SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND CASH FLOW INFORMATION (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended
	Jan. 31, 2013	Jan. 31, 2012
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND CASH FLOW INFORMATION
Transfer of inventory to equipment on operating leases	$ 87	$ 78
Accounts payable related to purchases of property and equipment	$ 57	$ 44