhua Integrated Circuit Co., Ltd. [Member] Fujian Jinhua Integrated Circuit Co., Ltd. filed a patent infringement suit against Micron Semiconductor (Xi'an) Co., Ltd. Commitments and contingencies Commitments and Contingencies Leases Lessee, Operating Leases [Text Block] Accumulated other comprehensive income (loss) Accumulated other comprehensive income (loss) Accumulated other comprehensive income (loss) Accumulated Other Comprehensive Income (Loss), Net of Tax Amortization of right-of-use asset Finance Lease, Right-of-Use Asset, Amortization Class of Treasury Stock [Table] Class of Treasury Stock [Table] Increase in Cash - Issuances Proceeds from Debt, Net of Issuance Costs 3D XPoint inventory write-down Inventory Write-down Remainder of 2022 Lessee, Operating Lease, Liability, to be Paid, Remainder of Fiscal Year Other Non-Operating Income (Expense), Net Other Nonoperating Income and Expense [Text Block] Receivables [Abstract] Receivables [Abstract] Notional Disclosures [Abstract] Notional Disclosures [Abstract] Micron Intel JV Arbitration Matter Micron Intel JV Arbitration Matter [Member] Micron Intel JV Arbitration Matter Document Period End Date Document Period End Date Allied Telesis K.K. vs Micron Allied Telesis K.K. [Member] Allied Telesis K.K. Entity Registrant Name Entity Registrant Name Micron Vs United Microelectronics Corporation Micron Vs United Microelectronics Corporation [Member] Micron Vs United Microelectronics Corporation Claims on Behalf of Indirect Purchasers Claims on Behalf of Indirect Purchasers [Member] Legal claims made on behalf of indirect purchasers of products Less imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Work in process Inventory, Work in Process, Net of Reserves Dismissed Litigation Dismissed Litigation [Member] Dismissal of a litigation claim by the court or jurisdictional in which the complaint was filed. Financial Instrument Financial Instrument [Axis] Selling, general, and administrative Selling, General and Administrative Expenses [Member] Cash dividends declared (per share) Common Stock, Dividends, Per Share, Declared Revenue Revenue from Contract with Customer, Excluding Assessed Tax Less imputed interest Finance Lease, Liability, Undiscounted Excess Amount Finished goods Inventory, Finished Goods, Net of Reserves Receivables Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Employee Stock Option Share-based Payment Arrangement, Option [Member] Consolidation Items Consolidation Items [Domain] Carrying Value Reported Value Measurement [Member] Micron Shares Equity [Abstract] Fair Value, Hierarchy Fair Value Hierarchy and NAV [Axis] Repurchases Authorized by the BOD Stock Repurchases Authorized May 2018 By The Board Of Directors [Member] Shares of the entity's own stock purchased or authorized to be purchased by the Board of Directors in open market purchases, block trades, privately-negotiated transactions, derivative transactions, and/or pursuant to a rRule 10b5-1 trading plan subject to the best use of available cash beginning in 2019. Payments on equipment purchase contracts Payments on equipment purchase contracts Payments on Short-term payables arising from purchases of equipment. Amount represents payments on short-term payables to equipment suppliers that were withheld until such time as the equipment is deemed to meet buyers' specifications. 2027 and thereafter Finance Lease Liability, Payments, Due After Year Four Amount of lessee's undiscounted obligation for lease payment for finance lease to be paid after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). Common Stock Common Stock [Member] Variable Rate Variable Rate [Axis] Other Nonoperating Income (Expense) [Abstract] Other Nonoperating Income (Expense) [Abstract] Segment and Other Information Segment Reporting Disclosure [Text Block] Finance leases, Weighted-average remaining lease term (in years) Finance Lease, Weighted Average Remaining Lease Term Operating income Operating income (loss) Operating Income (Loss) Proceeds from sale of Lehi, Utah fab Proceeds from Sale of Other Assets, Investing Activities Schedule of Property, Plant, and Equipment [Table] Property, Plant and Equipment [Table] Current operating lease liabilities (included in accounts payable and accrued expenses) Operating Lease, Liability, Current Debt Securities, Available-for-sale [Line Items] Debt Securities, Available-for-sale [Line Items] 2024 Finite-Lived Intangible Asset, Expected Amortization, Year Two Treasury Stock, held (in shares) Treasury Stock, Common, Shares Hedging Designation Hedging Designation [Axis] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Property, Plant and Equipment [Abstract] Property, Plant and Equipment [Abstract] Stock-based compensation Share-based Payment Arrangement, Noncash Expense Restructure and Asset Impairments Restructuring and Related Activities Disclosure [Text Block] Variable Rate Variable Rate [Domain] Additional Capital Additional Paid-in Capital [Member] Cash and equivalents Cash and Equivalents Cash and Cash Equivalents, at Carrying Value (Decrease) in Cash - Prepayments Repayments of Debt Antitrust Matters Antitrust Matters [Member] Loss contingencies related to assertions regarding antitrust matters. Flash-Control, LLC vs Micron Flash-Control, LLC [Member] Flash-Control, LLC Payments of Common Stock Dividends (per share) Common Stock, Dividends, Per Share, Cash Paid Long-term Debt, Type Long-term Debt, Type [Domain] Deferred income taxes, net Increase (Decrease) in Deferred Income Taxes Treasury Stock Treasury Stock [Member] Purchases of available-for-sale securities Payments to Acquire Debt Securities, Available-for-sale Operating Lease Liability, Balance Sheet Location Operating Lease, Liability, Current, Statement of Financial Position [Extensible Enumeration] Notional or Contractual Amount Derivative, Notional Amount Other non-operating income (expense), net Other non-operating income (expense), net Other Nonoperating Income (Expense) Other Payments for (Proceeds from) Other Investing Activities Repurchase of stock (in shares) Stock Repurchased and Retired During Period, Shares Expenditures for property, plant, and equipment Payments to Acquire Property, Plant, and Equipment Other current liabilities Other Liabilities, Current Maximum Maximum [Member] Share-based Payment Arrangement [Abstract] Share-based Payment Arrangement [Abstract] Loss Contingency, Nature Loss Contingency, Nature [Domain] Total liabilities Liabilities Receivables Increase (Decrease) in Receivables Restructure Restructuring Charges [Member] Award Type Award Type [Axis] 2023 Finite-Lived Intangible Asset, Expected Amortization, Year One Cash flows from financing activities Net Cash Provided by (Used in) Financing Activities [Abstract] Equity Securities, FV-NI and without Readily Determinable Fair Value [Abstract] Equity Securities, FV-NI and without Readily Determinable Fair Value [Abstract] Schedule of Operating Lease Maturities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Consolidation Items Consolidation Items [Axis] Total equity Balance Balance Stockholders' Equity Attributable to Parent Fuzhou Court Preliminary Injunction Fuzhou Court [Member] Fuzhou Court preliminary injunction related to patent matters filed in that court. Common Stock, issued (in shares) Balance (in shares) Balance (in shares) Common Stock, Shares, Issued Accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Other (primarily 3D XPoint memory and NOR) Other Product Sales [Member] Net other product sales to external customers. Designated hedging instruments Designated as Hedging Instrument [Member] Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] (Gain) loss on debt repurchases and conversions Gain (loss) on debt repurchases and conversions Gain (Loss) on Extinguishment of Debt Repurchases of common stock - repurchase program Payments for Repurchase of Common Stock Payments for Repurchase of Common Stock Micron shareholders' equity Stockholders' Equity Attributable to Parent [Abstract] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Loss on Lehi disposal Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Income Tax Authority Income Tax Authority, Name [Domain] Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Software Software and Software Development Costs [Member] Interest income Investment Income, Net Operating Lease, Liability, Noncurrent Operating Lease, Liability, Noncurrent Amortization [Abstract] Amortization [Abstract] Interest expense Interest Expense 2023 Finance Lease, Liability, to be Paid, Year One Effective Rate (in ten thousandths) Debt Instrument, Interest Rate, Effective Percentage Discontinued Operations and Disposal Groups [Abstract] Loss Contingencies by Nature of Contingency Loss Contingency Nature [Axis] City Area Code City Area Code Retained earnings Retained Earnings (Accumulated Deficit) Operating Segments Operating Segments [Member] Equity plans Share-based Payment Arrangement [Member] Product and process technology capitalized Finite-Lived Intangible Assets, Period Increase (Decrease) Litigation Case Type Litigation Case [Domain] Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Finance Lease Liability Finance Lease Liability Finance Lease, Liability Gain (loss) on investments Gain (Loss) on Investments Share Repurchase Program Share Repurchase Program [Axis] Income Statement [Abstract] Income Statement [Abstract] Amendment Flag Amendment Flag Fair Value Estimate of Fair Value Measurement [Member] Inventory Disclosure [Abstract] Inventory Disclosure [Abstract] 2025 Finance Lease, Liability, to be Paid, Year Three 2027 and thereafter Lessee Operating Lease Liability, Payments, Due After Year Four Amount of lessee's undiscounted obligation for lease payment for operating lease due after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). 2026 Finance Lease, Liability, to be Paid, Year Four Notes (level 2) Notes Payable, Fair Value Disclosure Payment obligations Lessee, Operating Lease, Lease Not Yet Commenced, Future Payments Future undiscounted payments due under operating lease agreements that have been signed but have not yet commenced. Significant Accounting Policies Basis of Presentation and Significant Accounting Policies [Text Block] 2024 Finance Lease, Liability, to be Paid, Year Two Proceeds from government incentives Proceeds From Government Incentives Proceeds from government agencies to incentivize certain types of investments, improvements, behaviors, etc. General maturity of cash flow hedges (in years) Derivative, Term of Contract Income tax (provision) benefit Income Tax Expense (Benefit) Trade receivables Accounts Receivable, after Allowance for Credit Loss, Current Proceeds from issuance of debt Proceeds from Issuance of Long-term Debt Loss Contingency, Claims Dismissed, Number Loss Contingency, Claims Dismissed, Number Equity Components Equity Components [Axis] Loss Contingency, Claims Dismissed, Number Loss Contingency, Claims Withdrawn, Number Number of claims withdrawn. Cash and Investments Cash, Cash Equivalents and Investments [Table Text Block] Fair Value Disclosures [Abstract] Fair Value Disclosures [Abstract] Total current assets Assets, Current Accounts Payable and Accrued Liabilities, Current [Abstract] Accounts Payable and Accrued Liabilities, Current [Abstract] Concentration Risk Type Concentration Risk Type [Domain] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Inventories Inventories Inventory, Net Schedule of Results by Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Entity File Number Entity File Number Net sales Segment Reporting Information, Revenue for Reportable Segment [Abstract] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Current Portion of Long-term Debt Long-term Debt, Current Maturities Products and Services Product and Service [Axis] Share-based Payment Arrangement, Additional Disclosure [Abstract] Share-based Payment Arrangement, Additional Disclosure [Abstract] Long Lived Asset Type Long-Lived Tangible Asset [Domain] Fair and carrying value of debt instruments [Table] Fair Value, by Balance Sheet Grouping [Table] Entity Incorporation, State or Country Code Entity Incorporation, State or Country Code Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Entity Small Business Entity Small Business Schedule of Debt Activity Schedule of Extinguishment of Debt [Table Text Block] Equity Securities without Readily Determinable Fair Value, Amount Equity Securities without Readily Determinable Fair Value, Amount DRAM Purchasers Canada vs Micron DRAM Purchasers Canada [Member] DRAM Purchasers Canada [Member] Equity Component Equity Component [Domain] Stock issued under stock plans (in shares) Shares Issued, Shares, Share-based Payment Arrangement, after Forfeiture 2023 Lessee, Operating Lease, Liability, to be Paid, Year One Term Loan Notes Payable to Banks [Member] Disposal Group Name Disposal Group Name [Domain] Extinguishment of Debt Extinguishment of Debt, Type [Domain] Investments [Abstract] Investments [Abstract] Statement [Line Items] Statement [Line Items] Litigation Case Litigation Case [Axis] Property, plant, and equipment Property, plant, and equipment, net Property, Plant, and Equipment and Finance Lease Right-of-Use Asset, after Accumulated Depreciation and Amortization Fair value disclosure [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Long-term marketable investments Long-term Marketable Investments Debt Securities, Available-for-sale, Noncurrent Stock issued under stock plans Shares Issued, Value, Share-based Payment Arrangement, after Forfeiture 2024 Notes Unsecured Senior Corporate Debt due 2024_2 [Member] Unsecured senior corporate debt due 2024 issued February 2019. Estimated Fair Value and Carrying Value of Notes Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Withdrawn Litigation Withdrawn Litigation [Member] Withdrawal of a litigation claim by the claimant. 