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, 2012	Jun. 30, 2011	Mar. 31, 2012
Restructuring and other charges [Roll Forward]
Beginning balance	$ 78	$ 117	$ 117
Charges to operations	27		16
Charges settled in cash	8		55
Charges settled in non-cash	(7)	0
Ending balance	90		78
Fiscal 2013 Restructuring | Workforce
Restructuring and other charges [Roll Forward]
Beginning balance	0	0	0
Charges to operations	16		0
Charges settled in cash	6		0
Charges settled in non-cash	0
Ending balance	10		0
Fiscal 2013 Restructuring | Facilities-Related
Restructuring and other charges [Roll Forward]
Beginning balance	0	0	0
Charges to operations	1		0
Charges settled in cash	0		0
Charges settled in non-cash	0
Ending balance	1		0
Fiscal 2013 Restructuring | Other Reorganizational Cost
Restructuring and other charges [Roll Forward]
Beginning balance	0	0	0
Charges to operations	9		0
Charges settled in cash	1		0
Charges settled in non-cash	(7)
Ending balance	1		0
Fiscal 2011 Restructuring | Workforce
Restructuring and other charges [Roll Forward]
Beginning balance	0	3	3
Charges to operations	0		(1)
Charges settled in cash	0		2
Charges settled in non-cash	0
Ending balance	0		0
Fiscal 2011 Restructuring | Other Reorganizational Cost
Restructuring and other charges [Roll Forward]
Beginning balance	75	101	101
Charges to operations	1		21
Charges settled in cash	1		47
Charges settled in non-cash	0
Ending balance	75		75
Other Restructurings and Reorganization | Facilities-Related
Restructuring and other charges [Roll Forward]
Beginning balance	3	8	8
Charges to operations	0		(12)
Charges settled in cash	0		(7)
Charges settled in non-cash	0
Ending balance	3		3
Other Restructurings and Reorganization | Other Reorganizational Cost
Restructuring and other charges [Roll Forward]
Beginning balance	0	5	5
Charges to operations	0		8
Charges settled in cash	0		13
Charges settled in non-cash	0
Ending balance	$ 0		$ 0