Stock-Based Compensation - Schedule of Stock-Based Compensation Expense and the Resulting Tax Benefits (Details) - USD ($) $ in Millions	12 Months Ended
Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2020
Share-Based Payment Arrangement [Abstract]
Stock-based compensation expense	$ 343	$ 330	$ 278
Income tax benefit	(59)	(52)	(48)
Stock-based compensation expense, net of tax	$ 284	$ 278	$ 230

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 718
-SubTopic 10
-Section 50
-Paragraph 2
-Subparagraph (h)(1)(i)
-URI https://asc.fasb.org/extlink&oid=128089324&loc=d3e5070-113901

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Amount, after tax, of expense for award under share-based payment arrangement.

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Amount of tax benefit for recognition of expense of award under share-based payment arrangement.

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