Restructuring and Employee Severance (Liabilities Associated with Restructuring and Employee Severance Activities) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Employee Severance
Restructuring Reserve [Roll Forward]
Balance, beginning	$ 6	$ 9	$ 13
Additions to Restructuring Reserve	22	7	33
Restructuring Reserve Payments and Other, Period (Decrease)	(12)	(10)	(37)
Balance, ending	16	6	9
Facility Exit and Other Costs
Restructuring Reserve [Roll Forward]
Balance, beginning	4	7	12
Additions to Restructuring Reserve	1	8	58
Restructuring Reserve Payments and Other, Period (Decrease)	(3)	(11)	(63)
Balance, ending	2	4	7
Total
Restructuring Reserve [Roll Forward]
Balance, beginning	10	16	25
Additions to Restructuring Reserve	23	15	91
Restructuring Reserve Payments and Other, Period (Decrease)	(15)	(21)	(100)
Balance, ending	$ 18	$ 10	$ 16