Taxes on Earnings - Schedule of (Benefit from) Provision for Taxes on Earnings (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2022	Oct. 31, 2021	Oct. 31, 2020
U.S. federal taxes:
Current	$ 272	$ 1,112	$ 12
Deferred	27	(458)	(68)
Non-U.S. taxes:
Current	338	420	319
Deferred	503	(173)	137
State taxes:
Current	9	78	23
Deferred	43	48	(27)
Provision for (benefit from) taxes	$ 1,192	$ 1,027	$ 396