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
	Jan. 31, 2017	Jan. 31, 2016
Derivative Instruments, Gain (Loss)
Gain Recognized in Earnings on Derivatives	$ 1	$ 13
Interest and other, net | Foreign currency contracts
Derivative Instruments, Gain (Loss)
Gain Recognized in Earnings on Derivatives	(2)	21
Interest and other, net | Other derivatives
Derivative Instruments, Gain (Loss)
Gain Recognized in Earnings on Derivatives	$ 3	$ (8)