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SHARE-BASED COMPENSATION General Disclosures (Details) - USD ($)
$ in Millions
1 Months Ended 12 Months Ended
Nov. 30, 2025
Oct. 31, 2025
Oct. 31, 2024
Oct. 31, 2023
Employee stock purchase plan [Abstract]        
Compensation percentage maximum eligible contribution to purchase shares of common stock   10.00%    
Number of shares purchased under ESPP (in shares)   566,815 576,467 487,735
Aggregate Value stock issued under Employee Stock Purchase Plan   $ 57 $ 58 $ 57
Incentive compensation plans [Abstract]        
Common stock available for future awards under the 2018 Stock Plan (in shares)   15,563,998    
2018 Stock Plan        
Employee stock purchase plan [Abstract]        
Maximum number of shares authorized for issuance under the ESPP (in shares)   25,000,000    
2020 Employee Stock Purchase Plan (ESPP)        
Employee stock purchase plan [Abstract]        
Maximum number of shares authorized for issuance under the ESPP (in shares)   31,000,000    
Subsequent Event        
Employee stock purchase plan [Abstract]        
Number of shares purchased under ESPP (in shares) 223,241      
Aggregate Value stock issued under Employee Stock Purchase Plan $ 28      
Employee Stock Purchase Plan        
Employee stock purchase plan [Abstract]        
Percent of market price   85.00%    
Incentive compensation plans [Abstract]        
Common stock available for future awards under the 2018 Stock Plan (in shares)   23,234,771    
Share-based Payment Arrangement, Option        
Employee stock purchase plan [Abstract]        
Percent of market price   100.00%    
Incentive compensation plans [Abstract]        
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period   10 years    
Percentage which rate options generally vest per year (in hundredths)   25.00%    
Number of years from the date of grant generally vest (in years)   4 years    
Restricted Stock Units (RSUs)        
Incentive compensation plans [Abstract]        
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period   10 years    
Percentage which rate options generally vest per year (in hundredths)   25.00%    
Number of years from the date of grant generally vest (in years)   4 years    
Long-Term Performance Plan        
Incentive compensation plans [Abstract]        
Number of years from the date of grant generally vest (in years)   3 years    
Long-Term Performance Plan | Minimum        
Incentive compensation plans [Abstract]        
Percentage which rate options generally vest per year (in hundredths)   0.00%    
Long-Term Performance Plan | Maximum        
Incentive compensation plans [Abstract]        
Percentage which rate options generally vest per year (in hundredths)   200.00%