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, 2020	Oct. 31, 2019
Post-Retirement Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Other non-current assets	$ 93	$ 21
Other current liabilities	(5)	(6)
Other non-current liabilities	(1)	(1)
Funded status at end of year	87	14
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	(35)	(36)
Other non-current liabilities	(846)	(1,138)
Funded status at end of year	(881)	(1,174)
Non-U.S. | Defined Benefit Plans
Defined Benefit Plans and Other Postretirement Benefit Plans Table Text Block [Line Items]
Other non-current assets	20	14
Other current liabilities	(8)	(7)
Other non-current liabilities	(612)	(495)
Funded status at end of year	$ (600)	$ (488)