2026 Lessee, Operating Lease, Liability, to be Paid, Year Four Debt Disclosure [Abstract] Debt Disclosure [Abstract] Weighted Average Weighted Average [Member] Entity Address, State or Province Entity Address, State or Province Current Finance Lease Obligations Finance Lease, Liability, Current Level 2 Fair Value, Inputs, Level 2 [Member] Schedule of Intangible Assets and Goodwill Schedule of Intangible Assets and Goodwill [Table Text Block] Long Lived Asset Type Long-Lived Tangible Asset [Axis] Segment Reporting [Abstract] Segment Reporting [Abstract] Useful lives of assets placed into service Finite-Lived Intangible Asset, Useful Life Customer Customer [Axis] Commodity hedges Commodity Contract [Member] Interest on lease liability Finance Lease, Interest Expense Basic and Diluted Earnings Per Share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Entity Shell Company Entity Shell Company Local Phone Number Local Phone Number Restructure and asset impairments Restructure and asset impairments Restructuring, Settlement and Impairment Provisions Stock-based Compensation Expense Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Finance Lease Maturities Finance Lease, Liability, Payment, Due [Abstract] Cash flow hedge gains expected to be reclassified into earnings within twelve months Cash Flow Hedge Gain (Loss) to be Reclassified within Twelve Months Income Tax Examination, Year under Examination Income Tax Examination, Year under Examination Tax effects Other Comprehensive Income (Loss), Tax Total assets Assets Common Stock, authorized shares (in shares) Common Stock, Shares Authorized Dividends Payable, Date to be Paid Dividends Payable, Date to be Paid Patent Matters Patent Matters [Member] Loss contingencies related to assertions regarding infringement of other's intellectual property rights. MLC Intellectual Property, LLC vs Micron MLC Intellectual Property, LLC. [Member] MLC Intellectual Property, LLC. [Member] Assets Held For Sale Current Assets Held For Sale Current Amount of assets held-for-sale that are expected to be sold within a year or the normal operating cycle, if longer. Includes assets that are and are not included in a disposal group. Products and Services Product and Service [Domain] Research and development Research and Development Expense 2024 Term Loan A 2024 Term Loan A [Member] 2024 Term Loan A issued May 14, 2021 Stated Rate (exact percentage) Debt Instrument, Interest Rate, Stated Percentage Schedule of Receivables Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Derivative Contract Derivative Contract [Domain] Employee Class Action vs Micron Employee Class Action [Member] Employee class action suit alleging unfair performance ratings and related impact to bonus achievements. Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Revolving Credit Facility Revolving Credit Facility [Member] Estimated consideration payable to customers for pricing adjustments and returns Contract with Customer, Refund Liability, Current Cash Cash [Member] Tax benefit from incentive arrangements Income Tax Holiday, Aggregate Dollar Amount Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities All Other Other Segments [Member] Reportable Segments Segment Reporting, Disclosure of Entity's Reportable Segments [Abstract] Litigation Status Litigation Status [Axis] EBU EBU [Member] Embedded Business Unit (EBU) includes memory products sold into automotive, industrial, and consumer markets. Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Schedule of Components of Lease Expense Lease, Cost [Table Text Block] Entity Tax Identification Number Entity Tax Identification Number Other Other Receivables, Net, Current Lehi other assets disposed of Disposal Group, Including Discontinued Operation, Other Assets 2041 Notes Unsecured Senior Corporate Debt Due 2041 [Member] Unsecured Senior Corporate Debt Due 2041 issued November 1, 2021 Basic (in shares) Weighted-average common shares outstanding – Basic Weighted Average Number of Shares Outstanding, Basic Diluted (in dollars per share) Earnings Per Share, Diluted Reporting Segment Segments [Domain] Dilutive effect of equity plans and convertible notes Weighted Average Number Diluted Shares Outstanding Adjustment Hedging Relationship Hedging Relationship [Axis] Operating Leases Not yet Commenced Lessee, Operating Lease, Not yet Commenced, Description [Abstract] Available borrowing capacity Debt Instrument, Unused Borrowing Capacity, Amount Components of Lease Expense Lease, Cost [Abstract] Intangible assets Intangible Assets, Net (Excluding Goodwill) Total comprehensive income Comprehensive Income (Loss), Net of Tax, Attributable to Parent Lease term Lessee, Finance Lease, Lease Not yet Commenced, Term of Contract Net cash provided by (used for) financing activities Net Cash Provided by (Used in) Financing Activities Statement of Other Comprehensive Income [Abstract] Statement of Other Comprehensive Income [Abstract] Other comprehensive income (loss), net of tax Other Comprehensive Income (Loss), Net of Tax [Abstract] Number of shares used in per share calculations Weighted Average Number of Shares Outstanding, Diluted [Abstract] Equity in net income (loss) of equity method investees Income (Loss) from Equity Method Investments Other Other Cost and Expense, Operating Schedule of Restricted Stock Awards Activity Share-based Payment Arrangement, Restricted Stock and Restricted Stock Unit, Activity [Table Text Block] Kingston Kingston [Member] Kingston Technology, Inc. Corporate bonds Corporate Bonds Corporate Debt Securities [Member] Fair Value Measurements Fair Value Disclosures [Text Block] Schedule of Finance Lease Maturities Finance Lease, Liability, Fiscal Year Maturity [Table Text Block] Concentration Risk by Type Concentration Risk Type [Axis] Depreciation expense and amortization of intangible assets Depreciation, Depletion and Amortization Debt Securities, Available-for-sale, Term, Noncurrent Debt Securities, Available-for-sale, Term, Noncurrent Period between issuance and maturity of long term investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. 2025 Finite-Lived Intangible Asset, Expected Amortization, Year Three Long-term Debt, by Current and Noncurrent [Abstract] Long-term Debt, by Current and Noncurrent [Abstract] 2023 Notes Unsecured Senior Corporate Debt Due 2023 [Member] Unsecured Senior Corporate Debt Due 2023 Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Remainder of 2022 Finite-Lived Intangible Asset, Expected Amortization, Remainder of Fiscal Year Inventories Increase (Decrease) in Inventories Restructure and Asset Impairments Restructuring and Related Costs [Table Text Block] Claims on Behalf of Direct Purchasers Claims on Behalf of Direct Purchasers [Member] Legal claims made on behalf of direct purchasers of product Common Stock, outstanding (in shares) Common Stock, Shares, Outstanding Other operating (income) expense, net Other Operating Income (Expense), Net Financial Instruments Financial Instruments [Domain] Lehi net assets disposed of Net Assets Of Disposal Group Including Discontinued Operation Amount of net assets attributable to disposal group held for sale or disposed of. Derivative [Table] Derivative [Table] Debt Instrument, Fair Value Disclosure [Abstract] Debt Instrument, Fair Value Disclosure [Abstract] Cost of goods sold Cost of Goods and Services Sold Restructuring and Related Activities [Abstract] Restructuring and Related Activities [Abstract] Concentration Risk Benchmark Concentration Risk Benchmark [Domain] Gains (losses) on investments OCI, Debt Securities, Available-for-Sale, Gain (Loss), after Adjustment and Tax Contract Liabilities Change in Contract with Customer, Liability [Abstract] Total lease cost Lease, Cost Schedule of Property, Plant, and Equipment Property, Plant and Equipment [Table Text Block] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement Location Income Statement Location [Domain] 2029 Notes Unsecured Senior Corporate Debt Due 2029 [Member] Unsecured senior corporate debt due 2029 issued February 2019. Debt Securities, Available-for-sale [Table] Debt Securities, Available-for-sale [Table] Netlist Inc. vs Micron Netlist Inc. Complaint [Member] Netlist Inc. patent infringement complaint Operating income (loss) Segment Reporting Information, Operating Income (Loss) [Abstract] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Property, Plant, and Equipment Property, Plant and Equipment Disclosure [Text Block] Other noncurrent liabilities Other Liabilities, Noncurrent Treasury Shares Repurchased (in shares) Treasury Stock, Shares, Acquired Schedule of Debt Schedule of Long-term Debt Instruments [Table Text Block] Fiscal Period Fiscal Period, Policy [Policy Text Block] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table] Debt Instrument [Line Items] Debt Instrument [Line Items] Earnings per share Earnings Per Share [Abstract] Accounts Payable and Accrued