Taxes on Earnings - Schedule of Domestic and Foreign Components of Earnings (Details) - USD ($) $ in Millions	12 Months Ended
Oct. 31, 2019	Oct. 31, 2018	Oct. 31, 2017
Domestic and foreign components of earnings (loss) before taxes
U.S.	$ (1,021)	$ 242	$ (14)
Non-U.S.	3,544	2,771	3,290
Earnings before taxes	$ 2,523	$ 3,013	$ 3,276

The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.

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Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest.

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The portion of earnings or loss from continuing operations before income taxes that is attributable to foreign operations, which is defined as Income or Loss generated from operations located outside the entity's country of domicile.

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