Severance and Exit Costs (Tables)

9 Months Ended

Dec. 31, 2014

Restructuring and Related Activities [Abstract]

Accrued severance and exit costs activity

Accrued severance and exit costs and changes in the accruals during the nine months ended December 31, 2014 and 2013 were as follows:

(in millions)	Accrued Balance at March 31, 2014		Expense		Change in Estimate			Payments			Accretion and Other			Accrued Balance at December 31, 2014
Severance charges	$	55	$	21	$	(3	)	$	(50	)	$	(1	)	$	22
Facility exit charges	29		—		—			(7		)	(1		)	21
Total accrued liabilities	$	84												$	43

(in millions)	Accrued Balance at March 31, 2013		Expense		Change in Estimate			Payments			Accretion and Other			Accrued Balance at December 31, 2013
Severance charges	$	16	$	123	$	(9	)	$	(88	)	$	3		$	45
Facility exit charges	23		20		—			(9		)	(3		)	31
Total accrued liabilities	$	39												$	76