EBP 001 EBP 001 [Member] EBP 001 Entity tax identification number Entity Tax Identification Number Rollover contributions EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Rollover Maximum Maximum [Member] Legal Entity [Axis] Legal Entity [Axis] Statistical Measurement [Domain] Statistical Measurement [Domain] EBP, Description of Plan [Table] EBP, Description of Plan [Table] U.S. treasuries US Treasury Securities [Member] Mutual Funds Mutual Fund [Member] EBP, Related Party and Party-in-Interest Transactions [Table] EBP, Related Party and Party-in-Interest Transactions [Table] Pretax, maximum annual compensation to total compensation, percentage EBP, Participant Contribution, Pretax, Maximum Annual Compensation to Total Compensation, Percentage Self-directed brokerage EBP, Self-Directed Brokerage Account [Member] Total deductions EBP, Change in Net Asset Available for Benefit, Decrease Maximum borrowing, amount EBP, Note Receivable from Participant, Account, Maximum Borrowing, Amount Fair Value Measurements EBP, Investment, Fair Value and NAV [Text Block] Minimum borrowing, amount EBP, Note Receivable from Participant, Account, Minimum Borrowing, Amount Accrued expenses EBP, Accrued Expense Participant-directed investments - at fair value Investment Assets at Fair Value EBP, Investment, Excluding Plan Interest in Master Trust, Fair Value TARGET SERIES RETIREMENT 2025 Target Series Retirement 2025 [Member] Target Series Retirement 2025 TARGET SERIES RETIREMENT 2030 Target Series Retirement 2030 [Member] Target Series Retirement 2030 Level 1 Fair Value, Inputs, Level 1 [Member] EBP, Reconciliation of Financial Statement to Form 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Table Text Block] TARGET SERIES RETIREMENT 2035 Target Series Retirement 2035 [Member] Target Series Retirement 2035 EBP, Investment, Fair Value and NAV [Abstract] Participants quarterly administrative costs EBP, Administration Cost, Participant Quarterly Cost EBP, Administration Cost, Participant Quarterly Cost Total assets EBP, Asset Assets: EBP, Asset [Abstract] Statistical Measurement [Axis] Statistical Measurement [Axis] Employer Matching Contribution for Selected Groups of Participants EBP, Employer Matching Contribution For Selected Groups Of Participants [Member] EBP, Employer Matching Contribution For Selected Groups Of Participants EBP, Statement of Change in Net Asset Available for Benefit [Table] EBP, Statement of Change in Net Asset Available for Benefit [Table] Payment of Benefits EBP, Payment to Participant [Policy Text Block] Transfer in (Note 1) Transfers into plan EBP, Change in Net Asset Available for Benefit, Transfer to (from) Plan EBP, Trustee EBP, Trustee [Member] Total liabilities EBP, Liability Amendment Flag Amendment Flag Basis of Accounting EBP, Basis of Accounting [Policy Text Block] EBP, Schedule of Asset Held for Investment [Table] EBP, Schedule of Asset Held for Investment [Table] Unsettled trade receivables EBP, Investment Sale, Receivable Rate of interest EBP, Investment, Interest Rate Investment, number of shares (in shares) EBP, Investment, Number of Shares Primary residence, borrowing term EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Borrowing Term EBP, Note Receivable From Participant, Account, Primary Residence, Maximum Borrowing Term EBP, Description of Plan and Accounting Change [Abstract] Receivables: EBP, Receivable [Abstract] EBP, Investment, Fair Value and NAV EBP, Investment, Fair Value and NAV [Table Text Block] Investments [Domain] Investments [Domain] Common stock EBP, Nonemployer, Common Stock [Member] Use of Estimates EBP, Use of Estimate [Policy Text Block] EBP, Related Party and Party-in-Interest [Domain] EBP, Related Party and Party-in-Interest [Domain] Schedule of Assets Held, Form 5500, Schedule H, Line 4i EBP, Schedule of Asset Held for Investment [Text Block] Cover [Abstract] Amounts allocated to withdrawing participants not yet paid Amounts allocated to withdrawing participants EBP, Reconciliation to Form 5500, Net Asset Available for Benefit, Allocation to Withdrawing Participant, Not yet Paid Maximum after-tax contributions, percentage of compensation EBP, Participant Contribution, After-Tax, Voluntary Annual Contributions To Total Compensation, Percentage EBP, Participant Contribution, After-Tax, Voluntary