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Proceeds from Issuance of Common Stock of Subsidiary Proceeds from Issuance of Common Stock of Subsidiary Repurchases of common stock Payments for Repurchase of Common Stock Payments for debt issuance costs Payments of Debt Issuance Costs Proceeds from debt Proceeds from Issuance of Long-term Debt Repayments of debt Repayments of Long-term Debt Other Proceeds from (Payments for) Other Financing Activities Change in cash from financing activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash, cash equivalents, and restricted cash Effect of Exchange Rate on Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Change in cash, cash equivalents, and restricted cash Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents, Period Increase (Decrease), Including Exchange Rate Effect Cash, cash equivalents, and restricted cash at beginning of the period Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents Cash, cash equivalents, and restricted cash at end of the period Income tax paid Income Taxes Paid Interest paid Interest Paid, Excluding Capitalized Interest, Operating Activities Statement of Financial Position [Abstract] ASSETS Assets [Abstract] Current assets: Assets, Current [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Short-term investments Short-term Investments Accounts receivable, net Accounts Receivable, Net, Current Short-term financing receivables, net Notes, Loans and Financing Receivable, Net, Current Inventories, net Inventory, Net Other current assets Other Assets, Current Total current assets Assets, Current Property, plant, and equipment, net Property, Plant and Equipment, Net Long-term investments Long-term Investments Long-term financing receivables, net Notes, Loans and Financing Receivable, Net, Noncurrent Goodwill Goodwill Intangible assets, net Other non-current assets Other Assets, Noncurrent Total assets Assets LIABILITIES, REDEEMABLE SHARES, AND STOCKHOLDERS’ EQUITY (DEFICIT) Liabilities and Equity [Abstract] Current liabilities: Liabilities, Current [Abstract] Short-term debt Debt, Current Accounts payable Accounts Payable, Current Accrued and other Accrued Liabilities, Current Short-term deferred revenue Contract with Customer, Liability, Current Total current liabilities Liabilities, Current Long-term debt Long-term Debt, Excluding Current Maturities Long-term deferred revenue Contract with Customer, Liability, Noncurrent Other non-current liabilities Other Liabilities, Noncurrent Total liabilities Liabilities Commitments and contingencies (Note 10) Commitments and Contingencies Redeemable shares (Note 17) Temporary Equity, Carrying Amount, Attributable to Parent Stockholders’ equity (deficit): Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Common stock and capital in excess of $0.01 par value (Note 14) Common Stocks, Including Additional Paid 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Heptio Inc. [Member] Heptio Inc. [Member] VeloCloud Networks, Inc. VeloCloud Networks, Inc. [Member] VeloCloud Networks, Inc. [Member] Wavefront and Apteligent, Inc. Wavefront and Apteligent, Inc [Member] Wavefront and Apteligent, Inc. [Member] Developed Technology Customer Contracts Customer Contracts [Member] Purchase price Cash acquired Cash Acquired from Acquisition Purchased intangibles Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Unvested equity acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Unvested Equity Attributable to Post Combination Services Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Unvested Equity Attributable to Post Combination Services Merger consideration Business Combination, Contingent Consideration, Liability Merger consideration held in escrow Escrow Deposit Total consideration transferred Business Combination, Consideration Transferred Intangible assets acquired Finite-lived Intangible Assets Acquired Goodwill recognized Goodwill, Acquired During Period Estimated useful lives of intangible assets acquired Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Step acquisition, gain on remeasurement Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain Fair value of existing investment prior to acquisition Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value Number of businesses acquired Number of Businesses Acquired Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Derivatives in Cash Flow Hedging Relationships Cash Flow Hedging [Member] Total net revenue Sales [Member] Interest and other, net Nonoperating Income (Expense) [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Gain (Loss) Recognized in Accumulated OCI, Net of 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provision Restructuring Costs Cash paid and other Payments for Restructuring Severance liability at end of period CAPITALIZATION Stockholders' Equity Note Disclosure [Text Block] Reconciliation of revenue from segments to consolidated Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Disaggregation of revenue Disaggregation of Revenue [Table Text Block] SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] RSUs and PSUs RSUs and PSUs [Member] RSUs and PSUs [Member] Number of Units Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Shares outstanding, beginning of period (in shares) Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Adjustment for special cash dividend (in shares) Share-based Compensation Arrangement By Share-based Payment Award, Equity Instruments 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dollars per share) Vested, weighted average grant date fair value (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Weighted Average Grant Date Fair Value Forfeited, weighted average