v3.10.0.1

Taxes on Earnings - Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Millions | Jul. 31, 2018 | Oct. 31, 2017
--- | --- | ---
Income Tax Disclosure [Abstract] |  |
Deferred tax assets - long-term | $ 5,933 | $ 4,663
Deferred tax liabilities - long-term | (235) | (104)
Deferred tax assets net of deferred tax liabilities | $ 5,698 | $ 4,559

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