Debt - Narrative (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended				3 Months Ended												0 Months Ended		3 Months Ended	12 Months Ended		12 Months Ended
	Apr. 30, 2013	Apr. 30, 2013	Apr. 30, 2013 Manufacturing Operations [Member] Line of Credit [Member]	Oct. 31, 2012 Manufacturing Operations [Member] Line of Credit [Member]	Aug. 31, 2012 Manufacturing Operations [Member] Line of Credit [Member]	Apr. 30, 2013 Manufacturing Operations [Member] Notes Payable to Banks [Member]	Oct. 31, 2012 Manufacturing Operations [Member] Notes Payable to Banks [Member]	Oct. 31, 2009 Manufacturing Operations [Member] Notes Payable to Banks [Member]	Oct. 31, 2012 Manufacturing Operations [Member] Asset-Based Credit Facility [Member]	Aug. 31, 2012 Manufacturing Operations [Member] Asset-Based Credit Facility [Member]	Apr. 30, 2013 Manufacturing Operations [Member] Financed lease obligations [Member]	Oct. 31, 2012 Manufacturing Operations [Member] Financed lease obligations [Member]	Apr. 30, 2013 Financial Services Operations [Member]	Apr. 30, 2013 Financial Services Operations [Member] VFN Facility [Member]	Oct. 31, 2012 Financial Services Operations [Member] VFN Facility [Member]	Apr. 30, 2013 Financial Services Operations [Member] Line of Credit [Member]	Oct. 31, 2012 Financial Services Operations [Member] Line of Credit [Member]	Nov. 02, 2011 Debt Instrument, Redemption, Scenario Two [Member] Manufacturing Operations [Member] Notes Payable to Banks [Member]	Nov. 03, 2011 Debt Instrument, Redemption, Scenario Two [Member] Manufacturing Operations [Member] Notes Payable to Banks [Member]	Jan. 31, 2012 Debt Instrument, Redemption, Scenario Two [Member] Manufacturing Operations [Member] Notes Payable to Banks [Member]	Oct. 31, 2012 Debt Instrument, Redemption, Scenario Two [Member] Manufacturing Operations [Member] Notes Payable to Banks [Member]	Oct. 31, 2012 Debt Instrument, Redemption, Scenario Two [Member] Maximum [Member] Manufacturing Operations [Member] Notes Payable to Banks [Member]	Oct. 31, 2012 Debt Instrument, Redemption, Scenario Three [Member] Manufacturing Operations [Member] Notes Payable to Banks [Member]	Oct. 31, 2012 Debt Instrument, Redemption, Period Two [Member] Debt Instrument, Redemption, Scenario One [Member] Manufacturing Operations [Member] Notes Payable to Banks [Member]	Oct. 31, 2012 Debt Instrument, Redemption, Period Three [Member] Debt Instrument, Redemption, Scenario One [Member] Manufacturing Operations [Member] Notes Payable to Banks [Member]	Oct. 31, 2012 Debt Instrument, Redemption, Period Four [Member] Debt Instrument, Redemption, Scenario One [Member] Manufacturing Operations [Member] Notes Payable to Banks [Member]	Oct. 31, 2012 Debt Instrument, Redemption, Period Five [Member] Debt Instrument, Redemption, Scenario One [Member] Manufacturing Operations [Member] Notes Payable to Banks [Member]	Apr. 30, 2013 Base Rate [Member]	Apr. 30, 2013 Eurodollar [Member]	Apr. 30, 2013 London Interbank Offered Rate (LIBOR) [Member]	Apr. 30, 2013 Interest Rate Cap [Member] Manufacturing Operations [Member] Financed lease obligations [Member]	Apr. 30, 2013 London Interbank Offered Rate (LIBOR) [Member] Manufacturing Operations [Member] Financed lease obligations [Member]	Apr. 30, 2013 G E Operating Agreement [Member] Manufacturing Operations [Member] Financed lease obligations [Member]	Oct. 31, 2012 G E Operating Agreement [Member] Manufacturing Operations [Member] Financed lease obligations [Member]
Debt Instrument [Line Items]
Line of Credit Facility, Maximum Borrowing Capacity					$ 1,000					$ 175
Line of Credit Facility, Amount Outstanding				1,000					0
Debt Instrument, Basis Spread on Variable Rate																												45000.00%	45000.00%	12500.00%
Debt Instrument, Interest Rate, Stated Percentage	8.25%	8.25%				8.25%																									7.60%	2.80%
Long-term Debt			693	991		1,177	872				209	0				861	763																209	167
Repayments of Long-term Debt	300
Payments of Debt Extinguishment Costs		13
Debt Instrument, Face Amount						0		1,000					200	500	750
Length of credit term		2 years
Proceeds from Issuance of Senior Long-term Debt						310
Debt Instrument, Unamortized Premium						4
Proceeds from Interest Received						10
Debt Related Commitment Fees and Debt Issuance Costs						(4)
Debt Instrument, Interest Rate, Effective Percentage						8.50%
Debt Instrument, Redemption Price, Percentage																					103.00%		100.00%	104.125%	102.75%	101.375%	100.00%
Debt Instrument, Redemption Price, Principal Amount Redeemed																						50
Debt Instrument, Redemption Period																					12 months
Early Repayment of Senior Debt																		50	50		100
Gains (Losses) on Extinguishment of Debt																				$ (8)
Debt Instrument, Redemption, Premium, Percentage of Principal Amount Redeemed																							1.00%