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OVERVIEW, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) - USD ($) $ in Millions |  | 3 Months Ended | 6 Months Ended |
--- | --- | --- | --- | ---
Mar. 02, 2016 | Apr. 30, 2016 | Apr. 30, 2015 | Apr. 30, 2015 | Oct. 31, 2015
Variable Interest Entity Disclosures |  |  |  |  |
Carrying Value of Investments in VIE's |  | $ 103 |  |  |
Maximum Exposure of investments in VIE's |  | 109 |  |  |
Investment in Lasergen | $ 80 |  |  |  |
Percentage of Ownership in Lasergen | 48.00% |  |  |  |
Call option amount to acquire remaining shares of business | $ 105 |  |  |  |
Fair Value of Financial Instruments |  |  |  |  |
Fair value of long term debt in excess of carrying value |  | 87 |  |  | $ 30
Goodwill and Purchased Intangible Assets |  |  |  |  |
Impairment of goodwill |  | 0 | $ 0 |  |
Impairment of intangible assets (IPR&D) |  | $ 0 | 0 |  |
Minimum |  |  |  |  |
Finite-Lived Intangible Assets |  |  |  |  |
Purchased intangible assets useful life |  | 6 months |  |  |
Maximum |  |  |  |  |
Finite-Lived Intangible Assets |  |  |  |  |
Purchased intangible assets useful life |  | 15 years |  |  |
Services and other revenue |  |  |  |  |
Income Statement |  |  |  |  |
Prior period reclassification adjustment |  |  | 9 | $ 15 |
Services and other cost of sales |  |  |  |  |
Income Statement |  |  |  |  |
Prior period reclassification adjustment |  |  | $ 6 | $ 11 |

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