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Adjustment to Compensation, Amount Adjustment to Compensation Amount Concentration risk, percentage Concentration Risk, Percentage Revenue, remaining performance obligation, percentage Revenue, Remaining Performance Obligation, Percentage Basis of Consolidation Consolidation, Policy [Policy Text Block] Stock-based compensation Share-Based Payment Arrangement, Noncash Expense Datacenter Datacenter [Member] Datacenter Employee Stock Option Share-Based Payment Arrangement, Option [Member] Award Timing MNPI Disclosure Award Timing MNPI Disclosure [Text Block] Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Category of Item Purchased [Axis] Category of Item Purchased [Axis] Notes receivable, related parties Financing Receivable, after Allowance for Credit Loss Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts and Financing Receivables [Table] Strategic investments and other, net Proceeds from Sale of Other Investments Payments for equity method investments Payments to Acquire Equity Method Investments Total shareholders’ equity Beginning balance Ending balance Equity, Attributable to Parent Other comprehensive income (loss), before tax Other Comprehensive Income (Loss), Net of Tax [Abstract] Insider Trading Policies and Procedures [Line Items] Stock-based compensation expenses Expenses on stock-based compensation Share-Based Payment Arrangement, Expense Schedule of Property, Plant and Equipment, Net Property, Plant and Equipment [Table Text Block] Shares authorized (in shares) Common Stock, Shares Authorized Consumer Consumer [Member] Consumer Issuance of common stock and reclassification of net transfers from Western Digital Corporation (in shares) Stock Issued During Period, Shares, New Issues Current assets: Assets, Current [Abstract] Total liabilities and shareholders’ equity Liabilities and Equity Factored receivables Accounts Receivables, Factored Accounts Receivables, Factored Noncontrolling Interest [Line Items] Noncontrolling Interest [Line Items] Concentration Risk Benchmark [Axis] Concentration Risk Benchmark [Axis] LIABILITIES AND SHAREHOLDERS’ EQUITY Liabilities and Equity [Abstract] Cover page. Cover [Abstract] Cash equivalents - Money market funds Cash and Cash Equivalents, Fair Value Disclosure Maximum Maximum [Member] Total Share-Based Payment Arrangement, Expense, after Tax Equity Method Investment [Table] Equity Method Investment [Table] 2029 Purchase Obligation, to be Paid, Year Three Guarantees [Abstract] Guarantees [Abstract] Schedule of Minimum Lease Payments Lessee, Operating Lease, Liability, to be Paid, Maturity [Table Text Block] Concentration Risk Type [Domain] Concentration Risk Type [Domain] Investment funding commitments, percentage Investment Funding Commitments Percent of commitment by the Company to fund a venture's investment in situations where the venture's sales are insufficient to cover the investments. Non-PEO NEO Average Total Compensation Amount Non-PEO NEO Average Total Compensation Amount Debt Instrument [Line Items] Debt Instrument [Line Items] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table] Adjustment to Non-PEO NEO Compensation Footnote Adjustment to Non-PEO NEO Compensation Footnote [Text Block] Pay vs Performance Disclosure [Line Items] Total operating lease liabilities Present value of lease liabilities Operating Lease, Liability Discount rate Investment Owned, Discount Investment Owned, Discount Forgone Recovery due to Disqualification of Tax Benefits, Amount Forgone Recovery due to Disqualification of Tax Benefits, Amount Aggregate Intrinsic Value at Vesting Date Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Intrinsic Value, Amount Per Share [Abstract] Tax balances to Western Digital Corporation Tax balances transferred from Western Digital Corporation Other Significant Noncash Transaction, Transfer Of Deferred Tax Assets From Parent Other Significant Noncash Transaction, Transfer Of Deferred Tax Assets From Parent Liabilities: Liabilities [Abstract] Non-Rule 10b5-1 Arrangement Terminated Non-Rule 10b5-1 Arrangement Terminated [Flag] Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Income (loss) before taxes Income (loss) before taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Entity Shell Company Entity Shell Company Other liabilities Total other liabilities Other Liabilities, Noncurrent Schedule of Long-Term Debt Instruments [Table] Schedule of Long-Term Debt Instruments [Table] Proceeds from debt Proceeds from Issuance of Debt Statement of Stockholders' Equity [Abstract] Statement of Stockholders' Equity [Abstract] Goodwill impairment Goodwill impairment Impairment charges Goodwill impairment Goodwill, Impairment Loss Ownership percentage