Debt - Manufacturing Operations (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended																										9 Months Ended
	Jul. 31, 2014	Oct. 31, 2013	Jul. 31, 2014 Manufacturing Operations [Member]	Oct. 31, 2013 Manufacturing Operations [Member]	Jul. 31, 2014 Manufacturing Operations [Member]	Oct. 31, 2013 Manufacturing Operations [Member]	Jul. 31, 2014 Manufacturing Operations [Member] Line of Credit [Member]	Oct. 31, 2013 Manufacturing Operations [Member] Line of Credit [Member]	Aug. 31, 2012 Manufacturing Operations [Member] Asset-Based Credit Facility [Member]	Oct. 31, 2013 Manufacturing Operations [Member] Debt Of Majority Owned Dealerships [Member]	Jul. 31, 2014 Manufacturing Operations [Member] Financing Arrangements and Capital Lease Obligations [Member]	Oct. 31, 2013 Manufacturing Operations [Member] Financing Arrangements and Capital Lease Obligations [Member]	Jul. 31, 2014 Manufacturing Operations [Member] Tax Exempt Bond [Member]	Oct. 31, 2013 Manufacturing Operations [Member] Tax Exempt Bond [Member]	Oct. 31, 2013 Manufacturing Operations [Member] Promissory Note [Member]	Oct. 31, 2013 Manufacturing Operations [Member] Financed lease obligations [Member]	Oct. 31, 2013 Manufacturing Operations [Member] Other [Member]	Jul. 31, 2014 Eight Point Two Five Percent Senior Notes [Member] Manufacturing Operations [Member] Notes Payable to Banks [Member]	Oct. 31, 2013 Eight Point Two Five Percent Senior Notes [Member] Manufacturing Operations [Member] Notes Payable to Banks [Member]	Jul. 31, 2014 Three Point Zero Percent Senior Subordinated Convertible Notes [Member] 2014 [Member] Manufacturing Operations [Member] Convertible Subordinated Debt [Member]	Oct. 31, 2013 Three Point Zero Percent Senior Subordinated Convertible Notes [Member] 2014 [Member] Manufacturing Operations [Member] Convertible Subordinated Debt [Member]	Jul. 31, 2014 Four Point Five Zero Senior Subordinated Convertible Notes [Member] 2018 [Member] Manufacturing Operations [Member] Convertible Subordinated Debt [Member]	Oct. 31, 2013 Four Point Five Zero Senior Subordinated Convertible Notes [Member] 2018 [Member] Manufacturing Operations [Member] Convertible Subordinated Debt [Member]	Apr. 30, 2014 Four Point Seven Five Senior Subordinated Convertible Notes [Member] [Member] Manufacturing Operations [Member] Convertible Subordinated Debt [Member]	Jul. 31, 2014 Four Point Seven Five Senior Subordinated Convertible Notes [Member] [Member] 2019 [Member] Manufacturing Operations [Member] Convertible Subordinated Debt [Member]	Oct. 31, 2013 Four Point Seven Five Senior Subordinated Convertible Notes [Member] [Member] 2019 [Member] Manufacturing Operations [Member] Convertible Subordinated Debt [Member]	Jul. 31, 2014 Base Rate [Member] Minimum [Member] Amended and Restated Asset-Based Credit Facility [Member] Manufacturing Operations [Member]	Jul. 31, 2014 Base Rate [Member] Maximum [Member] Amended and Restated Asset-Based Credit Facility [Member] Manufacturing Operations [Member]	Jul. 31, 2014 London Interbank Offered Rate (LIBOR) [Member] Minimum [Member] Amended and Restated Asset-Based Credit Facility [Member] Manufacturing Operations [Member]	Jul. 31, 2014 London Interbank Offered Rate (LIBOR) [Member] Maximum [Member] Amended and Restated Asset-Based Credit Facility [Member] Manufacturing Operations [Member]	Jul. 03, 2014 Letter of Credit [Member]	Jul. 03, 2014 Letter of Credit [Member] Maximum [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity									$ 175																							$ 40
Line of Credit Facility, Participation Fee Reduction, Amount Outstanding in Excess of Maximum Borrowing Capacity																															50
Long-term Debt, net								693		48	52	77		225	20	218	39		1,178		544		177			0
Debt, Current	1,020	1,163			254	658
Long-term Debt and Capital Lease Obligations	4,184	3,922	3,141	3,219	2,887	2,561
Debt Instrument, Unamortized Discount							4	4										21	22	2	26	20	23		41
Debt Instrument, Interest Rate, Stated Percentage													6.50%					8.25%		3.00%		4.50%		4.75%	4.75%
Debt Instrument, Basis Spread on Variable Rate																											1.75%	2.25%	2.75%	3.25%
Cash Dividends Paid to Parent Company by Consolidated Subsidiaries	$ 30