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OVERVIEW, BASIS OF PRESENTATION AND SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details) (USD $)
In Millions, unless otherwise specified |
3 Months Ended | ||
|---|---|---|---|
|
Jan. 31, 2015
Y
M
|
Jan. 31, 2014
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Oct. 31, 2014
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| Accounting Policies [Abstract] | |||
| Fair value of long term debt in excess of carrying value | $ 45 | $ 53 | |
| Goodwill and Purchased Intangible Assets | |||
| Purchased intangible assets useful life range minimum (in months) | 6 | ||
| Purchased intangible assets useful life range maximum (in years) | 15 | ||
| Impairment of goodwill | 0 | 0 | |
| Impairment of intangible assets (IPR&D) | $ 0 | $ 0 | |