Restructuring And Other Charges (Restructuring And Other Restructuring Plan-Related Information) (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended		12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Mar. 31, 2013
Restructuring and other charges [Roll Forward]
Beginning balance	$ 62	$ 78	$ 78
Charges to operations	1		27
Charges settled in cash	(2)		(36)
Charges settled in non-cash	0	7	(7)
Ending balance	61		62
Fiscal 2013 Restructuring | Workforce
Restructuring and other charges [Roll Forward]
Beginning balance	0	0	0
Charges to operations	0		10
Charges settled in cash	0		(10)
Charges settled in non-cash			0
Ending balance	0		0
Fiscal 2013 Restructuring | Facilities-Related
Restructuring and other charges [Roll Forward]
Beginning balance	2	0	0
Charges to operations	0		3
Charges settled in cash	(1)		0
Charges settled in non-cash			(1)
Ending balance	1		2
Fiscal 2013 Restructuring | Other Restructuring Costs
Restructuring and other charges [Roll Forward]
Beginning balance	1	0	0
Charges to operations	0		9
Charges settled in cash	0		1
Charges settled in non-cash			(7)
Ending balance	1		1
Fiscal 2011 Restructuring | Other Restructuring Costs
Restructuring and other charges [Roll Forward]
Beginning balance	57	75	75
Charges to operations	1		6
Charges settled in cash	(1)		(24)
Charges settled in non-cash			0
Ending balance	57		57
Other Restructurings and Reorganization | Facilities-Related
Restructuring and other charges [Roll Forward]
Beginning balance	2	3	3
Charges to operations	0		(1)
Charges settled in cash	0		(1)
Charges settled in non-cash			1
Ending balance	$ 2		$ 2