Restructuring (Tables)

12 Months Ended

Mar. 31, 2019

Restructuring Costs [Abstract]

Schedule of Restructuring Liability

Restructuring activities related to certain employees and infrastructure, summarized by plan year, were as follows:

(in millions)	Accrued Restructuring as of March 31, 2018		Costs Expensed		Cash Paid			Accrued Restructuring as of March 31, 2019
Fiscal 2019 Plan:
Workforce reductions	$	—	$	1	$	(1	)	$	—
Facilities costs	—		2		(2		)	—
Total	$	—	$	3	$	(3	)	$	—
Fiscal 2018 Plan:
Workforce reductions	$	1	$	—	$	(1	)	$	—
Facilities costs	6		—		(2		)	4
Total	$	7	$	—	$	(3	)	$	4

(in millions)	Accrued Restructuring as of March 31, 2017		Costs Expensed, Net of Reversals		Cash Paid			Accrued Restructuring as of March 31, 2018
Fiscal 2018 Plan:
Workforce reductions	$	—	$	6	$	(5	)	$	1
Facilities costs	—		8		(2		)	6
Total	$	—	$	14	$	(7	)	$	7