Retirement and Post-Retirement Benefit Plans - Schedule of Net Amounts of Noncurrent Assets and Current and Noncurrent Liabilities for Defined Benefit and Post-Retirement Benefit Plans (Details) - USD ($) $ in Millions	Oct. 31, 2019	Oct. 31, 2018
Post-Retirement Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Other non-current assets	$ 21	$ 11
Other current liabilities	(6)	(6)
Other non-current liabilities	(1)	(14)
Funded status at end of year	14	(9)
U.S. | Defined Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Other non-current assets	0	0
Other current liabilities	(36)	(32)
Other non-current liabilities	(1,138)	(1,117)
Funded status at end of year	(1,174)	(1,149)
Non-U.S. | Defined Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Other non-current assets	14	10
Other current liabilities	(7)	(9)
Other non-current liabilities	(495)	(378)
Funded status at end of year	$ (488)	$ (377)