Comprehensive Income [Abstract]
Comprehensive Income [Abstract]
Components Of Comprehensive Income
Schedule of Comprehensive Income (Loss) [Table Text Block]
Quarterly Financial Information Disclosure [Abstract]
Revenues
Revenues
Net income
Net Income (Loss) Attributable to Parent
Net income per share, basic
Earnings Per Share, Basic
Net income per share, diluted
Earnings Per Share, Diluted
Deferred Revenue Disclosure [Abstract]
Unearned Revenue
Deferred Revenue Disclosure [Text Block]
Segment Information [Abstract]
Segment Information [Abstract]
Schedule of Segment Reporting Information, by Segment [Table]
Schedule of Segment Reporting Information, by Segment [Table]
Concentration Risk by Benchmark [Axis]
Concentration Risk Benchmark [Domain]
Sales [Member]
Sales [Member]
Sales Revenue Goods and Services, Net [Member]
Sales Revenue Goods and Services, Net [Member]
Concentration Risk by Type [Axis]
Concentration Risk Type [Domain]
Customer Concentration Risk [Member]
Statement, Geographical [Axis]
Statement, Geographical [Axis]
Segment, Geographical [Domain]
Segment, Geographical [Domain]
United States [Member]
UNITED STATES
International [Member]
Foreign Country [Member]
Statement [Line Items]
Statement [Line Items]
Number Of Reportable Segments
Number Of Reportable Segments
Number of reportable segments.
Number of countries accounted for material revenues
Number of Countries Accounted for Material Revenues
Number of Countries Accounted for Material Revenues
Concentration Risk, Number of Customers
Concentration Risk Number of Customers
Concentration Risk Number of Customers
Deferred Revenue Arrangement, by Type [Table]
Deferred Revenue Arrangement, by Type [Table]
Deferred Revenue Arrangement Type [Axis]
Deferred Revenue Arrangement Type [Axis]
Deferred Revenue Arrangement Type [Domain]
Deferred Revenue Arrangement Type [Domain]
Unearned license revenues [Member]
Software License Arrangement [Member]
Unearned software maintenance revenues [Member]
Software Service, Support and Maintenance Arrangement [Member]
Unearned professional services revenues [Member]
professionalservices [Member]
professionalservices [Member]
Deferred Revenue Arrangement [Line Items]
Deferred Revenue Arrangement [Line Items]
Unearned revenue
Deferred Revenue
Revenue Recognition, Maintenance Contract Agreements, Contractual Term, Minimum
Revenue Recognition, Maintenance Contract Agreements, Contractual Term, Minimum
Revenue Recognition, Maintenance Contract Agreements, Contractual Term, Maximum
Revenue Recognition, Maintenance Contract Agreements, Contractual Term, Maximum
Revenue Recognition, Maintenance Contract Agreements, Weighted Average Remaining Term
Revenue Recognition, Maintenance Contract Agreements, Weighted Average Remaining Term
Revenue Recognition, Maintenance Contract Agreements, Weighted Average Remaining Term
Comprehensive Income
Comprehensive Income (Loss) Note [Text Block]
Stockholders' Equity Note [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]
Class of Stock [Axis]
Class of Stock [Axis]
Class of Stock [Domain]
Class of Stock [Domain]
Class A Common Stock [Member]
Common Class A [Member]
Related Party Transactions, by Related Party [Axis]
Related Party [Domain]
Affiliated Entity [Member]
EMC [Member]
Majority Shareholder [Member]
Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Award Type and Plan Name [Axis]
Schedule of Share-based Compensation Arrangement by Share-based Payment Award, Award Type and Plan Name [Axis]
Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name [Domain]
Share-based Compensation Arrangements by Share-based Payment Award, Award Type and Plan Name [Domain]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Outstanding, Number of Shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number
Outstanding, Weighted Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price
Options relating to employees transferred from EMC, shares
Options relating to employees transferred from Related Party, shares
Options relating to employees transferred from Related Party, shares
Options relating to employee transfers from EMC, weighted average price
Options relating to employee transfers from Related Party, weighted average price
Options relating to employee transfers from Related Party, weighted average price
Granted, Number of Shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross
Granted, Weighted Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Forfeited, Number of Shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period
Forfeited, Weighted Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price
Expired, Number of Shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period
Expired, Weighted Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price
Exercised, Number of Shares
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period
Exercised, Weighted Average Exercise Price
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price
Outstanding, Number of Shares
Outstanding, Weighted Average Exercise Price
Exercisable, Number of Shares, December 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Exercisable, Weighted Average Exercise Price, December 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Exercise Price
Vested and expected to vest, Number of Shares, December 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Vested and expected to vest, Weighted Average Exercise Price, December 31, 2011
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price
Segment Information
Segment Reporting Disclosure [Text Block]
Business Combinations [Abstract]
Schedule of Finite-Lived Intangible Assets by Major Class [Table]
Schedule of Finite-Lived Intangible Assets by Major Class [Table]
Leasehold Interest, classification [Axis]
Leasehold Interest, classification [Axis]
Leasehold Interest, classification [Axis]
Leasehold Interest, Classification [Domain]
Leasehold Interest, Classification [Domain]
Leasehold Interest, Classification [Domain]
Long-term Portion [Member]
Long-term Portion [Member]
Long-term Portion [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]
Lease Agreements [Member]
Lease Agreements [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets [Line Items]
Finite-lived Intangible Assets [Roll Forward]
Finite-lived Intangible Assets [Roll Forward]
Balance, beginning of the year
Finite-Lived Intangible Assets, Net
Additions to intangible assets related to business combinations and asset purchases
Finite-lived Intangible Assets Acquired, Related to Business Combinations and Asset Purchases
Finite-lived Intangible Assets Acquired, Related to Business Combinations and Asset Purchases
Purchase of leasehold interest (see Note G)
Finite-lived Intangible Assets Acquired, Leasehold Interest
Finite-lived Intangible Assets Acquired, Leasehold Interest
Change in accumulated amortization
Amortization of Intangible Assets
Balance, end of the year
Indefinite-lived Intangible Assets by Major Class [Axis]
Indefinite-lived Intangible Assets by Major Class [Axis]
Indefinite-lived Intangible Assets, Major Class Name [Domain]
Indefinite-lived Intangible Assets, Major Class Name [Domain]
Customer Relationships [Member]
Customer Relationships [Member]
Trademarks and Trade Names [Member]
Trademarks and Trade Names [Member]
Trademarks and Trade Names [Member]
Purchased Technology [Member]
Developed Technology Rights [Member]
Other Intangible Assets [Member]
Other Intangible Assets [Member]
Leasehold interest [Member]
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life
Acquired Finite-lived Intangible Asset, Weighted Average Useful Life
Finite-Lived Intangible Assets, Gross
Finite-Lived Intangible Assets, Gross
Finite-Lived Intangible Assets, Accumulated Amortization
Finite-Lived Intangible Assets, Accumulated Amortization
Finite-Lived Intangible Assets, Net Book Value
Related Party Transaction, Due from (to) Related Party [Abstract]
Schedule of Related Party Payments Under the Tax Sharing Agreement
Schedule of Related Party Payments Under the Tax Sharing Agreement [Table Text Block]
Schedule of Related Party Payments Under the Tax Sharing Agreement [Table Text Block]
Restricted Stock [Member]
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested [Roll Forward]
Outstanding, Weighted-Average Grant Date Fair Value (per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value
Outstanding, Number of Shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number
Granted, Weighted-Average Grant Date Fair Value (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
Granted, Number of Shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period
Vested, Weighted-Average Grant Date Fair Value (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
