Fair Value Measurements (Details) (USD $) In Millions, unless otherwise specified	Oct. 31, 2013	Oct. 31, 2012
Fair Values of Financial Instruments
Securitization borrowings	$ 4,109.1	$ 3,574.8
Current maturities of long-term borrowings	3,602.2	3,912.9
Long-term borrowings	14,195.1	14,769.9
Fair Value, Level 2
Fair Values of Financial Instruments
Securitization borrowings	4,113.0	3,584.0
Current maturities of long-term borrowings	3,623.0	3,947.0
Long-term borrowings	14,331.0	15,048.0
Fair Value, Level 3
Fair Values of Financial Instruments
Receivables financed - net	24,459	21,455
Retail notes securitized - net	4,124	3,615
Carrying Value
Fair Values of Financial Instruments
Receivables financed - net	24,569	21,472
Retail notes securitized - net	4,153	3,618
Securitization borrowings	4,109.0	3,575.0
Current maturities of long-term borrowings	3,602.0	3,913.0
Long-term borrowings	$ 14,195.0	$ 14,770.0