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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

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