Share-based Payment Arrangement [Abstract] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Schedule of Share-based Compensation Arrangements by Share-based Payment Award [Table] Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] VMware VMware, Inc. [Member] VMware, Inc. [Member] Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] VMware 2007 Equity and Incentive Plan VMware 2007 Equity and Incentive Plan [Member] VMware 2007 Equity and Incentive Plan [Member] Dell Technologies Inc. 2013 Stock Incentive Plan Dell Technologies Inc. 2013 Stock Incentive Plan [Member] Dell Technologies Inc. 2013 Stock Incentive Plan [Member] Award Type [Axis] Award Type [Axis] Award Type [Domain] Award Type [Domain] Employee Stock Option Share-based Payment Arrangement, Option [Member] Performance-Based Employee Stock Options Performance-Based Employee Stock Options [Member] Performance-Based Employee Stock Options [Member] Time-Based Employee Stock Options Time-Based Employee Stock Options [Member] Time-Based Employee Stock Options [Member] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Class C Common Class C [Member] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Number of Options Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Options outstanding, beginning balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross Adjustment for special cash dividend (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, special cash dividend in Period Share-based Compensation Arrangement by Share-based Payment Award, Options, special cash dividend in Period Exercised (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Canceled/expired (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Options outstanding, ending balance (in shares) Exercisable (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Vested and expected to vest (net of estimated forfeitures) (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number Weighted-Average Exercise Price Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract] Options outstanding, weighted average exercise price (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Granted, weighted average exercise price (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Adjustment for special cash dividend (in dollars per share) Share-based Payment Arrangement, Option, Exercise Price Range, weighted-average exercise price of options outstanding Share-based Payment Arrangement, Option, Exercise Price Range, weighted-average exercise price of options outstanding Exercised, weighted average exercise price (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Forfeited, weighted average exercise price (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Canceled/expired, weighted average exercise price (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Exercisable, weighted average exercise price (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Vested and expected to vest, weighted average exercise price (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price Weighted-Average Remaining Contractual Term Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Options outstanding, weighted average remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Exercisable, weighted average remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Vested and expected to vest, weighted average remaining contractual term Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Aggregate Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Intrinsic Value [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Intrinsic Value [Abstract] Options outstanding, aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Exercisable, aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Vested and expected to vest, aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value Share price (in dollars per share) Share Price Organization, Consolidation and Presentation of Financial Statements [Abstract] Principles of Consolidation and EMC Merger Transaction Consolidation, Subsidiaries or Other Investments, Consolidated Entities, Policy [Policy Text Block] Basis of Presentation Basis of Accounting, Policy [Policy Text Block] Fiscal Period Fiscal Period, Policy [Policy Text Block] Principles of Consolidation Consolidation, Policy [Policy Text Block] Use of Estimates Use of Estimates, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Investments Investment, Policy [Policy Text Block] Allowance for Doubtful Accounts Receivables, Trade and Other Accounts Receivable, Allowance for Doubtful Accounts, Policy [Policy Text Block] Accounting for Operating Leases as a Lessee Lessee, Leases [Policy Text Block] Accounting for Leases as a Lessor Lessor, Leases [Policy Text Block] Financing Receivables Financing Receivable, Held-for-investment [Policy Text Block] Allowances for Financing Receivables Leases Loans and Leases Receivable, Allowance for Loan Losses Policy [Policy Text Block] Asset Securitization Transfers and Servicing of Financial Assets, Transfers of Financial Assets, Financings, Policy [Policy Text Block] Inventories Inventory, Policy [Policy Text Block] Property, Plant, and Equipment Property, Plant and Equipment, Policy [Policy Text Block] Capitalized Software Development Costs Software to be Sold, Leased, or Otherwise Marketed, Policy [Policy Text Block] Internal Use Software Internal Use Software, Policy [Policy Text Block] Impairment of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Business Combinations Business Combinations Policy [Policy Text Block] Intangible Assets Including Goodwill Goodwill and Intangible Assets, Policy [Policy Text Block] Foreign Currency Translation Foreign Currency Transactions and Translations Policy [Policy Text Block] Hedging Instruments Derivatives, Policy [Policy Text Block] Revenue Recognition Revenue from Contract with Customer [Policy Text Block] Standard Warranty Liabilities Standard Product Warranty, Policy [Policy Text Block] Loss Contingencies Commitments and Contingencies, Policy [Policy Text Block] Selling, General, and Administrative Selling, General and Administrative Expenses, Policy [Policy Text Block] Research and Development Research and Development Expense, Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Stock-Based Compensation Share-based Payment Arrangement [Policy Text Block] Recently Issued and Adopted Accounting Pronouncements New Accounting Pronouncements, Policy [Policy Text Block] Money Market Funds Cash and Cash Equivalents, Unrestricted Cash and Cash Equivalents, Policy [Policy Text Block] Equity and Other Securities and Debt Securities Marketable Securities, Policy [Policy Text Block] Derivative Instruments Derivatives, Methods of Accounting, Hedging Derivatives [Policy Text Block] Assets and Liabilities Measured at Fair Value on a Nonrecurring Basis Fair Value Measurement, Policy [Policy Text Block] Equity [Abstract] Schedule of stock Schedule of Stock by Class [Table Text Block] Condensed Financial Information Disclosure [Abstract] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Income Statement Location [Axis] Income Statement Location [Axis] Income Statement Location [Domain] Income Statement Location [Domain] Cost of net revenue Cost of Sales [Member] Selling, general, and administrative Selling, General and Administrative Expenses [Member] Research and development Research and Development Expense [Member] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Employee Severance Employee Severance [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Total severance charges Restructuring Charges Interest and other, net: Interest and Other Income [Abstract] Investment income, primarily interest Investment Income, Interest and Dividend Gain on investments, net Gain (Loss) on Investments Interest expense Interest Expense Foreign exchange Foreign Currency Transaction Gain (Loss), before Tax Other Other Nonoperating Income (Expense) Total interest and other, net Nonoperating Income (Expense) Leases [Abstract] Operating lease expense: Lease, Cost [Abstract] Operating lease costs Operating Lease, Cost Variable costs Variable Lease, Cost Total lease costs Lease, Cost Segment Reporting [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] Consolidation Items [Axis] Consolidation Items [Axis] Consolidation Items [Domain] Consolidation Items [Domain] Operating segments Operating Segments [Member] Unallocated transactions Corporate, Non-Segment [Member] Reconciling items Segment Reconciling Items [Member] Segments [Axis] Segments [Axis] Segments [Domain] Segments [Domain] Infrastructure Solutions Group Infrastructure Solutions Group [Member] Infrastructure Solutions Group [Member] Client Solutions Group Client Solutions [Member] Client Solutions [Member] Other businesses Other Segments [Member] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Total net revenue Revenues Consolidated operating income (loss) Operating Income (Loss) Impact of purchase accounting Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustments Related to Previous Period Amortization of intangibles Amortization of Intangible Assets Transaction-related expenses Business Combination, Integration Related Costs Stock-based compensation expense Share-based Payment Arrangement, Expense Other corporate expenses Other Expenses Receivables [Abstract] Financing Receivable, Past Due [Table] Financing Receivable, Past Due [Table] Financial Asset, Period Past Due [Axis] Financial Asset, Period Past Due [Axis] Financial Asset, Period Past Due [Domain] Financial Asset, Period Past Due [Domain] Past Due 1 — 90 Days Financing Receivables, 1 To 89 Days Past Due [Member] Financing Receivables, 1 To 89 Days Past Due [Member] Past Due 90 Days Financial Asset, Equal to or Greater than 90 Days Past Due [Member] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Axis] Financing Receivable Portfolio Segment [Domain] Financing Receivable Portfolio Segment [Domain] Revolving Revolving Loan Portfolio Segment [Member] Revolving Loan Portfolio Segment [Member] Fixed-term Finance Leases Portfolio Segment [Member] Type of Borrower [Axis] Type of Borrower [Axis] Class of Financing Receivable, Type of Borrower [Domain] Class of Financing Receivable, Type of Borrower [Domain] Revolving — DPA Consumer Borrower [Member] Revolving — DBC Small And Medium Commercial Borrower [Member] Small And Medium Commercial Borrower [Member] Fixed-term — Consumer and Commercial Consumer And Small Commercial Borrower [Member] Consumer And Small Commercial Borrower [Member] Receivable Type [Axis] Receivable Type [Axis] Receivable [Domain] Receivable [Domain] Customer receivables Loans and Finance Receivables [Member] Financing Receivable, Past Due [Line Items] Financing Receivable, Past Due [Line Items] Current Financing Receivable, Not Past Due Past due Financing Receivable, Past Due Total customer receivables, gross Financing Receivable, before Allowance for Credit Loss Earnings Per Share [Abstract] Adjustments and Eliminations Intersegment Eliminations [Member] Net revenue Total cost of net revenue Cost of Revenue Gross margin Gross Profit Selling, general, and administrative Selling, General and Administrative Expense Research and development Research and Development Expense Total operating expenses Operating Expenses Operating income (loss) Interest and other, net Loss before income taxes Income (Loss), Including Portion Attributable to Noncontrolling Interest, before Tax Income tax benefit Income Tax Expense (Benefit) Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Derivative Instruments and Hedging Activities Disclosure [Abstract] Derivative Instruments, Gain (Loss) [Table] Derivative Instruments, Gain (Loss) [Table] Hedging Designation [Axis] Hedging Designation [Axis] Hedging Designation [Domain] Hedging Designation [Domain] Non-designated as hedging instruments Not Designated as Hedging Instrument [Member] Hedging Relationship [Axis] Hedging Relationship [Axis] Hedging Relationship [Domain] Hedging Relationship [Domain] Derivatives in Cash Flow Hedging Relationships Cash Flow Hedging [Member] Derivative Instrument [Axis] Derivative Instrument [Axis] Derivative Contract [Domain] Derivative Contract [Domain] Foreign exchange contracts Foreign Exchange Contract [Member] Interest rate contracts Interest Rate Contract [Member] Total net revenue Sales [Member] Total cost of net revenue Interest and other, net Nonoperating Income (Expense) [Member] Derivative Instruments, Gain (Loss) [Line Items] Derivative Instruments, Gain (Loss) [Line Items] Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), Reclassification, before Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), before Reclassification and Tax Gain (Loss) Recognized in Accumulated OCI, Net of Tax, on Derivatives Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, before Tax Gain (Loss) Reclassified from Accumulated OCI into Income Derivative Instruments, Gain (Loss) Reclassified from Accumulated OCI into Income, Effective Portion, Net Gain (Loss) Recognized in Income Derivative Instruments Not Designated as Hedging Instruments, Gain (Loss), Net EARNINGS (LOSS) PER SHARE Earnings Per Share [Text Block] Stock-based compensation expense Share-based Payment Arrangement, Expensed and Capitalized, Amount [Table Text Block] Stock option activity Share-based Payment Arrangement, Option, Activity [Table Text Block] Valuation assumptions Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block] Restricted stock and restricted stock units activity Schedule of Nonvested Restricted Stock Units Activity [Table Text Block] ESPP activity Schedule of Share-based Compensation, Employee Stock Purchase Plan, Activity [Table Text Block] Nonvested restricted stock activity Nonvested Restricted Stock Shares Activity [Table Text Block] Schedule of Stock by Class [Table] Schedule of Stock by Class [Table] Statistical Measurement [Axis] Statistical Measurement [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] Weighted Average Weighted Average [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Margin Loan Facility Bridge Loan [Member] Credit Facility [Axis] Credit Facility [Axis] Credit Facility [Domain] Credit Facility [Domain] Line of Credit Line of Credit [Member] Share Repurchase Program [Axis] Share Repurchase Program [Axis] Share Repurchase Program [Domain] Share Repurchase Program [Domain] Dell Stock Repurchase Program Dell Stock Repurchase Program [Member] Dell Stock Repurchase Program [Member] August 2017 and March 2017 Class V Group Repurchase Programs August 2017 and March 2017 Class V Group Repurchase Programs [Member] August 2017 and March 2017 Class V Group Repurchase Programs [Member] March 2017 Class V Group Repurchase Program March 2017 Class V Group Repurchase Program [Member] March 2017 Class V Group Repurchase Program [Member] August 2017 Class V Group Repurchase Program August 2017 Class V Group Repurchase Program [Member] August 2017 Class V Group Repurchase Program [Member] January 2017 and August 2017 Authorizations January 2017 and August 2017 Authorizations [Member] January 2017 and August 2017 Authorizations [Member] VMware Stock Repurchase Program December 2016 VMware Stock Repurchase Program December 2016 [Member] VMware Stock Repurchase Program December 2016 [Member] VMware Stock Repurchase Program January 2017 VMware Stock Repurchase Program January 2017 [Member] VMware Stock Repurchase Program January 2017 [Member] August 2017 Authorization August 2017 Authorization [Member] August 2017 Authorization [Member] March 2017 and August 2017 Stock Purchase Agreements March 2017 and August 2017 Stock Purchase Agreements [Member] March 2017 and August 2017 Stock Purchase Agreements [Member] March 2017 VMWare Stock Purchase Agreement March 2017 VMWare Stock Purchase Agreement [Member] March 2017 VMWare Stock Purchase Agreement [Member] August 2017 VMware Stock Purchase Agreement August 2017 VMware Stock Purchase Agreement [Member] August 2017 VMware Stock Purchase Agreement [Member] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] Merger Agreement Merger Agreement [Member] Merger Agreement [Member] Ownership [Axis] Ownership [Axis] Ownership [Domain] Ownership [Domain] Class V Common Stock Owners Class V Common Stock Owners [Member] Class V Common Stock Owners [Member] DHI Group Owners DHI Group Owners [Member] DHI Group Owners [Member] Class V Common Stock Common Class V [Member] Common Class V [Member] Class V Group Repurchase Program Class V Group Repurchase Program [Member] Class V Group Repurchase Program [Member] DHI Group Common Class A, Common Class B, Common Class C And Common Class D [Member] Common Class A, Common Class B, Common Class C And Common Class D [Member] Class A common stock Common Class A [Member] Class B Common Class B [Member] Class D Common Class D [Member] Common Class D [Member] VMware, Inc. Class of Stock [Line Items] Class of Stock [Line Items] Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, issued (in shares) Preferred Stock, Shares Issued Preferred