Stock Incentive Plans (Tables)

9 Months Ended

Dec. 31, 2019

Share-based Payment Arrangement [Abstract]

Schedule of Share Based Compensation Shares Authorized Under Stock Option Plans

The Board has reserved for issuance shares of DXC common stock, par value $0.01 per share, under each of the plans as detailed below:

	As of December 31, 2019
	Reserved for Issuance	Available for Future Grants
DXC Employee Equity Plan	34,200,000	19,613,146
DXC Director Equity Plan	230,000	33,451
DXC Share Purchase Plan	250,000	216,969
Total	34,680,000	19,863,566

Disclosure of Share Based Compensation Arrangements by Share Based Payment Award

Stock Options

	Number of Option Shares		Weighted Average Exercise Price		Weighted Average Remaining Contractual Term	Aggregate Intrinsic Value (in millions)
Outstanding as of March 31, 2019	2,318,768		$	30.40	4.80	$	79
Granted	—		$	—
Exercised	(315,655	)	$	31.87		$	8
Canceled/Forfeited	(618	)	$	48.60
Expired	(106,902	)	$	34.46
Outstanding as of December 31, 2019	1,895,593		$	29.92	4.69	$	18
Vested and expected to vest in the future as of December 31, 2019	1,895,481		$	29.92	4.69	$	18
Exercisable as of December 31, 2019	1,893,723		$	29.89	4.69	$	18

Restricted Stock

	Employee Equity Plan				Director Equity Plan
	Number of Shares		Weighted Average Grant Date Fair Value		Number of Shares		Weighted Average Grant Date Fair Value
Outstanding as of March 31, 2019	2,809,775		$	67.27	75,750		$	46.31
Granted	2,932,783		$	47.45	68,200		$	35.70
Settled	(986,573	)	$	54.57	(23,335	)	$	60.90
Canceled/Forfeited	(571,475	)	$	61.39	—		$	—
Outstanding as of December 31, 2019	4,184,510		$	57.18	120,615		$	37.49

Schedule of Employee Service Share-based Compensation, Allocation of Recognized Period Costs

Share-Based Compensation

	Three Months Ended					Nine Months Ended
(in millions)	December 31, 2019			December 31, 2018		December 31, 2019		December 31, 2018
Total share-based compensation cost	$	9		$	16	$	57	$	57
Related income tax benefit	$	(3	)	$	5	$	8	$	11
Total intrinsic value of options exercised	$	1		$	3	$	8	$	38
Tax benefits from exercised stock options and awards	$	3		$	13	$	13	$	32