Supplementary Financial Information - Interest and Other, Net (Details) - USD ($) $ in Millions	3 Months Ended
Jan. 31, 2022	Jan. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Interest expense on borrowings	$ (61)	$ (63)
Other, net	29	38
Interest and other, net	$ (32)	$ (25)

Amount of the cost of borrowed funds accounted for as interest expense for debt.

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The aggregate amount of income or expense from ancillary business-related activities (that is to say, excluding major activities considered part of the normal operations of the business).

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Amount of income (expense) related to nonoperating activities, classified as other.

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