Borrowings - Schedule of Notes Payable and Short-Term Borrowings (Details) - USD ($) $ in Millions	Jan. 31, 2017	Oct. 31, 2016
Notes Payable and Short-Term Borrowings
Current portion of long-term debt	$ 68	$ 51
Amount outstanding	$ 100	$ 78
Current portion of long-term debt, weighted average interest rate (percent)	3.80%	4.10%
Notes payable to banks, lines of credit and other
Notes Payable and Short-Term Borrowings
Amount outstanding	$ 32	$ 27
Notes payable to banks, lines of credit and other, weighted average interest rate (percent)	1.10%	2.00%