sold Disposal Group, Percent Of Ownership Sold Disposal Group, Percent Of Ownership Sold Statement of Cash Flows [Abstract] Statement of Cash Flows [Abstract] Current portion of long-term debt Less: Current portion of long-term debt Long-Term Debt, Current Maturities Company Selected Measure Amount Company Selected Measure Amount 2029 Lessee, Operating Lease, Liability, to be Paid, Year Three Award Timing MNPI Considered Award Timing MNPI Considered [Flag] Total comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Attributable to Parent Disposal Group Name [Domain] Disposal Group Name [Domain] Contribution of equity interest in Unis Venture from Western Digital Corporation Unis Venture transferred from Western Digital Corporation Other Significant Noncash Transaction, Transfer Of Investments From Parent Other Significant Noncash Transaction, Transfer Of Investments From Parent Name Measure Name Renewal term Long-Term Purchase Commitment, Renewal Term Long-Term Purchase Commitment, Renewal Term Income tax payable, non-current Accrued Income Taxes, Noncurrent Schedule of Stock-based Compensation Expense Share-Based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Current portion of long-term operating lease liabilities (included in accrued expenses) Operating Lease, Liability, Current Exchange rate Other Commitment, Exchange Rate Other Commitment, Exchange Rate Segment research and development Research and Development Expense, Adjusted Research and Development Expense, Adjusted Total other comprehensive income (loss), before tax Other comprehensive income (loss) Other Comprehensive Income (Loss), before Tax, Portion Attributable to Parent Deferred tax liabilities Deferred Income Tax Liabilities, Net Document Fiscal Period Focus Document Fiscal Period Focus Award Timing Method Award Timing Method [Text Block] Related Parties and Related Commitments and Contingencies Related Parties And Related Commitments And Contingencies [Text Block] Related Parties And Related Commitments And Contingencies Furniture and fixtures Furniture and Fixtures [Member] Award Type Award Type [Axis] Accounts payable to related parties Increase (Decrease) in Accounts Payable, Related Parties Non-current contract liabilities Contract with Customer, Liability, Noncurrent Foreign Currency Translation Adjustment Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Subtotal Long-Term Debt Legal Entity [Axis] Legal Entity [Axis] Total assets Assets Investment, Name [Domain] Investment, Name [Domain] Trading Symbol Trading Symbol 2030 Lessee, Operating Lease, Liability, to be Paid, Year Four Vested (in dollars per shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Geographical [Domain] Geographical [Domain] Long-term portion Standard Product Warranty Accrual, Noncurrent Employee stock plans (in shares) Shares Issued, Shares, Share-Based Payment Arrangement, after Forfeiture Entity Address, City or Town Entity Address, City or Town Accumulated other comprehensive loss transferred from Western Digital Corporation Transfers In (Transfers Out) From Parent, Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent Transfers In (Transfers Out) From Parent, Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent Cash flows from operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation [Abstract] Other segment items Segment Reporting, Other Segment Item, Amount Effect of exchange rate changes on cash Effect of Exchange Rate on Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Concentration Risk Type [Axis] Concentration Risk Type [Axis] Non-PEO NEO Average Compensation Actually Paid Amount Non-PEO NEO Average Compensation Actually Paid Amount Income Statement Location [Domain] Statement of Income Location, Balance [Domain] RSUs Restricted Stock Units (RSUs) [Member] Thereafter Purchase Obligation, To Be Paid, After Year Four Purchase Obligation, To Be Paid, After Year Four Compensation Actually Paid vs. Other Measure Compensation Actually Paid vs. Other Measure [Text Block] Entity Emerging Growth Company Entity Emerging Growth Company Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Operating lease assets obtained in exchange for operating lease liabilities Right-of-Use Asset Obtained in Exchange for Operating Lease Liability Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year Change in Fair Value as of Vesting Date of Prior Year Equity Awards Vested in Covered Year [Member] Unamortized issuance costs Debt issuance costs, net Debt Issuance Costs, Net Level 2 Fair Value, Inputs, Level 2 [Member] To be paid year three Other Commitment, to be Paid, Year Three Equity investment Equity Method Investments Insider Trading Policies and Procedures Not Adopted Insider Trading Policies and Procedures Not Adopted [Text Block] Edge Edge [Member] Edge Related Party Related Party [Member] Equity investments Equity Method Investments [Member] Shares outstanding (in shares) Common Stock, Shares, Outstanding (Gain) loss on disposal of assets Gain (Loss) on Disposition of Other Assets Schedule of Components of Income Tax Expense and Effective Tax Rate Schedule of Components of Income Tax Expense (Benefit) [Table Text Block] PEO PEO [Member] To be paid remainder of fiscal year Other Commitment, to be Paid, Remainder of Fiscal Year Schedule of Disaggregation of Revenue Disaggregation of Revenue [Table Text Block] Interest income Interest income on notes due from Western Digital Corporation Investment Income, Interest Unrealized foreign exchange (gain) loss Unrealized Gain (Loss), Foreign Currency Transaction, before Tax Reportable Segment Reportable Segment [Member] Reportable Segment Income tax payable, current Accrued Income Taxes, Current Transfers to Western Digital Corporation Proceeds from (Repayments to) Parent Proceeds from (Repayments to) Parent Changes in: Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year Dividends or Other Earnings Paid on Equity Awards not Otherwise Reflected in Total Compensation for Covered Year [Member] Schedule of Product Warranty Liability Schedule of Product Warranty Liability [Table Text Block] 2028 Guarantee Obligations, Maximum Exposure, Year Three Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions due within the third fiscal year following the latest fiscal year. Percentage disposed Disposal Group, Including Discontinued Operations, Percentage Disposal Group, Including Discontinued Operations, Percentage Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments and Hedging Activities Disclosure [Abstract] Issuance of stock under employee stock plans Proceeds from Issuance or Sale of Equity Retained Earnings (Accumulated Deficit) Retained Earnings [Member] Notes due to (from) Western Digital Corporation Other Significant Noncash Transaction, Transfer Of Notes Payable From Parent Other Significant Noncash Transaction, Transfer Of Notes Payable From Parent Number of Shares Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Entity Address, Postal Zip Code Entity Address, Postal Zip Code Restatement Determination Date Restatement Determination Date Cash and cash equivalents, beginning of year Cash and cash equivalents, end of period Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation Income Statement [Abstract] Income Statement [Abstract] Derivative asset Derivative Asset Income tax expense Income tax expense Income tax expense Income Tax Expense (Benefit) Notes payable Notes Payable, Net Notes Payable, Net Variable interest rate Debt Instrument, Basis Spread on Variable Rate Beginning balance Ending balance Total warranty accrual Standard Product Warranty Accrual Pension Adjustments Service Cost Pension Adjustments Service Cost [Member] Reimbursement of Short-Term Employee Incentives Reimbursement of Short-Term Employee Incentives [Member] Reimbursement of Short-Term Employee Incentives Product and Service [Domain] Product and Service [Domain] Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Customer Concentration Risk Customer Concentration Risk [Member] Cash received for interest Proceeds from Interest Received Property, plant and equipment, gross Property, Plant and Equipment, Gross Restatement does not require Recovery Restatement Does Not Require Recovery [Text Block] Total liabilities at fair value Liabilities, Fair Value Disclosure Sandisk Corporation Sandisk Corporation [Member] Sandisk Corporation Organization, Consolidation and Presentation of Financial Statements [Abstract] Organization, Consolidation and Presentation of Financial Statements [Abstract] Net Investment from Western Digital Corporation Parent Company Net Investment [Member] Parent Company Net Investment Schedule of Guarantor Obligations [Table] Guarantor Obligation [Table] Compensation Actually Paid vs. Company Selected Measure Compensation Actually Paid vs. Company Selected Measure [Text Block] City Area Code City Area Code Award Timing, How MNPI Considered Award Timing, How MNPI Considered [Text Block] Buildings and improvements Building and Building Improvements [Member] Distribution of shares (in shares) Spin-Off Transaction, Pro Rata Distribution, Outstanding Shares Spin-Off Transaction, Pro Rata Distribution, Outstanding Shares All Trading Arrangements All Trading Arrangements [Member] Equity Awards Adjustments, Footnote Equity Awards Adjustments, Footnote [Text Block] Total Shareholder Return Vs Peer Group Total Shareholder Return Vs Peer Group [Text Block] Accrued expenses Accrued Liabilities, Current Shares outstanding (in shares) Beginning balance (in shares) Ending balance (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Number Commitments and Contingencies Disclosure [Abstract] Commitments and Contingencies Disclosure [Abstract] Legal Entity of Counterparty, Type [Axis] Legal Entity of Counterparty, Type [Axis] Unissoft (Wuxi) Group Co Ltd. Unissoft (Wuxi) Group Co Ltd. [Member] Unissoft (Wuxi) Group Co Ltd. [Member] Cash flows from investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation [Abstract] Pay vs Performance Disclosure Pay vs Performance Disclosure [Table] Net cash provided by (used in) operating activities Cash Provided by (Used in) Operating Activity, Including Discontinued Operation Disposed of by sale Disposal Group, Disposed of by Sale, Not Discontinued Operations [Member] Flash Partners Ltd Flash Partners Ltd [Member] Flash Partners Ltd. Subsequent Event Subsequent Event [Member] Selling, general, and administrative Selling, General and Administrative Expenses [Member] Cost of revenue Cost of Sales [Member] Schedule of Equity Method Investments [Line Items] Schedule of Equity Method Investments [Line Items] Goodwill Balance at June 27, 2025 Balance at April 3, 2026 Goodwill Equity Valuation Assumption Difference, Footnote Equity Valuation Assumption Difference, Footnote [Text Block] Schedule of Supplemental Cash Flow Lease, Cost [Table Text Block] PEO Total Compensation Amount PEO Total Compensation Amount Long-term Debt, Type [Axis] Long-Term Debt, Type [Axis] Cash equivalents - Money market funds Money Market Funds [Member] Equity Components [Axis] Equity Components [Axis] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Unrecognized Tax Benefits [Roll Forward] Unrecognized Tax Benefits [Roll Forward] Non-Rule 10b5-1 Arrangement Adopted Non-Rule 10b5-1 Arrangement Adopted [Flag] Concentration Risk [Table] Concentration Risk [Table] To be paid year one Other Commitment, to be Paid, Year One Number of reportable segments Number of Reportable Segments Granted (in dollars per shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Intrinsic Value, Amount Per Share Western Digital Corporation Western Digital Corporation [Member] Western Digital Corporation Supplemental disclosure of cash flow information: Supplemental Cash Flow Information [Abstract] Other Performance Measure, Amount Other Performance Measure, Amount Schedule of Minimum Long-Term Commitments Contractual Obligation, Fiscal Year Maturity [Table Text Block] Debt issuance costs Payments of Debt Issuance Costs Entity Address, State or Province Entity Address, State or Province Fair Value Measurements and Investments Fair Value Measurement, Policy [Policy Text Block] Related Party [Domain] Related and Nonrelated Parties [Domain] Total current liabilities Liabilities, Current Long-Term Purchase Commitment, Category of Item Purchased [Domain] Long-Term Purchase Commitment, Category of Item Purchased [Domain] Derivative Instrument [Axis] Derivative Instrument [Axis] Individual: Individual [Axis] Net income (loss) per common share: Earnings Per Share Reconciliation [Abstract] Accounting Changes and Error Corrections [Abstract] Accounting Changes and Error Corrections [Abstract] Other current assets Other Assets, Current Research and development Research and Development Expense [Member] Entity [Domain] Entity [Domain] Net cash provided by (used in) investing activities Cash Provided by (Used in) Investing Activity, Including Discontinued Operation Revenue, remaining performance obligation, expected timing of satisfaction, period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table Aggregate Change in Present Value of Accumulated Benefit for All Pension Plans Reported in Summary Compensation Table [Member] 2027 Purchase Obligation, to be Paid, Year One (Gain) loss on business divestiture (Gain) loss on business divestiture Gain (loss) sale of business divestiture Gain (Loss) on Disposition of Business Cash paid for interest Interest Paid, Excluding Capitalized Interest, Operating Activity Proceeds from principal repayments on Notes due from Western Digital Corporation Proceeds From Repayments Of Note Receivables Due From Parent Proceeds From Repayments Of Note Receivables Due From Parent Document Fiscal Year Focus Document Fiscal Year Focus Maximum estimable loss exposure Variable Interest Entity, Reporting Entity Involvement, Maximum Loss Exposure, Amount Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Operating lease right-of-use assets (included in other non-current assets) Operating Lease, Right-of-Use Asset Forgone Recovery, Explanation of Impracticability Forgone Recovery, Explanation of Impracticability [Text Block] Ownership percentage Subsidiary, Ownership Percentage, Noncontrolling Owner Net transfer from Western Digital