Vested, Number of Shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period
Forfeited, Weighted-Average Grant Date Fair Value (per share)
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period, Weighted Average Grant Date Fair Value
Forfeited, Number of Shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period
Outstanding, Weighted-Average Grant Date Fair Value (per share)
Outstanding, Number of Shares
Property, Plant and Equipment [Abstract]
Property And Equipment, Net
Property, Plant and Equipment Disclosure [Text Block]
Property, Plant and Equipment by Type [Axis]
Property, Plant and Equipment by Type [Axis]
Property, Plant and Equipment, Type [Domain]
Property, Plant and Equipment, Type [Domain]
Software and Software Development Costs [Member]
Software and Software Development Costs [Member]
Range [Axis]
Range [Domain]
Minimum [Member]
Maximum [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Axis]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain]
Fair market value of the stock at the time of grant [Member]
Fair market value of the stock at the time of grant [Member]
Fair value of the stock at the time of exercise [Member]
Fair value of the stock at the time of exercise [Member]
Class B Common Stock [Member]
Common Class B [Member]
Stock Repurchase Program [Member]
Repurchase of Equity [Member]
Employee Stock [Member]
Employee Stock [Member]
Stock Repurchase For Tax Withholding [Member]
Stock Repurchase For Tax Withholding Member
Stock Repurchase for Tax Withholding [Member]
Stock Options [Member]
March 2010 Stock Repurchase Program [Member]
March 2010 Stock Repurchase Program [Member]
February 2011 Stock Repurchase Program [Member]
February 2011 Stock Repurchase Program [Member]
Minimum Percentage of Total Outstanding Common Stock Owned Required Before Automatic Conversion
Minimum Percentage of Total Outstanding Common Stock Owned Required Before Automatic Conversion
Minimum Percentage of Total Outstanding Common Stock Owned Required Before Automatic Conversion
Common Stock Voting Rights, per Share
Common Stock Voting Rights, per Share
Common Stock Voting Rights, per Share
Common Stock, Voting Rights
Common Stock, Voting Rights
Share-based Compensation Arrangement by Share-based Payment Award, Other Share Increase (Decrease)
Share-based Compensation Arrangement by Share-based Payment Award, Increase to Number of Shares Authorized
Share-based Compensation Arrangement by Share-based Payment Award, Increase to Number of Shares Authorized
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized
Share-based Compensation, Shares Authorized under Stock Option Plans, Minimum Fair Value as a Percent of Grant Date
Share-based Compensation Arrangement by Share-based Payment Award, Options, Minimum Exercise Price as a Percentage of Fair Value on Grant Date
Share-based Compensation Arrangement by Share-based Payment Award, Options, Minimum Exercise Price as a Percentage of Fair Value on Grant Date
Share Based Compensation Arrangement By Share Based Payment Award, Award Annual Vesting Percentage
Share-based Compensation Arrangement by Share-based Payment Award, Options, Award Annual Vesting Percentage
Share-based Compensation Arrangement by Share-based Payment Award, Options, Award Annual Vesting Percentage
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period After the First Year
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period After the First Year
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period After the First Year
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Date
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period, Minimum
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period, Minimum
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period, Maximum
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period, Maximum
Authorized repurchase of common stock
Stock Repurchase Program, Authorized Amount
Stock repurchased and retired during period, shares
Stock Repurchased and Retired During Period, Shares
Weighted-average price for shares repurchased and retired, per share
Treasury Stock Acquired, Average Cost Per Share
Stock repurchased and retired during period, value
Stock Repurchased and Retired During Period, Value
Share-based Compensation Arrangements by Share based Payment Award, Fair Market Value at Grant Purchase Price Percentage
Share-based Compensation Arrangement by Share based Payment Award, Fair Market Value at Grant Purchase Price, Percentage
Share-based Compensation Arrangement by Share based Payment Award, Fair Market Value at Grant Purchase Price, Percentage
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Remaining Contractual Term
Share-based Compensation Arrangement by Share based Payment Award, Fair Market Value at Grant Exercise Price, Percentage
Share-based Compensation Arrangement by Share based Payment Award, Fair Market Value at Grant Exercise Price, Percentage
Tax withholdings obligations
Other Employee Related Liabilities, Current
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercisable, Number
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, 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
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value
Stock Closing Price, Related Party Stock, Per Share
Stock Closing Price, Related Party Stock, Per Share
Stock Closing Price, Related Party Stock, Per Share
Stock Closing Price, Per Share
Stock Closing Price, Per Share
Stock Closing Price, Per Share
Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options
Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Total Intrinsic Value
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options
Employee Service Share-based Compensation, Tax Benefit Realized from Exercise of Stock Options
Restricted stock-based awards, vested
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Total Fair Value
Restricted stock unit awards and other restricted stock
Share-based compensation arrangement by share-based payment award, options, vested and expected to vest, exercisable, aggregate intrinsic value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Aggregate Intrinsic Value
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Outstanding, Aggregate Intrinsic Value
Capitalized costs included in stock-based compensation
Capitalized Computer Software Share Based Compensation
Capitalized computer software share based compensation.
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized
Employee Service Share-based Compensation, Cash Proceeds from Exercise of Stock Options Paid to Related Party
Employee Service Share-based Compensation, Cash Proceeds from Exercise of Stock Options Paid to Related Party
Employee Service Share-based Compensation, Cash Proceeds from Exercise of Stock Options Paid to Related Party
Schedule of Related Party Transactions, by Related Party [Table]
Schedule of Related Party Transactions, by Related Party [Table]
Related Party Transactions, by Related Party [Axis]
Related Party [Domain]
Related Party Transaction [Line Items]
Related Party Transaction [Line Items]
Payments from VMware to EMC
Payment of Income Tax to Related Party
Payment of Income Tax to Related Party
Payments from EMC to VMware
Receipt Of Income Tax From Related Party
Receipt of income tax from related party.
Business Acquisition [Axis]
Business Acquisition, Acquiree [Domain]
Mozy [Member]
Mozy [Member]
Mozy [Member]
Ionix [Member]
Ionix [Member]
Products and Services [Axis]
Products and Services [Axis]
Products and Services [Domain]
Products and Services [Domain]
Cost Reimbursement from Related Party Pursuant to Support Agreement [Member]
Cost Reimbursement from Related Party Pursuant to Support Agreement [Member]
Cost Reimbursement from Related Party Pursuant to Support Agreement [Member]
Product Sold Pursuant To Reseller Arrangement [Member]
Product Sold Pursuant To Reseller Arrangement Member
Product Sold Pursuant to Reseller Arrangement [Member]
Professional Service [Member]
Professional Service [Member]
Professional Service [Member]
Server And Desktop Products And Services [Member]
Server And Desktop Product And Service Member
Server and Desktop Product and Service [Member]
Storage Systems And Software [Member]
Storage System And Software [Member]
Storage System and Software [Member]
Support Services [Member]
Support Services [Member]
Support Services [Member]
Cisco [Member]
Cisco [Member]
Cisco [Member]
Business Acquisition, Purchase Price Allocation, Assets Acquired
Business Acquisition, Purchase Price Allocation, Assets Acquired
Number of employees obtained from acquisition
Number Of Employees Obtained From Acquisition
Number of employees obtained from acquisition.
Related Party Transaction, Amounts of Transaction
Related Party Transaction, Amounts of Transaction
Markup on costs incurred to support Mozy Services
Related Party Transaction, Markup on Costs Incurred to Support Services
Related Party Transaction, Markup on Costs Incurred to Support Services
Cash consideration for acquisition of software product technology
Transfer of net assets under common control
Transfer Of Net Assets Under Common Control
Contingent obligations paid
Business Acquisition Contingent Consideration Payment
Business acquisition contingent consideration payment
Revenue from related party transaction
Related Party Transaction, Revenues from Transactions with Related Party
Cost of purchase
Related Party Costs
Related Party Tax Sharing Agreement, Increase (Decrease) in Shareholders' Equity
Related Party Tax Sharing Agreement, Increase (Decrease) in Shareholders' Equity
Related Party Tax Sharing Agreement, Increase (Decrease) in Shareholders' Equity
Interest expense with EMC, net
Interest Expense, Debt
Due from related party
Due from Related Parties
Due to related party
Due to Related Parties
Due from related party net
Related Party Transaction, Due from (to) Related Party
Due from EMC, net
Due from Related Parties, Current
Related Party Tax Expense, Due to Affiliates, Current
Related Party Tax Expense, Due to Affiliates, Current
Income tax receivable due from related party
Related Party Tax Expense, Due from Affiliates, Current
Related Party Transaction Other Than Tax Obligation Due To Or From Related Cash Settlement Period
Related Party Transaction Other Than Tax Obligation Due To Or From Related Cash Settlement Period
Related Party Transaction Other Than Tax Obligation Due To Or From Related Cash Settlement Period
Common stock, shares outstanding
Common Stock, Shares, Outstanding
Equity Method Investment, Ownership Percentage
Equity Method Investment, Ownership Percentage
Related Party Transaction, Expenses from Transactions with Related Party
Related Party Transaction, Expenses from Transactions with Related Party
Components Of Property And Equipment
Property, Plant and Equipment [Table Text Block]
Revenue from External Customers by Products and Services [Table]
Revenue from External Customers by Products and Services [Table]
Cloud infrastructure and management [Member]
Cloud infrastructure and management [Member]
Other products [Member]
Other products [Member]
Revenue from External Customer [Line Items]
Revenue from External Customer [Line Items]
Licenses Revenue
Licenses Revenue
Services revenue
Sales Revenue, Services, Net
Derivative Instruments and Hedging Activities Disclosure [Abstract]
Fair Values Derivatives, Balance Sheet Location, by Derivative Contract Type [Table]
Derivative Instrument Risk [Axis]
Derivative Contract Type [Domain]
Foreign Exchange Forward [Member]
Derivatives, Fair Value [Line Items]
Maturity of Foreign Currency Derivatives (in months)
Maximum Length of Time Hedged in Price Risk Cash Flow Hedge
Notional Amount of Foreign Currency Cash Flow Hedge Derivatives
Notional Amount of Foreign Currency Cash Flow Hedge Derivatives
Contractual Term (in months)
Maturity of Foreign Currency Derivatives
Notional Amount of Foreign Currency Derivatives
Notional Amount of Foreign Currency Derivatives
Accrued Liabilities [Abstract]
Salaries, commissions, bonuses and benefits
Employee-related Liabilities, Current
Accrued partner liabilities
Accrued Partner Liabilities Current
Accrued partner liabilities current.
Other
Other Accrued Liabilities, Current
Total
Accrued Liabilities, Current
Goodwill [Roll Forward]
Balance, beginning of the year
Goodwill
Increase in goodwill related to business combinations
Goodwill, Acquired During Period
Deferred tax adjustments to purchase price allocations on previous acquisitions
Goodwill, Subsequent Recognition of Deferred Tax Asset
Other adjustments to purchase price allocations on previous acquisitions
Goodwill, Allocation Adjustment
Balance, end of the year
2012
Future Amortization Expense, Year One
2013
Future Amortization Expense, Year Two
2014
Future Amortization Expense, Year Three
2015
Future Amortization Expense, Year Four
2016
Future Amortization Expense, Year Five
Thereafter
Future Amortization Expense, after Year Five
Total
Finite-Lived Intangible Assets, Future Amortization Expense
Statement [Table]
Statement [Table]
Land, Buildings and Improvements [Member]
Land, Buildings and Improvements [Member]
Legal Entity [Axis]
Legal Entity [Axis]
Entity [Domain]
Entity [Domain]
Palo Alto Lease [Member]
Palo Alto Lease Member
Palo Alto Lease [Member]
Depreciation expense
Depreciation
Agreement to purchase ground lease
Agreements To Purchase Ground Lease
Agreements To Purchase Ground Lease
Finite-lived Intangible Assets Acquired, Leasehold Interest
Amount of acquisition price attributed to property and equipment
Payments to Acquire Property, Plant, and Equipment
Buildings And Site Improvements In Construction In Progress
Buildings And Site Improvements In Construction In Progress
Buildings and site improvements in construction in progress.
Purchase price recorded to intangible assets
Payments to Acquire Intangible Assets
Intangible assets adjustment
Amortization of intangible assets, remaining period
Finite-Lived Intangible Assets, Remaining Amortization Period
Ground lease agreement term
Ground Lease Agreement Term
Ground lease agreement term.
Payments for rent, initial, annual
Payments for Rent
Increase in rent, annual
Increase Decrease In Rent To Be Paid
The increase (decrease) during the reporting in the amount of future rent expense.
Operating leases, rent expense, annual
Operating Leases, Rent Expense, Contingent Rentals
Effective date of right to construct improvements
Effective Date Of Right To Construct Improvements
Effective date of right to construct improvements.
Increase in rent after expansion, annual
Increase Decrease In Rent To Be Paid Post Contractual Event
Increase Decrease In Rent To Be Paid Post Contractual Event
Earnings Per Share [Abstract]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Schedule of Antidilutive Securities Excluded from Computation of Earnings Per Share [Table]
Antidilutive Securities Excluded from Computation of Earnings Per Share, by Antidilutive Securities [Axis]
Antidilutive Securities Excluded from Computation of Earnings Per Share, by Antidilutive Securities [Axis]
Antidilutive Securities, Name [Domain]
Antidilutive Securities, Name [Domain]
Stock Options [Member]
Anti-dilutive shares excluded from computation of earnings per share
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount
Overview And Basis Of Presentation [Abstract]
Overview and Basis of Presentation [Abstract]
Overview And Basis Of Presentation [Table]
Overview And Basis Of Presentation [Table]
Overview and Basis of Presentation [Table]
Schedule of Available-for-sale Securities, Major Types of Debt and Equity Securities [Axis]
Schedule of Available-for-sale Securities, Major Types of Debt and Equity Securities [Axis]
Major Types of Debt and Equity Securities [Domain]
Major Types of Debt and Equity Securities [Domain]
Foreign Government Debt Securities [Member]
Foreign Government Debt Securities [Member]
Major Customers [Axis]
Name of Major Customer [Domain]
DistributorOne [Member]
DistributorOne [Member]
DistributorTwo [Member]
DistributorTwo [Member]
DistributorThree [Member]
DistributorThree [Member]
Accounts Receivable [Member]
Buildings [Member]
Building [Member]
Land improvements [Member]
Land Improvements [Member]
Furniture and fixtures [Member]
Furniture and Fixtures [Member]
Equipment and Software [Member]
Equipment and Software [Member]
Leasehold improvements [Member]
Leasehold Improvements [Member]
Capitalized Software Development Costs [Member]
Available-for-sale Securities, Debt Securities
Available-for-sale Securities, Debt Securities
