v3.26.1
Consolidated Balance Sheets (Parenthetical) - USD ($)
$ in Millions
Jul. 31, 2026
Jul. 31, 2025
Allowance for doubtful accounts $ 5 $ 5
Preferred stock, $0.01 par value Authorized - 1,345 shares total; 145 shares designated Series A; 250 shares designated Series B Junior Participating Issued and outstanding - None    
Preferred stock, par value (in dollars per share) $ 0.01 $ 0.01
Preferred stock, shares authorized (in shares) 1,345,000 1,345,000
Common stock, $0.01 par value Authorized - 750,000 shares Issued - 268,384 shares at July 31, 2026 and 498,450 shares at July 31, 2025 Outstanding - 268,384 shares at July 31, 2026 and 279,129 shares at July 31, 2025    
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized (in shares) 750,000,000 750,000,000
Common Stock, Shares, Issued 268,384,000 498,450,000
Common stock, shares, outstanding (in shares) 268,384,000 279,129,000
Series A Preferred Stock    
Preferred stock, $0.01 par value Authorized - 1,345 shares total; 145 shares designated Series A; 250 shares designated Series B Junior Participating Issued and outstanding - None    
Preferred stock, shares authorized (in shares) 145,000 145,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0
Series B Preferred Stock    
Preferred stock, $0.01 par value Authorized - 1,345 shares total; 145 shares designated Series A; 250 shares designated Series B Junior Participating Issued and outstanding - None    
Preferred stock, shares authorized (in shares) 250,000 250,000
Preferred stock, shares issued (in shares) 0 0
Preferred stock, shares outstanding (in shares) 0 0