Debt Instruments [Abstract] Debt Debt Disclosure [Text Block] Cash Flow - Supplemental Disclosure [Abstract] Cash Flow - Supplemental Disclosure [Abstract] Cash Flow, Supplemental Disclosures [Text Block] Cash Flow, Supplemental Disclosures [Text Block] Property, Plant and Equipment [Abstract] Property and Equipment Property, Plant and Equipment Disclosure [Text Block] Summary of Significant Accounting Policies [Abstract] Summary of Significant Accounting Policies [Abstract] Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Schedule of Error Corrections and Prior Period Adjustment Restatement [Table] Subsequent Event Type [Axis] Subsequent Event Type [Axis] Subsequent Event Type [Domain] Subsequent Event Type [Domain] Subsequent Event [Member] Subsequent Event [Member] Balance Sheet Location [Axis] Balance Sheet Location [Axis] Balance Sheet Location [Domain] Balance Sheet Location [Domain] Retained Earnings [Member] Retained Earnings [Member] Accumulated Other Comprehensive Income (Loss) [Member] Accumulated Other Comprehensive Income (Loss) [Member] Non-Controlling Interest [Member] Noncontrolling Interest [Member] Adjustments for Change in Accounting Principle [Axis] Adjustments for Change in Accounting Principle [Axis] Adjustments for Change in Accounting Principle [Domain] Adjustments for Change in Accounting Principle [Domain] Change in Accounting Policy, Change in Accounting Method, Market-related Value to Fair Value [Member] Change in Accounting Policy, Change in Accounting Method, Market-related Value to Fair Value [Member] Change in Accounting Policy, Change in Accounting Method, Market-related Value to Fair Value [Member] Statement, Scenario [Axis] Scenario [Axis] Scenario, Unspecified [Domain] Scenario, Unspecified [Domain] Restatement Adjustment [Member] Restatement Adjustment [Member] Error Corrections and Prior Period Adjustments Restatement [Line Items] Error Corrections and Prior Period Adjustments Restatement [Line Items] Cumulative effect of change in accounting principle New Accounting Pronouncement or Change in Accounting Principle, Cumulative Effect of Change on Equity or Net Assets Accounting Changes and Error Corrections [Abstract] Schedule of changes related to restatement of financial statements Schedule of Error Corrections and Prior Period Adjustments [Table Text Block] Schedule of changes to financial statements related to changes in accounting policies Schedule of New Accounting Pronouncements and Changes in Accounting Principles [Table Text Block] Pension And Other Benefit Plans [Abstract] Pension And Other Benefit Plans [Abstract] Schedule of Defined Benefit Plans Disclosures [Table] Schedule of Defined Benefit Plans Disclosures [Table] Geographical [Axis] Geographical [Axis] Geographical [Domain] Geographical [Domain] United States [Member] UNITED STATES Non-US [Member] Non-US [Member] Non-US [Member] Deferred compensation arrangement with type of individual, postretirement benefits, by title of individual [Axis] Deferred compensation arrangement with type of individual, postretirement benefits, by title of individual [Axis] Reflects the pertinent provisions pertaining to pension and other postretirement benefit arrangements with personnel, by individual. Title of type of individual with relationship to entity [Domain] Title of type of individual with relationship to entity [Domain] Title of the type of individual (or the nature of the entity's relationship with the individual) who is party to the deferred compensation arrangement. Preparer may add the individual's name as well by extension. Defined Benefit Plans and Other Postretirement Benefit Plans Disclosures [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Axis] Defined Benefit Plans and Other Postretirement Benefit Plans [Domain] Defined Benefit Plan and Other Postretirement Benefit Plan [Domain] Pension Plan [Member] Pension Plan [Member] Foreign Pension Plan [Member] Foreign Pension Plan [Member] United States Pension Plan of US Entity [Member] United States Pension Plan of US Entity [Member] Other Postretirement Benefit Plan [Member] Other Postretirement Benefit Plan [Member] Defined Benefit Plan by Plan Asset Categories [Axis] Defined Benefit Plan, Asset Categories [Axis] Defined Benefit Plan By Plan Asset Categories [Axis] Plan Asset Categories [Domain] Equity Securities [Member] Equity Securities [Member] Insurance contracts [Member] Insurance contracts [Member] An investment that invests in insurance contracts. Debt Securities [Member] Debt Securities [Member] Alternative Investments [Member] Alternative Investments [Member] Alternative Investments [Member] Cash and Other Investments [Member] Cash and Other Investments [Member] Cash and Other Investments [Member] Fair Value, Hierarchy [Axis] Fair Value, Hierarchy [Axis] Fair Value Plan Asset Measurement [Domain] Fair Value Hierarchy [Domain] Level 3 [Member] Fair Value, Inputs, Level 3 [Member] Total [Member] Total [Member] The total of all Level 1, Level 2 and Level 3 values. Defined Benefit Plan Disclosure [Line Items] Defined Benefit Plan Disclosure [Line Items] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Fair Value, Assets Measured on Recurring Basis, Unobservable Input Reconciliation, Calculation [Roll Forward] Beginning balance Defined Benefit Plan, Fair Value of Plan Assets Asset acquired in purchase of iSOFT Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets Actual return on plan assets relating to assets still held at the reporting date Defined Benefit Plan, Actual Return on Plan Assets Still Held Actual return on plan assets relateing to assets sold during the period Defined Benefit Plan, Actual Return on Plan Assets Sold During Period Purchases, sales, and settlements Defined Benefit Plan, Purchases, Sales, and Settlements Transfers in and / or out of Level 3 Defined Benefit Plan, Transfers Between Measurement Levels Changes due to exchange rates Defined Benefit Plan, Foreign Currency Exchange Rate Gain (Loss) Ending balance Actual Plan asset allocations Defined Benefit Plan, Actual Plan Asset Allocations Key executives [Member] Key executives [Member] A person who is in senior management and is considered one of the ranking employees of the entity. Non-employee directors [Member] Non-employee directors [Member] A person serving on the board of directors (who collectively have responsibility for determining the overall policy of the entity and appointing officers) generally elected by the shareholders that is not an employee. Plan Asset Categories [Domain] Fixed Income Securities [Member] Fixed Income Securities [Member] Corporate Credit [Member] Corporate Credit [Member] Corporate Credit [Member] Liability Driven Investment Products [Member] Liability Driven Investment Products [Member] Liability Driven Investment Products [Member] US pension plans [Member] UK pension plans [Member] UK pension plans [Member] Defined benefit pension plan within the United Kingdom. A defined benefit pension plan is a plan that defines an amount of pension benefit to be provided, usually as a function of one or more factors such as age, years of service, or compensation. Any pension plan that is not a defined contribution pension plan is a defined benefit pension plan. Legal Entity [Axis] Legal Entity [Axis] Entity [Domain] Entity [Domain] ATD [Member] ATD [Member] ATD [Member] Amount of company contribution during the fiscal year Defined Contribution Plan, Cost Recognized Defined benefit plan health care cost trend rate assumed for next fiscal year (in hundredths) Defined Benefit Plan, Health Care Cost Trend Rate Assumed for Next Fiscal Year Ultimate health care cost trend rate (in hundredths) Defined Benefit Plan, Ultimate Health Care Cost Trend Rate Net unamortized gain (loss), before tax Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss), before Tax Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss), before Tax Net unamortized gain (loss), net of tax Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Net Unamortized Gain (Loss) Arising During Period, Net of Tax Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements Defined Benefit Pension Plan, Liabilities Noncurrent, Decrease from Remeasurement Defined Benefit Pension Plan, Liabilities Noncurrent, Decrease from Remeasurement Defined Benefit Pension Plan, Liabilities Noncurrent, Decrease from Remeasurement Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease) Defined Benefit Plan, Benefit Obligation, Period Increase (Decrease) Defined Contribution Plan, Employer Discretionary Contribution Amount Defined Contribution Plan, Employer Discretionary Contribution Amount Defined Benefit Plan, Effect of Plan Amendment on Benefit Obligation Defined Benefit Plan, Effect of Plan Amendment on Benefit Obligation The amount of increase or decrease in the projected benefit obligation related to the effects of a change in the substantive terms of an existing defined benefit pension plan or the initiation of a new plan. A plan amendment may increase or decrease benefits, including those attributed to years of service already rendered. Defined Benefit Plan, Effect of Plan Amendment on Net Periodic Benefit Cost Defined Benefit Plan, Effect of Plan Amendment on Net Periodic Benefit Cost Defined Benefit Plan, Effect of Plan Amendment on Liabilities Defined Benefit Plan, Effect of Plan Amendment on Liabilities The amount of increase or decrease in the liability recognized in the balance sheet related to the effects of a change in the substantive terms of an existing defined benefit pension plan or the initiation of a new plan. A plan amendment may increase or decrease benefits, including those attributed to years of service already rendered. Discount rate (in hundredths) Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate Defined Benefit Plan, Funded Percentage Defined Benefit Plan, Funded Percentage Contractual termination benefit Defined Benefit Plan, Cost of Providing Special or Contractual Termination Benefits Recognized During Period Defined Benefit Plan, Settlements, Benefit Obligation Defined Benefit Plan, Settlements, Benefit Obligation Defined Benefit Plan, Amortization of Net Transition Asset (Obligation) Defined Benefit Plan, Future Amortization of Transition Obligation (Asset) Estimated prior service cost (gain) amortized from accumulated other comprehensive loss into net periodic benefit cost over the next fiscal year Defined Benefit Plan, Future Amortization of Prior Service Cost (Credit) Defined Benefit Plan Percentage Of Plan Assets Made Up Of Us Pension Trust And Uk Pension Plan Assets Defined Benefit Plan Percentage Of Plan Assets Made Up Of Us Pension Trust And Uk Pension Plan Assets The percentage of total pension plan assets that are made up of US pension trust and UK pension plan assets Defined Benefit Plan, Target Plan Asset Allocations Range Minimum Defined Benefit Plan, Target Plan Asset Allocations Range Minimum Defined Contribution Pension Plans Number Of Shares Of Common Stock Included In Plan Assets Defined Contribution Pension Plans Number Of Shares Of Common Stock Included In Plan Assets The number of shares of common stock included in the defined contribution plans at the fiscal year-end. Number of plans within deferred compensation plan Number Of Plans Within Deferred Compensation Plan The number of plans within the deferred compensation plan Maximum amount of compensation that plan participant is allowed to defer of their eligible compensation (in hundreths) Deferred Compensation Arrangement Maximum Deferral Percentage The maximum amount of compensation that a plan participant is allowed to defer of their eligible compensation. The liability included in other long-term liabilities under the plan Deferred Compensation Arrangement with Individual, Recorded Liability The company's expense under the plan Deferred Compensation Arrangement with Individual, Employer Contribution Employer contribution Defined Benefit Plan, Contributions by Employer Defined Benefit Plan, Target Plan Asset Allocations Range Maximum Defined Benefit Plan, Target Plan Asset Allocations Range Maximum Statement of Comprehensive Income [Abstract] Statement [Table] Statement [Table] Statement [Line Items] Statement [Line Items] Foreign currency translation adjustments, tax benefit (expense) Other Comprehensive Income (Loss), Foreign Currency Translation Adjustment, Tax Prior service cost / (credit), tax benefit (expense) Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost (Credit), Tax Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost (Credit), Tax Amortization of transition obligation, tax benefit (expense) Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Transition (Asset) Obligation, Tax Other Comprehensive (Income) Loss, Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Transition (Asset) Obligation, Tax [extended to 2013 taxonomy] Amortization of prior service (credit) / cost, tax benefit (expense) Other Comprehensive Income (Loss), Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service (Cost) Credit, Tax Other Comprehensive Income (Loss), Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service (Cost) Credit, Tax Foreign currency exchange rate changes, tax benefit (expense) Other Comprehensive Income (Loss), Foreign Currency Translation Gain (Loss) Arising During Period, Tax Fair Value [Abstract] Fair Value [Abstract] Fair Value Fair Value Disclosures [Text Block] Schedule of Change in Accounting Estimate [Table] Schedule of Change in Accounting Estimate [Table] Change in Accounting Estimate [Line Items] Change in Accounting Estimate [Line Items] Derivative Instruments and Hedging Activities Disclosure [Abstract] Foreign Currency Derivative Instruments Derivative Instruments and Hedging Activities Disclosure [Text Block] Other Income and Expenses [Abstract] Schedule of Other Income (Expense) Schedule of Other Nonoperating Income (Expense) [Table Text Block] Shareholders' Equity [Abstract] Shareholders' Equity [Abstract] Shareholders' Equity Stockholders' Equity Note Disclosure [Text Block] Subsequent Events [Abstract] Subsequent Events Subsequent Events [Text Block] Property and Equipment Property, Plant and Equipment [Table Text Block] New Accounting Pronouncements or Change in Accounting Principle [Table] New Accounting Pronouncements or Change in Accounting Principle [Table] Adjustments for Error Corrections [Axis] Adjustments for Error Corrections [Axis] Adjustments for Error Correction [Domain] Adjustments for Error Correction [Domain] Miscellaneous errors [Member] Miscellaneous errors [Member] Pre-tax adjustments related to miscellaneous errors. Pension and Intercompany Accounting Policy Change [Member] Pension and Intercompany Accounting Policy Change [Member] Pension and Intercompany Accounting Policy Change [Member] Scenario [Axis] Scenario, Previously Reported [Member] Scenario, Previously Reported [Member] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Revenues Revenues Cost of Services Cost of Services Cost of services - specified contract charge Pre-tax charge to write down claim related assets to reflect the specified contract charges charged to cost of services Pre-tax charge to write down claim related assets to reflect the specified contract charges charged to cost of services that may include reduced deployment and development of software product, payments of incurred costs, and contract value reductions that differ materially from the contract agreement. Costs of services - settlement charge (excludes amount charged to revenue of $42) Pre-tax charge to write down claim related assets recorded as a separately itemized charge to cost of services Pre-tax charge to write down claim related assets to reflect the cash received, estimated fair value of contract extension, and previously unapplied payments, recorded as a separately itemized charge to cost of services. Selling, General and Administrative Expense Selling, General and Administrative Expense Depreciation and amortization Depreciation, Depletion and Amortization, Nonproduction Goodwill impairment Goodwill, Impairment Loss Restructuring costs Restructuring Charges Interest expense Interest Expense Interest income Interest Income, Operating Other expense (income), net Other Cost and Expense, Operating Total costs and expenses Operating Expenses Income (loss) from continuing operations before taxes Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest Taxes on income Income Tax Expense (Benefit) Income from continuing operations, net of tax Income (Loss) from Continuing Operations, Including Portion Attributable to Noncontrolling Interest Income from discontinued operations, net of taxes Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest Net income (loss) Net Income (Loss), Including Portion Attributable to Noncontrolling Interest Net income attributable to noncontrolling interest, net of tax Net Income (Loss) Attributable to Noncontrolling Interest Net income (loss) attributable to CSC common stockholders Net Income (Loss) Attributable to Parent Change in net income Change In Accounting Estimate, Reduction in Net Income Change In Accounting Estimate, Reduction in Net Income Continuing operations (in dollars per share) Income (Loss) from Continuing Operations, Per Basic Share Discontinued operations (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Basic Share Basic EPS (in dollars per share) Earnings Per Share, Basic Continuing operations (in dollars per share) Income (Loss) from Continuing Operations, Per Diluted Share Discontinued operations (in dollars per share) Income (Loss) from Discontinued Operations and Disposal of Discontinued Operations, Net of Tax, Per Diluted Share Diluted EPS (in dollars per share) Earnings Per Share, Diluted Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs, by Report Line [Axis] Income Statement Location [Axis] Employee Service Share-based Compensation, Allocation of Recognized Period Costs, Report Line [Domain] Income Statement Location [Domain] NHS contract [Member] NHS contract [Member] NHS contract [Member] Business Segments [Axis] Segments [Axis] Segment [Domain] Segments [Domain] Change in Accounting Estimate by Type [Axis] Change in Accounting Estimate by Type [Axis] Change in Accounting Estimate, Type [Domain] Change in Accounting Estimate, Type [Domain] Contracts Accounted for under Percentage of Completion, U.S. Claims [Member] Contracts Accounted for under Percentage of Completion, U.S. Claims [Member] Contracts Accounted for under Percentage of Completion, U.S. Claims [Member] Gross favorable Gross Change In Pretax Earnings Due To Change In Estimate, Favorable Gross Change In Pretax Earnings Due To Change In Estimate, Favorable Gross unfavorable Gross Change In Pretax Earnings Due To Change In Estimate, Unfavorable Gross Change In Pretax Earnings Due To Change In Estimate, Unfavorable Total net adjustments, before taxes and noncontrolling interests (1) Net Increase Decrease In Pretax Earnings Due To Change In Estimate Net increase (decrease) in pre-tax earnings due to changes in estimated profitability on contracts. Revisions to estimates at completion are reflected in results of operations as a change in accounting estimate in the period in which the facts that give rise to the revision become known to management. Impact on diluted EPS from continuing operations Impact on Diluted Earnings Per Share form Continuing Operations Impact on Diluted Earnings Per Share form Continuing Operations Change in accounting estimate, reduction in operating income Change In Accounting Estimate, Reduction in Operating Income Change In Accounting Estimate, Reduction in Operating Income Receivables [Abstract] Receivables Loans, Notes, Trade and Other Receivables Disclosure [Text Block] Out of period adjustments [Abstract] Out of period adjustments [Abstract] Investigations and out of period adjustments Schedule of Quantifying Prior Year Misstatements Corrected in Current Year Financial Statements [Table Text Block] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Schedule of Accounts, Notes, Loans and Financing Receivable [Table] Accounts, Notes, Loans and Financing Receivable by Billing Status, Type [Axis] Billing Status, Type [Axis] Receivables Billing Status [Domain] Receivables Billing Status [Domain] Billed trade accounts [Member] Billed Revenues [Member] Unbilled recoverable amounts under contracts in progress [Member] Unbilled Revenues [Member] Other receivables [Member] Other receivables [Member] Other receivables Accounts, Notes, Loans and Financing Receivable [Line Items] Accounts, Notes, Loans and Financing Receivable [Line Items] Receivables, net Receivables, Net, Current Unbilled recoverable amounts primarily from governments that are expected to be collected after one year Unbilled recoverable amounts primarily from governments that are expected to be collected after one year Amounts included in unbilled accounts receivable, primarily from US and other governments, that are