Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Per Share data	Jun. 30, 2011	Jun. 30, 2010
Consolidated Balance Sheets
Preferred Stock, par value	$ 1.00	$ 1.00
Preferred Stock, shares authorized	0.3	0.3
Preferred Stock, shares issued	0	0
Common Stock, par value	$ 0.10	$ 0.10
Common Stock, shares authorized	1,000.0	1,000.0
Common Stock, shares issued	638.7	638.7
Common Stock, shares outstanding	490.8	492.0
Treasury Stock, shares	147.9	146.7