FAIR VALUE MEASUREMENTS (Details) (USD $) In Millions, unless otherwise specified	Jul. 31, 2012	Oct. 31, 2011	Jul. 31, 2011
Fair Values of Financial Instruments
Securitization borrowings	$ 3,028.0	$ 2,777.4	$ 2,380.9
Current maturities of long-term borrowings	3,632.1	4,653.1	4,318.9
Long-term borrowings	13,771.8	11,389.6	10,274.1
Fair Value, Level 2
Fair Values of Financial Instruments
Securitization borrowings	3,038.0	2,789.0	2,394.0
Current maturities of long-term borrowings	3,667.0	4,704.0	4,371.0
Long-term borrowings	14,058.0	11,751.0	10,641.0
Fair Value, Level 3
Fair Values of Financial Instruments
Receivables financed - net	21,328	19,034	19,330
Retail notes securitized - net	3,165	2,907	2,486
Carrying Value
Fair Values of Financial Instruments
Receivables financed - net	21,339	19,047	19,331
Retail notes securitized - net	3,164	2,905	2,481
Securitization borrowings	3,028.0	2,777.0	2,381.0
Current maturities of long-term borrowings	3,632.0	4,653.0	4,319.0
Long-term borrowings	$ 13,772.0	$ 11,390.0	$ 10,274.0