Number Of Shares Received Per Equity Award

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- Definition

Share-Based Compensation Arrangement By Share-Based Payment Award, Performance Period

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- Definition

Share Based Compensation Arrangement By Share Based Payment Award Redeemable, Number of Anniversaries

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No definition available.

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- Definition

Share-based Compensation Arrangement By Share-Based Payment Award, Award Settlement Period

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- Definition

Share-based Payment Plan Term

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No definition available.

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- Definition

Face amount or stated value per share of common stock.

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-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
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- Definition

Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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- Definition

Amount of cash inflow from exercise of option under share-based payment arrangement.

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-Topic 718
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- Definition

Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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- 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.

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No definition available.

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- Definition

The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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- Definition

Number of shares purchased for issuance under share-based payment arrangement.

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-Publisher FASB
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- Definition

Percentage of vesting of award under share-based payment arrangement.

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- Definition

Period from grant date that an equity-based award expires, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Stock Incentive Plans - Narrative (Details) $ / shares in Units, $ in Millions	12 Months Ended
	Mar. 31, 2021 USD ($) anniversary $ / shares shares	Mar. 31, 2020 USD ($) $ / shares	Mar. 31, 2019 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Plan term (in years)	10 years
Common stock, par value (in dollars per share) \| $ / shares	$ 0.01	$ 0.01
Cash received from stock awards exercised during the period \| $	$ 1	$ 9	$ 34
Number of common shares available for grant at period end (in shares)	33,449,396
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Term of options (in years)	10 years
Stock Options \| 33.33% vested in year 1
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage	33.33%
Stock Options \| 33.33% vested in year 2
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage	33.33%
Stock Options \| 33.33% vested in year 3
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage	33.33%
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares received per RSU (in shares)	1
Number of anniversaries following the executive's termination that the shares are redeemable \| anniversary	10
Total unrecognized compensation expense related to unvested awards, net of expected forfeitures \| $	$ 135
Weighted average period over which cost is expected to be recognized (in years)	1 year 11 months 15 days
RSUs \| Five Year Anniversary
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual installments (in years)	5 years
RSUs \| Ten Year Anniversary
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual installments (in years)	10 years
RSUs \| Fifteen Year Anniversary
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual installments (in years)	15 years
Performance-based Restricted Stock Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)	3 years
Award vesting rights, percentage	25.00%
Performance period (in years)	3 years
DXC Share Purchase Plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of common shares available for grant at period end (in shares)	155,308
DXC Share Purchase Plan \| Employee Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares purchased under plan (in shares)	51,302