Financial Instruments, Owned, Other Sovereign Government Obligations, at Fair Value
Financial Instruments, Owned, Other Sovereign Government Obligations, at Fair Value
Maturity of Foreign Currency Derivatives
Outstanding ownership percentage of VMware
Related Party, Ownership Percent
Related Party, Ownership Percent
Property, Plant and Equipment, Useful Life (in years), Minimum
Property, Plant and Equipment, Useful Life, Minimum
Property, Plant and Equipment, Useful Life (in years), Maximum
Property, Plant and Equipment, Useful Life, Maximum
Amortization period (in years) of capitalized software development costs
Property, Plant and Equipment, Useful Life, Average
Unamortized software development costs
Capitalized Software Development Costs for Software Sold to Customers
Capitalized software development costs
Capitalized Computer Software, Additions
Amortization expense of capitalized costs
Capitalized Computer Software, Amortization
Finite-Lived Intangible Assets, Useful Life (in years), Maximum
Finite-Lived Intangible Assets, Useful Life, Maximum
Finite-Lived Intangible Assets, Amortization Expense
Finite-Lived Intangible Assets, Amortization Expense
Contractual Term (in months)
Contractual Term
Contractual Term
Maturity of Foreign Currency Derivatives (in months)
Forward Contract Maturities
Forward Contract Maturities
Advertising Expense
Advertising Expense
Concentration Risk, Customer
Concentration Risk, Percentage
Maximum Length of Time Hedged in Price Risk Cash Flow Hedge
Investments [Abstract]
Gain on Sale of Investments
Gain on Sale of Investments
Basis of Presentation [Abstract]
Basis of Presentation [Abstract]
Principles of Consolidation [Policy Text Block]
Consolidation, Policy [Policy Text Block]
Use of Accounting Estimates [Policy Text Block]
Use of Estimates, Policy [Policy Text Block]
Revenue Recognition [Policy Text Block]
Revenue Recognition, Policy [Policy Text Block]
Foreign Currency Translation [Policy Text Block]
Foreign Currency Transactions and Translations Policy [Policy Text Block]
Cash and Cash Equivalents and Short-Term Investments [Policy Text Block]
Cash and Cash Equivalents and Short-term Investments [Policy Text Block]
Disclosure of accounting policy for cash and cash equivalents and short-term investments, including the policy for determining which items are treated as cash equivalents. Other information that may be disclosed includes (1) the nature of any restrictions on the entity's use of its cash and cash equivalents, (2) whether the entity's cash and cash equivalents are insured or expose the entity to credit risk, (3) the classification of any negative balance accounts (overdrafts), and (4) the carrying basis of cash equivalents (for example, at cost) and whether the carrying amount of cash equivalents approximates fair value.
Allowance for Doubtful Accounts [Policy Text Block]
Trade and Other Accounts Receivable, Policy [Policy Text Block]
Property and Equipment, Net [Policy Text Block]
Property, Plant and Equipment, Policy [Policy Text Block]
Internal Use Software, Policy [Policy Text Block]
Internal Use Software, Policy [Policy Text Block]
Research and Development and Capitalized Computer Software Development Costs [Policy Text Block]
Research, Development, and Computer Software, Policy [Policy Text Block]
Intangible Assets and Goodwill [Policy Text Block]
Goodwill and Intangible Assets, Policy [Policy Text Block]
Derivative Instruments [Policy Text Block]
Derivatives, Policy [Policy Text Block]
Business Combinations [Policy Text Block]
Business Combinations Policy [Policy Text Block]
Advertising [Policy Text Block]
Advertising Cost, Policy, Expensed Advertising Cost [Policy Text Block]
Income Taxes [Policy Text Block]
Income Tax, Policy [Policy Text Block]
Earnings Per Share [Policy Text Block]
Earnings Per Share, Policy [Policy Text Block]
Concentrations of Risks [Policy Text Block]
Concentrations of Risks [Policy Text Block]
Concentrations of Risks [Policy Text Block]
Accounting for Stock-Based Compensation [Policy Text Block]
Share-based Compensation, Option and Incentive Plans Policy [Policy Text Block]
Commitments and Contingencies Disclosure [Abstract]
Commitments And Contingencies
Commitments and Contingencies Disclosure [Text Block]
Income Tax Expense (Benefit) [Abstract]
Income Taxes
Income Tax Disclosure [Text Block]
Overview And Basis Of Presentation
Organization, Consolidation, Basis of Presentation, Business Description and Accounting Policies [Text Block]
Valuation and Qualifying Accounts [Abstract]
Valuation and Qualifying Accounts
Schedule of Valuation and Qualifying Accounts Disclosure [Text Block]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Reconciliation of Unrecognized Tax Benefits, Excluding Amounts Pertaining to Examined Tax Returns [Roll Forward]
Balance, beginning of the year
Unrecognized Tax Benefits
Tax positions related to current year: Additions
Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions
Tax positions related to current year: Reductions
Unrecognized Tax Benefits, Decreases Resulting from Current Period Tax Positions
Tax positions related to prior years: Additions
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions
Tax positions related to prior years: Reductions
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions
Tax positions related to prior years: Settlements
Unrecognized Tax Benefits, Decreases Resulting from Settlements with Taxing Authorities
Foreign currency effects
Unrecognized Tax Benefits, Increases (Decreases) Resulting from Foreign Currency Effects
Unrecognized Tax Benefits, Increases (Decreases) Resulting from Foreign Currency Effects
Balance, end of the year
Cash Proceeds
Stock Issued During Period, Value, Employee Stock Purchase Plan
Class A common shares purchased
Stock Issued During Period, Shares, Employee Stock Purchase Plans
Weighted-average price per share
Share-based Compensation Arrangement by Share-based Payment Award, Per Share Weighted Average Price of Shares Purchased
Computations Of Basic And Diluted Net Income Per Share
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
Accrued Expenses And Other
Accrued Expenses [Text Block]
Accrued Expenses [Text Block]
Note Payable To EMC [Abstract]
Note Payable to EMC [Abstract]
Note Payable To EMC
Debt Disclosure [Text Block]
Fair Value Measurements And Derivative Instruments [Abstract]
Fair Value Measurements and Derivative Instruments [Abstract]
Fair Value Measurements
Fair Value, Measurement Inputs, Disclosure [Table Text Block]
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Components of Income Tax Expense (Benefit), Continuing Operations [Abstract]
Federal:
Federal Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current
Current Federal Tax Expense (Benefit)
Deferred
Deferred Federal Income Tax Expense (Benefit)
Federal Income Tax Expense (Benefit), Continuing Operations
Federal Income Tax Expense (Benefit), Continuing Operations
State:
State and Local Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current
Current State and Local Tax Expense (Benefit)
Deferred
Deferred State and Local Income Tax Expense (Benefit)
State and Local Income Tax Expense (Benefit), Continuing Operations
State and Local Income Tax Expense (Benefit), Continuing Operations
Foreign:
Foreign Income Tax Expense (Benefit), Continuing Operations [Abstract]
Current
Current Foreign Tax Expense (Benefit)
Deferred
Deferred Foreign Income Tax Expense (Benefit)
Foreign Income Tax Expense (Benefit), Continuing Operations
Foreign Income Tax Expense (Benefit), Continuing Operations
Total provision for income taxes
Income Tax Expense (Benefit)
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
Available-for-sale Securities
Accounts receivable, net of allowance for doubtful accounts of $3,794 and $4,519
Accounts Receivable, Net, Current
Deferred tax asset
Deferred Tax Assets, Net, Current