Expenses Accounts Payable and Accrued Liabilities Disclosure [Text Block] Revenue from Contract with Customer Revenue from Contract with Customer Benchmark [Member] Document Quarterly Report Document Quarterly Report Equipment Equipment [Member] Currency hedges Foreign Exchange Contract [Member] Proceeds from sales of available-for-sale securities Proceeds from Sale of Debt Securities, Available-for-sale Treasury stock, 100 shares held (97 shares as of September 2, 2021) Treasury Stock, Common, Value Subsequent direct DRAM Purchasers United States vs Micron Subsequent direct DRAM Purchasers United States [Member] [Member] Subsequent direct DRAM Purchasers United States [Member] [Member] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Total Net Carrying Amount of Debt (including finance lease obligation) Debt and Lease Obligation Noncurrent Long-Term Debt Long-term Debt, Excluding Current Maturities Schedule of Other Lease Information Schedule of Other Lease Information [Table Text Block] Schedule of Other Lease Information Stock-based compensation expense Stock-based compensation Share-based Payment Arrangement, Expense Other Accounts Payable, Other, Current Securities Matters Securities Matters [Member] Loss contingencies related to assertions regarding securities matters. Total Fair Value Cash, Cash Equivalents, and Available-for-Sale Debt Securities Amount of cash and equivalents and investment in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Earnings per share Earnings Per Share, Basic and Diluted [Abstract] Document Fiscal Period Focus Document Fiscal Period Focus Effective tax rate Effective Income Tax Rate Reconciliation, Percent Current debt Current debt (including finance lease obligation) Debt, Current Payables and Accruals [Abstract] Payables and Accruals [Abstract] Senior Unsecured Notes [Abstract] Other Long-term Debt [Abstract] Construction in progress Construction in Progress [Member] Cash, cash equivalents, and restricted cash at beginning of period Cash, cash equivalents, and restricted cash at end of period Cash, cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Schedule of Derivative Instruments Schedule of Derivative Instruments [Table Text Block] Common Stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share CNBU CNBU [Member] Compute and Networking Business Unit ("CNBU") includes memory products sold into client, cloud server, enterprise, graphics, and networking markets. Income and other taxes Taxes Payable, Current Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Other Proceeds from (Payments for) Other Financing Activities Gross Amount, Product and process technology Finite-Lived Intangible Assets, Gross Leases [Abstract] Schedule of Extinguishment of Debt [Table] Schedule of Extinguishment of Debt [Table] Entity Central Index Key Entity Central Index Key Tax benefit per diluted share from incentive arrangements Income Tax Holiday, Income Tax Benefits Per Share LIBOR London Interbank Offered Rate (LIBOR) [Member] 2026 Notes Unsecured Senior Corporate Debt Due 2026_2 [Member] Unsecured senior corporate debt due 2026 issued February 2019. Security Exchange Name Security Exchange Name Internal Revenue Service (IRS) Internal Revenue Service (IRS) [Member] Schedule of Accounts Payable And Accrued Expenses Schedule of Accounts Payable and Accrued Liabilities [Table Text Block] Diluted (in shares) Weighted-average common shares outstanding – Diluted Weighted Average Number of Shares Outstanding, Diluted Other comprehensive income (loss) Other comprehensive income (loss), net Other Comprehensive Income (Loss), Net of Tax Income Taxes Income Tax Disclosure [Text Block] Long-term Debt, Type Long-term Debt, Type [Axis] Current Fiscal Year End Date Current Fiscal Year End Date Basis Spread on Variable Credit Facility Rate Debt Instrument, Basis Spread on Variable Rate Equity Stockholders' Equity Note Disclosure [Text Block] Measurement Basis Measurement Basis [Axis] Gains (Losses) on Derivative Instruments Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Under Appeal Under Appeal [Member] Under Appeal Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] 2027 Notes Unsecured Senior Corporate Debt Due 2027 [Member] Unsecured senior corporate debt due 2027. Not designated hedging instruments Not Designated as Hedging Instrument [Member] Net cash provided by (used for) investing activities Net Cash Provided by (Used in) Investing Activities Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Buildings Building and Building Improvements [Member] Change in operating