stock, outstanding (in shares) Preferred Stock, Shares Outstanding Outstanding shares (in shares) Common Stock, Shares, Outstanding Number of voting interests per share Common Stock, Number Of Voting Rights Common Stock, Number Of Voting Rights Conversion of stock, shares issued (in shares) Conversion of Stock, Shares Issued Cash payment Payments to Acquire Businesses, Gross Shares issued (in shares) Stock Issued During Period, Shares, Acquisitions Equity issued in acquisition Business Combination, Consideration Transferred, Equity Interests Issued and Issuable Per share cash consideration (in dollars per share) Business Combination, Consideration Transferred, Convertible Shares, Amount Per Share Business Combination, Consideration Transferred, Convertible Shares, Amount Per Share Convertible shares, ratio of shares Business Combination, Consideration Transferred, Convertible Shares, Ratio Of Shares Business Combination, Consideration Transferred, Convertible Shares, Ratio Of Shares Consecutive trading days Equity Instrument, Covenant, Threshold Consecutive Trading Days Equity Instrument, Covenant, Threshold Consecutive Trading Days Proceeds from issuance of debt Proceeds from Issuance of Debt Cash dividend received and used to fund acquisition Proceeds From Dividends From Affiliates Proceeds From Dividends From Affiliates Conditional one-time special cash dividend Business Combination, Conditional Cash Dividend Paid Business Combination, Conditional Cash Dividend Paid Stock repurchases, remaining authorized amount Stock Repurchase Program, Remaining Authorized Repurchase Amount Stock repurchases, authorized amount Stock Repurchase Program, Authorized Amount Repurchase program expiration period Stock Repurchase Program, Term Stock Repurchase Program, Term Shares repurchased (in shares) Treasury Stock, Shares, Acquired Shares repurchased (in shares) Stock Repurchased During Period, Shares Aggregate purchase price Treasury Stock, Value, Acquired, Cost Method Accumulated deficit Retained Earnings (Accumulated Deficit) Number of stock purchase agreements Number of Stock Purchase Agreements Number of Stock Purchase Agreements Stock repurchase program, discount percentage Stock Repurchase Program, Discount Percentage Stock Repurchase Program, Discount Percentage Income Tax Disclosure [Abstract] Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] Valuation Allowance by Deferred Tax Asset [Axis] Valuation Allowance by Deferred Tax Asset [Axis] Deferred Tax Asset [Domain] Deferred Tax Asset [Domain] Tax Credit Carryforward Tax Credit Carryforward [Member] Tax Credit Carryforward [Member] Foreign countries Foreign Subsidiaries [Member] Foreign Subsidiaries Income Tax Authority, Name [Axis] Income Tax Authority, Name [Axis] Income Tax Authority, Name [Domain] Income Tax Authority, Name [Domain] Internal Revenue Service (IRS) Internal Revenue Service (IRS) [Member] Minimum Minimum [Member] Maximum Maximum [Member] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Income tax benefit Loss before income taxes Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest Loss before income taxes Discrete tax benefit from intra-entity asset transfer Effective Income Tax Rate Reconciliation, Intra-Entity Asset Transfer Effective Income Tax Rate Reconciliation, Intra-Entity Asset Transfer Provisional benefit Tax Cuts and Jobs Act, Incomplete Accounting, Provisional Income Tax Expense (Benefit) Tax benefit related to the remeasurement of deferred tax assets and liabilities Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Change In Tax Rate, Deferred Tax Asset, Provisional Income Tax Expense (Benefit) Tax Cuts And Jobs Act Of 2017, Incomplete Accounting, Change In Tax Rate, Deferred Tax Asset, Provisional Income Tax Expense (Benefit) Current and future income tax expenses related to the Transition Tax Tax Cuts and Jobs Act, Incomplete Accounting, Transition Tax for Accumulated Foreign Earnings, Provisional Income Tax Expense Discrete tax benefit relating to virtustream impairment charges Effective Income Tax Rate Reconciliation, Nondeductible Expense, Impairment Losses, Amount Discrete tax benefit from adoption of revenue standard Effective Income Tax Rate Reconciliation, Adoption Of New Accounting Standard Effective Income Tax Rate Reconciliation, Adoption Of New Accounting Standard Discrete tax benefit from share-based Payment Effective Income Tax Rate Reconciliation, Nondeductible Expense, Share-based Payment Arrangement, Amount Discrete tax benefit from settlement Effective Income Tax Rate Reconciliation, Tax Settlement, Amount Tax holiday, aggregate amount Income Tax Holiday, Aggregate Dollar Amount Tax holiday, benefits per share (in dollars per share) Income Tax Holiday, Income Tax Benefits Per Share Undistributed earnings of foreign subsidiaries Undistributed Earnings of Foreign Subsidiaries Valuation allowance against assets included in U.S. Tax Reform effect Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Unrecognized tax benefits Unrecognized Tax Benefits, and Income Tax Penalties and Interest Accrued Unrecognized Tax Benefits, and Income Tax Penalties and Interest Accrued Unrecognized tax benefits that would impact income tax expense Unrecognized Tax Benefits that Would Impact Effective Tax Rate Accrued interest and penalties Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued Interest and state tax deductions Unrecognized Tax Benefits, Interest Deductions Unrecognized Tax Benefits, Interest Deductions Interest and penalties expense Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense Settlement amount Tax Adjustments, Settlements, and Unusual Provisions Decrease in unrecognized tax benefits Decrease in Unrecognized Tax Benefits is Reasonably Possible Condensed Financial Statements [Table] Condensed Financial Statements [Table] Consolidated Entities [Axis] Consolidated Entities [Axis] Consolidated Entities [Domain] Consolidated Entities [Domain] Parent Company Parent Company [Member] Condensed Financial Statements, Captions [Line Items] Condensed Financial Statements, Captions [Line Items] Equity in net loss of subsidiaries attributable to Dell Technologies Inc. Income (Loss) from Subsidiaries, Net of Tax Parent - Total operating expense Income tax expense (benefit) Parent - Loss before equity in net income of subsidiaries Income (Loss) From Continuing Operations Before Equity Method Investments And Noncontrolling Interest, Net Of Tax Income (Loss) From Continuing Operations Before Equity Method Investments And Noncontrolling Interest, Net Of Tax Net income (loss) attributable to Dell Technologies Inc. Net Income (Loss) Attributable to Parent Other comprehensive income (loss) of subsidiaries attributable to Dell Technologies Inc. Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Comprehensive income (loss) attributable to Dell Technologies Inc. Comprehensive Income (Loss), Net of Tax, Attributable to Parent Gross margin Net income (loss) from continuing operations Income (Loss) from Continuing Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Net income attributable to Dell Technologies Inc. Continuing operations - basic (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Continuing operations - diluted (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Lessee, Lease, Description [Table] Lessee, Lease, Description [Table] Lessee, Lease, Description [Line Items] Lessee, Lease, Description [Line Items] Operating lease not yet commenced Lessee, Operating Lease, Lease Not Yet Commenced, Liability Lessee, Operating Lease, Lease Not Yet Commenced, Liability Remaining lease term Lessee, Operating Lease, Remaining Lease Term Lessee, Operating Lease, Remaining Lease Term Term of lease contract Lessee, Operating Lease, Lease Not yet Commenced, Term of Contract Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Short-term, net Financing Receivables, Short-term, Net [Member] Financing Receivables, Short-term, Net [Member] Long-term, net Financing Receivables, Long-term, Net [Member] Financing Receivables, Long-term, Net [Member] Variable Interest Entities [Axis] Variable Interest Entities [Axis] Variable Interest Entity, Classification [Domain] Variable Interest Entity, Classification [Domain] Variable Interest Entity, Primary Beneficiary Variable Interest Entity, Primary Beneficiary [Member] Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Assets held by consolidated VIEs, net Variable Interest Entity, Consolidated, Carrying Amount, Assets Revenue from Contract with Customer [Abstract] Remaining performance obligations Revenue, Remaining Performance Obligation, Amount Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Table] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Start Date [Axis] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction [Line Items] Remaining performance obligation percentage Revenue, Remaining Performance Obligation, Percentage Deferred revenue recognition period Revenue, Remaining Performance Obligation, Expected Timing of Satisfaction, Period Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Schedule of Earnings Per Share, Basic, by Common Class, Including Two Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items] Earnings (loss) per share attributable to Dell Technologies Inc. — basic: Earnings Per Share, Basic [Abstract] Basic (in dollars per share) Earnings Per Share, Basic Earnings (loss) per share attributable to Dell Technologies Inc. — diluted: Earnings Per Share, Diluted [Abstract] Diluted (in dollars per share) Earnings Per Share, Diluted Numerator: Continuing operations Net Income (Loss) Attributable to Parent [Abstract] Net income attributable to Dell Technologies — basic Net Income (Loss) Available to Common Stockholders, Basic Incremental dilution from VMware Dilutive Securities, Effect on Basic Earnings Per Share, Dilutive Convertible Securities Net income (loss) - diluted Net Income (Loss) Available to Common Stockholders, Diluted Denominator: weighted-average shares outstanding Weighted Average Number of Shares Outstanding Reconciliation [Abstract] Weighted-average shares outstanding - basic (in shares) Weighted Average Number of Shares Outstanding, Basic Dilutive effect of options, restricted stock units, restricted stock, and other (in shares) Incremental Common Shares Attributable to Dilutive Effect of Share-based Payment Arrangements Weighted-average shares outstanding - diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Weighted-average shares outstanding - antidilutive (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount RSUs and PSUs RSUs and PSUs [Member] RSUs and PSUs [Member] Restricted Stock Restricted Stock [Member] Restricted Stock Units (RSUs) Restricted Stock Units (RSUs) [Member] Performance Shares Performance Shares [Member] Pivotal Pivotal [Member] Pivotal [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) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number 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) Vested (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Shares outstanding, end of period (in shares) Weighted-Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Shares outstanding, weighted average grant date fair value (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value Granted, weighted average grant date fair value (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 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 Number of shares outstanding (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Outstanding, Number 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 Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Outstanding Movement in Standard Product Warranty Accrual [Roll Forward] Movement in Standard Product Warranty Accrual [Roll Forward] Warranty liability, beginning of period Standard Product Warranty Accrual Costs accrued for new warranty contracts and changes in estimated for pre-existing warranties Standard Product Warranty Accrual, Increase For Warranties Issued, Increase (Decrease) for Preexisting Warranties, And Foreign Currency Translation Gain (Loss) Standard Product Warranty Accrual, Increase For Warranties Issued, Increase (Decrease) for Preexisting Warranties, And Foreign Currency Translation Gain (Loss) Service obligations honored Standard Product Warranty Accrual, Decrease for Payments Warranty liability, end of period Current portion Standard Product Warranty Accrual, Current Non-current portion Standard Product Warranty Accrual, Noncurrent Operating lease ROU assets Operating Lease, Right-of-Use Asset Current operating lease liabilities Operating Lease, Liability, Current Non-current operating lease liabilities Operating Lease, Liability, Noncurrent Total operating lease liabilities Operating Lease, Liability Weighted-average remaining lease term (in years) Operating Lease, Weighted Average Remaining Lease Term Weighted-average discount rate Operating Lease, Weighted Average Discount Rate, Percent VMWare Employee Stock Purchase Plan VMWare Employee Stock Purchase Plan [Member] VMWare Employee Stock Purchase Plan [Member] Employee Stock Employee Stock [Member] Weighted-average grant date fair value of stock options granted per option (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Expected term (in years) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Risk-free rate (U.S. Government Treasury Note) Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Expected volatility Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Expected dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate FINANCIAL SERVICES Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Temporary Equity Disclosure [Abstract] Temporary equity Temporary Equity [Table Text Block] 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 Operating leases Deferred Tax Assets, Operating Lease Deferred Tax Assets, Operating Lease Intangible assets Deferred Tax Assets, Goodwill and Intangible Assets Other Deferred Tax Assets, Other Deferred tax assets Deferred Tax Assets, Gross Valuation allowance Deferred Tax Assets, Valuation Allowance Net Deferred Tax Assets Deferred Tax Assets, Net of 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 Operating leases Deferred Tax Liabilities, Leasing Arrangements 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 assets (liabilities) Deferred Tax Assets, Net Net deferred tax assets (liabilities) Deferred Tax Liabilities, Net SEGMENT INFORMATION Segment Reporting Disclosure [Text Block] CAPITALIZATION Stockholders' Equity Note Disclosure [Text Block] Noncontrolling Interest [Abstract] NON-CONTROLLING INTERESTS Noncontrolling Interest Disclosure [Text Block] Components of lease expense and supplemental information Lease, Cost [Table Text Block] Maturity of operating lease liabilities Lessee, Operating Lease, Liability, Maturity [Table Text Block] Future minimum lease payments Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Parent [Member] Investments AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Parent [Member] Cash Flow Hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Parent [Member] Cash Flow Hedges Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Parent [Member] Pension and Other Postretirement Plans Accumulated Defined Benefit Plans Adjustment Attributable to Parent [Member] Accumulated Other Comprehensive Income (Loss) AOCI Attributable to Parent [Member] Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Including Portion Attributable to Noncontrolling Interest [Member] Investments AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Including Noncontrolling Interest [Member] Cash Flow Hedges Accumulated Net Gain (Loss) from Cash Flow Hedges Including Portion Attributable to Noncontrolling Interest [Member] Cash Flow Hedges Accumulated Gain (Loss), Cash Flow Hedge, Including Noncontrolling Interest [Member] Pension and Other Postretirement Plans Accumulated Defined Benefit Plans Adjustment Including Portion Attributable to Noncontrolling Interest [Member] Foreign Currency Translation Adjustments Accumulated Foreign Currency Adjustment Attributable to Noncontrolling Interest [Member] Investments AOCI, Accumulated Gain (Loss), Debt Securities, Available-for-sale, Noncontrolling Interest [Member] Cash Flow Hedges Accumulated Net Gain (Loss) from Cash Flow Hedges Attributable to Noncontrolling Interest [Member] Cash Flow Hedges Accumulated Gain (Loss), Net, Cash Flow Hedge, Noncontrolling Interest [Member] Pension and Other Postretirement Plans Accumulated Defined Benefit Plans Adjustment Attributable to Noncontrolling Interest [Member] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] AOCI [Roll Forward] AOCI Including Portion Attributable to Noncontrolling Interest, Net of Tax [Roll Forward] Balance, beginning of period Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Adjustment for adoption of accounting standard Cumulative Effect of New Accounting Principle in Period of Adoption Other comprehensive income (loss) before