Debt - Manufacturing Operations (Details) (USD $) In Millions, unless otherwise specified	Jan. 31, 2014	Oct. 31, 2013
Debt Instrument [Line Items]
Debt, Current	$ 1,259	$ 1,163
Long-term Debt and Capital Lease Obligations	3,605	3,922
Manufacturing Operations [Member]
Debt Instrument [Line Items]
Long-term Debt, net	3,212	3,219
Debt, Current	662	658
Long-term Debt and Capital Lease Obligations	2,550	2,561
Manufacturing Operations [Member] | Line of Credit [Member]
Debt Instrument [Line Items]
Less: Unamortized discount	4	4
Long-term Debt, net	693	693
Manufacturing Operations [Member] | Notes Payable to Banks [Member]
Debt Instrument [Line Items]
Long-term Debt, net	1,178	1,178
Manufacturing Operations [Member] | Convertible Subordinated Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, net	178	177
Manufacturing Operations [Member] | Debt Of Majority Owned Dealerships [Member]
Debt Instrument [Line Items]
Long-term Debt, net	46	48
Manufacturing Operations [Member] | Financing Arrangements and Capital Lease Obligations [Member]
Debt Instrument [Line Items]
Long-term Debt, net	70	77
Manufacturing Operations [Member] | Tax Exempt Bond [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate, Stated Percentage	6.50%
Long-term Debt, net	225	225
Manufacturing Operations [Member] | Promissory Note [Member]
Debt Instrument [Line Items]
Long-term Debt, net	18	20
Manufacturing Operations [Member] | Financed lease obligations [Member]
Debt Instrument [Line Items]
Long-term Debt, net	219	218
Manufacturing Operations [Member] | Other [Member]
Debt Instrument [Line Items]
Long-term Debt, net	34	39
2014 [Member] | Manufacturing Operations [Member] | Convertible Subordinated Debt [Member]
Debt Instrument [Line Items]
Long-term Debt, net	$ 551	$ 544