Corporation Net transfers from Western Digital Corporation per Condensed Consolidated Statements of Shareholders’ Equity Transfers In (Transfers Out) From Parent, Stockholders' Equity Transfers In (Transfers Out) From Parent, Stockholders' Equity Effective tax rate Effective Income Tax Rate Reconciliation, Percent Entity Interactive Data Current Entity Interactive Data Current Gross decrease related to prior year tax positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Cost of operating leases Operating Lease, Cost Present value discount Disposal Group, Including Discontinued Operation, Present Value Discount Disposal Group, Including Discontinued Operation, Present Value Discount Top Ten Customers Top Ten Customers [Member] Top Ten Customers [Member] Weighted average service period Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Legal Proceedings Legal Matters and Contingencies [Text Block] Equity [Abstract] Foreign currency translation adjustment Foreign currency translation adjustment Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, before Tax Schedule of Stock-based Compensation Awards Disclosure of Share-Based Compensation Arrangements by Share-Based Payment Award [Table Text Block] Aggregate cost Investment Owned, Cost Total Purchase Obligation Segment Reporting Segment Reporting Disclosure [Text Block] Alper Ilkbahar [Member] Alper Ilkbahar Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Disaggregation of Revenue [Table] Disaggregation of Revenue [Table] Property, Plant and Equipment, Type [Axis] Long-Lived Tangible Asset [Axis] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Net transfers to Western Digital Corporation per Condensed Consolidated Statements of Cash Flows Net transfers from (to) Parent per Condensed Combined Statements of Cash Flows Net transfers from (to) Parent per Condensed Combined Statements of Cash Flows Ownership [Domain] Ownership [Domain] Compensation Actually Paid vs. Total Shareholder Return Compensation Actually Paid vs. Total Shareholder Return [Text Block] Fair Value, Recurring and Nonrecurring [Table] Fair Value, Recurring and Nonrecurring [Table] Selling, general and administrative Selling, General and Administrative Expense Proceeds on sale of trade accounts receivable Proceeds from Sale and Collection of Receivables Deferred tax assets Deferred Income Tax Assets, Net Schedule of Accumulated Other Comprehensive Loss Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Other non-current assets Other Assets, Noncurrent Installment payment Disposal Group, Periodic Payment Disposal Group, Periodic Payment Movement in Standard Product Warranty Accrual [Roll Forward] Movement in Standard Product Warranty Accrual [Roll Forward] Customer [Domain] Customer [Domain] Entity Central Index Key Entity Central Index Key PEO Name PEO Name Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year Prior Year End Fair Value of Equity Awards Granted in Any Prior Year that Fail to Meet Applicable Vesting Conditions During Covered Year [Member] 2028 Purchase Obligation, to be Paid, Year Two Notes receivable proceeds from Flash Ventures Proceeds from Collection of Notes Receivable Outstanding Aggregate Erroneous Compensation Amount Outstanding Aggregate Erroneous Compensation Amount Revolving Credit Facility Revolving Credit Facility [Member] Schedule of Net Income (Loss) per Common Share Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table Text Block] Arrangement Duration Trading Arrangement Duration Transaction price, contract liabilities Contract with Customer, Liability, Cumulative Catch-up Adjustment to Revenue, Change in Estimate of Transaction Price Changes in estimate related to pre-existing warranties Standard Product Warranty Accrual, Increase (Decrease) for Preexisting Warranties Contract liabilities Contract with Customer, Liability, Current Segments [Axis] Segments [Axis] Computer equipment and software Computer Equipment and Software [Member] Capitalized computer equipment and software purchases. Work-in-process Inventory, Work in Process, Net of Reserves Exercise Price Award Exercise Price Entity Filer Category Entity Filer Category Local Phone Number Local Phone Number Additional 402(v) Disclosure Additional 402(v) Disclosure [Text Block] Other non-cash operating activities, net Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Other Item Subsequent Event Type [Axis] Subsequent Event Type [Axis] 2031 Guarantee Obligations, Maximum Exposure, Year Six Guarantee Obligations, Maximum Exposure, Year Six Disposal consideration Disposal Group, Including Discontinued Operation, Consideration ASSETS Assets: Assets [Abstract] Long-term debt Long-Term Debt, Excluding Current Maturities Credit Facility [Axis] Credit Facility [Axis] Nonrelated Party Nonrelated Party [Member] Underlying Security Market Price Change Underlying Security Market Price Change, Percent Balance Sheet Location [Axis] Statement of Financial Position Location, Balance [Axis] Other Commitments [Axis] Other Commitments [Axis] Cash and cash equivalents Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents Canceled/forfeited (in dollars per shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Fair Value Measurements and Investments Fair Value Disclosures [Text Block] Loss on debt extinguishment Gain (Loss) on Extinguishment of Debt Credit Facility [Domain] Credit Facility [Domain] Shareholders’ equity: Equity, Attributable to Parent [Abstract] Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year Vesting Date Fair Value of Equity Awards Granted and Vested in Covered Year [Member] Legal Entity Type of Counterparty [Domain] Legal Entity Type of Counterparty [Domain] Entity Address, Address Line One Entity Address, Address Line One Research and development Research and Development Expense Accumulated Other Comprehensive Loss AOCI Attributable to Parent [Member] Investment, Name [Axis] Investment, Name [Axis] Non-current lease liability Long-term operating lease liabilities (included in other liabilities) Operating Lease, Liability, Noncurrent Beginning balance (in dollars per shares) Ending balance (in dollars per shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instrument Other than Option, Nonvested, Intrinsic Value Ownership [Axis] Ownership [Axis] Derivative Instruments and Hedging Activities Derivative Instruments and Hedging Activities Disclosure [Text Block] Americas Americas [Member] Fair Value as of Grant Date Award Grant Date Fair Value Entity Registrant Name Entity Registrant Name Stock Price or TSR Estimation Method Stock Price or TSR Estimation Method [Text Block] Schedule of Long-Term Debt Instruments Schedule of Long-Term Debt Instruments [Table Text Block] 2029 Guarantee Obligations, Maximum Exposure, Year Four Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions due within the fourth fiscal year following the latest fiscal year. Flash Alliance Ltd Flash Alliance Ltd [Member] Flash Alliance Ltd. Granted (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Unamortized Compensation Costs Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Canceled/forfeited (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Forfeited in Period Tax indemnification liability Tax Liability, Indemnification Tax Liability, Indemnification Related Party Transaction [Line Items] Related Party Transaction [Line Items] K1, K2, And Y7 Facilities K1, K2, And Y7 Facilities [Member] K1, K2, And Y7 Facilities Document Quarterly Report Document Quarterly Report Total assets at fair value Assets, Fair Value Disclosure Changed Peer Group, Footnote Changed Peer Group, Footnote [Text Block] Counterparty Name [Domain] Counterparty Name [Domain] Segment selling, general and administrative Selling, General and Administrative Expense, Adjusted Selling, General and Administrative Expense, Adjusted 2028 Lessee, Operating Lease, Liability, to be Paid, Year Two Utilization Standard Product Warranty Accrual, Decrease for Payments Number of operating segments Number of Operating Segments Future Building Depreciation Payments Future Building Depreciation Payments [Member] Future Building Depreciation Payments Adjustment To PEO Compensation, Footnote Adjustment To PEO Compensation, Footnote [Text Block] Machinery and equipment Machinery and Equipment [Member] Granted (in dollars per shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period, Weighted Average Grant Date Fair Value Investments Investments Related Party [Axis] Related and Nonrelated Parties [Axis] Title Trading Arrangement, Individual Title Peer Group Total Shareholder Return Amount Peer Group Total Shareholder Return Amount Manufacturing capacity percent operating Manufacturing Capacity Percent Operating Manufacturing Capacity Percent Operating Restatement Determination Date: Restatement Determination Date [Axis] Non-PEO NEO Non-PEO NEO [Member] Accounts Receivable Accounts Receivable [Member] Letters of credit outstanding Letters of Credit Outstanding, Amount Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Number of reporting units Number of Reporting Units Purchase Obligation, Fiscal Year Maturity [Abstract] Purchase Obligation, Fiscal Year Maturity [Abstract] Interest expense Interest Expense, Debt Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Segment Reporting, Revenue Reconciling Item [Line Items] Segment Reporting, Revenue Reconciling Item [Line Items] Land Land [Member] Name Trading Arrangement, Individual Name All Award Types Award Type [Domain] 2027 