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Balance Sheet Details - Summary of Accounts Receivable, Net (Details) - USD ($) $ in Millions	Apr. 30, 2025	Oct. 31, 2024	Oct. 31, 2023
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accounts receivable	$ 3,574	$ 3,236
Unbilled receivables	335	324
Allowances	(10)	(10)	$ (37)
Total	$ 3,899	$ 3,550

X

- Definition

Amount, before allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
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Amount, after allowance for credit loss, of right to consideration from customer for product sold and service rendered in normal course of business, classified as current.

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Amount of allowance for credit loss on accounts receivable, classified as current.

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Unbilled amounts due for services rendered or to be rendered, actions taken or to be taken, or a promise to refrain from taking certain actions in accordance with the terms of a legally binding agreement between the entity and, at a minimum, one other party. An example would be amounts associated with contracts or programs where the recognized revenue for performance thereunder exceeds the amounts billed under the terms thereof as of the date of the balance sheet.

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