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
	Jan. 31, 2022	Jan. 31, 2021
Derivative Instruments, Gain (Loss)
Gain/(loss) recognized in earnings on derivative instrument	$ (47)	$ 17
Foreign currency contracts
Derivative Instruments, Gain (Loss)
Gain/(loss) recognized in earnings on derivative instrument	(36)	14
Other derivatives
Derivative Instruments, Gain (Loss)
Gain/(loss) recognized in earnings on derivative instrument	$ (11)	$ 3