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v3.21.1

Supplementary Financial Information - Interest and Other, Net (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2021 | Apr. 30, 2020 | Apr. 30, 2021 | Apr. 30, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract] |  |  |  |
Interest expense on borrowings | $ (64) | $ (64) | $ (128) | $ (122)
Other, net | 38 | 64 | 77 | 135
Interest and other, net | $ (26) | $ 0 | $ (51) | $ 13

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