expected to be collected after one year. Schedule of Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Axis] Property, Plant and Equipment, Type [Domain] Property, Plant and Equipment, Type [Domain] Land, buildings and leasehold improvements Land, Buildings and Improvements [Member] Computers and related equipment Computer Equipment [Member] Furniture and other equipment Furniture and Fixtures [Member] Construction in progress Construction in Progress [Member] Property, Plant and Equipment [Line Items] Property, Plant and Equipment [Line Items] Property and equipment—at cost Property, Plant and Equipment, Gross Less: accumulated depreciation and amortization Accumulated Depreciation, Depletion and Amortization, Property, Plant, and Equipment Property and equipment, net of accumulated depreciation of $3,620 (2014) and $3,467 (2013) Property, Plant and Equipment, Net Depreciation expense Depreciation Tangible asset impairment charges Tangible Asset Impairment Charges Valuation and Qualifying Accounts [Abstract] 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] Allowance for Doubtful Accounts [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, beginning of period Valuation Allowances and Reserves, Balance Charged to cost and expenses Valuation Allowances and Reserves, Charged to Cost and Expense Other Valuation Allowances And Reserves Other Total of the deductions in a given period to allowances and reserves, the valuation and qualifying accounts that are either netted against the cost of an asset (in order to value it at its carrying value) or that reflect a liability established to represent expected future costs, representing balances from acquisitions, changes in balances due to foreign currency exchange rates and recovery of prior-year charges. Deductions Valuation Allowances and Reserves, Deductions Balance, end of period Consolidated Condensed Statements of Income Parentheticals [Abstract] Consolidated Condensed Statements of Income Parentheticals [Abstract] Restructuring Charges excluded from COS Other Cost of Services Settlement charge (amount charged to revenue) Settlement charge charged to revenue and excluded from Cost of services Pre-tax charge to write down claim related assets to reflect the cash received, estimated fair value of contract extension, and previously unapplied payments, recorded as a separately itemized charge to revenue. Restructuring Charges excluded from SGA Other Restructuring Costs Schedule of Quantifying Prior Year Misstatement Corrected in Current Year Financial Statements [Table] Schedule of Quantifying Prior Year Misstatement Corrected in Current Year Financial Statements [Table] Australia [Member] Australia [Member] The designated tax department of Australia entitled to levy and collect income taxes from the entity outside its country of domicile. Segment Business Segment Operations [Axis] Segment Business Segment Operations [Axis] b94917f2-35b1-f030-ba28-cb00c74f6359 Segment Business Operations [Domain] Segment Business Operations [Domain] 3d35df3d-2ae3-1af9-81cd-cb00e330eacc Quantifying Misstatement in Current Year Financial Statements by Period of Misstatement [Axis] Quantifying Misstatement in Current Year Financial Statements by Period of Misstatement [Axis] Reflects the cumulative financial effect in the current period of a prior period misstatement, by period of misstatement. Period of Misstatement [Domain] Period of Misstatement [Domain] The financial period(s) in which the original misstatement was made. Fiscal 2013 Adjustments Adjustments Relating to Fiscal 2013 [Member] Adjustments Relating to Fiscal 2013 [Member] Fiscal 2012 Adjustments Adjustments Relating to Fiscal 2012 [Member] Adjustments Relating to Fiscal 2012 [Member] Adjustments relating to fiscal years prior to 2010 Adjustments relating to fiscal years prior to 2011 [Member] Adjustments relating to fiscal years prior to 2011 [Member] Nature of Error [Axis] Nature of Error [Axis] Nature of Error [Domain] Nature of Error [Domain] Other errors Other errors [Member] Pre-tax adjustments related to other errors, which include both unintentional errors and errors for which the categorization is unclear. Quantifying Misstatement in Current Year Financial Statements [Line Items] Quantifying Misstatement in Current Year Financial Statements [Line Items] Adjustments to reconcile net income (loss) 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 Pension & OPEB actuarial (gain) loss Pension and Other Postretirement Benefit Expense Specified contract charge Pre Tax Charge To Write Down Claim Related Assets To Reflect Specified Contract Charges Charged To Cost Of Services And Revenue Pre-tax charge to write down claim related assets to reflect the specified contract charges charged to cost of services and revenue that may include reduced deployment and development of software product, payments of incurred costs, and contract value reductions that differ materially from the contract agreement. Settlement charge Pre Tax Charge To Write Down Claim Related Assets Recorded As Separately Itemized Charge To Cost Of Services And Revenue Pre Tax Charge To Write Down Claim Related Assets Recorded As Separately Itemized Charge To Cost Of Services And Revenue Share-based Compensation Share-based Compensation Deferred taxes Deferred Income Tax Expense (Benefit) (Gain) loss on dispositions Gain (Loss) on Disposition of Property Plant Equipment Provision for losses on accounts receivable Provision for Loan, Lease, and Other Losses Excess tax benefit from stock based compensation Excess Tax Benefit from Share-based Compensation, Operating Activities Unrealized foreign currency exchange gain Foreign Currency Transaction Gain (Loss), Unrealized Impairment losses and contract write-offs Impairment losses and contract writeoffs Impairment losses and contract writeoffs. Cash surrender value in excess of premiums paid Cash surrender value in excess of premiums paid Cash surrender value in excess of premiums paid Other non-cash charges, net Other Noncash Income (Expense) Changes in assets and liabilities, net of effects of acquisitions and dispositions: Increase (Decrease) in Operating Capital [Abstract] Decrease in receivables Increase (Decrease) in Receivables (Increase) decrease in prepaid expenses and other current assets Increase (Decrease) in Prepaid Expense and Other Assets Decrease in accounts payable and accrued expenses Increase (Decrease) in Accounts Payable and Accrued Liabilities Increase (decrease) in income taxes payable and income tax liability Increase (Decrease) in Income Taxes Payable Increase (decrease) in advanced contract payments and deferred revenue Increase (Decrease) in Deferred Revenue Other operating activities, net Increase (Decrease) in Other Operating Assets and Liabilities, Net Net cash provided by operating activities Net Cash Provided by (Used in) Operating Activities Cash flows from investing activities: Net Cash Provided by (Used in) Investing Activities [Abstract] Purchases of property and equipment Payments to Acquire Property, Plant, and Equipment Payments for outsourcing contract costs Payments to Acquire Intangible Assets Payments for acquisitions, net of cash acquired Payments to Acquire Businesses, Net of Cash Acquired Proceeds from business dispositions Proceeds from Divestiture of Businesses, Net of Cash Divested Software purchased and developed Payments to Acquire Software Proceeds from sale of property and equipment Proceeds from Sale of Property, Plant, and Equipment Other investing activities, net Payments for (Proceeds from) Other Investing Activities Net cash (used in) provided by investing activities Net Cash Provided by (Used in) Investing Activities Cash flows from financing activities: Net Cash Provided by (Used in) Financing Activities [Abstract] Borrowings under lines of credit and short-term debt Proceeds from Lines of Credit Repayment of borrowings under lines of credit Repayments of Lines of Credit Borrowing on long-term debt, net of discount Proceeds from Issuance of Long-term Debt and Capital Securities, Net Principal payments on long-term debt Repayments of Long-term Debt Proceeds from stock options and other common stock transactions Proceeds from Issuance or Sale of Equity Excess tax benefit from stock based compensation Excess Tax Benefit from Share-based Compensation, Financing Activities Repurchase of common stock and acquisition of treasury stock Payments for Repurchase of Equity Dividend payments Payments of Dividends Payment of contingent consideration Business Combination, Contingent Consideration Arrangements, Change in Amount of Contingent Consideration, Liability Other financing activities, net Proceeds from (Payments for) Other Financing Activities Net Cash Provided by (Used in) Financing Activities Net Cash Provided by (Used in) Financing Activities Effect of exchange rate changes on cash and cash equivalents Effect of Exchange Rate on Cash and Cash Equivalents Net increase (decrease) in cash and cash equivalents Cash and Cash Equivalents, Period Increase (Decrease) Cash and cash equivalents at beginning of year Cash and Cash Equivalents, at Carrying Value Cash and cash equivalents at end of year Schedule of Assets Acquired By Debt [Table] Schedule of Assets Acquired By Debt [Table] Schedule of Assets Acquired By Debt [Table] Debt Instrument [Axis] Debt Instrument [Axis] Debt Instrument, Name [Domain] Debt Instrument, Name [Domain] Four-year term loan credit facility [Member] Four Year Unsecured Credit Facility [Member] Four Year Unsecured Credit Facility [Member] Long-term Debt, Type [Axis] Long-term Debt, Type [Axis] Long-term Debt, Type [Domain] Long-term Debt, Type [Domain] Borrowings for Assets Acquired Under Long-term Financing [Member] Borrowings for Assets Acquired Under Long-term Financing [Member] Certain asset purchases under outsourcing contracts were financed by borrowing from customers. Outsourcing contract costs Outsourcing Contract Costs [Member] Costs incurred upon initiation of an outsourcing contract that are deferred and expensed over the contract life. These costs represent incremental external costs or certain specific internal costs that are directly related to the contract acquisition or transition activities. The primary types of costs that may be capitalized include labor and related fringe benefits, subcontractor costs, travel costs, and premiums on asset purchases. Acquired Assets by Major Class [Axis] Acquired Assets by Major Class [Axis] The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table. Acquired Assets, Major Class Name [Domain] Acquired Assets, Major Class Name [Domain] The major class of assets composed of assets that can be grouped together because they were acquired by a certain identifiable debt transaction. Property and equipment [Member] Property and equipment [Member] Long-lived, physical assets, classified as property and equipment, that are used in the normal conduct of business to produce goods and services and not intended for resale. Software Computer Software, Intangible Asset [Member] Contract premium costs [Member] Contract premium costs [Member] Certain contract premium costs under outsourcing contracts were financed by borrowing from customers. Other assets acquired [Member] Other assets acquired [Member] Certain other asset purchases under outsourcing contracts were financed by borrowing from customers. Range [Axis] Range [Axis] Range [Domain] Range [Domain] Minimum Minimum [Member] Maximum Maximum [Member] Schedule of Assets Acquired By Debt [Line Items] Schedule of Assets Acquired By Debt [Line Items] Schedule of Assets Acquired By Debt [Line Items] Expected maturity of debt in years Expected maturity of debt in years Expected maturity for debt for the reporting period. Weighted average rate of interest (in hundredths) Long-term Debt, Weighted Average Interest Rate Purchased assets financed by borrowing from customers under outsourcing contracts Purchased assets financed by borrowing from customers under outsourcing contracts Purchased assets financed by borrowing from customers under outsourcing contracts. Income Taxes [Abstract] Income Taxes [Abstract] Sources of income before income taxes classified between domestic and foreign entities Sources Of Income Before Income Taxes Classified Between Domestic And Foreign Entities [Table Text Block] Sources Of Income Before Income Taxes Classified Between Domestic And Foreign Entities [Table Text Block] Components of the income tax provision Components Of Income Tax Provision [Table Text Block] Components Of Income Tax Provision [Table Text Block] Federal statutory tax rate to effective tax rate reconciliation Federal Statutory Tax Rate To Effective Tax Rate Reconciliation [Table Text Block] Federal Statutory Tax Rate To Effective Tax Rate Reconciliation [Table Text Block] Components of deferred tax assets and liabilities Components Of Deferred Tax Assets And Liabilities [Table Text Block] Components Of Deferred Tax Assets And Liabilities [Table Text Block] Balance of uncertain tax positions (excluding interest and penalties and related tax carryforwards) Summary of Income Tax Contingencies [Table Text Block] Tax Examination Status Summary of Income Tax Examinations [Table Text Block] Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Schedule of Deferred Tax Assets and Liabilities [Table Text Block] Earnings Per Share [Abstract] Earnings Per Share [Text Block] Earnings Per Share [Text Block] Pension and other benefit plans Pension and Other Postretirement Benefits Disclosure [Text Block] Statement of Financial Position [Abstract] 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] Current assets: Assets, Current [Abstract] Allowance for doubtful accounts Allowance for Doubtful Accounts Receivable, Current Intangible and other assets: Intangible And Other Assets [Abstract] Intangible And Other Assets [Abstract] Accumulated amortization Finite-Lived Intangible Assets, Accumulated Amortization CSC stockholders' equity: Equity [Abstract] Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share Common stock, authorized (in shares) Common Stock, Shares Authorized Common stock, issued (in shares) Common Stock, Shares, Issued Preferred stock, par value (in dollars per share) Preferred Stock, Par or Stated Value Per Share Preferred stock, authorized (in shares) Preferred Stock, Shares Authorized Preferred stock, shares issued (in shares) Preferred Stock, Shares Issued Common stock in treasury, at cost (in shares) Treasury Stock, Shares Intangible Assets [Abstract] Intangible Assets [Abstract] Intangible Assets Intangible Assets Disclosure [Text Block] Capital Lease Obligations [Abstract] Capital Lease Obligations [Abstract] 2014 Capital Leases, Future Minimum Payments Due, Next Twelve Months 2015 Capital Leases, Future Minimum Payments Due in Two Years 2016 Capital Leases, Future Minimum Payments Due in Three Years 2017 Capital Leases, Future Minimum Payments Due in Four Years 2018 Capital Leases, Future Minimum Payments Due in Five Years Thereafter Capital Leases, Future Minimum Payments Due Thereafter Total minimum lease payments Capital Leases, Future Minimum Payments Due Less: Amount representing interest Capital Leases, Future Minimum Payments, Interest Included in Payments Present value of net minimum lease payments Capital Leases, Future Minimum Payments, Present Value of Net Minimum Payments Less: Current maturities of capital lease obligations Capital Lease Obligations, Current Long-term capitalized lease liabilities Capital Lease Obligations, Noncurrent NPS Contract [Member] NPS Contract [Member] NPS Contract [Member] Quantifying Misstatement in Current Year Financial Statements by Period of Record [Axis] Quantifying Misstatement in Current Year Financial Statements by Period of Record [Axis] Reflects the cumulative financial effect in the current period of a prior period misstatement, by period in which the adjustment was recorded. Period of Record [Domain] Period of Record [Domain] The financial period(s) in which the adjustments were recorded. Fiscal 2012 Adjustments Recorded in fiscal 2012 [Member] Adjustments Recorded in fiscal 2012 [Member] Income from continuing operations, net of tax Income (Loss) from Continuing Operations Attributable to Parent Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Income (Loss) from Continuing Operations before Income Taxes, Extraordinary Items, Noncontrolling Interest Taxes on income Other Income Tax Benefit Adjustments Other Income Tax Benefit Adjustments The amount of the current year income tax benefit that is not related to the pre-tax adjustments related to misstatements in prior fiscal periods. Cash Flow Supplemental Disclosure [Table] Cash Flow Supplemental Disclosure [Table] Cash Flow Supplemental Disclosure [Table] Class of Stock [Axis] Class of Stock [Axis] Class of Stock [Domain] Class of Stock [Domain] Common Class A [Member] Common Class A [Member] Stock repurchase category [Axis] Stock repurchase category [Axis] All categories of stock repurchases made by the company under various programs for its classes of stock. Stock repurchase category types [Domain] Stock repurchase category types [Domain] Specific categories of stock repurchases made by the company under various programs for its classes of stock. December 2010 Share Repurchase Program [Member] December 2010 Share Repurchase Program [Member] Share repurchase program authorized by the board of directors in December 2010. Accrued Liabilities [Member] Accrued Liabilities [Member] Cash Flow Supplemental Disclosure [Line Items] Cash Flow Supplemental Disclosure [Line Items] Cash Flow Supplemental Disclosure [Line Items] Cash payments for interest and income taxes [Abstract] Cash payments for interest and income taxes [Abstract] Cash payments for interest and income taxes [Abstract] Interest Interest Paid Taxes on income, net of refunds Income Taxes Paid, Net Noncash Investing Activities [Abstract] Cash Flow, Noncash Investing and Financing Activities Disclosure [Abstract] Capital expenditures in accounts payable and accrued expenses Capital Expenditures Incurred but Not yet Paid Capital expenditures through capital lease obligations Capital Lease Obligations Incurred Assets acquired under long-term financing Noncash or Part Noncash Acquisition, Value of Assets Acquired Common share dividends declared but not yet paid Dividends Payable Stock Repurchased During Period, Value Stock Repurchased During Period, Value Statement of Stockholders' Equity [Abstract] Equity Components [Axis] Equity Components [Axis] Equity Component [Domain] Equity Component [Domain] Common Stock [Member] Common Stock [Member] Additional Paid-In Capital [Member] Additional Paid-in Capital [Member] Common Stock in Treasury [Member] Treasury Stock [Member] Total CSC Equity [Member] Parent [Member] Increase (Decrease) in Stockholders' Equity [Roll Forward] Increase (Decrease) in Stockholders' Equity [Roll Forward] Balance (in shares) Shares, Issued Balance Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest Net income (loss) Total other comprehensive income gain, Net of Tax Other Comprehensive Income (Loss), Net of Tax Stock-based compensation expense Allocated Share-based Compensation Expense Acquisition of treasury stock Treasury Stock, Value, Acquired, Cost Method Repurchase of common stock (in shares) Stock Repurchased and Retired During Period, Shares Repurchase of common stock Stock Repurchased and Retired During Period, Value Stock option exercises and other common stock transactions (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period Stock option exercises and other common stock transactions Stock Issued During Period, Value, Stock Options Exercised Cash dividends declared Dividends, Common Stock, Cash Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, before Tax Noncontrolling interest distributions and other Noncontrolling Interest, Decrease from Distributions to Noncontrolling Interest Holders Balance (in shares) Balance Settlement of Claims with U.S. Government [Abstract] f2426e39-f7a6-0f08-b235-cb00ad9daa6c Cash received under definitive settlement agreement with the U.S. Government in its contract claims asserted under the Contract Disputes Act of 1978 Proceeds from Legal Settlements Contract extension received under definitive settlement agreement with the U.S. Government in its contract claims asserted under the Contract Disputes Act of 1978 (in years) Contract extension received Extension of a contract received which may be expressed in a variety of ways (for example, years, months). Contract extension received under definitive settlement agreement with the U.S. Government in its contract claims asserted under the Contract Disputes Act of 1978, base years (in years) Contract extension, base years The base years of contract extension which may be expressed in a variety of ways (for example, years, months). Contract extension received under definitive settlement