Borrowings - Schedule of Notes Payable and Short-Term Borrowings (Details) - USD ($) $ in Millions	Jul. 31, 2016	Nov. 30, 2015	Oct. 31, 2015
Notes Payable and Short-Term Borrowings
Current portion of long-term debt	$ 41		$ 2,160
Amount outstanding	$ 75		$ 2,194
Current portion of long-term debt, weighted average interest rate (percent)	4.30%		3.30%
U.S. Dollar Global Notes
Notes Payable and Short-Term Borrowings
Principal amount of debt redeemed and repaid		$ 2,100
Notes payable to banks, lines of credit and other
Notes Payable and Short-Term Borrowings
Amount outstanding	$ 34		$ 34
Notes payable to banks, lines of credit and other, weighted average interest rate (percent)	4.00%		4.70%