TOTAL SHORT-TERM BORROWINGS (Details) (USD $) In Millions, unless otherwise specified	Oct. 31, 2012	Oct. 31, 2011
Short-term borrowings
Short-term borrowings	$ 6,392.5	$ 6,852.3
Short-term securitization borrowings	3,574.8	2,777.4
Total short-term borrowings	9,968	9,629
Weighted-average interest rates on total short-term borrowings, excluding current maturities of long-term borrowings (as a percent)	1.00%	1.10%
Equipment Operations
Short-term borrowings
Short-term borrowings	424.8	528.5
Payment schedule for securitization borrowings based on expected liquidation of the retail notes, 2013	195
Payment schedule for securitization borrowings based on expected liquidation of the retail notes, 2014	778
Payment schedule for securitization borrowings based on expected liquidation of the retail notes, 2015	240
Payment schedule for securitization borrowings based on expected liquidation of the retail notes, 2016	23
Payment schedule for securitization borrowings based on expected liquidation of the retail notes, 2017	25
Equipment Operations | Commercial Paper
Short-term borrowings
Short-term borrowings	146.0	265.0
Equipment Operations | Notes Payable to Banks
Short-term borrowings
Short-term borrowings	84.0	19.0
Equipment Operations | Long-term Borrowings Due Within One Year
Short-term borrowings
Short-term borrowings	195.0	244.0
Financial Services
Short-term borrowings
Short-term borrowings	5,967.7	6,323.8
Short-term securitization borrowings	3,574.8	2,777.4
Payment schedule for securitization borrowings based on expected liquidation of the retail notes, 2013	4,774
Payment schedule for securitization borrowings based on expected liquidation of the retail notes, 2014	4,283
Payment schedule for securitization borrowings based on expected liquidation of the retail notes, 2015	3,480
Payment schedule for securitization borrowings based on expected liquidation of the retail notes, 2016	1,843
Payment schedule for securitization borrowings based on expected liquidation of the retail notes, 2017	2,651
Financial Services | Commercial Paper
Short-term borrowings
Short-term borrowings	1,061.0	1,014.0
Financial Services | Notes Payable to Banks
Short-term borrowings
Short-term borrowings	117.0	61.0
Financial Services | Short-term securitization borrowings
Short-term borrowings
Payment schedule for securitization borrowings based on expected liquidation of the retail notes, 2013	1,853
Payment schedule for securitization borrowings based on expected liquidation of the retail notes, 2014	1,043
Payment schedule for securitization borrowings based on expected liquidation of the retail notes, 2015	499
Payment schedule for securitization borrowings based on expected liquidation of the retail notes, 2016	162
Payment schedule for securitization borrowings based on expected liquidation of the retail notes, 2017	17
Payment schedule for securitization borrowings based on expected liquidation of the retail notes, 2018	1
Financial Services | Long-term Borrowings Due Within One Year
Short-term borrowings
Short-term borrowings	$ 4,790.0	$ 5,249.0