agreement with the U.S. Government in its contract claims asserted under the Contract Disputes Act of 1978, optional year (in years) Contract extension received optional year The optional years received on a contract extension which may be expressed in a variety of ways (for example, years, months). Estimated value of contract extension Estimated value of contract extension The estimated value of the contract extension received. Total pre-tax charge to write down claim related assets Pre-tax charge to write down claim related assets Pre-tax charge to write down claim related assets to reflect the cash received, estimated fair value of contract extension, and previously unapplied payments. Amount unbilled of accounts receivable related to claims filed Claim related unbilled receivables Amounts of accounts receivable subject to claims filed against US Federal Government. Amount of deferred costs related to claims filed Claim related deferred costs Total cost of deferred costs subject to claims filed against US Federal Government. Estimated fair value of the contract extension Estimated fair value of the contract extension The estimated fair value of the contract extension received. Previously unapplied payments on claim related assets Previously unapplied payments Payments that had not been applied to the respective claim related assets. Pre-tax charge to write down claim related assets recorded as a reduction of revenue Pre-tax charge to write down claim related assets recorded as a reduction of revenue Pre-tax charge to write down claim related assets to reflect the cash received, estimated fair value of contract extension, and previously unapplied payments, recorded as a reduction of revenue. Pre-tax charge to write down claim related assets recorded as a separately itemized charge to cost of services Fair value of the contract extension, amortization period (in years) Fair value of the contract extension, amortization period The period over which the fair value of the contract extension will be amortized which may be expressed in a variety of ways (for example, years, months). Term of original contract awarded (in years) Term of original contract awarded The term of original contract awarded to the company which may be expressed in a variety of ways (for example, years, months). Extension granted to term of original contract awarded (in years) Extension granted to term of original contract awarded The extension granted to term of original contract awarded to the company. Number of claims outstanding against Federal Government (in claims) Number Of Claims Outstanding The number of interest bearing claims still unsettled at balance sheet date. Original amount of claims filed, against US Federal Government Original Amount Of Claims Original amount of claims, when filed. Amended claim amount of reduction gross Amended Claim Amount Of Reduction Gross This element represents the gross amount of reduction included in an amended claim filed with Armed Services Board of Contracts Appeals (ASBCA) during the period. Number of claims asserted against the U.S. Federal Government under a single contract pending before the Armed Services Board of Contracts Appeals Number of claims asserted The number of claims asserted as of the reporting period. Total amount of claims outstanding, excluding unknown, against US Federal Government Approximate value of claims asserted The approximate value of claims asserted against the U.S Federal Government under a single contract pending before the Armed Services Board of Contracts Appeals ("ASBCA"). Defined Benefit Pension Plan Accounting Policy Changes New Accounting Pronouncements and Changes in Accounting Principles [Text Block] Fair Value, by Balance Sheet Grouping [Table] Fair Value, by Balance Sheet Grouping [Table] Measurement Frequency [Axis] Measurement Frequency [Axis] Fair Value, Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Carrying value [Member] Reported Value Measurement [Member] Fair value [Member] Estimate of Fair Value Measurement [Member] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items] Long-term debt, net of current maturities Long-term Debt, Excluding Current Maturities Accounts receivable with customers involved in bankruptcy proceedings Accounts Receivable With Customers Involved In Bankruptcy Proceedings Balance of accounts receivable held by the company with customers that are involved in bankruptcy proceedings. Allowance for doubtful accounts with customers involved in bankruptcy proceedings Allowance For Doubtful Accounts With Customers Involved In Bankruptcy Proceedings Allowance for doubtful accounts related to accounts receivable held by the company with customers that are involved in bankruptcy proceedings. Other assets with customers in bankruptcy proceedings Other assets with customers in bankruptcy proceedings Other assets with customers in bankruptcy proceedings Accounts Payable with Customers in Bankruptcy Proceedings Accounts Payable with Customers in Bankruptcy Proceedings Accounts Payable with Customers in Bankruptcy Proceedings Acquisitions and Divestitures [Abstract] 334ccc31-3c00-8c17-83c2-cb00d2d5fc93 Acquisitions and Divestitures Acquisitions and Divestitures Disclosure [Text Block] The entire disclosure for acquisitions and divestitures. Settlement of Claims with U.S. Government Settlement of Claims with U.S. Government [Text Block] The entire disclosure related to settlement of claims with the U.S. Government. Goodwill [Abstract] Goodwill [Abstract] Goodwill Goodwill Disclosure [Text Block] Fiscal 2014 Adjustments Recorded During Fiscal 2014 [Member] Adjustments Recorded During Fiscal 2014 [Member] Fiscal 2013 Adjustments recorded during fiscal 2013 [Member] Adjustments recorded during fiscal 2013 [Member] Fiscal 2014 Adjustments Adjustments Relating To Prior Fiscal Years [Member] Adjustments Relating To Prior Fiscal Years [Member] GBS Segment [Member] GBS Segment [Member] GBS Segment [Member] GIS Segment [Member] GIS Segment [Member] GIS Segment [Member] NPS [Member] NPS [Member] The North American Public (NPS) segment operates principally within a regulatory environment subject to governmental contracting and accounting requirements, including Federal Acquisition Regulations, Cost Accounting Standards and audits by various U.S. federal agencies. Miscellaneous errors [Member] Discrete Tax Benefits Discrete Tax Benefits [Member] Discrete Tax Benefits [Member] Adjustments Decrease [Member] Adjustments Decrease [Member] Figures that are adjustments which have an decrease impact. Adjustments Increase [Member] Adjustments Increase [Member] Figures that are adjustments which have an increase impact. Adjustment Increase/(Decrease) Scenario, Adjustment [Member] Change in operating income Earnings Per Share, Diluted Penalty related to SEC settlement Loss Contingency, Damages Paid, Value Settlement expense recorded Litigation Settlement, Amount Cumulative Quantifying Misstatement Effect of Correction Tax Cumulative Quantifying Misstatement Effect of Correction Tax Cumulative Quantifying Misstatement Effect of Correction Tax Cumulative effect on income (loss) from continuing opertaions, pre tax Cumulative Quantifying Misstatement in Current Year Financial Statements, Amount Cumulative Quantifying Misstatement in Current Year Financial Statements, Amount Discontinued Operation, Tax Effect of Discontinued Operation Discontinued Operation, Tax Effect of Discontinued Operation Unrecognized Tax Benefits, Period Increase (Decrease) Unrecognized Tax Benefits, Period Increase (Decrease) Accounts receivable Accounts receivable Accounts receivable Prepaid expenses and other current assets Prepaid Expenses and Other Current Assets Sum of the amounts paid in advance for capitalized costs which will be expensed with the passage of time or the occurrence of a triggering event; and, the aggregate carrying amount, as of the balance sheet date, of current assets not separately disclosed in the balance sheet due to materiality considerations. Prepaid expenses and current assets are expected to be realized or consumed within one year (or the normal operating cycle, if longer). Capitalized Computer Software, Period Increase (Decrease) Capitalized Computer Software, Period Increase (Decrease) Period Increase (Decrease) in Outsourcing Contract Costs Period Increase (Decrease) in Outsourcing Contract Costs Period Increase (Decrease) in Outsourcing Contract Costs Increase (Decrease) in Other Noncurrent Assets Increase (Decrease) in Other Noncurrent Assets Property and equipment Property and equipment Property and equipment Increase (Decrease) in Employee Related Liabilities Increase (Decrease) in Employee Related Liabilities Accrued expenses Accrued Liabilities, Current Schedule of Business Acquisitions, by Acquisition [Table Text Block] Schedule of Business Acquisitions, by Acquisition [Table Text Block] Schedule of Recognized Identified Assets Acquired and Liabilities Assumed Schedule of Recognized Identified Assets Acquired and Liabilities Assumed [Table Text Block] Depreciation And Amortization Schedule Of Estimated Useful Lives By Asset [Table Text Block] Depreciation And Amortization Schedule Of Estimated Useful Lives By Asset [Table Text Block] Schedule of the periods of time over which an entity anticipates to receive utility from its property, plant and equipment (that is, the periods of time over which an entity allocates the initial cost of its property, plant and equipment) and the finite-lived intangible assets. Pro Forma Information Business Acquisition, Pro Forma Information [Table Text Block] Intangible Assets Acquired Schedule of Finite-Lived Intangible Assets Acquired as Part of Business Combination [Table Text Block] Subsequent Event [Table] Subsequent Event [Table] Subsequent Event [Line Items] Subsequent Event [Line Items] Dividend Rate Increase Common Stock, Dividend Rate, Period Increase (Decrease), Percent Common Stock, Dividend Rate, Period Increase (Decrease), Percent Cash dividend per common share (in dollars per share) Common Stock, Dividends, Per Share, Declared Share Repurchase Program, Authorized Amount Stock Repurchase Program, Authorized Amount Discontinued operations [Abstract] Discontinued operations [Abstract] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Table] Disposal Group Name [Axis] Disposal Group Name [Axis] Disposal Group Name [Domain] Disposal Groups, Including Discontinued Operations, Name [Domain] European Healthcare [Member] European Healthcare [Member] European Healthcare [Member] NPS Applied Technology Division [Member] NPS Applied Technology Division [Member] NPS Applied Technology Division [Member] Flood-Insurance-Related Business Process Outsourcing Practice [Member] Flood-Insurance-Related Business Process Outsourcing Practice [Member] Flood-Insurance-Related Business Process Outsourcing Practice [Member] CSC Credit Services, Enterprise System Integration Businessa and CSC Italia [Member] CSC Credit Services, Enterprise System Integration Businessa and CSC Italia [Member] CSC Credit Services, Enterprise System Integration Businessa and CSC Italia [Member] CSC Credit Services [Member] CSC Credit Services [Member] CSC Credit Services [Member] Enterprise System Integration Business [Member] Enterprise System Integration Business [Member] Enterprise System Integration Business [Member] CSC Italia [Member] CSC Italia [Member] CSC Italia [Member] Paxus [Member] Paxus [Member] Paxus [Member] European GBS - IS&S [Member] European GBS - IS&S [Member] European GBS - IS&S [Member] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] Amount of cash consideration received Proceeds from Divestiture of Businesses Discontinued Operation, Intercompany Amounts with Discontinued Operation before Disposal Transaction, Costs Discontinued Operation, Intercompany Amounts with Discontinued Operation before Disposal Transaction, Costs Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents Disposal Group, Including Discontinued Operation, Cash and Cash Equivalents Discontinued Operations, Proceeds from Divestirure of Business, Purchase Price Adjustment Discontinued Operations, Proceeds from Divestiture of Business, Purchase Price Adjustment Discontinued Operations, Proceeds from Divestiture of Business, Purchase Price Adjustment Accounts Receivable, Net, Current Accounts Receivable, Net, Current Number of Divestitures in Period Number of Divestitures in Period Represents the number of entities divested during the period. Disposal Group, Including Discontinued Operations, Transaction Costs Disposal Group, Including Discontinued Operations, Transaction Costs Amount of direct costs of the business divestiture including legal, accounting, and other costs incurred to consummate the sale of business. Assets of Disposal Group, Including Discontinued Operation, Current Disposal Group, Including Discontinued Operation, Assets, Current Disposal Group, Including Discontinued Operation, Long Lived Assets Disposal Group, Including Discontinued Operation, Long Lived Assets Disposal Group, Including Discontinued Operation, Goodwill Disposal Group, Including Discontinued Operation, Goodwill Liabilities of Disposal Group, Including Discontinued Operation Disposal Group, Including Discontinued Operation, Liabilities Disposal Group, Including Discontinued Operations, Equity of Disposal Group Disposal Group, Including Discontinued Operations, Equity of Disposal Group Disposal Group, Including Discontinued Operations, Equity of Disposal Group Deductions Goodwill Total Deductions Total of write-off of the carrying amount of goodwill associated with all or a portion of a reporting unit that is sold in the period and other increases or decreases during the reporting period in the carrying value of goodwill that are not separately disclosed. Consideration of divested assets Consideration Of Divested Business Represents the amount of consideration related to the divestiture of an immaterial business. Noncash or Part Noncash Divestiture, Amount of Consideration Received Noncash or Part Noncash Divestiture, Amount of Consideration Received Pre-tax gain from divestiture Disposal Group, Not Discontinued Operation, Gain (Loss) on Disposal Operations [Abstract] Operations [Abstract] Operations [Abstract] Revenue Discontinued Operation Revenue From Discontinued Operation During Phase Out Period Revenues from operations of a business component during the reporting period until its disposal. Income from discontinued operations, before taxes Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, before Income Tax Taxes on income Discontinued Operation, Tax Effect of Income (Loss) from Discontinued Operation During Phase-out Period Net income from discontinued operations Discontinued Operation, Income (Loss) from Discontinued Operation During Phase-out Period, Net of Tax Disposal [Abstract] Disposal [Abstract] Disposal [Abstract] (Loss) gain on disposition, before taxes Discontinued Operation, Gain (Loss) from Disposal of Discontinued Operation, before Income Tax Taxes on income Discontinued Operation, Tax Effect of Income (Loss) from Disposal of Discontinued Operation Gain (loss) on disposition, net of taxes Discontinued Operation, Gain (Loss) on Disposal of Discontinued Operation, Net of Tax Income from discontinued operations, net of taxes Disposal Group, Including Discontinued Operation, Other Noncurrent Assets Disposal Group, Including Discontinued Operation, Other Assets, Noncurrent Disposal Group, Including Discontinued Operation, Other Current Liabilities Disposal Group, Including Discontinued Operation, Other Liabilities, Current Liabilities of Disposal Group, Including Discontinued Operation, Current Disposal Group, Including Discontinued Operation, Liabilities, Current Liabilities of Disposal Group, Including Discontinued Operation, Noncurrent Disposal Group, Including Discontinued Operation, Liabilities, Noncurrent Discontinued Operations, Proceeds from Divestiture of Business, Working Capital Adjustment Discontinued Operations, Proceeds from Divestiture of Business, Working Capital Adjustment Discontinued Operations, Proceeds from Divestiture of Business, Working Capital Adjustment Discontinued Operation, Amount of Reduction to Prior Gain Discontinued Operation, Amount of Adjustment to Prior Period Gain (Loss) on Disposal, before Income Tax Income Tax Contingency [Table] Income Tax Contingency [Table] Restructuring Type [Axis] Restructuring Type [Axis] Type of Restructuring [Domain] Type of Restructuring [Domain] Restructuring of Operating Subsidiary [Member] Other Restructuring [Member] Valuation Allowance by Deferred Tax Asset [Axis] Valuation Allowance by Deferred Tax Asset [Axis] Deferred Tax Asset [Domain] Deferred Tax Asset [Domain] Transfer Pricing and Foreign Exchange Losses [Member] Transfer Pricing and Foreign Income Inclusions and Exchange Losses [Member] Transfer Pricing and Foreign Income Inclusions and Exchange Losses [Member] Global Health [Member] Global Health [Member] Global Health [Member] Investment Recoveries, Luxemburg [Member] Investment Recoveries [Member] Investment Recoveries [Member] Foreign Tax Rate Differential [Member] Foreign Tax Rate Differential [Member] Foreign Tax Rate Differential [Member] INDIA INDIA Income Tax Authority [Axis] Income Tax Authority [Axis] Income Tax Authority [Domain] Income Tax Authority [Domain] Foreign Tax Authority Foreign Tax Authority [Member] Internal Revenue Service (IRS) [Member] Internal Revenue Service (IRS) [Member] Income Tax Contingency [Line Items] Income Tax Contingency [Line Items] Sources of income before income taxes [Abstract] Income (Loss) from Continuing Operations before Equity Method Investments, Income Taxes, Extraordinary Items, Noncontrolling Interest [Abstract] Domestic entities Income (Loss) from Continuing Operations before Income Taxes, Domestic Entities outside the United States Income (Loss) from Continuing Operations before Income Taxes, Foreign Income (loss) from continuing operations before taxes Income tax expense (benefit) on income from continuing operations, current [Abstract] Current Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Current Federal Tax Expense (Benefit) State Current State and Local Tax Expense (Benefit) Foreign Current Foreign Tax Expense (Benefit) Total Current Current Income Tax Expense (Benefit) Income tax expense (benefit) on income from continuing operations, deferred [Abstract] Deferred Income Tax Expense (Benefit), Continuing Operations [Abstract] Federal Deferred Federal Income Tax Expense (Benefit) State Deferred State and Local Income Tax Expense (Benefit) Foreign Deferred Foreign Income Tax Expense (Benefit) Total Deferred Total income tax expense (benefit) Interest and penalties for uncertain tax positions included in current provision (benefit) Income Tax Examination, Penalties and Interest Expense Difference between the U.S. federal statutory tax rate and effective tax rate [Abstract] Effective Income Tax Rate Reconciliation, Percent [Abstract] Statutory rate (in hundredths) Effective Income Tax Rate Reconciliation, at Federal Statutory Income Tax Rate, Percent State income tax, net of federal tax (in hundredths) Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent Change in uncertain tax positions (in hundredths) Effective Income Tax Rate Change In Uncertain Tax Positions The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the change in uncertain tax positions recorded during the period. Foreign tax rate differential (in hundredths) Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent Income tax credits (in hundredths) Effective Income Tax Rate Reconciliation, Tax Credit, Percent Valuation allowance (in hundredths) Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Percent Change in entity tax status (in hundredths) Effective Income Tax Rate Reconciliation, Entity Conversion Impact, Percent Effective Income Tax Rate Reconciliation, Entity Conversion Impact, Percent Loss on sale of securities (in hundredths) Effective Income Tax Rate Reconciliation, Disposition of Asset, Percent Tax audit settlements (in hundredths) Effective Income Tax Rate Reconciliation, Tax Settlement, Percent Goodwill impairment (in hundredths) Effective income tax rate reconciliation goodwill adjustments Effective Income Tax Rate Reconciliation Goodwill Adjustments Other items, net (in hundredths) Effective Income Tax Rate Reconciliation, Other Adjustments, Percent Effective tax rate (in hundredths) Effective Income Tax Rate Reconciliation, Percent Gross increases related to current year tax positions Unrecognized Tax Benefits, Increase Resulting from Current Period Tax Positions Change in valuation allowance Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Amount Tax settlements Effective Income Tax Rate Reconciliation, Tax Settlement, Amount Change in entity tax status Effective Income Tax Rate Reconciliation, Entity Conversion Impact, Foreign, Amount Effective Income Tax Rate Reconciliation, Entity Conversion Impact, Foreign, Amount Change in entity tax status (in hundredths) Effective Income Tax Rate Reconciliation, Entity Conversion Impact, Foreign, Percent Effective Income Tax Rate Reconciliation, Entity Conversion Impact, Foreign, Percent Gain (loss) on sale of securities Gain (Loss) on Sale of Investments Income tax impact of loss on sale of securities Effective Income Tax Rate Reconciliation, Disposition of Asset, Amount Change in valuation allowance, foreign subsidiary Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Foreign, Amount Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Foreign, Amount Change in valuation allowance, foreign subsidiary (in hundredths) Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Foreign, Percent Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Foreign, Percent Change in valuation allowance due to change in global income Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Change in Global Income, Amount Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Change in Global Income, Amount Change in valuation allowance due to change in global income (in hundredths) Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Change in Global Income, Percent Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Change in Global Income, Percent Change in valuation allowance due to sale of assets Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Disposition of Asset, Amount Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Disposition of Asset, Amount Change in valuation allowance due to sale of assets (in hundredths) Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Disposition of Asset, Percent Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Disposition of Asset, Percent Change in valuation allowance due losses and credits not expected to be utilized Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Losses and Credits Not Expected to Be Utilized, Amount Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Losses and Credits Not Expected to Be Utilized, Amount Change in valuation allowance due losses and credits not expected to be utilized (in hundredths) Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Losses and Credits Not Expected to Be Utilized, Percent Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, Losses and Credits Not Expected to Be Utilized, Percent Valuation allowance, local Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, State and Local, Amount Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, State and Local, Amount Valuation allowance, local (in hundredths) Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, State and Local, Percent Effective Income Tax Rate Reconciliation, Change in Deferred Tax Assets Valuation Allowance, State and Local, Percent Foreign tax rate differential Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Investment Write-Downs, Amount Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Investment Write-Downs, Amount Foreign tax rate differential (in hundredths) Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Investment Write-Downs, Percent Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Investment Write-Downs, Percent Deferred tax assets (liabilities) [Abstract] Components of Deferred Tax Assets and Liabilities [Abstract] Deferred tax assets [Abstract] Components of Deferred Tax Assets [Abstract] Employee benefits Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits Tax loss/credit carryforwards Total Of Deferred Tax Assets Operating Loss Carryforwards And Deferred Tax Assets Tax Credit Carryforwards The sum of the tax effects as of the balance sheet date of the amount of tax deductions excesses over gross income which cannot be used on the tax returns in the current year but can be carried forward to reduce taxable income or income taxes payable in a future year. Also includes the tax effect as of the balance sheet date of the amount of future tax deductions arising from all unused tax credit carryforwards which have been reduced by a valuation allowance. Accrued interest Deferred Tax Assets Accrued Interest The amount as of the balance sheet date of the estimated future tax effects attributable to the difference between the tax basis and the book basis of accrued interest computed in accordance with generally accepted accounting principles. The difference in basis, will change future taxable income when such basis difference is realized. State taxes Deferred Tax Assets, State Taxes Foreign gain/loss on exchange Deferred Tax Assets, Unrealized Currency Losses Contract Accounting Deferred Tax Assets, Contract Accounting Deferred Tax Assets, Contract Accounting Other assets Deferred Tax Assets, Other Total Deferred Tax Assets Deferred Tax Assets, Gross Valuation allowance Deferred Tax Assets, Valuation Allowance Net Assets Deferred Tax Assets, Net of Valuation Allowance Deferred tax liabilities [Abstract] Components of Deferred Tax Liabilities [Abstract] Depreciation and amortization Deferred Tax Liabilities, Property, Plant and Equipment Contract accounting Deferred Tax Liabilities Contract Accounting The amount as of the balance sheet date of the estimated future tax effects attributable to the difference between the tax basis and the book basis of contract accounting computed in accordance with generally accepted accounting principles. The difference in basis, will change future taxable income when such basis difference is realized. Investment basis differences Deferred Tax Liabilities, Investment in Noncontrolled Affiliates Other liabilities Deferred Tax Liabilities, Other Total Deferred Tax Liabilities Deferred Tax Liabilities, Net Total Deferred Tax Assets (Liabilities) Deferred Tax Assets, Net Income Tax Related Assets [Abstract] Income Tax Related Assets [Abstract] Income Tax Related Assets [Abstract] Current [Abstract] Deferred Tax Assets, Net of Valuation Allowance, Current Deferred Tax Assets, Net of Valuation Allowance, Current Income Taxes Receivable, Current Income Taxes Receivable, Current Liability for Uncertain Tax Positions, Current Liability for Uncertain Tax Positions, Current Deferred Tax Assets, Gross, Current Deferred Tax Assets, Gross, Current Non-current [Abstract] Assets, Noncurrent [Abstract] Income Taxes Receivable, Noncurrent Income Taxes Receivable, Noncurrent Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Deferred Tax Assets, Net of Valuation Allowance, Noncurrent Deferred Tax Assets, Gross, Noncurrent Deferred Tax Assets, Gross, Noncurrent Income Tax Assets, Current and Noncurrent Income Tax Assets, Current and Noncurrent Income Tax Assets, Current and Noncurrent Income Tax Related Liabilities [Abstract] Income Tax Related Liabilities [Abstract] Income Tax Related Liabilities [Abstract] Current [Abstract] Liabilities, Current [Abstract] Deferred Tax Liabilities, Net, Current Deferred Tax Liabilities, Net, Current Accrued Income Taxes, Current Accrued Income Taxes, Current Deferred Tax Liabilities, Gross, Current Deferred Tax Liabilities, Gross, Current Non-current [Abstract] Liabilities, Noncurrent [Abstract] Deferred Tax Liabilities, Net, Noncurrent Deferred Tax Liabilities, Net, Noncurrent Liability for Uncertain Tax Positions, Noncurrent Liability for Uncertain Tax Positions, Noncurrent Deferred Tax Liabilities, Gross, Noncurrent Deferred Tax Liabilities, Gross, Noncurrent Deferred Tax Liabilities, Gross Deferred Tax Liabilities, Gross Valuation Allowance, Deferred Tax Asset, Change in Amount Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount Cumulative Undistributed Earnings Of Foreign Subsidiaries Undistributed Earnings of Foreign Subsidiaries Current Foreign Tax Rate, Dividend Distribution Tax, Percent Current Foreign Tax Rate, Dividend Distribution Tax, Percent Current Foreign Tax Rate, Dividend Distribution Tax, Percent Schedule of long term debt instruments Schedule of Long-term Debt Instruments [Table Text Block] Schedule of future minimum lease payments required under the capital leases Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block] Schedule of long term debt expected maturities Schedule of Maturities of Long-term Debt [Table Text Block] Commitments and Contingencies Disclosure [Abstract] Loss Contingencies [Table] Loss Contingencies [Table] Segments [Axis] Guarantor Obligations by Nature [Axis] Guarantor Obligations, Nature [Axis] Guarantor Obligations, Nature [Domain] Guarantor Obligations, Nature [Domain] Letters of credit Letters Of Credit Performance Guarantee [Member] An agreement (contract) that requires the guarantor to make payments to a guaranteed party based on another entity's failure to perform under an obligating agreement. This includes the issuance of a performance standby letter of credit which requires the guarantor to make payments if a specified party fails to perform under a nonfinancial contractual obligation. Litigation Case [Axis] Litigation Case [Axis] Litigation Case Type [Domain] Litigation Case [Domain] United States District Court, Eastern District of Virginia [Member] United States District Court, Eastern District of Virginia [Member] United States District Court, Eastern District of Virginia [Member] Bainto and Himmel Cases [Member] Bainto and Himmel Cases [Member] Bainto and Himmel Cases [Member] Litigation Status [Axis] Litigation Status [Axis] Litigation Status [Domain] Litigation Status [Domain] Pending Litigation [Member] Pending Litigation [Member] Loss Contingencies [Line Items] Loss Contingencies [Line Items] Operating income (loss) Operating Income (Loss) Guarantee obligations maximum exposure Guarantor Obligations, Maximum Exposure, Undiscounted Total Guarantees Outstanding Total Guarantees Outstanding Amount of total financial guarantees outstanding. Number of pending class action complaints Loss Contingency, New Claims Filed, Number Litigation settlement amount Related receivable, pending corporate insurance claim Loss Contingency, Receivable, Current Cost of Services [Abstract] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table] Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Line Items] Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost [Line Items] Contract Modification, Total Consideration To Be Received Contract Modification, Total Consideration To Be Received Contract Modification, Total Consideration To Be Received Proceeds from Customers to Settle Disputed Amounts, Net of Value Added Tax Proceeds from Customers to Settle Disputed Amounts, Net of Value Added Tax Proceeds from Customers to Settle Disputed Amounts, Net of Value Added Tax Contract Modification, Amount Held in Escrow Contract Modification, Amount Held in Escrow Contract Modification, Amount Held in Escrow Deferred Costs Deferred Costs Deferred Revenue Deferred Revenue U.K. National Health (NHS) current contract value U.K. National Health (NHS) current contract value The current contract amount to develop and deploy an integrated electronic patient records system. Contract Modification, Aggregate Voluntary Decommision Limit Contract Modification, Aggregate Voluntary Decommision Limit Contract Modification, Aggregate Voluntary Decommision Limit Contract Modification, Voluntary Decommision Limit, Certain Products Contract Modification, Voluntary Decommision Limit, Certain Products Contract Modification, Voluntary Decommision Limit, Certain Products Schedule of Short-term Debt [Table] Schedule of Short-term Debt [Table] Short-term Debt, Type [Axis] Short-term Debt, Type [Axis] Short-term Debt, Type [Domain] Short-term Debt, Type [Domain] Commercial Paper Commercial Paper [Member] Line of Credit Foreign Bank Line of Credit Foreign Bank [Member] A contractual arrangement with a foreign lender under which borrowings can be made up to a specific amount at any point in time, and under which borrowings outstanding may be either short-term or long-term, depending upon the particulars. Parent Company Parent Company [Member] Guarantor Subsidiaries Guarantor Subsidiaries [Member] Short-term Debt [Line Items] Short-term Debt [Line Items] Short-term Debt, Term Short-term Debt, Term Short-term Debt, Term Commercial paper outstanding Short-term Debt Schedule of Finite-Lived Intangible Assets by Major Class [Table] Schedule of Finite-Lived Intangible Assets [Table] Contract-based intangible assets Contract-Based Intangible Assets [Member] Customer and other intangible assets Customer and other intangible assets [Member] An asset acquired in a business combination representing a customer relationship that exists between an entity and its customer if (a) the entity has information about the customer and has regular contact with the customer, and (b) the customer has the ability to make direct contact with the entity. Such assets would include tenant relationships obtained through acquisition, unless otherwise included in acquired in-place leases. Also includes other intangible assets not otherwise specified. Software Assets by Major Class [Axis] Software Assets by Major Class [Axis] The axis of a table defines the relationship between the domain members or categories in the table and the line items or concepts that complete the table. Software Assets, Major Class Name [Domain] Software Assets, Major Class Name [Domain] The major class of software assets ; A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Purchased software Purchased software [Member] Software that has been purchased rather developed in house. Internally developed commercial software Commercial software products [Member] Software products that are used for commercial use. Internally developed internal-use software Internal-use software [Member] Software products that are used for internal use. Finite-Lived Intangible Assets [Line Items] Finite-Lived Intangible Assets [Line Items] Summary of amortizable intangible assets [Abstract] Finite-Lived Intangible Assets, Net [Abstract] Gross Carrying Value Finite-Lived Intangible Assets, Gross Accumulated Amortization Net Carrying Value Finite-Lived Intangible Assets, Net Amortization expense Amortization of Intangible Assets Finite-Lived Intangible Assets, Future Amortization Expense [Abstract] Finite-Lived Intangible Assets, Net, Amortization Expense, Fiscal Year Maturity [Abstract] Fiscal 2014 Finite-Lived Intangible Assets, Amortization Expense, Next Twelve Months Fiscal 2015 Finite-Lived Intangible Assets, Amortization Expense, Year Two Fiscal 2016 Finite-Lived Intangible Assets, Amortization Expense, Year Three Fiscal 2017 Finite-Lived Intangible Assets, Amortization Expense, Year Four Fiscal 2018 Finite-Lived Intangible Assets, Amortization Expense, Year Five Impairment of Intangible Assets Impairment of Intangible Assets (Excluding Goodwill) Schedule of earnings per share Schedule of Earnings Per Share, Basic and Diluted [Table Text Block] Income Taxes Income Tax Disclosure [Text Block] Schedule of assets' estimated useful lives [Table] Schedule of assets' estimated useful lives [Table] Schedule of assets' estimated useful lives [Table] Schedule of assets' estimated useful lives, by asset [Axis] Schedule of assets' estimated useful lives, by asset [Axis] Details regarding estimated useful lives of long-lived physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale, and finite-lived intangible assets. Schedule of assets' estimated useful lives, by asset [Domain] Schedule of assets' estimated useful lives, by asset [Domain] Details regarding estimated useful lives of long-lived physical assets that are used in the normal conduct of business to produce goods and services and not intended for resale, and finite-lived intangible assets. Building [Member] Building [Member] Computers and related equipment [Member] Technology Equipment [Member] Leasehold Improvements [Member] Leasehold Improvements [Member] Customer Relationships [Member] Customer Relationships [Member] Acquired contract related intangibles [Member] Contractual Rights [Member] Schedule of assets' estimated useful lives [Line Items] Schedule of assets' estimated useful lives [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Property, Plant, and Equipment - Useful Life [Abstract] Property, Plant, and Equipment - Useful Life [Abstract] Property, Plant, and Equipment - Useful Life [Abstract] Property, plant and equipment useful life, description Property Plant And Equipment Useful Life Description A description of the useful life of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include land and improvements, buildings, and production equipment. Property, plant and equipment useful life, minimum (in years) Property, Plant and Equipment, Useful Life 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 [Axis] Antidilutive Securities [Axis] Antidilutive Securities, Name [Domain] Antidilutive Securities, Name [Domain] Stock Options [Member] Employee Stock Option [Member] Restricted Stock Units (RSUs) [Member] Restricted Stock Units (RSUs) [Member] Employee Stock Options, In The Money [Member] Employee Stock Options, In The Money [Member] Employee Stock Options, In The Money [Member] Restricted Stock Units (RSUs), In The Money [Member] Restricted Stock Units (RSUs), In The Money [Member] Restricted Stock Units (RSUs), In The Money [Member] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount Net income attributable to CSC common shareholders [Abstract] Net income attributable to CSC common shareholders: [Abstract] Net income attributable to CSC common shareholders: [Abstract] From discontinued operations Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Net income (loss) attributable to CSC common stockholders Common share information [Abstract] Weighted Average Number of Shares Outstanding, Diluted [Abstract] Weighted average common shares outstanding for basic EPS (in shares) Weighted Average Number of Shares Outstanding, Basic Dilutive effect of stock options and equity awards (in shares) Weighted Average Number Diluted Shares Outstanding Adjustment Shares for diluted earngns (loss) per share (in shares) Weighted Average Number of Shares Outstanding, Diluted Basic EPS: Earnings Per Share, Basic [Abstract] Total Diluted EPS: Earnings Per Share, Diluted [Abstract] Total Statement of Cash Flows [Abstract] Cash flows from operating activities: Net Cash Provided by (Used in) Operating Activities [Abstract] Stock-based compensation Net cash provided by operating activities Net cash (used in) provided by investing activities Net cash used in financing activities Net increase (decrease) in cash and cash equivalents Schedule of Derivative Instruments, Gain (Loss) in Statement of Financial Performance Derivative Instruments, Gain (Loss) [Table Text Block] Other (Income) Expense, Net Other Income and Other Expense Disclosure [Text Block] Schedule of defined benefit plans disclosures Schedule of Defined Benefit Plans Disclosures [Table Text Block] Schedule of fair value of financial assets for pension and postretirement benefits Schedule Of Fair Value Of Financial Assets For Pension And Postretirement Benefits [Table Text Block] Schedule Of Fair Value Of Financial Assets For Pension And Postretirement Benefits [Table Text Block] Selling, General and Administrative Expense Restructuring Charges Corporate General And Administrative Expense The aggregate total of expenses of the corporate office Accounts receivable Accounts Receivable, Net Prepaid expenses Prepaid Expense Outsourcing contract costs, net Finite-Lived Contractual Rights, Gross Fixed assets Total Assets Assets Accounts Payable, Current Accounts Payable, Current Accrued payroll Employee-related Liabilities, Current Deferred revenue Deferred Revenue, Current Other long term liabilities Other Liabilities, Noncurrent Liabilities Liabilities Summary of Amortizable Intangible Assets Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule Purchased and Internally Developed Software, Net of Accumulated Amortization Schedule of Finite-Lived Intangible Assets, Computer Software [Table Text Block] Schedule of Finite-Lived Intangible Assets, Computer Software [Table Text Block] Restructuring Costs [Abstract] Restructuring and Related Activities Disclosure Restructuring and Related Activities Disclosure [Text Block] Other Operations [Member] Other Operations [Member] Other Operations [Member] Continuing Operations [Member] Continuing Operations [Member] Discontinued Operations [Member] Discontinued Operations [Member] Cumulative effect on income (loss) from continuing opertaions, pre tax Cumulative Quantifying Misstatement Effect of Correction Tax Cumulative effect of correction on net income (loss), net of tax Cumulative Quantifying Misstatement Effect of Correction On Net Income (Loss), Net of Tax Cumulative Quantifying Misstatement Effect of Correction On Net Income (Loss), Net of Tax Internal Revenue Service [Member] Internal Revenue Service [Member] The United States of America tax department entitled to levy and collect income taxes from the entity. 