Annual Contributions To Total Compensation, Percentage Employer contributions EBP, Change in Net Asset Available for Benefit, Increase from Employer Contribution, Cash Investment, number of shares purchased (in shares) EBP, Investment, Purchased, Number of Shares Amounts allocated to withdrawing participants at start of year EBP, Reconciliation to Form 5500, Payment to Participant, Decrease from Allocation to Withdrawing Participant, Paid Short term investment fund EBP, Short-Term Investment Fund, Separately Managed Account [Member] EBP, Short-Term Investment Fund, Separately Managed Account Vesting percentage upon reaching maximum vesting age EBP, Employer Contribution Vesting Percentage Upon Reaching Maximum Vesting Age EBP, Employer Contribution Vesting Percentage Upon Reaching Maximum Vesting Age EBP, Risk and Uncertainty EBP, Risk and Uncertainty [Table Text Block] EBP, Related Party and Party-in-Interest [Axis] EBP, Related Party and Party-in-Interest [Axis] Minimum Minimum [Member] Accrued investment income EBP, Investment Income, Receivable Asset and other mortgage backed securities EBP, Asset-Backed Securities And Other Mortgage-Backed Securities [Member] EBP, Asset-Backed Securities And Other Mortgage-Backed Securities Investment Type [Axis] Investment Type [Axis] Interest income on notes receivable from participants EBP, Change in Net Asset Available for Benefit, Increase from Interest Income on Note Receivable from Participant Agency mortgage backed securities Mortgage-Backed Security, Issued by US Government-Sponsored Enterprise [Member] Total additions EBP, Change in Net Asset Available for Benefit, Increase from Contribution Participant contributions EBP, Change in Net Asset Available for Benefit, Increase from Participant Contribution, Excluding Rollover Net appreciation in fair value of investments EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Gain (Loss) on Investment Interest and Dividends EBP, Change in Net Asset Available for Benefit, Increase from Interest and Dividend Income on Investment EBP, Description of Plan [Line Items] EBP, Description of Plan [Line Items] Plan number EBP, Plan Number Investment, Issuer Name [Axis] Investment, Issuer Name [Axis] EBP, Investment, Fair Value and NAV [Line Items] EBP, Investment, Fair Value and NAV [Line Items] Description of the Plan EBP, Description of Plan [Text Block] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Change in Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Table] EBP, Statement of Net Asset Available for Benefit [Table] Distributions allocated to withdrawing participants at start of year EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Prior Period, Increase from Deemed Distribution EBP, Schedule of Asset Held for Investment [Line Items] EBP, Schedule of Asset Held for Investment [Line Items] DXC Technology common stock EBP, Employer, Common Stock [Member] Maximum vesting age EBP, Employer Contribution Maximum Vesting Age Maximum Vesting age of participant for company contribution and/ or investment earning in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions. EBP, Schedule of Asset Held for Investment [Abstract] EBP, Accounting Policy [Table] EBP, Accounting Policy [Table] Net additions EBP, Change in Net Asset Available for Benefit, Increase General loan, minimum borrowing term EBP, Note Receivable From Participant, General Loan, Minimum Borrowing Term EBP, Note Receivable From Participant, General Loan, Minimum Borrowing Term Investment income: EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment [Abstract] Short term investment fund Short-Term Investments [Member] Increase in Net Assets EBP, Change in Net Asset Available for Benefit, Including Plan Transfers, Increase (Decrease) EBP, Change in Net Asset Available for Benefit, Including Plan Transfers, Increase (Decrease) Investment, Identifier [Axis] Investment, Identifier [Axis] Administrative expenses EBP, Change in Net Asset Available for Benefit, Decrease from Administrative Expense Assets (Held at End of Year) EBP, Asset Held for Investment Basis spread on variable rate EBP, Participant Loan, Basis Spread On Variable Rate EBP, Participant Loan, Basis Spread On Variable Rate Risks and Uncertainties EBP, Risk and Uncertainty [Policy Text Block] Document Information [Line Items] Document