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Financial Instruments (Details 2) - USD ($) $ in Millions | Oct. 31, 2018 | Oct. 31, 2017
--- | --- | ---
Amortized Cost |  |
Due in more than five years | $ 139 |
Fair Value |  |
Due in more than five years | 156 |
Investment Holdings |  |
Investments in equity interests | 2,398 | $ 2,535
Equity securities in privately held companies | Long-Term Financing Receivables and Other Assets |  |
Investment Holdings |  |
Investment amount | $ 162 | $ 149

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