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INVESTMENTS (Tables) | 12 Months Ended
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Oct. 31, 2016
Schedule of Investments [Abstract] |
Equity Investments | The following table summarizes the company's equity investments as of October 31, 2016 and 2015 (net book value):
| October 31,
| 2016 |  | 2015
| (in millions)
Long-Term |  |  |
Cost method investments | $ | 104 |  |  | $ | 23 |
Trading securities | 31 |  |  | 35 |
Equity method investments | — |  |  | 28 |
Total | $ | 135 |  |  | $ | 86 |
Realized gains and losses on sale of available-for-sale securities and other than temporary impairments Included in Other income (expense) | Amounts included in other income (expense), net for the appropriate share of loss on equity method investments and other than temporary impairments were as follows:
| Years Ended October 31,
| 2016 |  | 2015 |  | 2014
| (in millions)
Equity method investments - share of losses | $ | (10 | ) |  | $ | (9 | ) |  | $ | (7 | )
Equity method investments - other than temporary impairments | (18 | ) |  | — |  |  | — |
Total | $ | (28 | ) |  | $ | (9 | ) |  | $ | (7 | )

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- Definition Tabular disclosure of marketable securities. This may consist of investments in certain debt and equity securities, short-term investments and other assets. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26626-111562 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.4) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 5 -Subparagraph (d) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27232-111563 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 45 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=66010992&loc=d3e26610-111562 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 320 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=73527792&loc=d3e27161-111563 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.2,12) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition Tabular disclosure of the components of non-operating income or non-operating expense that may include amounts earned from dividends, interest on securities, gains (losses) on securities sold, equity earnings of unconsolidated affiliates, net gain (loss) on sales of business, interest expense and other miscellaneous income or expense items. + References No definition available. + Details
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