Information [Line Items] State and local obligations US States and Political Subdivisions Debt Securities [Member] EBP, Risk and Uncertainty [Line Items] EBP, Risk and Uncertainty [Line Items] EBP, Risk and Uncertainty [Table] EBP, Risk and Uncertainty [Table] Non-U.S. government funds Debt Security, Government, Non-US [Member] Participant compensation matched, percentage EBP, Employer Contribution, Participant Compensation Matched, Percentage EBP, Statement of Change in Net Asset Available for Benefit [Abstract] Level 2 Fair Value, Inputs, Level 2 [Member] Investment, number of shares sold (in shares) EBP, Investment, Sold, Number of Shares Corporate bonds Corporate Bond Securities [Member] Distributions allocated to withdrawing participants at end of year EBP, Reconciliation to Form 5500, Change in Net Asset Available for Benefit, Current Period, Decrease from Deemed Distribution Net income per Form 5500 EBP, Form 5500 Caption, Net Income (Loss) EBP, Employer Contribution, Type [Axis] EBP, Employer Contribution, Type [Axis] EBP, Employer Contribution, Type EBP, Tax Status [Table] EBP, Tax Status [Table] Increase in Net Assets Before Plan Transfer Increase in Net Assets Before Plan Transfer per the financial statements EBP, Change in Net Asset Available for Benefit, Increase (Decrease) Short-term investment fund EBP, Short-Term Investment Fund [Member] EBP, Short-Term Investment Fund Exempt Party-in-Interest Transactions EBP, Related Party and Party-in-Interest Transactions [Text Block] EBP, Related Party and Party-in-Interest Transactions [Abstract] EBP, Accounting Policy, Accounting Standard Update, and Change in Accounting Principle [Abstract] Total receivables EBP, Receivable Employer contribution receivable EBP, Employer Contribution, Receivable Automatic deferral rate EBP, Participant Contribution, Automatic, Deferral Rate Distributions to participants Distributions to participants per the financial statements EBP, Change in Net Asset Available for Benefit, Decrease from Payment to Participant Current Value EBP, Asset Held for Investment, Investment, Excluding Plan Interest in Master Trust, Current Value Vesting percentage EBP, Employer Contribution Vesting Percentage Company contribution and/ or investment earning percentage vesting to the participant in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions, upon completion of minimum service period or attainment of maximum vesting age Fair Value Hierarchy and NAV [Domain] Fair Value Hierarchy and NAV [Domain] SSGA GLOBAL ALL CAP INDEX LENDING SSGA Global All Cap Index Lending [Member] SSGA Global All Cap Index Lending EBP, Statement of Net Asset Available for Benefit [Abstract] International common stocks EBP, Nonemployer, Common Stock, Non-US [Member] EBP, Nonemployer, Common Stock, Non-US EBP, Accounting Policy [Line Items] EBP, Accounting Policy [Line Items] Unsettled trade payables EBP, Liability for Investment Purchase EBP, Tax Status [Abstract] EBP, Reconciliation of Financial Statement to Form 5500 [Table] EBP, Reconciliation of Financial Statement to Form 5500 [Table] Non-interest bearing cash EBP, Noninterest-Bearing Cash EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] EBP, Reconciliation of Financial Statement to Form 5500 [Line Items] Total benefit payments per the Form 5500 EBP, Form 5500 Caption, Benefit Payment and Payments to Provide Benefits Reconciliation of Financial Statements to Form 5500 EBP, Reconciliation of Financial Statement to Form 5500 [Text Block] Participant loans EBP, Asset Held for Investment, Participant Loan, after Deemed Distribution Valuation of Investment Securities and Income Recognition EBP, Investment [Policy Text Block] Fair Value, Inputs, Level 1, Level 2, and Level 3 Fair Value, Inputs, Level 1, Level 2, and Level 3 [Member] Document Type Document Type EBP, Employer Contribution, Type [Domain] EBP, Employer Contribution, Type [Domain] EBP, Employer Contribution, Type [Domain] Entity Central Index Key Entity Central Index Key Participant loans - interest rates EBP, Asset Held for Investment, Participant Loan, Interest Rate Pretax, minimum annual compensation to total compensation, percentage EBP, Participant Contribution, Pretax, Minimum Annual Compensation To Total Compensation, Percentage EBP, Participant Contribution, Pretax, Minimum Annual