XML 108 R87.htm IDEA: XBRL DOCUMENT
v3.25.1

Pension and Other Benefit Plans - Narrative (Details) participant in Thousands, $ in Millions | 12 Months Ended
--- | ---
Mar. 31, 2025 USD ($) shares | Mar. 31, 2024 USD ($) | Mar. 31, 2023 USD ($) participant
Defined Benefit Plan Disclosure [Line Items] |  |  |
Defined benefit pension obligations transferred |  |  | $ 1,000
Number of plan participants obligations transferred | participant |  |  | 5
Pension settlement charge |  |  | $ 361
Measurement period used to calculate long-term rate of return on assets | 30 years |  |
Defined contribution plan contribution | $ 191 | $ 188 | $ 203
Shares of company common stock held in defined contribution plan assets (in shares) | shares | 2,069,090 |  |
Non-employee directors |  |  |
Defined Benefit Plan Disclosure [Line Items] |  |  |
Deferred compensation plan, maximum deferral percentage | 100.00% |  |
Deferred compensation plan, liability | $ 28 | 31 |
Deferred compensation plan, expense | $ 2 | $ 5 |

X
- Definition The maximum amount of compensation that a plan participant is allowed to defer of their eligible compensation. + References No definition available. + Details
Name: | dxc_DeferredCompensationArrangementMaximumDeferralPercentage
Namespace Prefix: | dxc_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Rate of Return on Plan Assets, Measurement Period + References No definition available. + Details
Name: | dxc_DefinedBenefitPlanAssumptionsUsedCalculatingNetPeriodicBenefitCostExpectedLongTermRateOfReturnOnPlanAssetsMeasurementPeriod
Namespace Prefix: | dxc_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Defined Benefit Plan, Benefit Obligation, Transferred + References No definition available. + Details
Name: | dxc_DefinedBenefitPlanBenefitObligationTransferred
Namespace Prefix: | dxc_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Defined Benefit Plan, Number Of Plan Participants, Obligations Transferred + References No definition available. + Details
Name: | dxc_DefinedBenefitPlanNumberOfPlanParticipantsObligationsTransferred
Namespace Prefix: | dxc_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition The number of shares of common stock included in the defined contribution plans at the fiscal year-end. + References No definition available. + Details
Name: | dxc_DefinedContributionPensionPlansNumberOfSharesOfCommonStockIncludedInPlanAssets
Namespace Prefix: | dxc_
Data Type: | xbrli:sharesItemType
Balance Type: | na
Period Type: | instant

X
- Definition Amount of contributions made by employer into fund established for purposes of making future disbursement to individual in accordance with deferred compensation arrangement. + References No definition available. + Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualContributionsByEmployer
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The carrying amount of the liability as of the balance sheet date to an individual under a deferred compensation arrangement. This amount may be the result of periodic accruals made over the period of active employment, or reflect termination benefits resulting contractual terms or a death benefit. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Topic 710 -SubTopic 10 -Name Accounting Standards Codification -Section 30 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483043/710-10-30-1 + Details
Name: | us-gaap_DeferredCompensationArrangementWithIndividualRecordedLiability
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition Amount of payment, which decreases benefit obligation of defined benefit plan, for irrevocable action relieving primary responsibility for benefit obligation and eliminating risk for obligation and assets used to effect settlement. Transaction constituting settlement includes, but is not limited to, making lump-sum cash payment to participant in exchange for their rights to receive specified benefits and purchasing nonparticipating annuity contract. Excludes decreases to benefit obligation for remeasurement due to settlement. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 715 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a)(10) -Publisher FASB -URI https://asc.fasb.org/1943274/2147480506/715-20-50-1 + Details
Name: | us-gaap_DefinedBenefitPlanBenefitObligationPaymentForSettlement
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition 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. + References No definition available. + Details
Name: | us-gaap_DefinedBenefitPlanDisclosureLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Amount of cost for defined contribution plan. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 715 -SubTopic 70 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org/1943274/2147480794/715-70-50-1 + Details
Name: | us-gaap_DefinedContributionPlanCostRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Details
Name: | dxc_DeferredCompensationArrangementWithTypeOfIndividualPostretirementBenefitsByTitleOfIndividualAxis=dxc_NonEmployeeDirectorsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |