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SHARE-BASED COMPENSATION (Allocated Share-based Compensation Expense) (Details) - USD ($)
 12 Months Ended
Oct. 31, 2019
Oct. 31, 2018
Oct. 31, 2017
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]      
MTM adjustment for financial metrics based performance awards $ 8,000,000    
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Abstract]      
Share-based compensation expense 82,000,000 $ 59,000,000 $ 56,000,000
Employee Service Share Based Compensation Tax Benefit Realized From Exercise of Awards as a component of income tax expense 9,000,000 5,000,000  
Employee Service Share Based Compensation Tax Deficiency From Exercise Of awards as a component of equity     3,000,000
Cost of Products and Services [Member]      
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Abstract]      
Share-based compensation expense 14,000,000 11,000,000 11,000,000
Research and Development Expense [Member]      
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Abstract]      
Share-based compensation expense 16,000,000 10,000,000 9,000,000
Selling, General and Administrative Expenses [Member]      
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Abstract]      
Share-based compensation expense $ 52,000,000 $ 38,000,000 $ 36,000,000