Financial Instruments - Schedule of Pre-Tax Effect of Derivative Instruments not Designated as Hedging Instruments on the Consolidated Condensed Statements of Earnings (Details) - Interest and other, net - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Apr. 30, 2023	Apr. 30, 2022	Apr. 30, 2023	Apr. 30, 2022
Derivative Instruments, Gain (Loss)
Gain/(loss) recognized in earnings on derivative instrument	$ (2)	$ 31	$ (40)	$ (17)
Foreign currency contracts
Derivative Instruments, Gain (Loss)
Gain/(loss) recognized in earnings on derivative instrument	4	32	(40)	(5)
Other derivatives
Derivative Instruments, Gain (Loss)
Gain/(loss) recognized in earnings on derivative instrument	$ (6)	$ (1)	$ 0	$ (12)