Income Taxes - Schedule of Deferred Tax Assets and Liabilities (Details) (USD $) In Millions, unless otherwise specified	Oct. 31, 2014	Oct. 31, 2013
Income Tax Disclosure [Abstract]
Deferred Tax Assets, Tax Deferred Expense, Compensation and Benefits, Employee Benefits	$ 1,210	$ 1,107
Deferred Tax Assets, Operating Loss Carryforwards	1,213	840
Deferred Tax Assets, Tax Deferred Expense, Reserves and Accruals, Warranty Reserves	494	546
Deferred Tax Assets, in Process Research and Development	9	26
Deferred Tax Assets, Tax Credit Carryforwards	256	259
Deferred Tax Assets, Other	194us-gaap_DeferredTaxAssetsOther	271us-gaap_DeferredTaxAssetsOther
Deferred Tax Assets, Gross	3,376us-gaap_DeferredTaxAssetsGross	3,049us-gaap_DeferredTaxAssetsGross
Deferred Tax Assets, Valuation Allowance	3,174	2,773
Deferred Tax Assets, Net of Valuation Allowance	202us-gaap_DeferredTaxAssetsNet	276us-gaap_DeferredTaxAssetsNet
Deferred Tax Liabilities, Goodwill and Intangible Assets	(6)	(72)
Deferred Tax Liabilities, Other	(10)us-gaap_DeferredTaxLiabilitiesOther	(5)us-gaap_DeferredTaxLiabilitiesOther
Deferred Tax Liabilities, Net	$ (16)us-gaap_DeferredTaxLiabilities	$ (77)us-gaap_DeferredTaxLiabilities

Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from in-process research and development costs expensed in connection with a business combination.

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Amount after allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences and carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible operating loss carryforwards.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences not separately disclosed.

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The tax effect as of the balance sheet date of the amount of future tax deductions arising from all unused tax credit carryforwards which have been reduced by a valuation allowance.

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-Glossary Carryforwards

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The tax effect as of the balance sheet date of the amount of the estimated future tax deductions arising from employee benefit costs not otherwise specified in the taxonomy, which can only be deducted for tax purposes when actual costs are incurred, and which can only be realized if sufficient tax-basis income is generated in future periods to enable the deduction to be taken.

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Amount before allocation of valuation allowances of deferred tax asset attributable to deductible temporary differences from warranty reserves.

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Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized.

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Amount of deferred tax liability attributable to taxable temporary differences net of deferred tax asset attributable to deductible temporary differences and carryforwards after valuation allowances.

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Amount of deferred tax liability attributable to taxable temporary differences from intangible assets including goodwill.

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Amount of deferred tax liability attributable to taxable temporary differences not separately disclosed.

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