Other current assets
Other Assets, Current
Total current assets
Assets, Current
Property and equipment, net
Property, Plant and Equipment, Net
Capitalized software development costs, net and other
Other Assets, Noncurrent
Deferred tax asset
Deferred Tax Assets, Net, Noncurrent
Intangible assets, net
Intangible Assets, Net (Excluding Goodwill)
Goodwill
Total assets
Assets
LIABILITIES AND STOCKHOLDERS' EQUITY
Liabilities and Equity [Abstract]
Accounts payable
Accounts Payable, Current
Accrued expenses and other
Unearned revenues
Deferred Revenue, Current
Total current liabilities
Liabilities, Current
Note payable to EMC
Notes Payable, Related Parties, Noncurrent
Unearned revenues
Deferred Revenue, Noncurrent
Deferred tax liability
Deferred Tax Liabilities, Noncurrent
Other liabilities
Other Liabilities, Noncurrent
Total liabilities
Liabilities
Commitments and contingencies (see Note L)
Commitments and Contingencies
Stockholders' equity:
Stockholders' Equity Attributable to Parent [Abstract]
Common stock, value
Common Stock, Value, Issued
Additional paid-in capital
Additional Paid in Capital, Common Stock
Accumulated other comprehensive income
Accumulated Other Comprehensive Income (Loss), Net of Tax
Retained earnings
Retained Earnings (Accumulated Deficit)
Total stockholders' equity
Stockholders' Equity Attributable to Parent
Total liabilities and stockholders' equity
Liabilities and Equity
Schedule of Investments [Table]
Schedule of Investments [Table]
Fixed Income Securities [Member]
U.S. Government And Agency Obligations [Member]
US Government Agencies Debt Securities [Member]
Corporate Debt Securities [Member]
Corporate Debt Securities [Member]
Municipal Obligations [Member]
Municipal Bonds [Member]
Asset-Backed Securities [Member]
Asset-backed Securities [Member]
Mortgage-Backed Securities [Member]
Mortgage-backed Securities, Issued by Private Enterprises [Member]
Equity Securities [Member]
Equity Securities [Member]
Cost or Amortized Cost
Available-for-sale Securities, Amortized Cost Basis
Unrealized Gains
Available-for-sale Securities, Gross Unrealized Gains
Unrealized Losses
Available-for-sale Securities, Gross Unrealized Losses
Fixed income securities, Aggregate Fair Value
Equity securities, Aggregate Fair Value
Available-for-sale Securities, Equity Securities
Total investment, Aggregate Fair Value
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table]
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table]
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis]
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain]
Cost Of License Revenues [Member]
Cost Of License Revenues Member
Cost Of License Revenues
Cost Of Services Revenues [Member]
Cost Of Services Revenues Member
Cost Of Services Revenues
Research and Development Expense [Member]
Selling and Marketing Expense [Member]
General and Administrative Expense [Member]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items]
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, Period for Recognition
Stock-based Compensation
Allocated Share-based Compensation Expense
Income tax benefti
Employee Service Share-based Compensation, Tax Benefit from Compensation Expense
Total stock-based compensation expense, net of tax
Allocated Share-based Compensation Expense, Net of Tax
Weighted-average shares, basic for Class A and Class B
Weighted Average Number of Shares Outstanding, Basic
Effect of dilutive securities
Weighted Average Number Diluted Shares Outstanding Adjustment
Weighted-average shares, diluted for Class A and Class B
Weighted Average Number of Shares Outstanding, Diluted
Net income per weighted-average share, basic for Class A and Class B
Net income per weighted-average share, diluted for Class A and Class B
Purchase Price Allocation
Schedule of Purchase Price Allocation [Table Text Block]
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed
Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block]
Changes In Carrying Amount Of Goodwill
Schedule of Goodwill [Table Text Block]
Schedule of Finite-Lived Intangible Assets
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Schedule of Finite-Lived Intangible Assets [Table Text Block]
Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination
Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block]
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense
Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block]
Income Statement [Abstract]
Statement, Scenario [Axis]
Statement, Scenario [Axis]
Scenario, Unspecified [Domain]
Scenario, Unspecified [Domain]
Revenues:
Revenues [Abstract]
License
Services
Revenues
Operating expenses:
Operating Income (Loss) [Abstract]
Cost of license revenues
License Costs
Cost of services revenues
Cost of Services
Research and development
Research and Development Expense
Sales and marketing
Selling and Marketing Expense
General and administrative
General and Administrative Expense
Operating income
Operating Income (Loss)
Investment income
Investment Income, Net
Interest expense with EMC
Interest Expense, Related Party
Other income (expense), net
Other Nonoperating Income (Expense)
Income before income taxes
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest
Income tax provision
Net income
Weighted-average shares, basic for Class A and Class B
Weighted-average shares, diluted for Class A and Class B
Statement of Stockholders' Equity [Abstract]
Statement, Equity Components [Axis]
Equity Component [Domain]
Additional Paid-in Capital [Member]
Retained Earnings [Member]
Retained Earnings [Member]
Accumulated Other Comprehensive Income [Member]
Accumulated Other Comprehensive Income (Loss) [Member]
Balance, shares
Balance, value
Proceeds from issuance of common stock, shares
Stock Issued During Period, Shares, New Issues
Proceeds from issuance of common stock, value
Stock Issued During Period, Value, New Issues
Repurchase and retirement of common stock, shares
Repurchase and retirement of common stock, value
Issuance of stock options in acquisition, value
Stock Issued During Period, Value, Acquisitions
Issuance of restricted stock, net of cancellations, shares
Stock Issued During Period, Shares, Restricted Stock Award, Net of Forfeitures
Issuance of restricted stock, net of cancellations, value
Stock Issued During Period, Value, Restricted Stock Award, Net of Forfeitures
Shares repurchased or withheld and retired for tax withholdings on vesting of restricted stock, shares
Shares Paid for Tax Withholding for Share Based Compensation
Shares repurchased or withheld and retired for tax withholdings on vesting of restricted stock, value
Adjustments Related to Tax Withholding for Share-based Compensation
Stock-based compensation
Adjustments to Additional Paid in Capital, Share-based Compensation, Requisite Service Period Recognition
Excess tax benefits from stock-based compensation
Adjustments to Additional Paid in Capital, Income Tax Benefit from Share-based Compensation
Amounts due (Credit) from tax sharing arrangement (see Note N)
Adjustments to Additional Paid-in Capital Tax Sharing Arrangement
Adjustments to Additional Paid-in Capital Tax Sharing Arrangement
Total other comprehensive income (loss) (See Note N)
Other Comprehensive Income (Loss), Net of Tax
Capital contribution (distribution) from EMC, net (see Note F)
Proceeds from Contributions from Parent
Balance, shares
Balance, value
Operating Loss Carryforwards [Table]
Operating Loss Carryforwards [Table]
Income Tax Authority [Axis]
Income Tax Authority [Axis]
Income Tax Authority [Domain]
Income Tax Authority [Domain]
Internal Revenue Service (IRS) [Member]
Internal Revenue Service (IRS) [Member]
State and Local Jurisdiction [Member]
State and Local Jurisdiction [Member]
Foreign Country [Member]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards [Line Items]
Operating Loss Carryforwards
