Share-based Compensation (Tables)

12 Months Ended

Mar. 31, 2020

Share-based Payment Arrangement [Abstract]

Stock-based Compensation Expense

Share-based compensation expense and the resulting tax benefits recognized were as follows:

	Fiscal Years Ended
(in millions)	March 31, 2020		March 31, 2019		March 31, 2018
Share-based compensation expense	$	23	$	11	$	6
Income tax benefit	5		3		2
Share-based compensation expense, net of tax	$	18	$	8	$	4

Schedule of Restricted Unit Activity

A summary of PSU activity is presented below:

	Fiscal Year Ended March 31, 2020
(in thousands, except per share amounts)	Shares		Weighted Average Grant Date Fair Value Per Share
Outstanding at beginning of year	558		$	24
Granted	923		23
Forfeited	(114	)	24
Outstanding at end of year	1,367		$	24

A summary of RSU activity is presented below:

	Fiscal Year Ended March 31, 2020
(in thousands, except per share amounts)	Shares		Weighted Average Grant Date Fair Value Per Share
Outstanding at beginning of year	1,343		$	23
Granted	628		23
Vested	(318	)	24
Forfeited	(164	)	23
Outstanding at end of year	1,489		$	23

Summary of Stock Option Activity

A summary of stock option activity is presented below:

	Fiscal Year Ended March 31, 2020
(in millions, except shares in thousands and per share amounts in ones)	Shares		Weighted Average Exercise Price Per Share		Weighted Average Remaining Contractual Term in Years	Intrinsic Value
Outstanding at beginning of year	162		$	12
Exercised	(57	)	10
Forfeited	(3	)	11
Outstanding, vested and exercisable at end of year	102		$	13	2.7	$	520