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SHARE-BASED COMPENSATION (General Disclosures) (Details) - USD ($)
$ in Millions
12 Months Ended
Oct. 31, 2019
Oct. 31, 2018
Oct. 31, 2017
Nov. 01, 2017
Jul. 16, 2014
Incentive compensation plans [Abstract]          
Incentive compensation plan, number of shares authorized (in shares)   17,000,000   21,800,000 25,000,000
Term of the 2014 Stock Plan (in years) 10 years        
Common stock available for future awards under the 2014 Stock Plan (in shares) 8,000,000        
Percentage which rate options generally vest per year (in hundredths) 25.00%        
Maximum contractual term (in years) 10 years        
Percentage market value of the common stock option exercise price is generally not less than (in hundredths) 100.00%        
Time period after which participants of the performance stock award plan are entitled to receive unrestricted share of the company's stock, if specified performance targets are met 3 years        
Percentage rate restricted stock units generally vest per year (in hundredths) 25.00%        
Employee stock purchase plan [Abstract]          
Compensation percentage maximum eligible contribution to purchase shares of common stock 10.00%        
ESPP eligible employee common stock purchase price ratio 85.00%        
Automatic annual increase in shares authorized for issuance in ESPP, without the Board of Directors determined amount, percentage (in hundredths) 1.00%        
Common stock shares authorized and available for issuance under our ESPP (in shares) 75,000,000        
ESPP Employee purchased shares (in shares) 810,172 885,110 1,085,382    
ESPP employee purchases $ 48 $ 36 $ 32    
Number of common stock authorized and available for issuance under ESPP 20,491,958        
Aggregate participant contributions $ 26