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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No definition available.

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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 Compensation Arrangement By Share-based Payment Award, Options, Converted Follow Acquisition, Percentage

+ References

No definition available.

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- Definition

Share-based Compensation Arrangement by Share-based Payment Award, Term

+ References

No definition available.

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- Definition

Share-based Payment Plan Term

+ References

No definition available.

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- Definition

Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section S99
-Paragraph 1
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- Definition

Unrecognized cost of unvested share-based compensation awards.

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- Definition

Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

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- Definition

Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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-Publisher FASB
-Name Accounting Standards Codification
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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.

+ References

No definition available.

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- Definition

The number of shares purchased on the open market during the period for issuance to employees under the plan.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
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- Definition

Percentage of vesting of share-based compensation awards.

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-Publisher FASB
-Name Accounting Standards Codification
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- Definition

Fair value of options vested. Excludes equity instruments other than options, for example, but not limited to, share units, stock appreciation rights, restricted stock.

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Stock Incentive Plans - Narrative (Details) $ in Millions		3 Months Ended		6 Months Ended
Stock Incentive Plans - Narrative (Details) $ in Millions	Apr. 01, 2017 USD ($)	Sep. 30, 2017 USD ($) shares	Sep. 30, 2016 USD ($)	Sep. 30, 2017 USD ($) anniversary shares	Sep. 30, 2016 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Incremental stock compensation expense		$ 17.0	$ 21.0	$ 57.0	$ 35.0
Plan term				10 years
Total unrecognized compensation expense related to unvested awards, net of expected forfeitures		$ 1.0		$ 1.0
Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Vesting period (in years)				3 years
Term of options				10 years
RSUs
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of shares received per RSU (in shares) \| shares		1		1
Total unrecognized compensation expense related to unvested awards, net of expected forfeitures		$ 146.0		$ 146.0
Weighted average period over which cost is expected to be recognized (in years)				2 years 3 months 10 days
RSUs \| Five Years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual installments				5 years
RSUs \| Ten Years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual installments				10 years
RSUs \| Fifteen Years
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Annual installments				15 years
RSUs \| Service-based RSU's
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Number of anniversaries following the executive's termination that the shares are redeemable \| anniversary				10
Performance-based Restricted Stock Units (PSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage				25.00%
Vesting period (in years)				3 years
Performance period				3 years
HPES
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Unvested awards became vested, triggered by Merger	$ 3.6
Incremental stock compensation expense	$ 26.0
HPES \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Percent of options converted into RSU's upon merger	67.00%
Upon Merger \| HPES \| Stock Options
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting rights, percentage	33.00%
DXC Share Purchase Plan \| Stock purchase plan
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Shares purchased under plan (in shares) \| shares		0		0