Taxes on Earnings - Schedule of (Benefit from) Provision for Taxes on Earnings (Details) - USD ($) $ in Millions	12 Months Ended
Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
U.S. federal taxes:
Current	$ 226	$ 272	$ 1,112
Deferred	(549)	27	(458)
Non-U.S. taxes:
Current	337	338	420
Deferred	(305)	503	(173)
State taxes:
Current	42	9	78
Deferred	(77)	43	48
Provision for (benefit from) taxes	$ (326)	$ 1,192	$ 1,027

Amount of current federal tax expense (benefit) attributable to income (loss) from continuing operations. Includes, but is not limited to, current national tax expense (benefit) for non-US (United States of America) jurisdiction.

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