Condensed Consolidated Balance Sheets (Parenthetical) (USD $) In Millions, except Share data, unless otherwise specified	Mar. 31, 2013	Jun. 30, 2012
Condensed Consolidated Balance Sheets [Abstract]
Property, plant and equipment, accumulated depreciation	$ 1,787	$ 1,804
Preferred stock, par value per share	$ 1.00	$ 1.00
Preferred stock, shares authorized	5,000,000	5,000,000
Preferred stock, shares issued	0	0
Preferred stock, shares outstanding	0	0
Common stock, par value per share	$ 1.00	$ 1.00
Common stock, shares authorized	750,000,000	750,000,000
Common stock, shares issued	158,741,461	158,741,461
Common stock, shares outstanding	131,559,200	129,562,082
Treasury shares, shares	27,182,261	29,179,379