reclassifications Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Other comprehensive income (loss) before reclassifications Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Total other comprehensive income (loss), net of tax expense (benefit) of $(14), $14, and $12, respectively Other Comprehensive Income (Loss), Net of Tax Total change for the period including accounting adjustments Other Comprehensive Income (Loss), Net of Tax and Cumulative Effect of New Accounting Principle in Period of Adoption Other Comprehensive Income (Loss), Net of Tax and Cumulative Effect of New Accounting Principle in Period of Adoption Less: Change in comprehensive loss attributable to non-controlling interests Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Noncontrolling Interest Balance, end of period DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES Derivative Instruments and Hedging Activities Disclosure [Text Block] Financing Receivable, Credit Quality Indicator [Table] Financing Receivable, 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, Credit Quality Indicator [Line Items] Financing Receivable, Credit Quality Indicator [Line Items] Customer receivables, gross Retirement Benefits [Abstract] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Axis] Retirement Plan Sponsor Location [Domain] Retirement Plan Sponsor Location [Domain] Domestic Plan Domestic Plan [Member] U.S. UNITED STATES Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Plan assets at fair value Defined Benefit Plan, Plan Assets, Amount Benefit obligations Defined Benefit Plan, Benefit Obligation Underfunded position Defined Benefit Plan, Funded (Unfunded) Status of Plan Fair Value Disclosures [Abstract] FAIR VALUE MEASUREMENTS AND INVESTMENTS Fair Value Disclosures [Text Block] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Assets Leased to Others Assets Leased to Others [Member] Currency [Axis] Currency [Axis] All Currencies [Domain] All Currencies [Domain] Mexico, Pesos Mexico, Pesos Variable Rate [Axis] Variable Rate [Axis] Variable Rate [Domain] Variable Rate [Domain] LIBOR London Interbank Offered Rate (LIBOR) [Member] TIIE Mexican Interbank Equilibrium Interest Rate [Member] Mexican Interbank Equilibrium Interest Rate [Member] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] International Non-US [Member] Canada CANADA Europe Europe [Member] Australia and New Zealand AUSTRALIA And NEW ZEALAND [Member] AUSTRALIA And NEW ZEALAND [Member] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Securitization facilities Securitization Program [Member] Securitization Program [Member] Fixed-term securitization offerings Fixed Term Securitization Programs [Member] Fixed Term Securitization Programs [Member] Other structured facilities Other Structured Financing Programs [Member] Other Structured Financing Programs [Member] Note payable Debt Due December 2020 [Member] Debt Due December 2020 [Member] Dell Bank Bonds Dell Bank Bonds [Member] Dell Bank Bonds [Member] Secured Debt Secured Debt [Member] Unsecured Debt Unsecured Debt [Member] Finance Leases and Revolving Loan Portfolio Segments Finance Leases and Revolving Loan Portfolio Segments [Member] Finance Leases and Revolving Loan Portfolio Segments [Member] Business customers Commercial Borrower [Member] Qualified small businesses, large commercial accounts, governmental organizations, educational entities, and certain individual consumer customers Other Borrower [Member] Other Borrower [Member] New financing originations Payments to Acquire Loans and Leases Held-for-investment Repayment term (in years) Financing Receivables, Repayment Term Financing Receivables, Repayment Term Interest income on the sales-type lease receivables Sales-type Lease, Interest Income, Lease Receivable Operating Lease, Lease Income Operating Lease, Lease Income Depreciation Depreciation Total debt capacity Line of Credit Facility, Current Borrowing Capacity Interest rate Debt Instrument, Interest Rate, Stated Percentage Aggregate principal amount Debt Instrument, Face Amount Basis spread on variable rate Debt Instrument, Basis Spread on Variable Rate Financing receivables transferred via securitization through SPEs Loans and Leases Receivable, Collateral for Secured Borrowings, Pledged in Period Loans and Leases Receivable, Collateral for Secured Borrowings, Pledged in Period Debt outstanding Long-term Debt, Gross Financing receivables sold Financing Receivable, Sale Fiscal 2020 Capital Leases, Future Minimum Payments Due, Next Twelve Months Fiscal 2021 Capital Leases, Future Minimum Payments, Receivable in Two Years Fiscal 2022 Capital Leases, Future Minimum Payments, Receivable in Three Years Fiscal 2023 Capital Leases, Future Minimum Payments, Receivable in Four Years Fiscal 2024 and beyond Capital Leases, Future Minimum Payments, Receivable In Five Years And Thereafter Capital Leases, Future Minimum Payments, Receivable In Five Years And Thereafter Debt instrument, term Debt Instrument, Term Business Combinations [Abstract] Schedule of Business Acquisitions, by Acquisition [Table] Schedule of Business Acquisitions, by Acquisition [Table] Employee Stock And Restricted Stock Employee Stock And Restricted Stock [Member] Employee Stock And Restricted Stock [Member] Carbon Black Inc. Carbon Black, Inc. [Member] Carbon Black, Inc. Avi Network Inc. Avi Network, Inc. [Member] Avi Network, Inc. [Member] CloudHealth Technologies CloudHealth Technologies [Member] CloudHealth Technologies Heptio Inc. 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] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Developed technology Technology-Based Intangible Assets [Member] Customer Contracts Customer Contracts [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Business acquisition, share price (in dollars per share) Business Acquisition, Share Price Purchase price Payments to Acquire Businesses, Net of Cash Acquired Cash acquired Cash Acquired from Acquisition Compensation expense subject to specified future employment conditions amount held by third party agent Business Combination Compensation Expense Subject To Specified Future Employment Conditions Amount Held With Third Party Paying Agent Business Combination Compensation Expense Subject To Specified Future Employment Conditions Amount Held With Third Party Paying Agent Compensation expense subject to specified future employment conditions requisite service period Business Combination Compensation Expense Subject To Specified Future Employment Conditions Requisite Service Period Business Combination Compensation Expense Subject To Specified Future Employment Conditions Requisite Service Period Fair value of outstanding share-based compensation awards Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount Pre-combination service cost amount Share Based Payment Arrangement Pre Combination Service Cost Amount Share Based Payment Arrangement Pre Combination Service Cost Amount Cost not yet recognized, amount Share-based Payment Arrangement, Nonvested Award, Option, Cost Not yet Recognized, Amount Weighted-average recognition period of options Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Business acquisition exchange of shares ratio (in shares) Business Acquisition, Exchange Of Shares Ratio Business Acquisition Exchange Of Shares Ratio Business acquisition, goodwill, expected tax deductible amount Business Acquisition, Goodwill, Expected Tax Deductible Amount Number of businesses acquired Number of Businesses Acquired Purchased intangibles Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Intangible Assets, Other than Goodwill Goodwill Goodwill Estimated useful lives of intangible assets acquired Acquired Finite-lived Intangible Assets, Weighted Average Useful Life 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 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 Commitments and Contingencies Disclosure [Abstract] COMMITMENTS AND CONTINGENCIES Commitments and Contingencies Disclosure [Text Block] INCOME AND OTHER TAXES Income Tax Disclosure [Text Block] Schedule of recognized identified assets acquired and liabilities assumed Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Finite-lived intangible assets acquired as part of business combination Finite-Lived and Indefinite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] Schedule of goodwill Schedule of Goodwill [Table Text Block] Schedule of definite-lived intangible assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of indefinite-lived intangible assets Schedule of Indefinite-Lived