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Balance Sheet Details - Schedule of Cash and Cash Equivalents (Details) - USD ($) $ in Millions		Apr. 30, 2025	Oct. 31, 2024	Apr. 30, 2024	Oct. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Cash and cash equivalents		$ 11,667	$ 14,846
Restricted cash	[1]	121	259
Total		$ 11,788	$ 15,105	$ 2,924	$ 4,581
[1] The Company included restricted cash in Other current assets in the accompanying Condensed Consolidated Balance Sheets.

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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation.

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Amount of cash and cash equivalents restricted as to withdrawal or usage, classified as current. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.

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