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 at Beginning of Fiscal Year Unrecognized Tax Benefits Gross increases related to prior year tax positions Unrecognized Tax Benefits, Increase Resulting from Prior Period Tax Positions Gross decreases related to prior year tax positions Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Settlements Unrecognized Tax Benefits, Decrease Resulting from Settlements with Taxing Authorities Curreny year acquisitions Unrecognized Tax Benefits, Increase Resulting from Acquisition Foreign exchange and others Unrecognized Tax Benefits Increases And Decreases Resulting From Foreign Exchange And Others The gross amount of increases and decreases in unrecognized tax benefits resulting from foreign exchange and others. Balance at End of Fiscal Year Total liability for uncertain tax positions Total Liability For Uncertain Tax Positions Total liability for uncertain tax position as of the balance sheet date. Interest liability related to uncertain tax positions Unrecognized Tax Benefits, Interest on Income Taxes Accrued Income tax penalty liability related to uncertain tax positions Unrecognized Tax Benefits, Income Tax Penalties Accrued Total liability for uncertain tax positions - tax attributes component Total Liability For Uncertain Tax Positions Tax Attributes Component Total liability for uncertain tax position as of the balance sheet date for the tax attributes component. Liability for uncertain tax positions that if recognized would affect the effective tax rate Unrecognized Tax Benefits that Would Impact Effective Tax Rate Interest expense (benefit) accrued related to uncertain tax positions Unrecognized Tax Benefits, Interest on Income Taxes Expense Interest expense (benefit) accrued related to uncertain tax positions, net of tax Unrecognized Tax Benefits Interest On Income Taxes Expense Net Of Tax This element represents interest expense recognized for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity, net of tax. Net release (accrual) of income tax penalties accrued related to uncertain tax positions Unrecognized Tax Benefits, Income Tax Penalties Expense Interest liability related to uncertain tax positions, net of tax Unrecognized Tax Benefits Interest On Income Taxes Accrued Net Of Tax This element represents the amount of interest expense accrued as of the date of the statement of financial position for an underpayment of income taxes computed by applying the applicable statutory rate of interest to the difference between a tax position recognized for financial reporting purposes and the amount previously taken or expected to be taken in a tax return of the entity, net of tax. Discontinued operations Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Cost of Services - Specified Contract Charge Cost of Services - Specified Contract Charge [Text Block] The entire disclosure for pre-tax charge to write down claim related assets to reflect the specified contract charges charged to cost of services that may include reduced deployment and development of software product, payments of incurred costs, and contract value reductions that differ materially from the contract agreement. Commitments and Contingencies [Abstract] Commitments and Contingencies [Abstract] Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Schedule of future minimum lease payments, operating leases [Table] Schedule of future minimum lease payments, operating leases [Table] Schedule of future minimum lease payments, operating leases [Table] Real Estate [Member] Real Estate [Member] Equipment [Member] Equipment [Member] Schedule of future minimum lease payments, operating leases [Line Items] Schedule of future minimum lease payments, operating leases [Line Items] Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Lease rental expense Operating Leases, Rent Expense Sublease income Operating Leases, Future Minimum Payments Due, Future Minimum Sublease Rentals Operating Leases, Future Minimum Payments Due [Abstract] Operating Leases, Future Minimum Payments Due, Fiscal Year Maturity [Abstract] 2015 Operating Leases, Future Minimum Payments Due, Next Twelve Months 2016 Operating Leases, Future Minimum Payments, Due in Two Years 2017 Operating Leases, Future Minimum Payments, Due in Three Years 2018 Operating Leases, Future Minimum Payments, Due in Four Years 2019 Operating Leases, Future Minimum Payments, Due in Five Years Thereafter Operating Leases, Future Minimum Payments, Due Thereafter Total future minimum lease payments Operating Leases, Future Minimum Payments Due Minimum purchase commitments [Abstract] Long-term Commitment (Excluding Unconditional Purchase Obligation) [Abstract] Term of contractual purchase commitments, minimum (in years) Long Term Purchase Commitment Time Period Minimum Specifies the minimum time period covered by long-term purchase agreements. Term of contractual purchase commitments, maximum (in years) Long Term Purchase Commitment Time Period Maximum Specifies the maximum time period covered by long-term purchase agreements. Fiscal 2015 Long Term Purchase Commitment Amount Year One The minimum amount the entity agreed to spend under the long-term purchase commitments in the first year after the balance sheet date. Fiscal 2016 Long Term Purchase Commitment Amount Year Two The minimum amount the entity agreed to spend under the long-term purchase commitments in the second year after the balance sheet date. Fiscal 2017 Long Term Purchase Commitment Amount Year Three The minimum amount the entity agreed to spend under the long-term purchase commitments in the third year after the balance sheet date. Fiscal 2018 Long Term Purchase Commitment Amount Year Four The minimum amount the entity agreed to spend under the long-term purchase commitments in the fourth year after the balance sheet date. Fiscal 2019 Long Term Purchase Commitment Amount Year Five The minimum amount the entity agreed to spend under the long-term purchase commitments in the fifth year after the balance sheet date. Thereafter Long Term Purchase Commitment Amount Thereafter The minimum amount the entity agreed to spend under the long-term purchase commitments in fourth and subsequent years after the balance sheet date. Segment and Geographic Information [Abstract] Segment and Geographic Information [Abstract] Schedule of Segment Reporting Information, by Segment [Table] Schedule of Segment Reporting Information, by Segment [Table] United Kingdom [Member] UNITED KINGDOM Other Europe [Member] Other Europe [Member] Countries in Europe not individually listed in the taxonomy. Other International [Member] Other International [Member] All countries not specified individually or in another group within the taxonomy. Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Revenues Property and Equipment, Net Long-Lived Assets Total Assets Capital Expenditures Payments to Acquire Productive Assets Percentage of revenues derived from the US federal government (in hundredths) Segment Reporting Information Percentage Of Revenues Derived From Us Federal Government Agencies And Departments The percentage of revenues derived from departments and agencies of the US federal government. Percentage of accounts receivable due from the US federal government (in hundredths) Segment Reporting Information Percentage Of Accounts Receivable Due From Us Federal Government Agencies And Departments The percentage of accounts receivable due from departments and agencies of the US federal government. Maximum percentage of revenues from transactions with a single commercial customer (in hundredths) Segment Reporting Percentage Of Revenues That No Single Commercial Customer Exceeded The percentage that no single commercial customer exceeded of the company's revenues during the period. Income Tax Examination [Table] Income Tax Examination [Table] United States - Federal [Member] United States - Federal [Member] The designated tax department of the United States of America government entitled to levy and collect income taxes from the entity. United States - Various States [Member] United States - Various States [Member] The designated tax department of a state or local government entitled to levy and collect income taxes from the entity. Canada [Member] Canada [Member] The designated tax department of Canada entitled to levy and collect income taxes from the entity outside its country of domicile. Denmark [Member] Denmark [Member] Denmark [Member] France [Member] France [Member] The designated tax department of France entitled to levy and collect income taxes from the entity outside its country of domicile. Germany [Member] Germany [Member] The designated tax department of Germany entitled to levy and collect income taxes from the entity outside its country of domicile. India [Member] India [Member] India [Member] United Kingdom [Member] United Kingdom [Member] The designated tax department of the United Kingdom entitled to levy and collect income taxes from the entity outside its country of domicile. Nature of Uncertainty [Axis] Nature of Uncertainty [Axis] Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Nature of Uncertainty [Domain] Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Nature of Uncertainty [Domain] Settlement with Taxing Authority [Member] Settlement with Taxing Authority [Member] Income Tax Examination [Line Items] Income Tax Examination [Line Items] Tax Years that Remain Subject to Examination (Fiscal Year Ending) Open Tax Year, Subject to Examination Open Tax Year, Subject to Examination Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit Significant Change in Unrecognized Tax Benefits is Reasonably Possible, Amount of Unrecorded Benefit Fair Value, Assets Measured on Recurring Basis [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Recurring [Member] Fair Value, Measurements, Recurring [Member] Level 1 [Member] Fair Value, Inputs, Level 1 [Member] Level 2 [Member] Fair Value, Inputs, Level 2 [Member] Fair Value, Assets Measured on Recurring Basis, Financial Statement Captions [Line Items] Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] Assets: Assets [Abstract] Money market funds Fair Value Assets Measured On Recurring Basis Money Market Funds This element represents a certain statement of financial position asset caption which represents a class of assets, or which may include an individual asset, measured at fair value on a recurring basis. Time deposits Fair Value Assets Measured On Recurring Basis Time Deposits This element represents a certain statement of financial position asset caption which represents a class of assets, or which may include an individual asset, measured at fair value on a recurring basis. Short term investments Investments, Fair Value Disclosure Derivative assets Derivative Asset Interest rate swaps Interest Rate Derivative Assets, at Fair Value Total assets Assets, Fair Value Disclosure Liabilities: Liabilities [Abstract] Derivative liabilities Derivative Liability Total liabilities Financial and Nonfinancial Liabilities, Fair Value Disclosure Goodwill, Impairment charge Basis of Presentation and Principles of Consolidation [Abstract] Basis Of Presentation And Principles Of Consolidation [Abstract] Basis Of Presentation And Principles Of Consolidation [Abstract] Revenue Recognition [Abstract] Revenue Recognition [Abstract] Maximum percentage of the Company's revenues recognized under the percentage-of-completion method (in hundredths) Maximum Percentage Of Revenues Recognized Under Percentage Of Completion Method Maximum percentage of the company's revenue recognition for long-term construction-type contracts accounted for using the percentage-of-completion method. Non-cash investing activities [Abstract] Non-cash investing activities [Abstract] Non-cash investing activities [Abstract] Timing of Asset Impairment Charge [Member] Timing of Asset Impairment Charge [Member] Timing of Asset Impairment Charge [Member] GBS - Consulting [Member] GBS - Consulting [Member] GBS - Consulting [Member] GBS - IS&S [Member] GBS - IS&S [Member] GBS - IS&S [Member] Goodwill impairment Schedule of fair value of plan assets by benefit plan, by asset class and by measurement level [Table] Equity Securities US North America Commingled Funds [Member] Equity Securities US North America Commingled Funds [Member] This category includes information about ownership interests or the right to acquire ownership interests in corporations and other legal entities which ownership interest is represented by shares of common or preferred stock (which is neither mandatorily redeemable no redeemable at the option of the holder), convertible securities, stock rights, or stock warrants categorized by domestic commingled funds. Equity Securities Global International Commingled Funds [Member] Equity Securities Global International Commingled Funds [Member] This category includes information about ownership interests or the right to acquire ownership interests in corporations and other legal entities which ownership interest is represented by shares of common or preferred stock (which is neither mandatorily redeemable no redeemable at the option of the holder), convertible securities, stock rights, or stock warrants categorized by global commingled funds. Private Equity Funds, Domestic [Member] Private Equity Funds, Domestic [Member] Equity Securities Domestic Commingled Funds [Member] Equity Securities Domestic Commingled Funds [Member] This category includes information about ownership interests or the right to acquire ownership interests in corporations and other legal entities which ownership interest is represented by shares of common or preferred stock (which is neither mandatorily redeemable no redeemable at the option of the holder), convertible securities, stock rights, or stock warrants categorized by global international commingled funds. Equity Securities Global Commingled Funds [Member] Equity Securities Global Commingled Funds [Member] This category includes information about ownership interests or the right to acquire ownership interests in corporations and other legal entities which ownership interest is represented by shares of common or preferred stock (which is neither mandatorily redeemable no redeemable at the option of the holder), convertible securities, stock rights, or stock warrants categorized by global mutual funds. Equity Securities Global Mutual Funds [Member] Equity Securities Global Mutual Funds [Member] This category includes information about ownership interests or the right to acquire ownership interests in corporations and other legal entities which ownership interest is represented by shares of common or preferred stock (which is neither mandatorily redeemable no redeemable at the option of the holder), convertible securities, stock rights, or stock warrants categorized by US North American commingled funds. Fixed income US treasuries [Member] Fixed income US treasuries [Member] An investment that pools funds from many investors to invest in a combination of underlying investments, primarily fixed income investments in US treasuries. Fixed income US government agencies [Member] Fixed income US government agencies [Member] An investment that pools funds from many investors to invest in a combination of underlying investments, primarily fixed income investments in US government agencies. Fixed Income Non US Government [Member] Fixed Income Non US Government [Member] An investment that pools funds from many investors to invest in a combination of underlying investments, primarily fixed income investments in Non-US government agencies Fixed income mortgage asset backed securities [Member] Fixed income mortgage asset backed securities [Member] An investment that pools funds from many investors to invest in a combination of underlying investments, primarily fixed income investments in mortgage and asset backed securities. Fixed income Corporate [Member] Fixed income Corporate [Member] Fixed income corporate securities Fixed income commingled funds [Member] Fixed income commingled funds [Member] An investment that pools funds from many investors to invest in a combination of underlying investments, primarily fixed income investments in commingled funds. Cash and Cash Equivalents [Member] Cash and Cash Equivalents [Member] Total fair value prior to unsettled trade receivables accrued income and payables accrued expenses [Member] Total fair value prior to unsettled trade receivables accrued income and payables accrued expenses [Member] Total fair value of plan assets excluding unsettled trade receivables and accrued income as well as unsettled trade payables and accrued expenses. Unsettled trade receivables and accrued income [Member] Unsettled trade receivables and accrued income [Member] This element represents unsettled trade receivables and accrued income Unsettled trade payables and accrued expenses [Member] Unsettled trade payables and accrued expenses [Member] This element represents unsettled trade payables and accrued expenses. Hedge Funds [Member] Hedge Funds [Member] Other Investments [Member] Other Investments [Member] US pension and other postretirement benefit plans [Member] US pension and other postretirement benefit plans [Member] This element represents the disclosures for the fair value of plan assets for the US pension and other postretirement benefit plans. Defined benefit plan change in benefit obligation [Roll Forward] Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Projected benefit obligation Defined Benefit Plan, Benefit Obligation Service cost Defined Benefit Plan, Service Cost Interest cost Defined Benefit Plan, Interest Cost Plan participants' contributions Defined Benefit Plan, Contributions by Plan Participants Amendments Defined Benefit Plan, Plan Amendments Business/contract acquisitions Defined Benefit Plan, Business Combinations and Acquisitions, Benefit Obligation Contractual termination benefit Defined Benefit Plan, Special Termination Benefits Settlement/curtailment Defined Benefit Plan, Effect of Settlements and Curtailments on Accumulated Benefit Obligation Defined Benefit Plan, Amortization of Gains (Losses) Defined Benefit Plan, Amortization of Gains (Losses) Benefits paid Defined Benefit Plan, Benefits Paid Retiree drug subsidy reimbursement Defined Benefit Plan, Gross Prescription Drug Subsidy Receipts Received Foreign currency exchange rate changes Other Defined Benefit Plan, Other Costs Accumulated benefit obligation at end of year Change in fair value of plan assets [Roll Forward] Defined Benefit Plan, Change in Fair Value of Plan Assets [Roll Forward] Actual return on plan assets Defined Benefit Plan, Actual Return on Plan Assets Retiree drug subsidy reimbursement Defined Benefit Plan, Fair Value, Prescription Drug Subsidy Defined Benefit Plan, Fair Value, Prescription Drug Subsidy Plan settlement Defined Benefit Plan, Settlements, Plan Assets Business/contract acquisitions Defined Benefit Plan, Business Combinations and Acquisitions, Plan Assets Foreign currency exchange rate changes Defined Benefit Plan, Foreign Currency Exchange Rate Changes, Plan Assets Funded status of plan assets [Abstract] Defined Benefit Plan, Funded Status of Plan [Abstract] Funded status at end of year Defined Benefit Plan, Funded Status of Plan Amounts recorded in consolidated balance sheet [Abstract] Defined Benefit Plan, Amounts Recognized in Balance Sheet [Abstract] Non-current assets Defined Benefit Plan, Assets for Plan Benefits, Noncurrent Current liabilities - Accrued expenses and other current liabilities Pension and Other Postretirement Defined Benefit Plans, Current Liabilities Non-current liabilities - Other long-term liabilities Pension and Other Postretirement Defined Benefit Plans, Liabilities, Noncurrent Net amount recorded Defined Benefit Plan, Amounts Recognized in Balance Sheet Amounts in accumulated other comprehensive income (loss) before tax not recognized in the consolidated statements of operations as components of net periodic benefit cost [Abstract] Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax [Abstract] Net transition obligation Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Transition Assets (Obligations), before Tax Prior service (gain) cost Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), Net Prior Service Cost (Credit), before Tax Accumulated other comprehensive loss Pension and Other Postretirement Benefit Plans, Accumulated Other Comprehensive Income (Loss), before Tax Weighted Average assumptions used in the determination of other post retirement benefit obligations [Abstract] Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Benefit Obligation [Abstract] Rates of increase in compensation levels (in hundredths) Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase Selected information for pension and postretirement benefit plans [Abstract] Selected Information Regarding Pension And Postretirement Benefit Plans [Abstract] Selected Information Regarding Pension And Postretirement Benefit