Intangible Assets [Table Text Block] Estimated future annual pre-tax amortization expense Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Table] Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Line Items] Financing Receivable, Allowance for Credit Loss [Roll Forward] Financing Receivable, Allowance for Credit Loss [Roll Forward] Balances at beginning of period Financing Receivable, Allowance for Credit Loss Charge-offs, net of recoveries Financing Receivable, Allowance for Credit Loss, Writeoff Provision charged to income statement Provision for Loan, Lease, and Other Losses Balances at end of period Deferred revenue: Movement in Deferred Revenue [Roll Forward] Deferred revenue at beginning of period Contract with Customer, Liability Revenue deferrals for new contracts and changes in estimates for pre-existing contracts Contract with Customer, Liability, Increase For Cash Receipts And Cumulative Catch-Up Adjustment To Revenue, Change In Estimate Of Transaction Price Contract with Customer, Liability, Increase For Cash Receipts And Cumulative Catch-Up Adjustment To Revenue, Change In Estimate Of Transaction Price Revenue recognized Contract with Customer, Liability, Revenue Recognized Other Contract with Customer, Liability, Increase (Decrease) for Contract Acquired in Business Combination Deferred revenue at end of period Short-term deferred revenue Contract with Customer, Liability, Current Long-term deferred revenue Contract with Customer, Liability, Noncurrent Statement of Comprehensive Income [Abstract] Tax expense (benefit) Other Comprehensive Income (Loss), Tax Related Party Transactions [Abstract] RELATED PARTY TRANSACTIONS Related Party Transactions Disclosure [Text Block] SUPPLEMENTAL CONSOLIDATED FINANCIAL INFORMATION Additional Financial Information Disclosure [Text Block] Effect of changes in ownership interest Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Effects of Changes, Net [Table Text Block] Deferred compensation plan assets Deferred Compensation Plan Assets Carrying Value Equity Securities without Readily Determinable Fair Value, Amount Equity securities, upward price adjustment Equity Securities without Readily Determinable Fair Value, Upward Price Adjustment, Annual Amount Equity securities, downward price adjustment Equity Securities without Readily Determinable Fair Value, Downward Price Adjustment, Annual Amount Cash proceeds Proceeds from Issuance of Common Stock Class A common shares purchased (in shares) Stock Issued During Period, Shares, New Issues Weighted-average price per share (in dollars per share) Lessee, Operating Lease, Liability, Payment, Due [Abstract] Lessee, Operating Lease, Liability, Payment, Due [Abstract] Fiscal 2021 Lessee, Operating Lease, Liability, Payments, Due Next Twelve Months Fiscal 2022 Lessee, Operating Lease, Liability, Payments, Due Year Two Fiscal 2023 Lessee, Operating Lease, Liability, Payments, Due Year Three Fiscal 2024 Lessee, Operating Lease, Liability, Payments, Due Year Four Fiscal 2025 Lessee, Operating Lease, Liability, Payments, Due Year Five Thereafter Lessee, Operating Lease, Liability, Payments, Due after Year Five Total lease payments Lessee, Operating Lease, Liability, Payments, Due Less: Imputed interest Lessee, Operating Lease, Liability, Undiscounted Excess Amount Total operating lease liabilities Debt Disclosure [Abstract] DEBT Debt Disclosure [Text Block] Fiscal 2021 Lessor, Operating Lease, Payments to be Received, Next Twelve Months Fiscal 2022 Lessor, Operating Lease, Payments to be Received, Two Years Fiscal 2023 Lessor, Operating Lease, Payments to be Received, Three Years Fiscal 2024 Lessor, Operating Lease, Payments to be Received, Four Years Fiscal 2025 and beyond Lessor, Operating Lease, Payments To Be Received, Five Years And Thereafter Lessor, Operating Lease, Payments To Be Received, Five Years And Thereafter Total Lessor, Operating Lease, Payments to be Received Hierarchy for assets and liabilities measured at fair value on a recurring basis Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] Carrying value and estimated fair value of outstanding debt Schedule of Carrying Values and Estimated Fair Values of Debt Instruments [Table Text Block] Investments Investment [Table Text Block] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event Subsequent Event [Member] Reporting Unit [Axis] Reporting Unit [Axis] Reporting Unit [Domain] Reporting Unit [Domain] Virtustream Virtustream [Member] Virtustream [Member] RSA Security RSA Security [Member] RSA Security [Member] Other Businesses Percentage of fair value over carrying amount Reporting Unit, Percentage of Fair Value in Excess of Carrying Amount Cash transaction Proceeds from Divestiture of Businesses Cash transaction Sale of Stock, Consideration Received on Transaction Goodwill impaired Goodwill, Impairment Loss Impairments Asset Impairment Charges Asset impairment charges net of tax Asset Impairment Charges, Net Of Tax Asset Impairment Charges Net Of Tax Effective income tax rate Reduction of intangible assets Impairment of Intangible Assets, Finite-lived Less: accumulated depreciation Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Financial assets Offsetting Derivative Assets [Abstract] Gross Amounts of Recognized Assets/ (Liabilities) Derivative Asset, Fair Value, Gross Asset Gross Amounts Offset in the Statement of Financial Position Derivative Asset, Fair Value, Gross Liability Net Amounts of Assets/ (Liabilities) Presented in the Statement of Financial Position Derivative Asset Financial Instruments Derivative, Collateral, Obligation to Return Securities Cash Collateral Received or Pledged Derivative, Collateral, Obligation to Return Cash Net Amount Derivative Asset, Fair Value, Amount Offset Against Collateral Financial liabilities Offsetting Derivative Liabilities [Abstract] Gross Amounts of Recognized Assets/ (Liabilities) Derivative Liability, Fair Value, Gross Liability Gross Amounts Offset in the Statement of Financial Position Derivative Liability, Fair Value, Gross Asset Net Amounts of Assets/ (Liabilities) Presented in the Statement of Financial Position Derivative Liability Financial Instruments Derivative, Collateral, Right to Reclaim Securities Cash Collateral Received or Pledged Derivative, Collateral, Right to Reclaim Cash Net Amount Derivative Liability, Fair Value, Amount Offset Against Collateral Total derivative instruments Offsetting Derivative Assets (Liabilities) [Abstract] Offsetting Derivative Assets (Liabilities) [Abstract] Gross Amounts of Recognized Assets/ (Liabilities) Derivative Asset (Liability), Fair Value, Gross Asset Derivative Asset (Liability), Fair Value, Gross Asset Gross Amounts Offset in the Statement of Financial Position Derivative Asset (Liability), Fair Value, Gross Liability Derivative Asset (Liability), Fair Value, Gross Liability Net Amounts of Assets/ (Liabilities) Presented in the Statement of Financial Position Derivative Assets (Liabilities), at Fair Value, Net Financial Instruments Derivative, Collateral, Obligation To Return (Right To Reclaim) Securities Derivative, Collateral, Obligation To Return (Right To Reclaim) Securities Cash Collateral Received or Pledged Derivative, Collateral, Obligation To Return (Right To Reclaim) Cash Derivative, Collateral, Obligation To Return (Right To Reclaim) Cash Net Amount Derivative, Fair Value, Amount Offset Against Collateral, Net Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Severance liability at beginning of period Restructuring Reserve Severance charges to provision Restructuring Costs Cash paid and other Payments for Restructuring Severance liability at end of period Inventory, Current [Table] Inventory, Current [Table] Computer equipment Computer Equipment [Member] Land and buildings Land and Building [Member] Machinery and other equipment Other Machinery and Equipment [Member] Inventory [Line Items] Inventory [Line Items] Cash, cash equivalents, and restricted cash: Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents [Abstract] Cash and cash equivalents Cash and Cash Equivalents, at Carrying Value Restricted cash - current assets Restricted Cash, Current Restricted cash - other non-current assets Restricted Cash, Noncurrent Total cash, cash equivalents, and restricted cash Cash and Cash Equivalents, at Carrying Value, Including Discontinued Operations Accounts receivable, net: Accounts Receivable, after Allowance for Credit Loss [Abstract] Gross accounts receivable Accounts Receivable, before