grant date fair value (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeitures, Weighted Average Grant Date Fair Value Restricted Stock, Expected To Vest [Abstract] Restricted Stock, Expected To Vest [Abstract] Restricted Stock, Expected To Vest [Abstract] Expected to vest (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Expected to Vest, Number Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other Than Options, Expected to Vest, Number Expected to vest, weighted average remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Weighted Average Remaining Contractual Terms Expected to vest, aggregate intrinsic value BASIS OF PRESENTATION Basis of Accounting [Text Block] Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table] Schedule of Financing Receivable, Recorded Investment, Credit Quality Indicator [Table] Credit Score, FICO [Axis] Credit Score, FICO [Axis] Credit Score, FICO [Domain] Credit Score, FICO [Domain] Higher FICO Score, Greater than 720 [Member] FICO Score, Greater than 720 [Member] Mid FICO Score, 660 to 719 [Member] FICO Score, 660 to 719 [Member] Lower FICO Score, Less Than 660 [Member] FICO Score, Less Than 660 [Member] Revolving — DPA Revolving — DBC Fixed-term — Consumer and Commercial Financing Receivable, Recorded Investment [Line Items] Financing Receivable, Recorded Investment [Line Items] Notional amounts of outstanding derivative instruments Schedule of 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Unit, Percentage of Fair Value in Excess of Carrying Amount Senior Secured Credit Facilities and First Lien Notes Term Loan Facilities, Senior First Lien Notes And First Lien Notes [Member] Term Loan Facilities, Senior First Lien Notes And First Lien Notes [Member] Unsecured Notes and Debentures Unsecured Notes and Debentures [Member] Unsecured Notes and Debentures [Member] Senior Notes and EMC Notes Senior Notes and EMC Notes [Member] Senior Notes and EMC Notes [Member] VMware Notes VMware Notes [Member] VMware Notes [Member] Margin Loan Facility Other Other Debt [Member] Other Debt [Member] Total maturities, principal amount Maturities of Long-term Debt [Abstract] 2020 Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year 2021 Long-term Debt, Maturities, Repayments of Principal in Year Two 2022 Long-term Debt, Maturities, Repayments of Principal in Year Three 2023 Long-term Debt, Maturities, Repayments of Principal in Year Four 2024 Long-term Debt, Maturities, Repayments of Principal in Year Five Thereafter Long-term Debt, Maturities, Repayments of Principal after Year Five Total debt, principal amount Associated carrying value adjustments Debt Issuance Costs, Net [Abstract] 2020 Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Remainder of Fiscal Year Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Remainder of Fiscal Year 2021 Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Year Two Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Year Two 2022 Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Year Three Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Year Three 2023 Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Year Four Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Year Four 2024 Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Year Five Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, Year Five Thereafter Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, After Year Five Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net, After Year Five Total Debt Instrument, Unamortized Discount (Premium) and Debt Issuance Costs, Net Total maturities, carrying value amount Long-term Debt, Fiscal Year Maturity [Abstract] 2020 Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year, Net Long-term Debt, Maturities, Repayments of Principal, Remainder of Fiscal Year, Net 2021 Long-term Debt, Maturities, Repayments of Principal in Year Two, Net Long-term Debt, Maturities, Repayments of Principal in Year Two, Net 2022 Long-term Debt, Maturities, Repayments of Principal in Year Three, Net Long-term Debt, Maturities, Repayments of Principal in Year Three, Net 2023 Long-term Debt, Maturities, Repayments of Principal in Year Four, Net Long-term Debt, Maturities, Repayments of Principal in Year Four, Net 2024 Long-term Debt, Maturities, Repayments of Principal in Year Five, Net Long-term Debt, Maturities, Repayments of Principal in Year Five, Net Thereafter Long-term Debt, Maturities, Repayments of Principal After Year Five, Net Long-term Debt, Maturities, Repayments of Principal After Year Five, Net Deferred tax assets: Deferred Tax Assets, Gross [Abstract] Deferred revenue and warranty provisions Deferred Tax Assets, Deferred Revenue and Warranty Provisions Deferred Tax Assets, Deferred Revenue and Warranty Provisions Provisions for product returns and doubtful accounts Deferred Tax Assets, Provisions for Product Returns and Doubtful Accounts Deferred Tax Assets, Provisions for Product Returns and Doubtful Accounts Credit carryforwards Deferred Tax Assets, Tax Credit Carryforwards Loss carryforwards Deferred Tax Assets, Operating Loss Carryforwards Operating and compensation related accruals Deferred Tax Assets, Tax Deferred Expense, Operating and Compensation Related Accruals Deferred Tax Assets, Tax Deferred Expense, Operating and Compensation Related Accruals Other Deferred Tax Assets, Other Deferred tax assets Valuation allowance Deferred tax liabilities: Deferred Tax Liabilities, Gross [Abstract] Leasing and financing Deferred Tax Liabilities, Leases and Financing Deferred Tax Liabilities, Leases and Financing Property and equipment Deferred Tax Liabilities, Property, Plant and Equipment Acquired intangibles Deferred Tax