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CONSOLIDATED CONDENSED BALANCE SHEETS (Parenthetical) - $ / shares
Feb. 29, 2020
Aug. 31, 2019
Equity:    
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
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 $ 0.01
Common stock, authorized shares (in shares) 3,200,000,000 3,200,000,000
Common stock, issued (in shares) 1,172,513,618 1,172,513,618
Treasury stock, at cost (in shares) 292,116,419 277,126,116