Fair Value Measurements (Details) (USD $) In Millions, unless otherwise specified	Jan. 31, 2014	Oct. 31, 2013	Jan. 31, 2013
Fair Values of Financial Instruments
Securitization borrowings	$ 3,490.8	$ 4,109.1	$ 3,043.9
Current maturities of long-term borrowings	3,903.1	3,602.2	3,615.6
Long-term borrowings	14,685.3	14,195.1	14,370.1
Fair Value, Level 2
Fair Values of Financial Instruments
Securitization borrowings	3,492.0	4,113.0	3,050.0
Current maturities of long-term borrowings	3,912.0	3,623.0	3,690.0
Long-term borrowings	14,852.0	14,331.0	14,518.0
Fair Value, Level 3
Fair Values of Financial Instruments
Receivables financed - net	24,557	24,459	21,900
Retail notes securitized - net	3,463	4,124	3,032
Carrying Value
Fair Values of Financial Instruments
Receivables financed - net	24,674	24,569	21,915
Retail notes securitized - net	3,491	4,153	3,033
Securitization borrowings	3,491.0	4,109.0	3,044.0
Current maturities of long-term borrowings	3,903.0	3,602.0	3,616.0
Long-term borrowings	$ 14,685.0	$ 14,195.0	$ 14,370.0