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OVERVIEW AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) $ in Millions | 12 Months Ended |
--- | --- | ---
Oct. 31, 2020 USD ($) numberOfCustomers | Oct. 31, 2019 USD ($) numberOfCustomers | Oct. 31, 2018 USD ($) numberOfCustomers | Oct. 31, 2017 USD ($)
Advertising Expense |  |  |  |
Advertising costs expensed as incurred | $ 48 | $ 36 | $ 41 |
Cash and Cash Equivalents |  |  |  |
Cash and cash equivalents | 1,441 | 1,382 | 2,247 |
Restricted Cash | 6 | 6 | 7 |
Cash, cash equivalents and restricted cash | $ 1,447 | $ 1,388 | $ 2,254 | $ 2,686
Accounts Receivable |  |  |  |
Number of customers representing 10 percent or more of accounts receivable. | numberOfCustomers | 0 | 0 | 0 |
Goodwill and Intangible Assets |  |  |  |
Goodwill impairment | $ 0 | $ 0 | $ 0 |
Impairment of indefinite-lived intangible assets | 90 | 0 | 0 |
Impairment of finite-lived intangible assets | 0 | 0 | 21 |
Long -Lived Assets |  |  |  |
Impairment of Long-Lived Assets | 98 | 0 | 21 |
Variable Interest Entity |  |  |  |
Remeasurement Gain on step acquisition | 0 | 0 | 20 |
Assets | 9,627 | 9,452 |  |
Fair Value Disclosures |  |  |  |
Fair value of long term debt in excess of carrying value | 162 | 62 |  |
Employee Compensation and Benefits |  |  |  |
Employee compensation and benefits accrued | 111 | 115 |  |
Share-based Payment Arrangement, Noncash Expense [Abstract] |  |  |  |
Share-based compensation expense | $ 84 | 72 | 71 |
Derivative Instruments |  |  |  |
Hedging contracts general maturity | 12 months |  |  |
Foreign Currency Translation |  |  |  |
Foreign currency translation net gain (Ioss) | $ (4) | (7) | $ (3) |
Accounts Receivable |  |  |  |
Accounts Receivable |  |  |  |
Number of customers representing 10 percent or more of accounts receivable. | numberOfCustomers | 0 |  |  |
Variable Interest Entity, Not Primary Beneficiary |  |  |  |
Variable Interest Entity |  |  |  |
Assets | $ 67 | 29 |  |
Non-US |  |  |  |
Cash and Cash Equivalents |  |  |  |
Cash and cash equivalents | $ 1,395 |  |  |
Lasergen |  |  |  |
Variable Interest Entity |  |  |  |
Purchase price for acquisition |  | 107 |  |
Remeasurement Gain on step acquisition |  | $ 20 |  |
Minimum |  |  |  |
Goodwill and Intangible Assets |  |  |  |
Finite Lived Intangible Assets Useful Life | 6 months |  |  |
Minimum | Machinery and Equipment |  |  |  |
Property, Plant and Equipment [Abstract] |  |  |  |
Property, Plant and Equipment, Useful Life | 3 years |  |  |
Minimum | Software Development |  |  |  |
Property, Plant and Equipment [Abstract] |  |  |  |
Property, Plant and Equipment, Useful Life | 3 years |  |  |
Maximum |  |  |  |
Goodwill and Intangible Assets |  |  |  |
Finite Lived Intangible Assets Useful Life | 15 years |  |  |
Maximum | Machinery and Equipment |  |  |  |
Property, Plant and Equipment [Abstract] |  |  |  |
Property, Plant and Equipment, Useful Life | 10 years |  |  |
Maximum | Software Development |  |  |  |
Property, Plant and Equipment [Abstract] |  |  |  |
Property, Plant and Equipment, Useful Life | 5 years |  |  |

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- Details
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