Income Taxes (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010
Income Taxes [Line Items]
Income (Loss) from Continuing Operations before Income Taxes, Domestic	$ (964)	$ 247	$ 166
Income (Loss) from Continuing Operations before Income Taxes, Foreign	(218)	73	124
Income (loss) before income taxes	(1,182)	320	290
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense	(11)	2
Deferred Tax Assets, Operating Loss Carryforwards, Domestic	319
Valuation Allowance, Deferred Tax Asset, Change in Amount	2,300
Adjustments to Additional Paid in Capital, Other	(26)	45
Income Taxes Percent Likelihood Of Being Realized Upon Settlement	50.00%
Liability for uncertain tax positions	49	82
offsetting tax benefits associated with the correlative effects of potential transfer pricing adjustments	10
Unrecognized Tax Benefits that Would Impact Effective Tax Rate	6
Deferred Tax Liabilities, Undistributed Foreign Earnings	507
Liability for Uncertain Tax Benefits Time Range	12
Current Federal Tax benefit (expense)	(2)	(3)	30
Current State and Local Tax Benefit (Expense)	(11)	1	(4)
Current Foreign Tax Benefit (Expense)	4	(47)	(33)
Current Income Tax Benefit (Expense)	9	49	7
Deferred Federal Income Tax Benefit (Expense)	(1,841)	1,423	0
Deferred State and Local Income Tax Benefit (Expense)	(137)	106	0
Deferred Foreign Income Tax Benefit (Expense)	207	(22)	(16)
Deferred Income Tax Benefit (Expense)	1,771	(1,507)	16
Income tax benefit (expense)	1,780	(1,458)	23
Federal income tax benefit (expense) at the statutory rate of 35%	414	(112)	(101)
State income taxes, net of federal benefit	(6)	(6)	(3)
Alternative minimum taxes	0	0	29
Credits and incentives	10	27	2
Adjustments to valuation allowances	(2,232)	1,499	56
Medicare subsidies	0	0	6
Foreign Operations	(17)	(19)	(11)
Adjustments to uncertain tax positions	11	42	5
Subpart F Income	0	(1)	(17)
Noncontrolling Interest adjustment	17	19	16
Other	23	9	(5)
Tax Adjustments, Settlements, and Unusual Provisions		42
Employee Benefits liabilities	1,419	1,369
Net operating loss carry forwards	583	273
Product liability and warranty accruals	457	262
Research and Development	49	74
Tax Credit Carry forwards	218	208
Deferred Tax Assets, Other	285	294
Deferred Tax Assets, Gross	3,011	2,480
Deferred Tax Assets, Valuation Allowance	2,664	344
Deferred Tax Assets, Net of Valuation Allowance	347	2,136
Deferred Tax Liabilities, Goodwill and Intangible Assets	(77)	(107)
Deferred Tax Liabilities, Other	(54)	(39)
Deferred Tax Liabilities, Net	(131)	(146)
Deferred Tax Assets, Operating Loss Carryforwards, State and Local	95
Deferred Tax Assets, Operating Loss Carryforwards, Foreign	169
Unrecognized Tax Benefits, Increases Resulting from Prior Period Tax Positions	12
Unrecognized Tax Benefits, Decreases Resulting from Prior Period Tax Positions	2
Unrecognized Tax Benefits, Increases Resulting from Current Period Tax Positions	(46)
Unrecognized Tax Benefits, Increases (Decreases) Resulting from Settlements with Taxing Authorities	(1)
Stock Option Tax Benefits [Member]
Income Taxes [Line Items]
Net operating loss carry forwards	61
Domestic Tax Authority [Member]
Income Taxes [Line Items]
Valuation Allowance, Deferred Tax Asset, Change in Amount	189
Income tax benefit (expense)	1,973	(1,537)
Adjustments to valuation allowances	$ (2,000)