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, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021
Derivative Instruments, Gain (Loss)
Gain/(loss) recognized in earnings on derivative instrument	$ 31	$ (21)	$ (17)	$ (4)
Foreign currency contracts
Derivative Instruments, Gain (Loss)
Gain/(loss) recognized in earnings on derivative instrument	32	(23)	(5)	(9)
Other derivatives
Derivative Instruments, Gain (Loss)
Gain/(loss) recognized in earnings on derivative instrument	$ (1)	$ 2	$ (12)	$ 5