| **Property and Equipment (Tables)**                                                                                             | 12 Months Ended                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                     |
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| **Property, Plant and Equipment [Abstract]**                                                                                    |                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Schedule Of Property Plant And Equipment [Table Text Block]                                                                     | As of October 31, property and equipment, net included the following:  2011 2010(in millions)   Land$52 $55Buildings387 366Leasehold improvements71 70Machinery and equipment2,280 2,242Furniture, fixtures, and equipment236 202Equipment leased to others291 361Construction in progress(A)309 74Total property and equipment, at cost3,626 3,370Less: Accumulated depreciation and amortization(2,056) (1,928)Property and equipment, net$1,570 $1,442_______________ (A)We are consolidating our executive management, certain business operations, and product development into a 1.2 million square foot, world headquarters site in Lisle, Illinois, which we will complete in the first quarter of fiscal 2012, and we are consolidating our testing and validation center in our Melrose Park facility, which we expect to complete in 2013. For 2011, Construction in progress includes amounts related to this activity. |
| Schedule Of Equipment Leased To Others And Assets Under Financing Arrangements And Capital Lease Obligations [Table Text Block] | As of October 31, equipment leased to others and assets under financing arrangements and capital lease obligations are as follows:  2011 2010(in millions)   Equipment leased to others$291 $361Less: Accumulated depreciation(103) (146)Equipment leased to others, net$188 $215Buildings, machinery, and equipment under financing arrangements and capital lease obligations$100 $123Less: Accumulated depreciation and amortization(71) (64)Assets under financing arrangements and capital lease obligations, net$29 $59                                                                                                                                                                                                                                                                                                                                                                                                                                |
| Schedule Of Depreciation Amortization Expenses And Interest Capitalized [Table Text Block]                                      | For the years ended October 31, 2011, 2010, and 2009, depreciation expense, amortization expense related to assets under financing arrangements and capital lease obligations, and interest capitalized on construction projects are as follows:  2011 2010 2009(in millions)     Depreciation expense$260 $236 255Depreciation of equipment leased to others38 51 56Amortization expense1 2 6Interest capitalized18 4 1                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                       |
| Schedule of Future Minimum Lease Payments for Capital Leases [Table Text Block]                                                 | Future minimum lease payments at October 31, 2011, for those leases having an initial or remaining non-cancelable lease term in excess of one year and certain leases that are treated as finance lease obligations, are as follows:  FinancingArrangementsand CapitalLease Obligations  OperatingLeases(A)   Total(in millions)     2012$39 $52 $91201364 50 114201421 43 6420151 40 4120161 32 33Thereafter2 100 102 128 $317 $445Less: Interest portion(10)    Total$118    _______________ (A)In October 2011, we signed a lease agreement and a machinery and equipment purchase agreement related to a facility in Cherokee, Alabama. We will take possession of these assets January 1, 2012. The amounts presented above include amounts related to this lease.                                                         |

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Schedule Of Depreciation Amortization Expenses And Interest Capitalized [Table Text Block]
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Schedule Of Equipment Leased To Others And Assets Under Financing Arrangements And Capital Lease Obligations [Table Text Block]
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No definition available.
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Schedule Of Property Plant And Equipment [Table Text Block]
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No definition available.
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Tabular disclosure of future minimum lease payments as of the date of the latest balance sheet presented, in aggregate and for each of the five years succeeding fiscal years, with separate deductions from the total for the amount representing executor costs, including any profit thereon, included in the minimum lease payments and for the amount of the imputed interest necessary to reduce the net minimum lease payments to present value.
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Reference 1: http://www.xbrl.org/2003/role/presentationRef -Topic 840 -SubTopic 30 -Publisher FASB -Number  -Article  -Subparagraph (b) -Name Accounting Standards Codification -Paragraph 1 -Section 50 -URI http://asc.fasb.org/extlink&oid=6455398&loc=d3e45280-112737
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