Allowance for Credit Loss, Current Allowance for doubtful accounts Accounts Receivable, Allowance for Credit Loss, Current Total accounts receivable, net Accounts Receivable, after Allowance for Credit Loss, Current Inventories, net: Inventory, Net [Abstract] Production materials Inventory, Raw Materials and Supplies, Net of Reserves Work-in-process Inventory, Work in Process, Net of Reserves Finished goods Inventory, Finished Goods, Net of Reserves Total inventories, net Inventory, Net Prepaid expenses: Prepaid Expense and Other Assets [Abstract] Total prepaid expenses Prepaid Expense, Current Property, plant, and equipment, net: Property, Plant and Equipment [Abstract] Total property, plant, and equipment Property, Plant and Equipment, Gross Accumulated depreciation and amortization Total property, plant, and equipment, net Property, Plant and Equipment, Net Other non-current assets: Other Assets [Abstract] Deferred and other tax assets Deferred Tax Assets And Other Deferred Tax Assets And Other Deferred Commissions Contract with Customer, Asset, Net, Noncurrent Other Other Assets, Miscellaneous, Noncurrent Total other non-current assets Other Assets, Noncurrent Retired property, plant and equipment Property, Plant and Equipment, Disposals Accrued and other current liabilities: Accrued Liabilities and Other Liabilities [Abstract] Compensation Employee-related Liabilities, Current Income and other taxes Taxes Payable, Current Sales and marketing programs Accrued Marketing Costs, Current Warranty liability Other Other Sundry Liabilities, Current Total accrued and other current liabilities Accrued Liabilities, Current Other non-current liabilities: Other Liabilities, Noncurrent [Abstract] Deferred and other tax liabilities Deferred Income Tax Liabilities, Net Warranty liability Other Other Sundry Liabilities, Noncurrent Total other non-current liabilities Other Liabilities, Noncurrent Qualitative and Quantitative Information, Transferor's Continuing Involvement [Table] Qualitative and Quantitative Information, Transferor's Continuing Involvement [Table] DFS Debt Structured Financing Debt [Member] Structured Financing Debt [Member] Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items] Qualitative and Quantitative Information, Transferor's Continuing Involvement [Line Items] Total debt, carrying value Long-term Debt Total debt, principal amount Short-term debt Debt, Current Long-term debt Long-term Debt, Excluding Current Maturities Operating expenses Operating Expense [Member] Stock-based compensation expense before taxes Income tax benefit Share-based Payment Arrangement, Expense, Tax Benefit Stock-based compensation expense, net of income taxes Share-based Payment Arrangement, Expense, after Tax ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) Comprehensive Income (Loss) Note [Text Block] Changes in accumulated other comprehensive income (loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Reclassifications out of accumulated other comprehensive income (loss) Reclassification out of Accumulated Other Comprehensive Income [Table Text Block] Statement of Stockholders' Equity [Abstract] Statement [Table] Statement [Table] Common Stock and Capital in Excess of Par Value Common Stock Including Additional Paid in Capital [Member] Treasury Stock Treasury Stock [Member] Accumulated Deficit Retained Earnings [Member] Accumulated Other Comprehensive Income/(Loss) Dell Technologies Stockholders' Equity Parent [Member] Non-Controlling Interests Noncontrolling Interest [Member] DHI Group DHI Group [Member] DHI Group [Member] Statement [Line Items] Statement [Line Items] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance, beginning of period (in shares) Shares, Issued Net income (loss) Foreign currency translation adjustments Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Investments, net change Other Comprehensive Income (Loss), Securities, Available-for-sale, Adjustment, after Tax Cash flow hedges, net change Other Comprehensive Income (Loss), Derivatives Qualifying as Hedges, Net of Tax Cash flow hedges, net change Other Comprehensive Income (Loss), Cash Flow Hedge, Gain (Loss), after Reclassification and Tax Pension and other post-retirement Other Comprehensive (Income) Loss, Defined Benefit Plan, after Reclassification Adjustment, after Tax Issuance of common stock (in shares) Issuance of common stock Stock Issued During Period, Value, New Issues Stock-based compensation expense APIC, Share-based Payment Arrangement, Increase for Cost Recognition Treasury stock repurchases (in shares) Treasury stock repurchases Revaluation of redeemable shares Reclassifications Of Permanent To Temporary Equity Reclassifications of Permanent to Temporary Equity Repurchase of Class V Common Stock (in shares) Repurchase of Class V Common Stock Stock Repurchased During Period, Value Impact from equity transactions of non-controlling interests Noncontrolling Interest, Decrease from Redemptions or Purchase of Interests Balance, end of period (in shares) Subsequent Events [Abstract] SUBSEQUENT EVENTS Subsequent Events [Text Block] Condensed Income Statement [Table] Condensed Income Statement [Table] Condensed Income Statements, Captions [Line Items] Condensed Income Statements, Captions [Line Items] Assets Assets [Abstract] Other non-current assets Total assets Assets Liabilities: Liabilities [Abstract] Guarantees of subsidiary obligations Guarantees Of Subsidiary Obligations Guarantees Of Subsidiary Obligations Total liabilities Liabilities Redeemable shares Temporary Equity, Carrying Amount, Attributable to Parent Stockholders’ equity (deficit): Stockholders' Equity Attributable to Parent [Abstract] Common stock and capital in excess of $0.01 par value (Note 14) Common Stocks, Including Additional Paid in Capital Treasury stock at cost Treasury Stock, Value Accumulated deficit Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Total Dell Technologies Inc. stockholders’ deficit Stockholders' Equity Attributable to Parent Total liabilities, redeemable shares, and stockholders’ equity (deficit) Liabilities and Equity CONDENSED FINANCIAL INORMATION OF PARENT COMPANY Condensed Financial Information of Parent Company Only Disclosure [Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] 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 Margin Loan Facility Issued 2017 Due April 2022 [Member] Margin Loan Facility Issued 2017 Due April 2022 [Member] Other Other Debt [Member] Other Debt [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Total maturities, principal amount Maturities of Long-term Debt [Abstract] 2021 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 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 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credit facility Proceeds from Issuance of Long-term Debt Available borrowing capacity Line of Credit Facility, Remaining Borrowing Capacity Annual principal amortization Line of Credit Facility, Periodic Payment, Principal, Percent of Original Principal Balance Line of Credit Facility, Periodic Payment, Principal, Percent of Original Principal Balance Debt instrument, collateral, percent of capital stock of borrowers Debt Instrument, Collateral, Percent of Capital Stock Debt Instrument, Collateral, Percent of Capital Stock Debt, stated amount Debt, maximum period for registration Debt Instrument, Maximum Period for Registration Debt Instrument, Maximum Period for Registration Proceeds from lines of credit Proceeds from Lines of Credit Repayments of lines of credit Repayments of Lines of Credit Total debt, principal amount Number of extension periods Debt Instrument, Term, Number of Extension Periods Debt Instrument, Term, Number of Extension Periods Conditional extension period Debt 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[Member] SecureWorks Corp. 