Compensation To Total Compensation, Percentage EBP, Reconciliation of Financial Statement to Form 5500 [Abstract] Commingled funds Common Collective Trust [Member] Net assets available for benefits: EBP, Net Asset Available for Benefit [Abstract] EBP, Tax Status [Line Items] EBP, Tax Status [Line Items] EBP, Subsequent Event [Table] EBP, Subsequent Event [Table] Deductions: EBP, Change in Net Asset Available for Benefit, Decrease [Abstract] Forfeited nonvested account, decrease from employer contribution EBP, Forfeited Nonvested Account, Decrease from Employer Contribution Notes receivable from participants EBP, Note Receivable from Participant Fair Value Hierarchy and NAV [Axis] Fair Value Hierarchy and NAV [Axis] Summary of Significant Accounting Policies EBP, Summary of Accounting Policy [Text Block] Entity Registrant Name Entity Registrant Name Notes Receivable to Participants EBP, Note Receivable To Participant [Text Block] EBP, Note Receivable To Participant Automatic deferral rate, annual increase EBP, Participant Contribution, Automatic, Annual Increase Deferral Rate Annual increase in percentage of eligible compensation contributed for participant automatically enrolled in employee stock purchase, saving, or similar plan (employee benefit plan (EBP)) until the contribution reaches maximum threshold. EBP, Subsequent Event [Abstract] Liabilities: EBP, Liability [Abstract] Subsequent Events EBP, Subsequent Event [Text Block] Vesting percentage annual increase EBP, Employer Contribution Vesting Percentage Annual Increase EBP, Employer Contribution Vesting Percentage Annual Increase Tax Status EBP, Tax Status [Text Block] Maximum borrowing, to total account, percentage EBP, Note Receivable from Participant, Account, Maximum Borrowing, to Total Account, Percentage General loan, maximum borrowing term EBP, Note Receivable From Participant, General Loan, Maximum Borrowing Term EBP, Note Receivable From Participant, General Loan, Maximum Borrowing Term Investment percentage of total investments EBP, Risk and Uncertainty, Concentration of Investment at Fair Value to Total Investments, Percentage EBP, Subsequent Event [Line Items] EBP, Subsequent Event [Line Items] Document Information [Table] Document Information [Table] Investment, Issuer Name [Domain] Investment, Issuer Name [Domain] U.S. common stocks EBP, Nonemployer, Common Stock, US [Member] EBP, Nonemployer, Common Stock, US Notes Receivable from Participants EBP, Note Receivable from Participant [Policy Text Block] Total investment income EBP, Change in Net Asset Available for Benefit, Increase (Decrease) from Income (Loss) on Investment Vesting period EBP, Employer Contribution Vesting Service Period Minimum Vesting service period for company contribution and/ or investment earning to the participant in Company Matching Contributions, Fixed Rate Contributions, Discretionary Profit-Sharing Contributions, Qualified Non-Elective Contributions, and Disability Contributions. Amounts allocated to withdrawing participants at end of year EBP, Reconciliation to Form 5500, Payment to Participant, Increase from Allocation to Withdrawing Participant, Not yet Paid EBP, Related Party and Party-in-Interest Transactions [Line Items] EBP, Related Party and Party-in-Interest Transactions [Line Items] Level 3 Fair Value, Inputs, Level 3 [Member] U.S. government agencies US Government Agencies Debt Securities [Member] Net assets available for plan benefits Beginning of year End of year Net assets available for benefits per the financial statements EBP, Net Asset Available for Benefit Entity [Domain] Entity [Domain] Additions: EBP, Change in Net Asset Available for Benefit, Increase from Contribution [Abstract] Forfeited nonvested account EBP, Forfeited Nonvested Account Matching percentage EBP, Employer Contribution, Matching Percentage Net assets available for benefits per Form 5500 EBP, Form 5500 Caption, Net Assets Investments measured at NAV Fair Value Measured at Net Asset Value Per Share [Member] EBP, Investment, Fair Value and NAV [Table] EBP, Investment, Fair Value and NAV [Table] Employer Matching Contribution EBP, Employer Matching Contribution [Member] EBP, Employer Matching Contribution EBP, Statement of Net Asset Available for Benefit [Line Items] EBP, Statement of Net Asset Available for Benefit [Line Items]