Debt - Financial Services Operations (Details) (USD $) In Millions, unless otherwise specified	Oct. 31, 2013	Oct. 31, 2012
Debt Instrument [Line Items]
Long-term Debt, net	$ 5,085
Debt, Current	1,163	1,205
Long-term Debt and Capital Lease Obligations	3,922	3,566
Financial Services Operations [Member]
Debt Instrument [Line Items]
Long-term Debt, net	1,866	1,866
Debt, Current	505	1,033
Long-term Debt and Capital Lease Obligations	1,361	833
Financial Services Operations [Member] | Secured Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, net	778	994
Financial Services Operations [Member] | Line of Credit [Member]
Debt Instrument [Line Items]
Long-term Debt, net	1,018	763
Financial Services Operations [Member] | Commercial Paper [Member]
Debt Instrument [Line Items]
Long-term Debt, net	21	31
Financial Services Operations [Member] | Borrowings Secured By Operating and Finance Leases [Member]
Debt Instrument [Line Items]
Long-term Debt, net	$ 49	$ 78