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from acquisitions and dispositions: Increase (Decrease) in Operating Capital [Abstract] Accounts receivable Increase (Decrease) in Accounts Receivable Financing receivables Increase (Decrease) in Finance Receivables Inventories Increase (Decrease) in Inventories Other assets Increase (Decrease) in Other Operating Assets Accounts payable Increase (Decrease) in Accounts Payable Deferred revenue Increase (Decrease) in Contract with Customer, Liability Accrued and other liabilities Increase (Decrease) in Accrued Liabilities Change in cash from operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Investments: Payments for (Proceeds from) Investments [Abstract] Purchases Payments to Acquire Investments Maturities and sales Proceeds from Sale, Maturity and Collection of Investments Capital expenditures Payments to Acquire Property, Plant, and Equipment Capitalized software development costs Payments For Capitalized Software Sold To Customers Payments for Capitalized Software Sold to Customers Acquisition of businesses, net Divestitures of businesses, net Proceeds from Divestiture of Businesses, Net of Cash Divested Asset acquisitions, net Payments to Acquire Other Property, Plant, and Equipment Asset dispositions, net Payments For Disposition Of Property, Plant, and Equipment Payments For Disposition Of Property, Plant, and Equipment Other Payments for (Proceeds from) Other Investing Activities Change in cash from investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Share repurchases for tax withholdings of equity awards Payment, Tax Withholding, Share-based Payment Arrangement Dividends paid to VMware, Inc.’s public stockholders Payments of Dividends Proceeds from the issuance of common stock Proceeds from Issuance of Common Stock of Subsidiary Proceeds from Issuance of Common Stock of Subsidiary Repurchases of Class V Common Stock Payments for Repurchase of Common Stock Repurchases of common stock of subsidiaries Payments to Noncontrolling Interests Proceeds from debt Repayments of 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 Denali Holding Inc. 2013 Stock Incentive Plan Denali Holding Inc. 2013 Stock Incentive Plan [Member] Denali Holding Inc. 2013 Stock Incentive Plan [Member] Dell Technologies Inc. and Denali Holding Inc. 2013 Stock Incentive Plans Dell Technologies Inc. and Denali Holding Inc. 2013 Stock Incentive Plans [Member] Dell Technologies Inc. and Denali Holding Inc. 2013 Stock Incentive Plans [Member] Performance-based Restricted Stock Units Performance-based Restricted Stock Units [Member] Performance-based Restricted Stock Units [Member] Vesting [Axis] Vesting [Axis] Vesting [Domain] Vesting [Domain] Share-based Compensation Award, Tranche One Share-based Payment Arrangement, Tranche One [Member] Number of shares authorized (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized Number of shares converted (in shares) Conversion of Stock, Shares Converted Additional shares authorized for issuance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Additional Shares Authorized Shares available for future grants (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Award vesting period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Total fair value of options vested Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value Performance share awards (in shares) Intrinsic value of options exercised Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Proceeds from stock options exercised Proceeds from Stock Options Exercised Total unrecognized stock-based compensation expense Performance-based shares granted (in shares) Tax benefit realized from exercise of stock options Share-based Payment Arrangement, Exercise of Option, Tax Benefit Rollover option expiration period Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period Weighted average exercise price (in dollars per share) Shares converted (per share) Common Stock, Shares Converted, Per Share Common Stock, Shares Converted, Per Share Granted options (in shares) Vesting percentage Share-based Compensation Arrangement By Share-based Payment Award, Award Vesting Rights, Performance Target, Percentage Share-based Compensation Arrangement By Share-based Payment Award, Award Vesting Rights, Performance Target, Percentage Weighted-average leverage adjusted period Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted-average Leverage Adjustment Period Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Weighted-average Leverage Adjustment Period Fair value of restricted stock Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Intrinsic value of restricted stock Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Aggregate Intrinsic Value, Vested Aggregate intrinsic value Unrecognized stock-based compensation expense Share-based Payment Arrangement, Nonvested Award, Excluding Option, Cost Not yet Recognized, Amount Shares withheld for taxes (in shares) Share-based Payment Arrangement, Shares Withheld for Tax Withholding Obligation Shares paid for tax obligations Shares Paid for Tax Withholding for Share Based Compensation, Value Shares Paid for Tax Withholding for Share Based Compensation, Value Number of shares assumed (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Assumed Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Assumed Award vesting rights percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Stock conversion ratio Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Shares Issued Ratio Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Shares Issued Ratio Purchase price, percentage of per share fair market value of stock Share-based Compensation Arrangement by Share-based Payment Award, Purchase Price of Common Stock, Percent Shares reserved for issuance (in shares) Common Stock, Capital Shares Reserved for Future Issuance Number of embedded option periods Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period, Number of Option Periods Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period, Number of Option Periods Option period Share-based Compensation Arrangement by Share-based Payment Award, Additional Option Period Share-based Compensation Arrangement by Share-based Payment Award, Additional Option Period Dividend yield input Accrued and other Conditional one-time special cash dividend Dividends paid per share of common stock (in dollars per share) Common Stock, Dividends, Per Share, Cash Paid Nonvested restricted shares outstanding (in shares) REITREMENT PLAN BENEFITS Pension and Other Postretirement Benefits Disclosure [Text Block] BASIS OF PRESENTATION Basis of Accounting [Text Block] Computation of basic and diluted earnings (loss) per share and reconciliation to consolidated net income (loss) Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Reconciliation of revenue from segments to consolidated Reconciliation of Revenue from Segments to Consolidated [Table Text Block] 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 and accumulated deficit 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 to non-controlling interests Consolidation, Less than Wholly Owned Subsidiary, Parent Ownership Interest, Changes, Net Change from net income attributable to Dell Technologies Inc. and transfers to 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 LEASES Lessee, Operating Leases [Text Block] Changes in deferred revenue Contract with Customer, Asset and Liability [Table Text Block] Other comprehensive income 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Net change in actuarial net gains (losses) from pension and other postretirement plans Comprehensive income (loss), net of tax Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Less: Net income (loss) attributable to non-controlling interests Net Income (Loss) Attributable to Noncontrolling Interest Less: Other comprehensive income (loss) attributable to non-controlling interests Net income (loss) Less: Net income (loss) attributable to non-controlling interests Quarterly financial information Quarterly Financial Information [Table Text Block] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets [Axis] Indefinite-lived Intangible Assets, Major Class Name [Domain] Indefinite-lived Intangible Assets, Major Class Name [Domain] Trade names Trade Names [Member] Customer relationships Customer Relationships [Member] Leasehold assets (liabilities) Lease Agreements [Member] Gross Finite-Lived Intangible Assets, Gross 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Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Intangible assets Other acquired assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Total assets acquired Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Deferred revenue Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue Other assumed liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other Total liabilities assumed Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Fair value of assets acquired and liabilities assumed Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Disaggregation of revenue Disaggregation of Revenue [Table 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