Severance and Exit Costs (Tables)

12 Months Ended

Mar. 31, 2016

Restructuring and Related Activities [Abstract]

Accrued severance and exit costs activity

Accrued severance and exit costs and changes in the accruals for fiscal years 2016, 2015 and 2014 were as follows:

(in millions)	Accrued Balance at March 31, 2015		Expense		Change in Estimate			Payments			Accretion and Other		Accrued Balance at March 31, 2016
Severance charges	$	28	$	—	$	(3	)	$	(22	)	$	—	$	3
Facility exit charges	21		—		—			(5		)	—		16
Total accrued liabilities	$	49											$	19

(in millions)	Accrued Balance at March 31, 2014		Expense		Change in Estimate			Payments			Accretion and Other			Accrued Balance at March 31, 2015
Severance charges	$	55	$	60	$	(7	)	$	(77	)	$	(3	)	$	28
Facility exit charges	29		—		—			(9		)	1			21
Total accrued liabilities	$	84												$	49

(in millions)	Accrued Balance at March 31, 2013		Expense		Change in Estimate			Payments			Accretion and Other			Accrued Balance at March 31, 2014
Severance charges	$	16	$	160	$	(12	)	$	(113	)	$	4		$	55
Facility exit charges	23		22		—			(13		)	(3		)	29
Total accrued liabilities	$	39												$	84