assets and liabilities Increase (Decrease) in Operating Capital [Abstract] Cash flows from operating activities Net Cash Provided by (Used in) Operating Activities [Abstract] Increase (Decrease) in Carrying Value Debt Instrument, Increase (Decrease), Net Total current liabilities Liabilities, Current Employee Stock Purchase Plan Employee Stock [Member] Repurchases of common stock - withholdings on employee equity awards Payment, Tax Withholding, Share-based Payment Arrangement Restricted Subsidiaries, Ownership Percentage by Parent Debt Instrument, Domestic Restricted Subsidiaries, Ownership Percentage by Parent Ownership percentage by parent of subsidiaries which among other things, are limited in certain circumstances to create or incur certain liens and guarantees or consolidate or merge. Cash flows used for operating activities Cash Flow, Operating Activities, Lessee [Abstract] Litigation Status Litigation Status [Domain] Lessee, Operating Lease, Description [Abstract] Lessee, Operating Lease, Description [Abstract] Finance leases Finance Lease, Interest Payment on Liability Accounts payable Accounts Payable, Trade, Current Money market funds Money Market Funds [Member] Loss Contingencies [Table] Loss Contingencies [Table] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Percentage of total Inotera shares subject to litigation (in hundredths) Subsidiary Or Equity Method Investment, Percentage Of Total Shares Subject To Litigation The percentage of subsidiary or equity method investee shares that are subject to legal proceedings. Debt Instrument, Redemption Price Percentage, Change in Control Event Debt Instrument, Redemption Price Percentage, Change in Control Event Percentage price of original principal amount of debt at which debt can be redeemed by the issuer upon a change of control triggering event. Derivative, Fair Value, Net [Abstract] Derivative, Fair Value, Net [Abstract] Debt Instrument, Name Debt Instrument, Name [Domain] Remainder of 2022 Finance Lease, Liability, to be Paid, Remainder of Fiscal Year Title of 12(b) Security Title of 12(b) Security Statement [Table] Statement [Table] Other current assets Other Assets, Current Vervain LLC vs Micron Vervain LLC Complaint [Member] Vervain LLC patent infringement complaint Asset-backed securities Asset-backed Securities [Member] Total unrecognized compensation costs related to non-vested awards expected to be recognized Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Range Statistical Measurement [Axis] Fair Value of Liabilities Derivative Liability, Fair Value, Gross Liability Subsequent Event Subsequent Event [Member] Cover page. Cover [Abstract] Spread on 2027 Variable Interest Rate Derivative, Basis Spread on Variable Rate Long-Term Finance Lease Obligations Finance Lease, Liability, Noncurrent Goodwill Goodwill Decrease in Principal Extinguishment of Debt, Amount Loss Contingency, Agreements Allegedly Breached, Number Loss Contingency, Agreements Allegedly Breached, Number Loss Contingency, Agreements Allegedly Breached, Number Cost of Goods Sold Cost of Sales [Member] Finance Lease Not yet Commenced Lessee, Finance Lease, Not yet Commenced, Description [Abstract] Adjustments to reconcile net income to net cash provided by operating activities Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract] Payments for Repurchase of Equity [Abstract] Payments for Repurchase of Equity [Abstract] Tax benefit from write-down of Lehi assets Unusual or Infrequent Item, or Both, Tax Effect Subsequent Event Type Subsequent Event Type [Axis] 2030 Notes Unsecured Senior Corporate Debt Due 2030 [Member] Unsecured senior corporate debt due 2030. Operating lease cost Operating Lease, Cost Concentration Risk Benchmark Concentration Risk Benchmark [Axis] Unamortized discounts Debt Instrument, Unamortized Discount Pension Liability Adjustments Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] NAND NAND Products [Member] NAND semiconductor products Schedule of Finite-Lived Intangible Assets [Table] Schedule of Finite-Lived Intangible Assets [Table] 2027 and thereafter Long-Term Debt, Maturities, Repayments of Principal After Year Four Amount of long-term debt payable, sinking fund requirement, and other securities issued that are redeemable by holder at fixed or determinable price and date, maturing after fourth fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach). United Microelectronics Corporation vs Micron-Complaint 2 United Microelectronics Corporation Complaint 2 [Member] United Microelectronics Corporation Complaint 2 [Member]