Restructuring and Employee Severance (Liabilities Associated with Restructuring and Employee Severance Activities) (Details) - USD ($) $ in Millions	12 Months Ended
	Jun. 30, 2015	Jun. 30, 2014	Jun. 30, 2013
Employee-Related Costs
Restructuring Reserve
Beginning Balance	$ 24	$ 55	$ 16
Additions	34	23	63
Payments and other adjustments	(36)	(54)	(24)
Ending Balance	22	24	55
Facility Exit and Other Costs
Restructuring Reserve
Beginning Balance	0	2	2
Additions	1	1	2
Payments and other adjustments	(1)	(3)	(2)
Ending Balance	0	0	2
Total
Restructuring Reserve
Beginning Balance	24	57	18
Additions	35	24	65
Payments and other adjustments	(37)	(57)	(26)
Ending Balance	$ 22	$ 24	$ 57