Share-Based Compensation and Savings Plans (Total Share-Based Payment Compensation by Type of Award) (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Jun. 30, 2010
Total share-based compensation	$ 85	$ 80	$ 100	[1]
Restricted Shares And Share Units
Total share-based compensation	55	52	57	[1]
Stock Options
Total share-based compensation	25	26	41	[1]
Performance Shares
Total share-based compensation	6	0	0	[1]
Employee Stock Purchase Plan
Total share-based compensation	0	0	1	[1]
Stock appreciation right (income)/expense
Total share-based compensation	(1)	2	1	[1]
Restructuring Charges
Total share-based compensation			10
Segment, Discontinued Operations
Total share-based compensation			$ 2

[1] (1)Excludes share-based compensation expense charged to discontinued operations, which was approximately $2 million, net of tax, during fiscal 2010. Share-based compensation expense charged to restructuring and employee severance related to the Spin-Off was approximately $10 million, net of tax, during fiscal 2010.