Borrowings - Schedule of Notes Payable and Short-Term Borrowings (Details) - USD ($) $ in Millions	Apr. 30, 2017	Oct. 31, 2016
Amount Outstanding
Current portion of long-term debt	$ 76	$ 51
Amount outstanding	$ 110	$ 78
Debt Instrument, Interest Rate, Weighted Average Interest Rate [Abstract]
Current portion of long-term debt	3.60%	4.10%
Notes payable to banks, lines of credit and other
Amount Outstanding
Amount outstanding	$ 34	$ 27
Debt Instrument, Interest Rate, Weighted Average Interest Rate [Abstract]
Notes payable to banks, lines of credit and other	1.20%	2.00%