Severance and Exit Costs (Tables)

12 Months Ended

Mar. 31, 2012

Severance and Exit Costs [Abstract]

Severance and exit costs activity

(in millions)	ACCRUED BALANCE AT MARCH 31, 2011		EXPENSE		CHANGE IN ESTIMATE			PAYMENTS			ACCRETION AND OTHER		ACCRUED BALANCE AT MARCH 31, 2012
Severance:
Fiscal 2012 Plan	$	—	$	49	$	(7	)	$	(31	)	$	—	$	11
Fiscal 2010 Plan		4		—		(1	)		(3	)		—		—
Fiscal 2007 Plan		4		—		—			(2	)		—		2
Total Severance	$	8	$	49	$	(8	)	$	(36	)	$	—	$	13
Facilities Abandonment:
Fiscal 2010 Plan	$	1	$	—	$	—		$	—		$	—	$	1
Fiscal 2007 Plan		46		—		—			(11	)		4		39
Total Facilities Abandonment	$	47	$	—	$	—		$	(11	)	$	4	$	40
Total Accrued Liabilities	$	55											$	53

(in millions)	ACCRUED BALANCE AT MARCH 31, 2010		EXPENSE		CHANGE IN ESTIMATE			PAYMENTS			ACCRETION AND OTHER			ACCRUED BALANCE AT MARCH 31, 2011
Severance:
Fiscal 2010 Plan	$	46	$	—	$	(4	)	$	(37	)	$	(1	)	$	4
Fiscal 2007 Plan		8		—		1			(5	)		—			4
Total Severance	$	54	$	—	$	(3	)	$	(42	)	$	(1	)	$	8
Facilities Abandonment:
Fiscal 2010 Plan	$	2	$	—	$	—		$	(1	)	$	—		$	1
Fiscal 2007 Plan		60		—		1			(18	)		3			46
Total Facilities Abandonment	$	62	$	—	$	1		$	(19	)	$	3		$	47
Total Liabilities	$	116												$	55

(in millions)	ACCRUED BALANCE AT MARCH 31, 2009		EXPENSE		CHANGE IN ESTIMATE			PAYMENTS			ACCRETION AND OTHER		ACCRUED BALANCE AT MARCH 31, 2010
Severance:
Fiscal 2010 Plan	$	—	$	48	$	—		$	(2	)	$	—	$	46
Fiscal 2007 Plan		45		—		(4	)		(33	)		—		8
Total Severance	$	45	$	48	$	(4	)	$	(35	)	$	—	$	54
Facilities Abandonment:
Fiscal 2010 Plan	$	—	$	2	$	—		$	—		$	—	$	2
Fiscal 2007 Plan		71		—		—			(19	)		8		60
Total Facilities Abandonment	$	71	$	2	$	—		$	(19	)	$	8	$	62
Total Liabilities	$	116											$	116