Plans [Abstract] Accumulated benefit obligation Defined Benefit Plan, Accumulated Benefit Obligation Fair value of plan assets Plans with projected benefit obligation in excess of plan assets [Abstract] Defined Benefit Plan, Plans with Benefit Obligations in Excess of Plan Assets [Abstract] Projected benefit obligation - projected Defined Benefit Plan Plans With Benefit Obligations In Excess Of Plan Assets Projected Benefit Obligation If aggregate disclosures are presented, the projected benefit obligation for plans with benefit obligations in excess of plan assets as of the measurement date of each statement of financial position presented. Accumulated benefit obligation - projected Defined Benefit Plan, Plans with Benefit Obligations in Excess of Plan Assets, Aggregate Benefit Obligation Fair value of plan assets - projected Defined Benefit Plan, Plans with Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets Plans with accumulated benefit obligation in excess of the fair value of plan assets [Abstract] Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets [Abstract] Projected benefit obligation - accumulated Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Projected Benefit Obligation Accumulated benefit obligation - accumulated Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Accumulated Benefit Obligation Fair value of plan assets - accumulated Defined Benefit Plan, Pension Plans with Accumulated Benefit Obligations in Excess of Plan Assets, Aggregate Fair Value of Plan Assets Components of net periodic benefit cost [Abstract] Defined Benefit Plan, Net Periodic Benefit Cost [Abstract] Service cost Interest cost Expected return on assets Defined Benefit Plan, Expected Return on Plan Assets Amortization of transition obligation Defined Benefit Plan, Amortization of Transition Obligations (Assets) Amortization of prior service costs Defined Benefit Plan, Amortization of Prior Service Cost (Credit) Settlement/curtailment Defined Benefit Plan, Recognized Net Gain (Loss) Due to Settlements and Curtailments Net periodic pension cost Defined Benefit Plan, Net Periodic Benefit Cost Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Gain (Loss), before Tax [Abstract] Defined Benefit Plan, Amounts Recognized in Other Comprehensive Income (Loss), Net Actuarial Gain (Loss), before Tax [Abstract] Prior service (credit) / cost Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost (Credit) Arising During Period, before Tax Transition (asset) /obligation Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Transition Asset (Obligation), before Tax Prior service (credit) / cost Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), before Tax Foreign currency exchange rate changes Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Foreign Currency Exchange Rate Changes, before Tax Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Foreign Currency Exchange Rate Changes, before Tax Total recognized in other comprehensive income Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Tax, Portion Attributable to Parent Estimated amounts amortized from accumulated other comprehensive income into net periodic benefit cost over the next fiscal year [Abstract] Defined Benefit Plan, Amount to be Amortized from Accumulated Other Comprehensive Income (Loss) Next Fiscal Year [Abstract] Weighted average assumptions used to determine net periodic benefit cost [Abstract] Defined Benefit Plan, Weighted Average Assumptions Used in Calculating Net Periodic Benefit Cost [Abstract] Discount or settlement rates (in hundredths) Defined Benefit Plan Assumptions Used Calculating Net Periodic Benefit Cost Discount Or Settlement Rate The interest rate used to adjust for the time value of money or the settlement rate used to calculate the pay off to participants. Expected long-term rates of return on assets (in hundredths) Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets Rates of increase in compensation levels (in hundredths) Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Rate of Compensation Increase Expected cash flows for pension and postretirement benefit plans [Abstract] Defined Benefit Plan, Expected Future Benefit Payments, Fiscal Year Maturity [Abstract] 2015 Defined Benefit Plans, Estimated Future Employer Contributions in Next Fiscal Year Expected benefit payments [Abstract] Expected benefit payments [Abstract] Expected benefit payments [Abstract] 2015 Defined Benefit Plan, Expected Future Benefit Payments, Next Twelve Months 2016 Defined Benefit Plan, Expected Future Benefit Payments, Year Two 2017 Defined Benefit Plan, Expected Future Benefit Payments, Year Three Defined Benefit Plan, Expected Future Benefit Payments, Year Four Defined Benefit Plan, Expected Future Benefit Payments, Year Four 2019 Defined Benefit Plan, Expected Future Benefit Payments, Year Five 2020-2024 Defined Benefit Plan, Expected Future Benefit Payments, Five Fiscal Years Thereafter Assumed healthcare cost trend rate used in measuring the expected benefit obligation [Abstract] Defined Benefit Plan, Assumed Health Care Cost Trend Rates [Abstract] Effect of a one-percentage point change in assumed health care cost trend rates [Abstract] Defined Benefit Plan, Effect of One-Percentage Point Change in Assumed Health Care Cost Trend Rates [Abstract] Effect on accumulated postretirement benefit obligation as of March 29, 2013 Defined Benefit Plan, Effect of One Percentage Point Increase on Accumulated Postretirement Benefit Obligation Effect on accumulated postretirement benefit obligation as of March 29, 2013 Defined Benefit Plan, Effect of One Percentage Point Decrease on Accumulated Postretirement Benefit Obligation Effect on net periodic postretirement benefit cost for fiscal 2013 Defined Benefit Plan, Effect of One Percentage Point Increase on Service and Interest Cost Components Effect on net periodic postretirement benefit cost for fiscal 2013 Defined Benefit Plan, Effect of One Percentage Point Decrease on Service and Interest Cost Components Asset allocation of postretirement benefit plans [Abstract] Defined Benefit Plan, Assets, Target Allocations [Abstract] Defined contribution pension and other postretirement plans disclosure [Abstract] Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract] Number of shares of common stock included in plan assets at period end Defined Benefit Plan, Actuarial Gain (Loss) Defined Benefit Plan, Actuarial Gain (Loss) Operating Loss Carryforwards [Table] Operating Loss Carryforwards [Table] State and Local Jurisdiction [Member] State and Local Jurisdiction [Member] Operating Loss Carryforwards [Line Items] Operating Loss Carryforwards [Line Items] Net operating loss (NOL) carryforwards Operating Loss Carryforwards Finite amount of NOL carryforwards subject to expiration Finite Operating Loss Carryforwards Subject To Expiration The expiration date of each operating loss carryforward included in total operating loss carryforwards, or the applicable range of such expiration dates. Tax Credit Carryforward, Amount Tax Credit Carryforward, Amount Deferred Tax Assets, Capital Loss Carryforwards Deferred Tax Assets, Capital Loss Carryforwards Summary of Discontinued Operations Discontinued operations [Table Text Block] Discontinued operations [Table Text Block] Other (Income) Expense [Abstract] Other Nonoperating Income (Expense) [Abstract] Foreign currency loss (gain) Foreign Currency Transaction Gain (Loss), before Tax Other losses (gains) Realized Investment Gains (Losses) Total Cost of Company's Hedging Program Gain (Loss) on Foreign Currency Fair Value Hedge Derivatives Future minimum operating lease payments Operating Leases of Lessee Disclosure [Table Text Block] Expiration of financial guarantees Expiration Of Financial Guarantees [Table Text Block] Expiration Of Financial Guarantees [Table Text Block] Cash and cash equivalents Prepaid expenses and other current assets Prepaid Expense and Other Assets, Current Total current assets Assets, Current Software, net Capitalized Computer Software, Net Goodwill, net Goodwill Other assets Other Assets, Noncurrent Total intangible and other assets Intangible and Other Assets Aggregate of carrying amount of intangible assets and other long term assets, not separately disclosed on the face of the balance sheet due to materiality considerations, as of the balance sheet date. Short-term debt and current maturities of long-term debt Debt, Current Accounts payable Accrued payroll and related costs Accrued expenses and other current liabilities Deferred revenue and advance contract payments Income taxes payable and deferred income taxes Income taxes payable and deferred income taxes Carrying amount as of the balance sheet date of the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax obligations; and, the cumulative amount for all deferred tax liabilities as of the balance sheet date arising from temporary differences between accounting income in accordance with generally accepted accounting principles and tax-basis income that will result in future taxable income exceeding future accounting income. Total current liabilities Liabilities, Current Income tax liabilities and deferred income taxes Income Tax Liabilitied And Deferred Income Taxes no GAD guidance Other long-term liabilities Commitments and contingencies Commitments and Contingencies Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Stockholders' Equity, Including Portion Attributable to Noncontrolling Interest [Abstract] Preferred stock par value $1 per share Preferred Stock, Value, Issued Common stock, par value $1 per share Common Stock, Value, Issued Additional paid-in capital Additional Paid in Capital Earnings retained for use in business Retained Earnings (Accumulated Deficit) Accumulated other comprehensive loss Accumulated Other Comprehensive Income (Loss), Net of Tax Less: common stock in treasury, at cost Treasury Stock, Value Total CSC stockholders’ equity Stockholders' Equity Attributable to Parent Noncontrolling interest in subsidiaries Stockholders' Equity Attributable to Noncontrolling Interest Total Equity Total Liabilities and Equity Liabilities and Equity Stock Incentive Plans [Abstract] Stock Incentive Plans [Abstract] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs [Table Text Block] Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions [Table Text Block] Share Based Compensation Arrangement By Share Based Payment Award Fair Value Assumptions [Table Text Block] Disclosure of the weighted average assumptions used to calculate compensation expense for stock incentive plans. 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] Schedule of share based compensation shares authorized under stock option plans by exercise price range Schedule of Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Table Text Block] Corporate [Member] Corporate Segment [Member] Eliminations [Member] Intersegment Eliminations [Member] Segment Reporting Information, Segments Affected By Out Of Period Adjustments [Axis] Segment Reporting Information, Segments Affected By Out Of Period Adjustments [Axis] Disclosure of profit or loss, total assets for each reportable segment, and a description of the types of products and services for each reportable segment which is affected by out of period adjustments. Reporting Segment Affected By Out Of Period Adjustment [Domain] Reporting Segment Affected By Out Of Period Adjustment [Domain] A component of an entity for which there is an accounting requirement to report separate financial information on that component in the entity's financial statements which is affected by an out of period adjustment Segment As Reported [Member] Segment As Reported [Member] Represents the reported amounts in financial statements. Segment Out of Period Adjustments Increase (Decrease) [Member] Segment Increase (Decrease) [Member] Out of period adjustments. Segment Adjusted [Member] Segment Adjusted [Member] Represents the out of period adjustments applied against as reported amounts. Number of Operating Segments Number of Operating Segments Depreciation and amortization Change in accounting estimate, reduction in revenue Change in accounting estimate, reduction in revenue Change in accounting estimate, reduction in revenue Reconciliation of Consolidated Operating Income to Income Before Taxes [Abstract] Reconciliation of consolidated operating income to income before taxes [Abstract] Reconciliation of consolidated operating income to income before taxes [Abstract] Corporate G&A Pension and Other Postretirement Benefit Expense Interest expense Interest income Other income (expense), net Investigations and Out of Period Adjustments Accounting Changes and Error Corrections [Text Block] Schedule of Long-term Debt Instruments [Table] Schedule of Long-term Debt Instruments [Table] Subsidiary [Member] Subsidiaries [Member] 4.45% term notes, due September 2022 Term Notes 445 Due 2022 [Member] Term Notes 445 Due 2022 [Member] 6.50% term notes, due March 2018 [Member] Term Notes 650 Due 2018 [Member] A written promise to pay a note over a specified term and at a specified rate of interest. 2.50% term notes, due September 2015 [Member] Term Notes 250 Due 2015 [Member] Term Notes 250 Due 2015 [Member] 5.50% term notes, due March 2013 [Member] Term Notes 550 Due 2013 [Member] A written promise to pay a note over a specified term and at a specified rate of interest. 5.00% term notes, due February 2013 [Member] Term Notes 500 Due 2013 [Member] A written promise to pay a note over a specified term and at a specified rate of interest. Other interest bearing debt and notes payable [Member] Other Interest Bearing Debt and Notes Payable [Member] Other Interest Bearing Debt and Notes Payable [Member] Line of Credit Facility, Due September 2016 [Member] Line of Credit Facility, Due September 2016 [Member] Line of Credit Facility, Due September 2016 [Member] Senior unsecured and unsubordinated notes Senior Unsecured and Unsubordinated Notes [Member] Senior Unsecured and Unsubordinated Notes [Member] Line of Credit Facility, Due December 2014 [Member] Line of Credit Facility, Due December 2014 [Member] Line of Credit Facility, Due December 2014 [Member] Term loan credit facility [Member] Term Loan Credit Facility [Member] Term Loan Credit Facility [Member] Mandatorily redeemable preferred stock outstanding [Member] Mandatorily Redeemable Preferred Stock [Member] Note payable [Member] Notes Payable [Member] A written promise to pay a note to a third party. Capitalized lease liabilities [Member] Capital Lease Obligations [Member] Borrowings for assets acquired under long-term financing [Member] Other borrowings [Member] Notes Payable, Other Payables [Member] Borrowing Sub-limits Denominated in USD, Euros and Pound Sterling [Member] Borrowing Sub-limits Denominated in USD, Euros and Pound Sterling [Member] Borrowing Sub-limits Denominated in USD, Euros and Pound Sterling [Member] Borrowing Sub-limits Denominated in USD, Euros, Pound Sterling, Yen, Austrailian Dollar and Singapore Dollar [Member] Borrowing Sub-limits Denominated in USD, Euros, Pound Sterling, Yen, Austrailian Dollar and Singapore Dollar [Member] Borrowing Sub-limits Denominated in USD, Euros, Pound Sterling, Yen, Austrailian Dollar and Singapore Dollar [Member] Debt Instrument [Line Items] Debt Instrument [Line Items] Debt [Abstract] Debt Disclosure [Abstract] Total debt Long-term Debt Less: short term debt and current maturities of long term debt Long-term Debt, Current Maturities Total long-term debt Debt Conversion, Original Debt, Amount Debt Conversion, Original Debt, Amount Debt Conversion, Original Debt, Interest Rate of Debt Debt Conversion, Original Debt, Interest Rate of Debt Debt Conversion, Converted Instrument, Amount Debt Conversion, Converted Instrument, Amount Debt Conversion, Converted Instrument, Rate Debt Conversion, Converted Instrument, Rate Interest Rate Derivative Liabilities, at Fair Value Interest Rate Derivative Liabilities, at Fair Value Increase (Decrease) in Fair Value of Interest Rate Fair Value Hedging Instruments Increase (Decrease) in Fair Value of Interest Rate Fair Value Hedging Instruments Borrowings under lines of credit and short-term debt Amount of multi-year committed revolving credit facility Line of Credit Facility, Maximum Borrowing Capacity Write off of Deferred Debt Issuance Cost Write off of Deferred Debt Issuance Cost Line of Credit Facility, Borrowing Sub-limit Line of Credit Facility, Borrowing Sub-limit Line of Credit Facility, Borrowing Sub-limit Payments of Debt Issuance Costs Payments of Debt Issuance Costs Accumulated amortization on computers and other equipment under capital lease Capital Leases, Lessee Balance Sheet, Assets by Major Class, Accumulated Depreciation Gross amount of computer and other equipment under capital lease Capital Leased Assets, Gross Debt instrument, stated interest rate (in hundredths) Debt Instrument, Interest Rate, Stated Percentage Debt instrument, maturity date Debt Instrument, Maturity Date Debt Instrument, Term Debt Instrument, Term Credit facility expiration date Line of Credit Facility, Expiration Date Long-term Debt, by Maturity [Abstract] Long-term Debt, Fiscal Year Maturity [Abstract] 2014 Long-term Debt, Maturities, Repayments of Principal in Next Twelve Months 2015 Long-term Debt, Maturities, Repayments of Principal in Year Two 2016 Long-term Debt, Maturities, Repayments of Principal in Year Three 2017 Long-term Debt, Maturities, Repayments of Principal in Year Four 2018 Long-term Debt, Maturities, Repayments of Principal in Year Five Thereafter Long-term Debt, Maturities, Repayments of Principal after Year Five Total Long-term Debt, Total Carrying amount of long-term debt, net of unamortized discount or premium, including current and noncurrent amounts. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Cash payments for interest on indebtedness and for taxes, supplemental information on cash flow Schedule of Cash Flow, Supplemental Disclosures [Table Text Block] Non-cash investing activities Schedule of Other Significant Noncash Transactions [Table Text Block] Schedule of Goodwill [Table] Schedule of Goodwill [Table] Goodwill by Reporting Unit [Axis] Goodwill by Reporting Unit [Axis] Schedule of goodwill by reporting unit. Goodwill, Reporting Unit [Domain] Goodwill, Reporting Unit [Domain] Name of the reporting unit. Segment, Business [Domain] Goodwill [Line Items] Goodwill [Line Items] Changes in the carrying amount of goodwill by segment [Roll Forward] Goodwill [Roll Forward] Goodwill Gross Goodwill, Gross Goodwill Accumulated impairment loss Goodwill, Impaired, Accumulated Impairment Loss Goodwill Acquired during period and contingent consideration paid Goodwill, Acquired During Period Deductions Foreign Currency Translation Goodwill, Translation and Purchase Accounting Adjustments Goodwill, Other reclassifications Goodwill, Other Reclassifications Other increases or decreases during the reporting period in the carrying value of goodwill that are not separately disclosed. Goodwill Gross Goodwill Impaired Accumulated Impairment loss Goodwill Adjustment to Amount of Goodwill Impairment Charge Adjustment to Amount of Goodwill Impairment Charge Adjustment to Amount of Goodwill Impairment Charge Goodwill Impairment Loss for Annual and Second Quarter Test Goodwill Impairment Loss for Annual and Second Quarter Test Goodwill Impairment Loss for Annual and Second Quarter Test Goodwill, Transfers Goodwill, Transfers Stock Incentive Plans Disclosure of Compensation Related Costs, Share-based Payments [Text Block] Derivative [Table] Derivative [Table] Other Assets [Member] Other Assets [Member] Derivative, by Nature [Axis] Derivative, by Nature [Axis] Derivative, Name [Domain] Derivative, Name [Domain] Forward Contracts [Member] Forward Contracts [Member] Option Contracts [Member] Options Held [Member] Derivative [Line Items] Derivative [Line Items] Credit Derivative, Maximum Exposure, Undiscounted Credit Derivative, Maximum Exposure, Undiscounted Number of Counterparties to Interest Rate Derivative Instruments Number of Counterparties to Interest Rate Derivative Instruments Number of Counterparties to Interest Rate Derivative Instruments Derivative Liability, Fair Value, Amount Not Offset Against Collateral Derivative Liability, Fair Value, Amount Not Offset Against Collateral Derivative Liability, Fair Value, Gross Liability Derivative Liability, Fair Value, Gross Liability Derivative Asset, Fair Value, Amount Not Offset Against Collateral Derivative Asset, Fair Value, Amount Not Offset Against Collateral Derivative Asset, Fair Value, Gross Asset Derivative Asset, Fair Value, Gross Asset Notional amount of derivatives outstanding Derivative, Notional Amount Estimated fair value of foreign currency derivative assets Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Asset at Fair Value Estimated fair value of foreign currency derivative liabilities Foreign Currency Derivative Instruments