Restructuring and Employee Severance (Liabilities Associated with Restructuring and Employee Severance Activities) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2011
Employee-Related Costs
Restructuring Reserve [Roll Forward]
Beginning Balance	$ 16	$ 6	$ 9
Additions to Restructuring Reserve	63	22	7
Restructuring Reserve, Period Increase (Decrease)	(24)	(12)	(10)
Ending Balance	55	16	6
Facility Exit and Other Costs
Restructuring Reserve [Roll Forward]
Beginning Balance	2	4	7
Additions to Restructuring Reserve	2	1	8
Restructuring Reserve, Period Increase (Decrease)	(2)	(3)	(11)
Ending Balance	2	2	4
Total
Restructuring Reserve [Roll Forward]
Beginning Balance	18	10	16
Additions to Restructuring Reserve	65	23	15
Restructuring Reserve, Period Increase (Decrease)	(26)	(15)	(21)
Ending Balance	$ 57	$ 18	$ 10