Operating Loss Carryforwards
Operating Loss Carryforwards, Valuation Allowance
Operating Loss Carryforwards, Valuation Allowance
Employee Stock Purchase Plan
Schedule of Share-based Compensation, Employee Stock Purchase Plan, Activity [Table Text Block]
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award
Disclosure of Share-based Compensation Arrangements by Share-based Payment Award [Table Text Block]
Summary Of Restricted Stock Activity
Schedule of Nonvested Restricted Stock Units Activity [Table Text Block]
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs
Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block]
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions
Schedule of Share-based Payment Award, Stock Options, Valuation Assumptions [Table Text Block]
Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions
Schedule of Share-based Payment Award, Employee Stock Purchase Plan, Valuation Assumptions [Table Text Block]
Securities (Assets) [Member]
Securities (Assets) [Member]
Fair Value
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses
Schedule Revenues By Geographic Area
Schedule of Revenue from External Customers Attributed to Foreign Countries by Geographic Area [Table Text Block]
Schedule Long-Lived Assets By Geographic Area
Schedule of Revenue from External Customers and Long-Lived Assets, by Geographical Areas [Table Text Block]
Revenue from External Customers by Products and Services
Revenue from External Customers by Products and Services [Table Text Block]
Schedule of Share-based Goods and Nonemployee Services Transaction [Table]
Schedule of Share-based Goods and Nonemployee Services Transaction [Table]
Share-based Goods and Nonemployee Services Transaction [Line Items]
Share-based Goods and Nonemployee Services Transaction [Line Items]
Dividend yield
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate
Expected volatility
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate
Risk-free interest rate
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate
Expected term (in years)
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term
Weighted-average fair value at grant date
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value
Statutory federal tax rate
Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate
State taxes, net of federal benefit
Effective Income Tax Rate Reconciliation, State and Local Income Taxes
Tax rate differential for international jurisdictions
Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential
U.S. tax credits
Effective Income Tax Rate Reconciliation, Tax Credits
Permanent items and other
Effective Income Tax Rate Reconciliation, Other Adjustments
Effective tax rate
Effective Income Tax Rate, Continuing Operations
Related Party Transactions
Related Party Transactions Disclosure [Text Block]
Debt Securities [Member]
Debt Securities [Member]
Total Fixed Income Securities [Member]
Due within one year, Amortized Cost Basis
Available-for-sale Securities, Debt Maturities, within One Year, Amortized Cost Basis
Due after 1 year through 5 years, Amortized Cost Basis
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Amortized Cost Basis
Due after 5 years, Amortized Cost Basis
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Amortized Cost Basis
Total investments, Amortized Cost Basis
Due within one year, Aggregate Fair Value
Available-for-sale Securities, Debt Maturities, within One Year, Fair Value
Due after 1 year through 5 years, Aggregate Fair Value
Available-for-sale Securities, Debt Maturities, after One Through Five Years, Fair Value
Due after 5 years, Aggregate Fair Value
Available-for-sale Securities, Debt Maturities, after Five Through Ten Years, Fair Value
Stockholders' Equity
Stockholders' Equity Note Disclosure [Text Block]
Investments
Investments in Debt and Marketable Equity Securities (and Certain Trading Assets) Disclosure [Text Block]
Summary Of Minimum Lease Payments
Schedule of Future Minimum Rental Payments for Operating Leases [Table Text Block]
Investing In Fixed Income Securities
Available-for-sale Securities [Table Text Block]
Unrealized Losses On Investments
Gain (Loss) on Investments [Table Text Block]
Contractual Maturities Of Investments
Investments Classified by Contractual Maturity Date [Table Text Block]
Unrealized gains on available-for-sale securities, net of taxes of $944, $9,239, and $2,797
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Net of Tax
Unrealized losses on effective foreign currency forward exchange contracts, net of taxes of $(17), $0, and $0
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Net of Tax
Reclassification of gains on available-for-sale securities recognized during the period, net of taxes of $(12,220), $(102), and $0
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Net of Tax
Total other comprehensive income (loss)
Total comprehensive income, net of taxes
Comprehensive Income (Loss), Net of Tax, Attributable to Parent
Tax effect on unrealized gains on available-for-sale securities
Other Comprehensive Income (Loss), Unrealized Holding Gain (Loss) on Securities Arising During Period, Tax
Tax effect on unrealized losses on effective foreign currency translation contracts
Other Comprehensive Income (Loss), Unrealized Gain (Loss) on Derivatives Arising During Period, Tax
Tax effect on reclassification of gains on available-for-sale securities
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Tax
Schedule of Income before Income Tax, Domestic and Foreign
Schedule of Income before Income Tax, Domestic and Foreign [Table Text Block]
Schedule of Components of Income Tax Expense (Benefit)
Schedule of Components of Income Tax Expense (Benefit) [Table Text Block]
Schedule of Effective Income Tax Rate Reconciliation
Schedule of Effective Income Tax Rate Reconciliation [Table Text Block]
Schedule of Deferred Tax Assets and Liabilities
Schedule of Deferred Tax Assets and Liabilities [Table Text Block]
Summary of Income Tax Contingencies
Summary of Income Tax Contingencies [Table Text Block]
Business Combinations, Goodwill and Intangible Assets, Net
Business Combination Disclosure [Text Block]
Lease Commitment by Location [Axis]
Lease Commitment by Location [Axis]
Lease Commitment by Location [Axis]
Lease Commitment by Location [Domain]
Lease Commitment by Location [Domain]
Lease Commitment by Location [Domain]
Washington Data Center [Member]
Washington Data Center [Member]
Washington Data Center [Member]
Operating Leases, Rent Expense
Operating Leases, Rent Expense
Contractual Commitments
Contractual Commitments
Contractual Commitments
Schedule of Business Acquisitions, by Acquisition [Table]
Business Acquisition, Acquiree [Domain]
SpringSource [Member]
SpringSource [Member]
Series of Individually Immaterial Business Acquisitions [Member]
Series of Individually Immaterial Business Acquisitions [Member]
Business Acquisition [Line Items]
Business Combinations, Intangible Assets, Net And Goodwill [Abstract]
Business Combinations, Intangible Assets, Net And Goodwill [Abstract]
Cash
Business Acquisition, Purchase Price Allocation, Current Assets, Cash and Cash Equivalents
Accrued liabilities and other
Business Acquisition, Purchase Price Allocation, Current Assets
Property and equipment
Business Acquisition, Purchase Price Allocation, Property, Plant and Equipment
Intangible assets
Business Acquisition, Purchase Price Allocation, Amortizable Intangible Assets
Goodwill
Business Acquisition, Purchase Price Allocation, Goodwill Amount
Deferred tax assets
Business Acquisition Purchase Price Allocation Deferred Tax Assets
Business Acquisition Purchase Price Allocation Deferred Tax Assets
Other assets
Business Acquisition, Purchase Price Allocation, Other Noncurrent Assets
Total tangible and intangible assets acquired
Unearned revenues
Business Acquisition, Purchase Price Allocation, Current Liabilities, Deferred Revenue
