Financial Instruments - Schedule of Pre-Tax Effect of Derivative Instruments not Designated as Hedging Instruments on the Consolidated Condensed Statements of Earnings (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Jul. 31, 2016	Jul. 31, 2015	Jul. 31, 2016	Jul. 31, 2015
Derivative Instruments, Gain (Loss)
Gain (Loss) Recognized in Earnings on Derivatives	$ (10)	$ 159	$ (19)	$ 219
Interest and other, net | Foreign currency contracts
Derivative Instruments, Gain (Loss)
Gain (Loss) Recognized in Earnings on Derivatives	(12)	159	(20)	222
Interest and other, net | Other derivatives
Derivative Instruments, Gain (Loss)
Gain (Loss) Recognized in Earnings on Derivatives	$ 2	$ 0	$ 1	$ (3)