Restructuring (Tables)

6 Months Ended

Sep. 30, 2018

Restructuring and Related Activities [Abstract]

Accrued restructuring severance and exit costs activity

Accrued restructuring severance and exit costs and changes in the accruals during the six months ended September 30, 2018 were as follows:

(in millions)	Accrued Balance at March 31, 2018		Expense		Change in Estimate			Payments			Accretion and Other		Accrued Balance at September 30, 2018
Severance charges	$	—	$	82	$	(6	)	$	(44	)	$	—	$	32
Facility exit charges	7		37		—			(6		)	—		38
Total accrued liabilities	$	7											$	70