Lessee, Operating Lease, Liability, to be Paid, Year One Net unrealized gain (loss) on derivative contracts Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification, before Tax Net unrealized gain on derivative contracts Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Equity Awards Adjustments Equity Awards Adjustments [Member] Reconciliation of Revenue from Segments to Consolidated [Table] Reconciliation of Revenue from Segments to Consolidated [Table] Pension Benefits Adjustments, Footnote Pension Benefits Adjustments, Footnote [Text Block] Purchase commitment amount Long-Term Purchase Commitment, Amount Disaggregation of Revenue [Line Items] Disaggregation of Revenue [Line Items] Compensation Amount Outstanding Recovery Compensation Amount Remaining three months of 2026 Purchase Obligation, to be Paid, Remainder of Fiscal Year Schedule of Award Activity Share-Based Payment Arrangement, Activity [Table Text Block] Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Foreign exchange contracts Foreign Exchange Contract [Member] Recovery of Erroneously Awarded Compensation Disclosure [Line Items] Revenue recognized Contract with Customer, Liability, Revenue Recognized Accrued compensation Increase (Decrease) in Employee Related Liabilities MNPI Disclosure Timed for Compensation Value MNPI Disclosure Timed for Compensation Value [Flag] 2026 Guarantee Obligations, Maximum Exposure, Year One Maximum potential amount of future payments (undiscounted) the guarantor could be required to make under the guarantee or each group of similar guarantees before reduction for potential recoveries under recourse or collateralization provisions due within the first fiscal year following the latest fiscal year. Name Awards Close in Time to MNPI Disclosures, Individual Name Equity Ownership, Excluding Consolidated Entity and Equity Method Investee, Percentage Equity Ownership, Excluding Consolidated Entity and Equity Method Investee, Percentage Beginning balance (in dollars per shares) Ending balance (in dollars per shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Weighted average shares outstanding: Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Aggregate Erroneous Compensation Not Yet Determined Aggregate Erroneous Compensation Not Yet Determined [Text Block] Notes due to Western Digital Corporation Other Significant Noncash Transaction, Transfer Of Notes Receivable To Parent Other Significant Noncash Transaction, Transfer Of Notes Receivable to Parent Other commitment Other Commitment ESPP Employee Stock [Member] Tax indemnification liability to Western Digital Corporation Tax indemnification liability transferred to Western Digital Corporation Other Significant Noncash Transaction, Transfer Of Unrecognized Tax Benefits From Parent Other Significant Noncash Transaction, Transfer Of Unrecognized Tax Benefits From Parent Stock-based compensation APIC, Share-Based Payment Arrangement, Increase for Cost Recognition Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Segments [Domain] Segments [Domain] Income Statement Location [Axis] Statement of Income Location, Balance [Axis] Europe, Middle East and Africa EMEA [Member] PSUs Performance Shares [Member] Available borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Current portion Standard Product Warranty Accrual, Current Aggregate Pension Adjustments Service Cost Aggregate Pension Adjustments Service Cost [Member] Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] SanDisk Semiconductor (Shanghai) Co. Ltd. SanDisk Semiconductor (Shanghai) Co. Ltd. [Member] SanDisk Semiconductor (Shanghai) Co. Ltd. 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Indemnification Liability Gross profit Gross Profit Flash Forward Ltd Flash Forward Ltd [Member] Flash Forward Ltd. 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Variable Rate [Domain] Variable Rate [Domain] Contract with customer, liability Contract with Customer, Liability Schedule of Financial Assets and Liabilities Measured at Fair Value on Recurring Basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Organization and Basis of Presentation Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Unrecognized tax benefits Unrecognized tax benefit, beginning balance Unrecognized tax benefit, ending balance Unrecognized Tax Benefits Antidilutive weighted-average shares (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Repayment percentage of principal Debt Instrument, Periodic Payment, Percentage Of Principal Debt Instrument, Periodic Payment, Percentage Of Principal Other non-current liabilities Other Miscellaneous Liabilities, Noncurrent Other Miscellaneous Liabilities, Noncurrent All Adjustments to Compensation All 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