CASH FLOW INFORMATION (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
CASH FLOW INFORMATION
Cash equivalents, maturity period	3 months	3 months	3 months
Short-term borrowings, maturity period	3 months	3 months	3 months
Transfer of inventory to equipment on operating leases	$ 563	$ 449	$ 405
Accounts payable related to purchases of property and equipment	185	135	135
Interest:
Interest	810	755	828
Income taxes:
Income taxes	1,744	1,449	627
Equipment Operations
Interest:
Interest	420	370	378
Income taxes:
Income taxes	1,704	1,379	639
Financial Services
Interest:
Interest	638	616	679
Income taxes:
Income taxes	207	336	(63)
Intercompany Eliminations
Interest:
Interest	(248)	(231)	(229)
Income taxes:
Income taxes	$ (167)	$ (266)	$ 51