Liabilities, Intangible Assets Other Deferred Tax Liabilities, Other Deferred tax liabilities Deferred Tax Liabilities, Gross Net deferred tax liabilities Deferred Tax Liabilities, Net Net revenue Gross margin Net income (loss) from continuing operations Net loss attributable to Dell Technologies Inc. Temporary Equity, by Class of Stock [Table] Temporary Equity, by Class of Stock [Table] RSUs RSAs Common Stock Common Stock [Member] Temporary Equity [Line Items] Temporary Equity [Line Items] Holding period Share-based Compensation Arrangement by Share-based Payment Award, Options And Equity Instruments Other than Options, Put Feature Holding Period Share-based Compensation Arrangement by Share-based Payment Award, Options And Equity Instruments Other than Options, Put Feature Holding Period Expiration period Share-based Compensation Arrangement By Share-based Payment Award, Options And Equity Instruments Other Than Options, Put Feature Expiration Period Share-based Compensation Arrangement By Share-based Payment Award, Options And Equity Instruments Other Than Options, Put Feature Expiration Period Redeemable shares classified as temporary equity Redeemable shares issued (in shares) Temporary Equity, Shares Issued Redeemable shares outstanding (in shares) Temporary Equity, Shares Outstanding Summary of company's investments Investment [Table Text Block] 2020 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months 2021 Finite-Lived Intangible Assets, Amortization Expense, Year Two 2022 Finite-Lived Intangible Assets, Amortization Expense, Year Three 2023 Finite-Lived Intangible Assets, Amortization Expense, Year Four 2024 Finite-Lived Intangible Assets, Amortization Expense, Year Five Thereafter Finite-Lived Intangible Assets, Amortization Expense, after Year Five Measurement Basis [Axis] Measurement Basis [Axis] Fair Value Measurement [Domain] Fair Value Measurement [Domain] Portion at Fair Value Measurement Portion at Fair Value Measurement [Member] Carrying Value Reported Value Measurement [Member] Fair Value Estimate of Fair Value Measurement [Member] First Lien Notes First Lien Notes [Member] First Lien Notes [Member] Unsecured Notes and Debentures Senior Notes Senior Unsecured Notes [Member] Senior Unsecured Notes [Member] EMC Notes EMC Notes [Member] EMC Notes [Member] VMware Notes Outstanding debt Long-term Debt, Fair Value DHI Group Repurchase Program DHI Group Repurchase Program [Member] DHI Group Repurchase Program [Member] Common Stock, Shares Outstanding [Roll Forward] Common Stock, Shares Outstanding [Roll Forward] Common Stock, Shares Outstanding [Roll Forward] Outstanding Shares of Class V Common Stock (in shares) Repurchases of stock Outstanding Shares of Class V Common Stock (in shares) Interest in Class V Common Stock Common Stock, Ownership Percentage Common Stock, Ownership Percentage Retained Interest, Shares Outstanding [Roll Forward] Retained Interest, Shares Outstanding [Roll Forward] Retained Interest, Shares Outstanding [Roll Forward] Retained Interest Shares, beginning balance Common Stock Authorized, Shares, Unissued Common Stock Authorized, Shares, Unissued Retained interest shares (in shares) Common Stock Authorized, Shares, Unissued, Increase (Decrease) Common Stock Authorized, Shares, Unissued, Increase (Decrease) Retained Interest Shares, ending balance Interest in Class V Group Common Stock, Economic Ownership Percentage Common Stock, Economic Ownership Percentage Transfers (to)/from the non-controlling interests: Noncontrolling Interest Items [Abstract] Increase in Dell Technologies Inc. additional paid-in-capital for equity issuances and other equity activity Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Issuance of Equity by Subsidiary to Noncontrolling Interests Decrease in Dell Technologies Inc. additional paid-in-capital for equity issuances and other equity activity Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Other Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Other Net transfers from non-controlling interests Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Net Change from net loss attributable to Dell Technologies Inc. and transfers (to)/from the non-controlling interests Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Change Due to Net Income Attributable to Parent and Effects of Changes, Net DEFERRED REVENUE Deferred Revenue Disclosure [Text Block] U.S. federal statutory rate Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent State income taxes, net of federal tax benefit Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Tax impact of foreign operations Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Indirect tax effects of adoption of new revenue standard Effective Income Tax Rate Reconciliation, Adoption Of New Accounting Standard, Percent Effective Income Tax Rate Reconciliation, Adoption Of New Accounting Standard, Percent U.S. Tax Reform Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Percent IRS tax audit settlement Effective Income Tax Rate Reconciliation, Tax Settlement, Domestic, Percent Non-deductible transaction-related costs Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent Stock based compensation Effective Income Tax Rate Reconciliation, Share-based Compensation, Excess Tax Benefit, Percent Other tax credits Effective Income Tax Rate Reconciliation, Tax Credit, Other, Percent Other Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Effective income tax rate Effective Income Tax Rate Reconciliation, Percent Noncontrolling Interest [Table] Noncontrolling Interest [Table] Pivotal Pivotal [Member] Pivotal [Member] SecureWorks SecureWorks Corp. [Member] SecureWorks Corp. 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