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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND CASH FLOW INFORMATION (Details) - USD ($)
$ in Millions
6 Months Ended
Apr. 30, 2016
Apr. 30, 2015
SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES AND CASH FLOW INFORMATION    
Transfer of inventory to equipment on operating leases $ 269 $ 276
Accounts payable related to purchases of property and equipment $ 33 $ 39