Deferred tax liabilities
Business Acquisition Purchase Price Allocation Deferred Tax Liabilities Assumed
Business Acquisition Purchase Price Allocation Deferred Tax Liabilities Assumed
Accrued liabilities and other
Business Acquisition, Purchase Price Allocation, Current Liabilities, Accrued Liabilities
Other current liabilities
Business Acquisition, Purchase Price Allocation, Current Liabilities, Other Liabilities
Income taxes payable
Business Acquisition, Purchase Price Allocation, Income Taxes Payable
Business Acquisition, Purchase Price Allocation, Income Taxes Payable
Capital contribution from EMC
Business Acquisition, Purchase Price Allocation, Capital Contirbution
Business Acquisition, Purchase Price Allocation, Capital Contirbution
Total liabilities assumed
Business Acquisition, Purchase Price Allocation, Liabilities Assumed
Fair value of tangible and intangible assets acquired and liabilities assumed
Business Acquisition, Purchase Price Allocation, Assets Acquired (Liabilities Assumed), Net
Dividend declared to EMC
Dividends Payable, Amount
LIBOR period, days
Debt Instrument, Description of Variable Rate Basis
Spread over LIBOR (basis points)
Debt Instrument, Basis Spread on Variable Rate
Repayments of principal
Repayments of Notes Payable
Unearned Revenue, by Arrangement, Disclosure
Deferred Revenue, by Arrangement, Disclosure [Table Text Block]
Earnings Per Share
Earnings Per Share [Text Block]
Valuation and Qualifying Accounts Disclosure [Table]
Valuation and Qualifying Accounts Disclosure [Table]
Valuation Allowances and Reserves Type [Axis]
Valuation Allowances and Reserves Type [Axis]
Valuation Allowances and Reserves [Domain]
Valuation Allowances and Reserves [Domain]
Tax Valuation Allowance [Member]
Valuation Allowance of Deferred Tax Assets [Member]
Allowance for Bad Debts [Member]
Allowance for Doubtful Accounts [Member]
Valuation and Qualifying Accounts Disclosure [Line Items]
Valuation and Qualifying Accounts Disclosure [Line Items]
Movement in Valuation Allowances and Reserves [Roll Forward]
Movement in Valuation Allowances and Reserves [Roll Forward]
Balance at Beginning of Period
Valuation Allowances and Reserves, Balance
Valuation Allowances and Reserves, Charged to Cost and Expense
Valuation Allowances and Reserves, Charged to Cost and Expense
Charged to Other Accounts
Valuation Allowances and Reserves, Charged to Other Accounts
Valuation Allowances and Reserves, Deductions
Valuation Allowances and Reserves, Deductions
Balance at End of Period
Equipment and software
Equipment and software Gross
Equipment and software Gross
Buildings and improvements
Buildings and Improvements, Gross
Furniture and fixtures
Furniture and Fixtures, Gross
Construction in progress
Construction in Progress, Gross
Total property and equipment
Property, Plant and Equipment, Gross
Accumulated depreciation
Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment
Total property and equipment, net
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract]
Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract]
Domestic
Income (Loss) from Continuing Operations before Income Taxes, Domestic
International
Income (Loss) from Continuing Operations before Income Taxes, Foreign
Deferred tax assets:
Deferred Tax Assets, Net [Abstract]
Unearned revenue
Deferred Tax Assets, Deferred Income
Accruals and other
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals
Stock-based compensation
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Share-based Compensation Cost
Tax credit and net operating loss carryforwards
Deferred Tax Assets, Operating Loss and Tax Credit Carryforwards
Deferred Tax Assets, Operating Loss and Tax Credit Carryforwards
Net deferred tax assets
Deferred Tax Assets, Gross
Valuation allowance
Deferred Tax Assets, Valuation Allowance
Total deferred tax assets
Deferred Tax Assets, Net
Deferred tax liabilities:
Deferred Tax Liabilities [Abstract]
Property, plant and equipment, net
Deferred Tax Liabilities, Property, Plant and Equipment
Intangibles and other assets, net
Deferred Tax Liabilities, Goodwill and Intangible Assets, Intangible Assets
Other non-current liabilities
Deferred Tax Liabilities, Other
Total deferred tax liabilities
Deferred Tax Liabilities
Total deferred tax assets, net
Deferred Tax Assets (Liabilities), Net
Derivative Instruments
Derivative Instruments and Hedging Activities Disclosure [Text Block]
Schedule Of Income Taxes [Table]
Schedule Of Income Taxes [Table]
Schedule Of Income Taxes [Table]
Income Tax Return Type [Axis]
Income Tax Return Type [Axis]
Income Tax Return Type [Axis]
Income Tax Return Type [Domain]
Income Tax Return Type [Domain]
Income Tax Return Type [Domain]
Federal, 2011 Tax Year [Member]
Federal, 2011 Tax Year [Member]
Federal, 2011 Tax Year [Member]
Ireland [Member]
IRELAND
Income Tax Reconciliation [Axis]
Income Tax Reconciliation [Axis]
Income Tax Reconciliation [Axis]
Income Tax Reconciliation [Domain]
Income Tax Reconciliation [Domain]
Income Tax Reconciliation [Domain]
Finalization Of 2010 Returns [Member]
Finalization Of Two Thousand Ten Returns Member
Finalization Of Two Thousand Ten Returns [Member]
First Half Of 2011 [Member]
First Half Of Two Thousand Eleven Member
First Half Of Two Thousand Eleven [Member]
Undistributed Earnings of Foreign Subsidiaries
Undistributed Earnings of Foreign Subsidiaries
Undistributed Earnings of Foreign Subsidiaries
Effective Income Tax Rate, Foreign Subsidiary Statutory Rate
Effective Income Tax Rate, Foreign Subsidiary Statutory Rate
Effective Income Tax Rate, Foreign Subsidiary Statutory Rate
Cash, cash equivalents, and short-term investments
Cash, Cash Equivalents, and Short-term Investments
Receipt Of Income Tax From Related Party
Related Party Tax Expense, Due from Affiliates, Current
Unrecognized Tax Benefits, Excluding Offsetting Tax Benefits
Unrecognized Tax Benefits, Excluding Offsetting Tax Benefits
Unrecognized Tax Benefits, Excluding Offsetting Tax Benefits
Offsetting tax benefits not recognized
Offsetting Tax Benefits Not Recognized
Offsetting Tax Benefits Not Recognized
Unrecognized Tax Benefits that Would Impact Effective Tax Rate
Unrecognized Tax Benefits that Would Impact Effective Tax Rate
Unrecognized Tax Benefits that Would Impact Effective Tax Rate, Including Interest
Unrecognized Tax Benefits that Would Impact Effective Tax Rate, Including Interest
Unrecognized Tax Benefits that Would Impact Effective Tax Rate, Including Interest
Reduction in total unrecognized tax benefits reasonably possible within next 12 months, maximum
Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Estimated Range of Change, Upper Bound
Unrecognized Tax Benefits, Interest on Income Taxes Accrued
Unrecognized Tax Benefits, Interest on Income Taxes Accrued
Unrecognized Tax Benefits, Interest on Income Taxes Expense
Unrecognized Tax Benefits, Interest on Income Taxes Expense
2012
Operating Leases, Future Minimum Payments Due, Current
2013
Operating Leases, Future Minimum Payments, Due in Two Years
2014
Operating Leases, Future Minimum Payments, Due in Three Years
2015
Operating Leases, Future Minimum Payments, Due in Four Years
2016
Operating Leases, Future Minimum Payments, Due in Five Years
Thereafter
Operating Leases, Future Minimum Payments, Due Thereafter
Total minimum lease payments
Operating Leases, Future Minimum Payments Due
Fair Value Of Money Market Funds And Available-For-Sale Securities Included In Cash And Cash Equivalents
Fair Value, Assets Measured on Recurring Basis [Table Text Block]
Long-lived assets in United States
Disclosure on Geographic Areas, Long-Lived Assets in Entity's Country of Domicile
Long-lived assets in International locations
Disclosure on Geographic Areas, Long-Lived Assets in Foreign Countries
Total long lived assets
Total Long Lived Assets
Total long lived assets.
