INVESTMENTS (Details) - USD ($) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
Oct. 31, 2018 |
Oct. 31, 2017 |
Oct. 31, 2016 |
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| Additional consideration paid | $ 107 | ||
| Gain on step acquisition | 20 | $ 0 | $ 0 |
| Cost method investment, VIE | 80 | ||
| Fair value of equity method investment | 0 | ||
| Long-Term [Abstract] | |||
| Cost method investments | 38 | 106 | |
| Trading securities | 30 | 32 | |
| Total | 68 | 138 | |
| Amounts included in other income (expense), net [Abstract] | |||
| Equity method investments - share of losses | 0 | 0 | (10) |
| Other-than-temporary impairment of equity method investment | 0 | 0 | (18) |
| Income Loss and impairment loss From Equity Method Investments | 0 | 0 | (28) |
| Net unrealized gains on trading securities | $ 1 | $ 4 | $ 1 |
| X | ||||||||||
- Definition Gain (Loss) on Investments, Marketable Securities [Abstract] No definition available.
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| X | ||||||||||
- Definition Income Loss and impairment loss From Equity Method Investments No definition available.
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| X | ||||||||||
- Definition The total of financial instruments that are bought and held principally for the purpose of selling them in the long term or for debt and equity securities formerly categorized as available-for-sale or held-to-maturity which the entity held as of the date it opted to account for such securities at fair value. No definition available.
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| X | ||||||||||
- Definition In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after adjustment, of cost-method investment. Adjustments include, but are not limited to, dividends received in excess of earnings after date of investment that are considered a return of investment and other than temporary impairments. No definition available.
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| X | ||||||||||
- Definition This item represents an other than temporary decline in value that has been recognized against an investment accounted for under the equity method of accounting. The excess of the carrying amount over the fair value of the investment represents the amount of the write down which is or was reflected in earnings. The written down value is a new cost basis with the adjusted value of the investment becoming its new carrying value subject to the equity accounting method. Evidence of a loss in value might include, but would not necessarily be limited to, absence of an ability to recover the carrying amount of the investment or inability of the investee to sustain an earnings capacity which would justify the carrying amount of the investment. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Fair value portion of investments accounted under the equity method. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition This item represents the entity's proportionate share for the period of the net income (loss) of its investee (such as unconsolidated subsidiaries and joint ventures) to which the equity method of accounting is applied. This item includes income or expense related to stock-based compensation based on the investor's grant of stock to employees of an equity method investee. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition The total amount of investments that are intended to be held for an extended period of time (longer than one operating cycle). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- References No definition available.
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of unrealized holding gain (loss) recognized in the income statement for investments in debt and equity securities and other forms of securities that provide ownership interests classified as trading. No definition available.
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- Definition Carrying amount of the assets in the reporting entity's statement of financial position that relate to the reporting entity's variable interest in the Variable Interest Entity (VIE), where the reporting entity is not the VIE's primary beneficiary. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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