Retirement and Post-Retirement Benefit Plan - Future Contributions and Funding Policy (Narrative) (Details) $ in Millions	12 Months Ended
	Oct. 31, 2016 USD ($)
Non-U.S. Defined Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contributions	$ 26
U.S. non-qualified plan participants
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contributions	33
Post-Retirement Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Employer contributions	$ 9