Not Designated as Hedging Instruments, Liability at Fair Value Number of counterparties with concentration of credit risk Number of counterparties to foreign currency derivative instruments Number of counterparties to foreign currency derivative instruments with concentration of credit risk and maximum loss. Maximum amount of loss, based on gross fair value, due to concentration of credit risk Concentration Risk, Credit Risk, Financial Instrument, Maximum Exposure Assets and Liabilities Measured at Fair Value on a Recurring Basis Fair Value Assets And Liabilities Measured On Recurring Basis [Table Text Block] Disclosure related to assets and liabilities that are measured at fair value on a recurring basis. The disclosures herein include the fair value measurements at the reporting date by the level within the fair value hierarchy, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). Change in net income Contract impairment Loss on Contracts Contracts in Process Contracts in Process Contracts in Process Billed and unbilled receivables Contracts Receivable, Claims and Uncertain Amounts Other assets and liabilities, net Components of Accumulated Other Comprehensive Loss, Net of Tax Effects Comprehensive Income (Loss) [Table Text Block] Schedule of Accumulated Other Comprehensive Income (Loss) Schedule of Accumulated Other Comprehensive Income (Loss) [Table Text Block] Summary of Significant Accounting Policies Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Operating Results by Reportable Segment Schedule of Segment Reporting Information, by Segment [Table Text Block] Reconciliation of Consolidated Operating Income to Income Before Taxes Reconciliation of Operating Profit (Loss) from Segments to Consolidated [Table Text Block] Out of period adjustments by segment Out of Period Adjustments Related to Reportable Segment [Table Text Block] Disclosure of out of period adjustments related to the Reportable segment including amounts as reported, increases or decreases due to errors, and adjustments for removal of errors. Revenue and property and equipment, net by geographic segment Revenue and property and equipment, net by geographic segment [Table Text Block] Disclosure of the names of foreign countries from which revenue is material and may also include the amount of revenue from external customers attributed to those countries. The disclosure may also provide subtotals of geographic information about groups of countries. In addition, this disclosure includes the names of foreign countries in which material long-lived assets and amount of such long-lived assets located in that country or foreign geographic area. Stockholders' Equity Attributable to Parent [Abstract] Common Stock, Dividends, Per Share, Declared Dividends declared Dividends, Common Stock, Stock Dividends declared not paid Segment and Geographic Information Segment Reporting Disclosure [Text Block] Schedule of Guarantor Obligations [Table] Schedule of Guarantor Obligations [Table] Loss Contingencies by Nature of Contingency [Axis] Loss Contingency Nature [Axis] Loss Contingency, Nature [Domain] Loss Contingency, Nature [Domain] Surety Bonds Performance Guarantee Surety Bonds Performance Guarantee [Member] An agreement (contract) that requires the guarantor to make payments to a guaranteed party based on another entity's failure to perform under an obligating agreement. This includes the issuance of surety bonds. Standby letters of credit [Member] Financial Standby Letter of Credit [Member] Guarantor Obligations [Line Items] Guarantor Obligations [Line Items] Fiscal 2015 Expiration Of Guarantee In Next Fiscal Year Amount of financial guarantee outstanding as of the balance sheet date, that expires in the next fiscal year following current fiscal year end. Fiscal 2016 Expiration Of Guarantee In Second Fiscal Year Amount of financial guarantee outstanding as of the balance sheet date, that expires in the second fiscal year following current fiscal year end. Fiscal 2017 and thereafter Expiration Of Guarantee In Third Fiscal Year And Thereafter Amount of financial guarantee outstanding as of the balance sheet date, that expires in the third fiscal year and thereafter following current fiscal year end. Total Line of credit, term Line of credit, term Line of credit, terms. Reviewed annually. Fiscal 2014 Adjustments Adjustments Relating to Fiscal 2014 [Member] Adjustments Relating to Fiscal 2014 [Member] Prior fiscal years (unaudited) Changes in the Carrying Amount of Goodwill by Segment Schedule of Goodwill [Table Text Block] SCHEDULE II, VALUATION AND QUALIFYING ACCOUNTS Schedule of Valuation and Qualifying Accounts Disclosure [Text Block] Foreign currency translation adjustments, net of tax (expense) benefit of $(2), $12, and $(1) in fiscal 2014, 2013, and 2012 Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Adjustment, Net of Tax Net actuarial gain (loss), net of tax (expense) benefit of $xx, $xx, and $xx in fiscal 2014, 2013 and 2012 Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Gain (Loss), Net of Tax Prior service credit (cost), net of tax (expense) benefit of $0, $(8), and $6 in fiscal 2014, 2013, and 2012 Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Net Prior Service Cost (Credit) Arising During Period, Net of Tax Amortization of transition obligation, net of tax expense of $0 for fiscal 2014, 2013, and 2012 Amortization of prior service credit (cost), net of tax benefit of $1, $1, and $1 in fiscal 2014, 2013, and 2012 Amortization of net actuarial gain, net of tax (expense) of $0, $0, and $0 in fiscal 2014, 2013, and 2012 Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Net of Tax Foreign currency exchange (loss) gain, net of tax benefit (expense) of $0, $(8), and $0 in fiscal 2014, 2013, and 2012 Other Comprehensive Income (Loss), Foreign Currency Transaction and Translation Gain (Loss) Arising During Period, Net of Tax Pension and other postretirement benefit plans, net of tax Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax Other comprehensive income (loss), net of tax Comprehensive income (loss) Comprehensive Income (Loss), Net of Tax, Including Portion Attributable to Noncontrolling Interest Less: comprehensive income (loss) attributable to noncontrolling interest Comprehensive Income (Loss), Net of Tax, Attributable to Noncontrolling Interest Comprehensive income (loss) attributable to CSC common stockholders Comprehensive Income (Loss), Net of Tax, Attributable to Parent Restatement and Adjustment of Consolidated Financial Statements Schedule of Restructuring and Related Costs Restructuring and Related Costs [Table Text Block] Schedule of Restructuring Reserve by Type of Cost Schedule of Restructuring Reserve by Type of Cost [Table Text Block] Income Tax Holiday [Table] Income Tax Holiday [Table] Holiday tax incentives in India Holiday tax incentives in India [Member] The designated tax department of a government entitled to levy and collect income taxes from the entity outside its country of domicile. Income Tax Holiday [Line Items] Income Tax Holiday [Line Items] Additional year of tax holiday extension Additional year of tax holiday extension Additional year of tax holiday extension Reduction in tax expense due to tax holiday incentives Income Tax Holiday, Aggregate Dollar Amount Reduction in tax expense due to tax holiday incentives per share (in dollars per share) Income Tax Holiday Aggregate Dollar Amount Per Share On a per share basis, the amount of income taxes from which a reporting entity is exempt or for which it will receive a reduction in income taxes as a result of the income tax holiday granted by the taxing jurisdiction. Use of Estimates Use of Estimates, Policy [Policy Text Block] Revenue Recognition Revenue Recognition, Policy [Policy Text Block] Depreciation and Amortization Property, Plant and Equipment, Policy [Policy Text Block] Pension and Other Benefit Plans Pension and Other Postretirement Plans, Policy [Policy Text Block] Software Development Costs Research, Development, and Computer Software, Policy [Policy Text Block] Outsourcing Contract Costs Outsourcing Contract Costs1 [Policy Text Block] Describes an entity's accounting policy with respect to timing of deferral and expensing of certain costs related to initiation of outsourcing contracts. Stock-Based Compensation Compensation Related Costs, Policy [Policy Text Block] Acquisition Accounting and Goodwill Goodwill and Intangible Assets, Policy [Policy Text Block] Fair Value Fair Value of Financial Instruments, Policy [Policy Text Block] Receivables Receivables, Policy [Policy Text Block] Impairment of Long-Lived Assets Impairment or Disposal of Long-Lived Assets, Policy [Policy Text Block] Income Taxes Income Tax, Policy [Policy Text Block] Cash and Cash Equivalents Cash and Cash Equivalents, Policy [Policy Text Block] Foreign Currency Foreign Currency Transactions and Translations Policy [Policy Text Block] Earnings (Loss) Per Share Earnings Per Share, Policy [Policy Text Block] New Accounting Pronouncements and Standards Not Yet Adopted New Accounting Pronouncements, Policy [Policy Text Block] Foreign currency translation adjustments, net Prior service credit (cost), net of tax Amortization of transition obligation, net Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Transition Asset (Obligation), Net of Tax Amortization of prior service cost, net Amortization of net actuarial gain, net Foreign currency exchange (loss) gain, net of tax Pension and other postretirement benefit plans, net of tax Other Comprehensive Income (Loss), Net of Tax Comprehensive income (loss) Comprehensive income (loss) attributable to CSC common stockholders Schedule of receivables Schedule of Accounts, Notes, Loans and Financing Receivable [Table Text Block] Document Information [Abstract] Document Information [Abstract] 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 Amendment Description Amendment Description 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 Schedule of Business Acquisition Schedule of Business Acquisitions, by Acquisition [Table] Award Type [Axis] Award Type [Axis] Award Type [Domain] Equity Award [Domain] Business Acquisition [Axis] Business Acquisition [Axis] Business Acquisition, Acquiree [Domain] Business Acquisition, Acquiree [Domain] ServiceMesh, Inc ServiceMesh, Inc [Member] ServiceMesh, Inc [Member] InfoChimps Inc [Member] InfoChimps Inc [Member] InfoChimps Inc [Member] Acquisition of privately held entities [Member] Acquisition of privately held entities [Member] The aggregation and reporting of combined amounts of individually immaterial business combinations that were completed during the period. AppLabs Acquisition [Member] AppLabs Acquisition [Member] AppLabs Tachnologies Private Limited (AppLabs), a company headquartered in India. iSOFT Group Limited [Member] iSOFT Group Limited [Member] A publically-held company listed on the Australian Securities Exchange and provides advanced application solutions principally to secondary care providers across both the public and private sectors. Other Acquisition [Member] Other Acquisition [Member] Acquisition of two small privately held entities. Developed Technology Rights [Member] Developed Technology Rights [Member] Trade Names [Member] Trade Names [Member] Customer Relationships and Trade Names [Member] Customer Relationships and Trade Names [Member] Customer Relationships and Trade Names [Member] Selling, General and Administrative Expenses [Member] Selling, General and Administrative Expenses [Member] Business Acquisition [Line Items] Business Acquisition [Line Items] Current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets, Current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Assets, Current Intangible assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Finite-Lived Intangibles Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Liabilities Goodwill Business Combination, Recognized Identifiable Assets Acquired, Goodwill, and Liabilities Assumed, Net Acquired debt paid off Repayments of Debt Summary of consolidated information as reported [Abstract] Summary of consolidated information as reported [Abstract] 1b339338-4059-aabe-71c5-cb00d6c4f253 Net Income (Loss) Attributable to Parent Results of acquisitions included in consolidated financial statements [Abstract] Results Of Acquisitions Included In Consolidated Financial Statements [Abstract] ce677e88-21fe-f56d-2e3a-cb00df966f11 Currency gains Disposal Group, Including Discontinued Operation, Foreign Currency Translation Gains (Losses) Pre-tax net income (loss) Assets acquired and liabilities assumed [Abstract] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net [Abstract] Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables and Other Current Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables and Other Current Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables and Other Current Assets Cash and cash equivalents Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Cash and Equivalents Trade and other receivables Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Receivables Other current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Prepaid Expense and Other Assets Property and equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Trade Payables And Accrued Expenses Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Trade Payables And Accrued Expenses Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Trade Payables And Accrued Expenses Business Acquisition, Purchase Price Allocation, Other Noncurrent Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Other Noncurrent Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Taxes Payable and Accrued Expenses Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Taxes Payable and Accrued Expenses Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Taxes Payable and Accrued Expenses Trade payables and accrued expenses Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Trade and Other Receivables Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Trade and Other Receivables Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets, Other Deferred revenue Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Deferred Revenue Debt Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Long-term Debt Current assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Assets Current liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities Income tax liabilities and deferred income taxes Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Taxes and Uncertain Tax Positions Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Taxes and Uncertain Tax Positions Other liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Noncurrent Liabilities, Other Business Combination, Consideration Transferred Business Combination, Consideration Transferred Estimated useful life, lower range Acquired Finite Lived Intangible Asset Weighted Average Useful Life Lower Range The calculated weighted-average amortization period, at lower range, of a major class of finite-lived intangible assets acquired during the current period either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Estimated useful life, upper range Acquired Finite Lived Intangible Asset Weighted Average Useful Life Upper Range The calculated weighted-average amortization period, at upper range, of a major class of finite-lived intangible assets acquired during the current period either individually or as part of a group of assets (in either an asset acquisition or business combination). A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company. Estimated useful life Acquired Finite-lived Intangible Assets, Weighted Average Useful Life Fair value of accounts receivable [Abstract] Business Combination, Acquired Receivables [Abstract] Uncollectible contractual receivables Business Combination, Acquired Receivables, Estimated Uncollectible Tax deductible goodwill Business Acquisition, Goodwill, Expected Tax Deductible Amount Number of acquisitions (in number of entity) Number of Businesses Acquired Transaction costs included (excluded) due to integration of acquisition into Company's operations Transaction Costs Included (Excluded) From Integration of Acquisition Into Company's Operations A disclosure of the amount of transaction costs included or excluded from the Company's operations due to an integration of an acquisition. Unaudited pro forma summary of consolidated information [Abstract] Business Acquisition, Pro Forma Information [Abstract] Revenue Business Acquisition Pro Forma Revenues The pro forma revenue for a period as if the business combination or combinations had been completed at the beginning of the period. Net (loss) income attributable to CSC common shareholders Business Acquisitions Pro Forma Net Loss Income The pro forma net income or loss for the period as if the business combination or combinations had been completed at the beginning of a period. Basic EPS (in dollars per share) Business Acquisition, Pro Forma Earnings Per Share, Basic Diluted EPS (in dollars per share) Business Acquisition, Pro Forma Earnings Per Share, Diluted Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financial Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Financial Liabilities Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Contingent Liability Business Combination, Contingent Consideration, Liability Business Combination, Contingent Consideration, Liability Business Combination, Acquisition Related Costs Business Combination, Acquisition Related Costs Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets, Current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Assets, Current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment and Other Noncurrent Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment and Other Noncurrent Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment and Other Noncurrent Assets Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable, Accrued Expenses and Deferred Revenue Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable, Accrued Expenses and Deferred Revenue Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Current Liabilities, Accounts Payable, Accrued Expenses and Deferred Revenue Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities, Current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Deferred Tax Liabilities, Current Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Net Goodwill Shares granted in acquisition Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period Payments to Acquire Businesses, Gross Payments to Acquire Businesses, Gross Income Statement [Abstract] Costs of services (excludes depreciation and amortization, settlement charge, and restructuring costs of $70 (2014), $238 (2013), and $137 (2012)) Selling, general and administrative (excludes restructuring costs of $6 (2014), $26 (2013), and $3 (2012)) Interest income Tax expense (benefit) on income Income (loss) from continuing operations Income from discontinued operations, net of taxes Net income (loss) Less: Less: [Abstract] Less: [Abstract] Earnings (loss) per common share - Basic: Basic: [Abstract] Basic: [Abstract] Earnings (loss) per common share - Diluted: Diluted: [Abstract] Diluted: [Abstract] Schedule of Change in Accounting Estimate Schedule of Change in Accounting Estimate [Table Text Block] Schedule of Restructuring and Related Costs [Table] Schedule of Restructuring and Related Costs [Table] Restructuring Plan [Axis] Restructuring Plan [Axis] Restructuring Plan [Domain] Restructuring Plan [Domain] Restructuring Plan Fiscal 2013 Plan [Member] Restructuring Plan Fiscal 2013 Plan [Member] Restructuring Plan Fiscal 2013 Plan [Member] Restructuring Plan Fiscal 2012 Plan [Member] Restructuring Plan Fiscal 2012 Plan [Member] Restructuring Plan Fiscal 2012 Plan [Member] Pension Benefit Augmentation [Member] Pension Benefit Augmentation [Member] Pension Benefit Augmentation [Member] Workforce reductions Employee Severance [Member] Facility Closing [Member] Facility Closing [Member] Other [Member] Restructuring Cost and Reserve [Line Items] Restructuring Cost and Reserve [Line Items] Restructuring Reserve [Roll Forward] Restructuring Reserve [Roll Forward] Restructuring liability at beginning of period Restructuring Reserve Costs not affecting restructuring liability Severance Costs Cash paid Payments for Restructuring Other Restructuring Reserve, Translation Adjustment Restructuring liability at end of period Restructuring liability Restructuring and Related Cost, Cost Incurred to Date Increase (Decrease) in Accrued Liabilities Increase (Decrease) in Accrued Liabilities Increase (Decrease) in Other Accrued Liabilities Increase (Decrease) in Other Accrued Liabilities Professional Fees Professional Fees Amount Adjusted for Removal of Errors [Member] Scenario, Actual [Member] Costs of services - specified contract charge (excludes amount charged to revenue of $204) Restructuring costs Other expense (income), net Earnings Per Share, Diluted [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] Share-based Compensation, Shares Authorized under Stock Option Plans, by Exercise Price Range [Axis] Exercise Price Range [Axis] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Domain] $23.06-$39.04 [Member] Stock option price range 1 [Member] This member represents stock options with a specific price range have been authorized under a stock option plan. $39.11-$48.61 [Member] Stock option price range 2 [Member] This member represents stock options with a specific price range have been authorized under a stock option plan. $48.65-$60.25 [Member] Stock option price range 3 [Member] This member represents stock options with a specific price range have been authorized under a stock option plan. Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Range of Option Exercise Price, Minimum Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Lower Range Limit Range of Option Exercise Price, Maximum Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Upper Range Limit Number of options outstanding (in shares) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Outstanding Options Weighted average exercise price (in dollars per share) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Outstanding Options, Weighted Average Exercise Price Weighted average remaining contractual life (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Remaining Contractual Term Number of exercisable options (in shares) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Number of Exercisable Options Weighted average exercise price of exercisable options (in dollars per share) Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range, Exercisable Options, Weighted Average Exercise Price Award Date [Axis] Award Date [Axis] Award Date [Domain] Award Date [Domain] Fiscal 2013 and Thereafter [Member] Fiscal 2013 and Thereafter [Member] Fiscal 2013 and Thereafter [Member] Prior to Fiscal Year 2013 [Member] Prior to Fiscal Year 2013 [Member] Prior to Fiscal Year 2013 [Member] Cost Of Services [Member] Cost Of Services [Member] Cost Of Services [Member] Allocated Share Based Compensation Expense Selling General And Administrative [Member] Allocated Share Based Compensation Expense Selling General And Administrative [Member] Represents the portion of the expense recognized during the period, allocated to selling, general and adminstrative, arising from share-based compensation arrangements (for example, shares of stock, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. Plan Name [Axis] Plan Name [Axis] Plan Name [Domain] Plan Name [Domain] SMI Employees [Member] SMI Employees [Member] SMI Employees [Member] Nonemployee Director Incentives [Member] Nonemployee Director Incentives [Member] Incentive plans for nonemployee directors [Member] Performance-based Restricted Stock Units (PSUs) Performance Shares [Member] Stock Options and RSU's [Member] Stock Options and RSU's [Member] Stock Options and RSU's [Member] Other stock based incentives [Member] Other Equity Awards [Member] Incentive plans which authorize the issuance of stock options, restricted stock and other stock-based incentives to employees upon terms approved by the compensation committee of the board of directors. Total Restricted Stock Awards And Other Stock Based Incentives [Member] Restricted Stock Awards and Other Stock Based Incentives [Member] The total of all restricted stock and other stock based incentive plan units (other than stock options). Type of other equity award [Axis] Type of other equity award [Axis] Pertinent data describing and reflecting required disclosures pertaining to other equity award, by plan. Type of other equity award [Domain] Type of other equity award [Domain] Equity-based compensation plans and award types, including multiple equity-based payment arrangements. Service-based RSU's [Member] Service-based RSU's [Member] Service-based units which are dependent upon a predetermined term of service and compliance with certain non-competition covenants post termination. Vesting [Axis] Vesting [Axis] Vesting [Domain] Vesting [Domain] Contingent Accelerated Vesting [Member] Share-based Compensation Award, Tranche One [Member] Share-based Compensation Award, Tranche One [Member] Term Of Historical Daily Closing Price On Which Historical Volatilty Calculation Was Based In Prior Periods Term Of Historical Daily Closing Price On Which Historical Volatilty Calculation Was Based In Prior Periods Term (in years) of historical daily closing price on which the historical volatility calculation was based in prior periods. 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 Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Term Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate Number of incentive plans within the employee or nonemployee plan Share Based Compensation Arrangement By Share Based Payment Award Number Of Incentive Plans Within The Employee Or Nonemployee Plan The number of plans that are available either in the employee incentive plans or the nonemployee incentive plans. Number of common shares available for grant at period end Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant Issue price of award (in dollars per share) Share Based Compensation Arrangement By Share Based Payment Award Issue Price Of Award Issue price of award on date granted. Vesting period - minimum (in years) Number of anniversaries following the executive's termination that the shares are redeemable Share Based Compensation Arrangement By Share Based Payment Award Redeemable, Number of Anniversaries Share Based Compensation Arrangement By Share Based Payment Award Redeemable, Number of Anniversaries Information regarding stock options granted during the period [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward] Outstanding beginning of period (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Number Granted (in shares) Exercised (in shares) Canceled/Forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period Expired (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Expirations in Period Outstanding end of period (in shares) Vested and expected to vest [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest [Abstract] Vested and expected to vest in the future as of period end (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Number Exercisable as of period end (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Additional disclosures - stock options [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Options, Additional Disclosures [Abstract] Weighted average exercise price -beginning of period (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price Weighted average exercise price - granted (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Grants in Period, Weighted Average Exercise Price Weighted average exercise price - exercised (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Weighted average exercise price - cancelled/forfeited (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Forfeitures in Period, Weighted Average Exercise Price Weighted average exercise price - expired (in dollars per share) Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Weighted Average Exercise Price Weighted average exercise price - end of period (in dollars per share) Weighted average exercise price vested and expected to vest as of period end (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Exercise Price Weighted average exercise price exercisable as of period end (in dollars per share) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Exercise Price Weighted average remaining contractual life vested and expected to vest in the future as of period end (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Weighted average remaining contractual life exercisable as of period end (in years) Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Weighted Average Remaining Contractual Term Aggregate intrinsic value Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value Aggregate intrinsic value vested and expected to vest in the future as of period end Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value Aggregate intrinsic value exercisable as of period end Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Exercisable, Aggregate Intrinsic Value Aggregate disclosures [Abstract] Employee Service Share-based Compensation, Aggregate Disclosures [Abstract] Total intrinsic value of options exercised during the period Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value Total grant date fair value of stock options vested during the period Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period, Fair Value Cash received from stock awards exercised during the period Employee Service Share-based Compensation, Cash Received from Exercise of Stock Options Total unrecognized compensation expense related to unvested awards, net of expected forfeitures Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized Weighted average period over which cost is expected to be recognized (in years) Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition Equity instruments other than options nonvested [Roll Forward] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward] Equity instruments other than options nonvested - beginning balance (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number Equity instruments other than options nonvested - granted (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period Equity instruments other than options nonvested - released/redeemed (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested in Period Equity instruments other than options nonvested - canceled/forfeited (in shares) Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period Equity instruments other than options nonvested - ending balance (in shares) Additional disclosures other than options [Abstract] Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Additional Disclosures [Abstract] Weighted average fair value other than options - beginning balance (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 Weighted average fair value other than options - granted (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 Weighted average fair value other than options - released/redeemed (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 Weighted average fair value other than options - canceled/forfeited (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 Weighted average fair value other than options - ending balance (in dollars per share) Share Based Compensation Net Of Tax Share Based Compensation Net Of Tax The aggregate amount of noncash, net of tax, equity-based employee remuneration. This may include the value of stock options, amortization of restricted stock, and adjustment for officers compensation. As noncash, this element is an add back when calculating net cash generated by operating activities using the indirect method. Adjustment In Stock Compensation Expense Due To Actual Forfeiture True Up Adjustment In Stock Compensation Expense Due To Actual Forfeiture True Up Decrease in stock-based compensation expense due to adjustment to reflect actual forfeiture-experience for previous fiscal year Expected Volatility Rate Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate Dividend yield Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Dividend Rate Risk Free Interest Rate, Minimum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Minimum Risk Free Interest Rate, Maximum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Expected Volatility Rate, Minimum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Minimum Expected Volatility Rate, Maximum Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate, Maximum Weighted Average Grant Date Fair Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value Tax Benefit from Compensation Expense Employee Service Share-based Compensation, Tax Benefit from Compensation Expense Age Covenant Share-based Compensation Arrangement by Share-based Payment Award, Age Covenant Share-based Compensation Arrangement by Share-based Payment Award, Age Covenant Age Covenant, with Ten Years of Service Share-based Compensation Arrangement by Share-based Payment Award, Age Covenant, with Ten Years of Service Share-based Compensation Arrangement by Share-based Payment Award, Age Covenant, with Ten Years of Service Vesting Percent Share-based Compensation Arrangement by Share-based Payment Award, Vesting Pecent Share-based Compensation Arrangement by Share-based Payment Award, Vesting Pecent Age Covenant, with Five Years of Service Share-based Compensation Arrangement by Share-based Payment Award, Age Covenant, with Five Years of Service Share-based Compensation Arrangement by Share-based Payment Award, Age Covenant, with Five Years of Service Minimum Service Period Share-based Compensation Arrangement by Share-based Payment Award, Minimum Service Period Share-based Compensation Arrangement by Share-based Payment Award, Minimum Service Period Current Term Of Historical Daily Closing Price On Which Historical Volatilty Calculation Was Based Current Term Of Historical Daily Closing Price On Which Historical Volatilty Calculation Was Based Current term (in years) of historical daily closing price on which the historical volatility calculation was based. Award Vesting Rights, Percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Rights, Percentage [Extended to 2014 Taxonomy] Receivables, net of allowance for doubtful accounts of $48 (2014) and $48 (2013) Total current assets Software, net of accumulated amortization of $1,680 (2014) and $1,523 (2013) Outsourcing contract costs, net of accumulated amortization of $1,038 (2014) and $968 (2013) Total intangible and other assets Property and equipment, net of accumulated depreciation of $3,620 (2014) and $3,467 (2013) Current liabilities: Total current liabilities CSC stockholders’ equity: Preferred stock par value $1 per share; authorized 1,000,000 shares; none issued Common stock, par value $1 per share; authorized 750,000,000; issued 154,720,451 (2014) and 158,984,279 (2013) Less: common stock in treasury, at cost, 9,149,009 (2014) and 8,819,517 (2013) Total CSC stockholders’ equity Total Equity Total Liabilities and Equity Share Repurchase Program [Table] Class of Treasury Stock [Table] Open Market Purchases [Member] Open Market Purchases [Member] Open Market Purchases [Member] Accumulated Translation Adjustment [Member] Accumulated Translation Adjustment [Member] Accumulated Defined Benefit Plans Adjustment [Member] Accumulated Defined Benefit Plans Adjustment [Member] Foreign Currency Translation Adjustment [Member] Foreign Currency Translation Adjustment [Member] Foreign Currency Translation Adjustment [Member] Other Pension Plans, Postretirement or Supplemental Plans, Defined Benefit [Member] Other Pension Plan, Postretirement or Supplemental Plans [Member] Shares Repurchased From Employees Related To Stock Option Plans [Member] Shares Repurchased From Employees Related To Stock Option Plans [Member] Shares repurchased from employees by the company in consideration of tax withholdings associated with exercise of stock options. Equity, Class of Treasury Stock [Line Items] Equity, Class of Treasury Stock [Line Items] Stock Repurchase Program [Abstract] Stock Repurchase Program [Abstract] Stock Repurchase Program [Abstract] Share repurchase program Repurchased shares (in shares) Aggregate consideration Weighted average price (in dollars per share) Treasury Stock Acquired, Average Cost Per Share Treasury Stock Transactions [Abstract] Treasury Stock Transactions [Abstract] Treasury Stock Transactions [Abstract] Accepted common stock in lieu of cash in connection with exercise of stock options (in shares) Accepted common stock in lieu of cash in connection with exercise of stock options (in shares) Number of common stock shares that have been accepted in lieu of cash in connection with exercise of stock options during the period and are being held in treasury. Accepted common stock in lieu of cash in connection with the tax withholdings associated with the vesting and release of common stock (in shares) Accepted common stock in lieu of cash in connection with the tax withholdings (in shares) Number of common stock shares that have been accepted in lieu of cash in connection with the tax withholdings associated with the release of common stock upon vesting of restricted stock and restricted stock units during the period and are being held in treasury. Accumulated Other Comprehensive Income (Loss) [Roll Forward] Accumulated Other Comprehensive Income (Loss) [Roll Forward] Accumulated Other Comprehensive Income (Loss) [Roll Forward] Balance at March 30, 2012 Current-period other comprehensive loss income, net of taxes and non-controlling interests Other Comprehensive Income (Loss), Net of Tax, Portion Attributable to Parent Balance at March 29, 2013 Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Reclassification from Accumulated Other Comprehensive Income, Current Period, Net of Tax Disclosure of Compensation Related Costs, Share-based Payments [Abstract] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Line Items] Accumulated Other Comprehensive Income (Loss) [Line Items] Foreign currency translation adjustments (loss), Before tax Other Comprehensive Income (Loss), before Reclassifications, before Tax Amount before tax and reclassification adjustments of other comprehensive income (loss). Foreign currency translation adjustments (loss), Tax (Expense) Benefit Other Comprehensive Income (Loss), Before Reclassifications, Tax Other Comprehensive Income (Loss), Before Reclassifications, Tax Foreign currency translation adjustments (loss), Net of tax Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Other Comprehensive Income (Loss), before Reclassifications, Net of Tax Pension and other post-retirement benefit plans adjustments: Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, Net of Tax [Abstract] Prior service cost, Before Tax Prior service credit, Tax (Expense) Benefit Other Comprehensive (Income) Loss, Amortization Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, for Net Prior Service Cost (Credit), Tax Prior service cost, Net of tax Amortization of Transition Obligation, Before tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Amortization of Transition Obligation, before Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Amortization of Transition Obligation, before Tax Amortization of Transition Obligation, Tax (Expense) Benefit Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Amortization of Transition Obligation, Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Amortization of Transition Obligation, Tax Amortization of Transition Obligation, Net of Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Amortization of Transition Obligation, Net of Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Amortization of Transition Obligation, Net of Tax Amortization of Prior Service (Cost), before Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Amortization of Prior Service (Cost), before Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Amortization of Prior Service (Cost), before Tax Amortization of Prior Service (Cost), Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Amortization of Prior Service (Cost), Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Amortization of Prior Service (Cost), Tax Amortization of Prior Service (Cost), Net of Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Amortization of Prior Service (Cost), Net of Tax Other Comprehensive Income (Loss), Reclassification Adjustment from AOCI, Pension and Other Postretirement Benefit Plans, Amortization of Prior Service (Cost), Net of Tax Foreign currency exchange (loss) gain, before Tax Foreign currency exchange (loss) gain, Tax Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Foreign Currency Exchange Rate Changes, Tax Expense Benefit Other Comprehensive Income (Loss), Pension and Other Postretirement Benefit Plans, Foreign Currency Exchange Rate Changes, Tax Expense Benefit Foreign currency exchange (loss) gain, Net of Tax Other comprehensive Income (loss), Pension and Other Postretirement Benefit Plans, Foreign Currency Exchange Rate Changes, Net of Tax Other comprehensive Income (loss), Pension and Other Postretirement Benefit Plans, Foreign Currency Exchange Rate Changes, Net of Tax Total pension and other post-retirement benefit plans gain, before Tax Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Adjustment, before Tax Total pension and other post-retirement benefit plans gain, Tax Other Comprehensive (Income) Loss, Pension and Other Postretirement Benefit Plans, Tax Total other comprehensive income gain, Before Tax Other Comprehensive Income (Loss), before Tax Total other comprehensive income gain, Tax Other Comprehensive Income (Loss), Tax