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SEGMENT INFORMATION (Segment Assets) (Details) - USD ($) $ in Millions | Oct. 31, 2015 | Oct. 31, 2014
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Segment Reporting [Abstract] |  |
Total reportable segments' assets | $ 2,796 | $ 1,976
Cash, cash equivalents and short-term investments | 483 | 810
Prepaid expenses | 98 | 51
Other current assets | 2 | 9
Investments | 70 | 63
Long-term and other receivables | 57 | 33
Other | 2 | 108
Total assets | $ 3,508 | $ 3,050

X
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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.18) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 12 -Article 7 + Details
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