Number of countries accounted for ten percentage or more of total assets
Number of Countries Accounted for Ten Percentage or More of Total Assets
Number of Countries Accounted for Ten Percentage or More of Total Assets
Components Of Accrued Expenses
Schedule of Accrued Liabilities [Table Text Block]
Schedule of Quarterly Financial Information
Schedule of Quarterly Financial Information [Table Text Block]
Statement of Cash Flows [Abstract]
Operating activities:
Net Cash Provided by (Used in) Operating Activities [Abstract]
Adjustments to reconcile net income to net cash provided by operating activities:
Adjustments to Reconcile Net Income (Loss) to Cash Provided by (Used in) Operating Activities [Abstract]
Depreciation and amortization
Depreciation, Depletion and Amortization
Stock-based compensation, excluding amounts capitalized
Share-based Compensation
Excess tax benefits from stock-based compensation
Excess Tax Benefit from Share-based Compensation, Operating Activities
Gain on sale of Terremark investment
Other
Other Noncash Income (Expense)
Changes in assets and liabilities, net of acquisitions:
Increase (Decrease) in Operating Capital [Abstract]
Accounts receivable
Increase (Decrease) in Accounts Receivable
Other assets
Increase (Decrease) in Other Operating Assets
Due to/from EMC, net
Due To From Emc Net
Due To From Emc Net
Accounts payable
Increase (Decrease) in Accounts Payable
Accrued expenses
Increase (Decrease) in Accrued Liabilities
Income taxes receivable from EMC
Increase (Decrease) in Income Taxes Receivable
Income taxes payable
Increase (Decrease) in Income Taxes Payable
Deferred income taxes, net
Increase (Decrease) in Deferred Income Taxes
Unearned revenue
Increase (Decrease) in Deferred Revenue
Net cash provided by operating activities
Net Cash Provided by (Used in) Operating Activities
Investing activities:
Net Cash Provided by (Used in) Investing Activities [Abstract]
Additions to property and equipment
Purchase of leasehold interest (see Note G)
Capitalized software development costs
Payments to Acquire Software
Purchases of available-for-sale securities
Payments to Acquire Available-for-sale Securities
Sales of available-for-sale securities
Proceeds from Sale of Available-for-sale Securities
Maturities of available-for-sale securities
Proceeds from Maturities, Prepayments and Calls of Available-for-sale Securities
Sale of strategic investments
Proceeds from Sale of Other Investments
Business acquisitions, net of cash acquired
Payments to Acquire Businesses, Net of Cash Acquired
Transfer of net assets under common control
Other investing
Payments for (Proceeds from) Other Investing Activities
Net cash used in investing activities
Net Cash Provided by (Used in) Investing Activities
Financing activities:
Net Cash Provided by (Used in) Financing Activities [Abstract]
Proceeds from issuance of common stock
Proceeds from Issuance of Common Stock
Repurchase of common stock
Payments for Repurchase of Common Stock
Excess tax benefits from stock-based compensation
Excess Tax Benefit from Share-based Compensation, Financing Activities
Shares repurchased for tax withholdings on vesting of restricted stock
Payments Related to Tax Withholding for Share-based Compensation
Net cash provided by (used in) financing activities
Net Cash Provided by (Used in) Financing Activities
Net increase (decrease) in cash and cash equivalents
Cash and Cash Equivalents, Period Increase (Decrease)
Cash and cash equivalents at beginning of the period
Cash and cash equivalents at end of the period
Supplemental disclosures of cash flow information:
Supplemental Cash Flow Information [Abstract]
Cash paid for interest
Interest Paid
Cash paid (refunded) for taxes
Income Taxes Paid, Net
Non-cash items:
Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract]
Changes in capital additions, accrued but not paid
Capital Expenditures Incurred but Not yet Paid
Changes in tax withholdings on vesting of restricted stock, accrued but not paid
Change In Tax Withholdings On Vesting Of Restricted Stock
Change In Tax Withholdings On Vesting Of Restricted Stock
Fair value of stock options assumed in acquisition
Stock Options Assumed
The fair value of stock options assumed in noncash financing activities.
Fair Value, by Balance Sheet Grouping [Table]
Fair Value, by Balance Sheet Grouping [Table]
Fair Value, by Balance Sheet Grouping, Disclosure Item Amounts [Axis]
Fair Value, Disclosure Item Amounts [Domain]
Estimate of Fair Value, Fair Value Disclosure [Member]
Money Market Funds [Member]
Money Market Funds [Member]
Collateralized Mortgage Backed Securities [Member]
Fair Value, Hierarchy [Axis]
Fair Value, Hierarchy [Axis]
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Fair Value, Measurements, Fair Value Hierarchy [Domain]
Level 1 [Member]
Fair Value, Inputs, Level 1 [Member]
Level 2 [Member]
Fair Value, Inputs, Level 2 [Member]
Money-market funds
Cash and Cash Equivalents, Fair Value Disclosure
Available-for-sale securities
Available-for-sale Securities, Fair Value Disclosure
Equity securities
Equity Method Investments, Fair Value Disclosure
Total cash equivalents and investments
Total Cash Equivalents And Investments Fair Value Disclosure
Total Cash Equivalents And Investments Fair Value Disclosure
Selected Quarterly Financial Data (unaudited)
Quarterly Financial Information [Text Block]
Business Acquisition, Cost of Acquired Entity, Other Noncash Consideration
Business Acquisition, Cost of Acquired Entity, Other Noncash Consideration
Transfer of net assets under common control
Number of companies acquired
Number of Businesses Acquired
Aggregate consideration for acquisitions
Business Acquisition, Cost of Acquired Entity, Purchase Price
Payments to Acquire Businesses, Net of Cash Acquired
Business Acquisition, Contingent Consideration, Potential Cash Payment
Business Acquisition Contingent Consideration Payment
Issuance of Stock and Warrants for Services or Claims
Business Acquisition, Equity Interest Issued or Issuable, Value Assigned
Vested Stock Options Issued During Period, Shares, Acquisitions
Vested Stock Options Issued During Period, Shares, Acquisitions
Unvested Stock Options Issued During Period, Shares, Acquisitions
Unvested Stock Options Issued During Period, Shares, Acquisitions
Vested and expected to vest, weighted average exercise price, Per Share
Stock Issued to Employees in lieu of Cash Proceeds
Restricted Stock Issued to Employees in lieu of Cash Proceeds
Restricted Stock Issued to Employees in lieu of Cash Proceeds
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price
Aggregate stock options granted, number of shares
Aggregate restricted stock granted, number of shares
Stock Issued During Period, Shares, Restricted Stock Award, Gross
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value
Business Combination, Step Acquisition, Equity Interest in Acquiree, Fair Value
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain
Business Combination, Step Acquisition, Equity Interest in Acquiree, Remeasurement Gain
Increase in Goodwill, Business Acquisition, Step Acquisition
Increase in Goodwill, Business Acquisition, Step Acquisition
Increase in Goodwill, Business Acquisition, Step Acquisition
Business Acquisition, Purchase Price Allocation, Goodwill Amount
Research and Development [Member]
Sales and Marketing [Member]
General and Administrative [Member]
Document And Entity Information [Abstract]
Document and Entity Information [Abstract]
Document Information [Table]
Document Information [Table]
Document Information, Document [Axis]
Document Information, Document [Axis]
Document [Domain]
Document [Domain]
Document Information [Line Items]
Document Information [Line Items]
Entity Registrant Name
Entity Registrant Name
Entity Central Index Key
Entity Central Index Key
Current Fiscal Year End Date
Current Fiscal Year End Date
Entity Filer Category
Entity Filer Category
Document Type
Document Type
Document Period End Date
Document Period End Date
Document Fiscal Year Focus
Document Fiscal Year Focus
Document Fiscal Period Focus
Document Fiscal Period Focus
Amendment Flag
Amendment Flag
Entity Common Stock, Shares Outstanding
Entity Common Stock, Shares Outstanding
Entity Well-known Seasoned Issuer
Entity Well-known Seasoned Issuer
Entity Voluntary Filers
Entity Voluntary Filers
Entity Current Reporting Status
Entity Current Reporting Status
Entity Public Float
Entity Public Float
Accounts receivable, allowance for doubtful accounts
Allowance for Doubtful Accounts Receivable
Common stock, par value
Common Stock, Par or Stated Value Per Share
Common stock, shares authorized
Common Stock, Shares Authorized
Common stock, shares issued
Common Stock, Shares, Issued