Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2012	Jun. 30, 2011
Consolidated Balance Sheets
Preferred Stock, par value	$ 1.00	$ 1.00
Preferred Stock, shares authorized	300,000	300,000
Preferred Stock, shares issued	0	0
Common Stock, par value	$ 0.10	$ 0.10
Common Stock, shares authorized	1,000,000,000	1,000,000,000
Common Stock, shares issued	638,700,000	638,700,000
Common Stock, shares outstanding	484,200,000	490,800,000
Treasury Stock, shares	154,500,000	147,900,000