CONSOLIDATED BALANCE SHEETS (Parenthetical) - $ / shares	Aug. 31, 2015	Aug. 31, 2014
Shareholders' Equity
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.0625
Preferred stock, authorized (in shares)	32,000,000	32,000,000
Preferred stock, issued (in shares)	0	0
Common stock, par value (in dollars per share)	$ 0.01	$ 0.078125
Common stock, authorized (in shares)	3,200,000,000	3,200,000,000
Common stock, issued (in shares)	1,172,513,618	1,028,180,150
Treasury stock, issued (in shares)	82,603,274	77,793,261