Taxes on Earnings - Schedule of Deferred Tax Asset Valuation Allowance and Changes (Details) - USD ($) $ in Millions	12 Months Ended
	Oct. 31, 2023	Oct. 31, 2022	Oct. 31, 2021
Movement in Valuation Allowances and Reserves
Balance at beginning of year	$ 7,592	$ 7,749	$ 7,951
Income tax (benefit) expense	(650)	(274)	(168)
Goodwill, other comprehensive loss (income), currency translation and charges to other accounts	52	117	(34)
Balance at end of year	$ 6,994	$ 7,592	$ 7,749