SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND CASH FLOW INFORMATION (Details) - USD ($) $ in Millions	9 Months Ended
	Jul. 31, 2016	Jul. 31, 2015
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND CASH FLOW INFORMATION
Transfer of inventory to equipment on operating leases	$ 440	$ 468
Accounts payable related to purchases of property and equipment	$ 40	$ 42