v3.25.2
Net Earnings (Loss) Per Share (Details) - USD ($)
$ / shares in Units, shares in Millions, $ in Millions
 3 Months Ended 9 Months Ended 12 Months Ended
Jul. 31, 2025
Jul. 31, 2024
Jul. 31, 2025
Jul. 31, 2024
Oct. 31, 2024
Numerator:          
Net earnings (loss) attributable to common stockholders - Basic $ 276 $ 512 $ (205) $ 1,213  
Plus: 7.625% Series C mandatory convertible preferred stock dividends 29 0 87 0  
Net earnings (loss) - Diluted $ 305 $ 512 $ (118) $ 1,213  
Denominator:          
Weighted-average shares used to compute basic net EPS (in shares) 1,325 1,312 1,321 1,308  
Dilutive effect of employee stock plans (in shares) 16 20 0 17  
Dilutive effect of 7.625% Series C mandatory convertible preferred stock (in shares) [1] 80 0 0 0  
Weighted-average shares used to compute diluted net EPS (in shares) 1,421 1,332 1,321 1,325  
Net EPS:          
Basic (in dollars per share) $ 0.21 $ 0.39 $ (0.16) $ 0.93  
Diluted (in dollars per share) $ 0.21 $ 0.38 $ (0.16) $ 0.92  
Employee stock purchase plan (in shares) 18 0 55 0  
Convertible preferred stock (in shares) 0 0 78 0  
Anti-dilutive weighted average stock awards (in shares) [2] 18 0 133 0  
Convertible Preferred Stock          
Net EPS:          
Preferred stock dividend rate (as a percentage) 7.625%   7.625%   7.625%
[1] The effect of employee stock plans and Preferred Stock is excluded when calculating diluted net loss per share as it would be anti-dilutive.
[2] The Company excludes shares potentially issuable under employee stock plans that could dilute basic net EPS in the future from the calculation of diluted net EPS, as their effect, if included, would have been anti-dilutive for the periods presented.