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	$ 315	$ 1,118	$ (24)
Deferred	27	(458)	(68)
Non-U.S. taxes:
Current	341	420	319
Deferred	500	(197)	164
State taxes:
Current	12	77	23
Deferred	43	48	(27)
Provision for (benefit from) taxes	$ 1,238	$ 1,008	$ 387