The amount of net gain (loss) recognized in net periodic benefit cost as a result of an event that significantly reduces the expected years of future service of present employees or eliminates for a significant number of employees the accrual of defined benefits for some or all of their future services.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 132R

-Paragraph 5

-Subparagraph h

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Plan Curtailment

-URI http://asc.fasb.org/extlink&oid=6520938

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 87

-Paragraph 264

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 30

-Section 15

-Paragraph 6

-Subparagraph (a)(2)

-URI http://asc.fasb.org/extlink&oid=7577095&loc=d3e8001-114927

Reference 5: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 106

-Paragraph 518

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 715

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (h)(7)

-URI http://asc.fasb.org/extlink&oid=21915506&loc=d3e1928-114920

Reference 7: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 88

-Paragraph 6

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

+ Details

- Definition

Amount expected to be charged against earnings in the current and future periods for the specified restructuring cost.

+ References+ Details

- Definition

Amount charged against earnings in the period for incurred and estimated costs associated with exit from or disposal of business activities or restructurings pursuant to a duly authorized plan, excluding asset retirement obligations.

+ References+ Details

Restructuring and Impairments - North American Manufacturing Restructuring (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	12 Months Ended			3 Months Ended			18 Months Ended		3 Months Ended	18 Months Ended						3 Months Ended
	Jul. 31, 2011	Oct. 31, 2012	Oct. 31, 2011	Oct. 31, 2010	Apr. 30, 2012 Custom Products Operations Union City and Coburg [Member] Truck [Domain]	Jul. 31, 2011 Custom Products Operations Union City and Coburg [Member] Truck [Domain]	Apr. 30, 2012 Custom Products Operations Union City and Coburg [Member] Parts [Member]	Oct. 31, 2012 Facility Closing [Member] Chatham [Member] Truck [Domain]	Oct. 31, 2012 Facility Closing [Member] Custom Products Operations Union City and Coburg [Member] Truck [Domain]	Oct. 31, 2012 Facility Closing [Member] Garland Assembly Plant [Member] Truck [Domain]	Oct. 31, 2012 Employee Severance [Member] Chatham [Member] Truck [Domain]	Oct. 31, 2012 Employee Severance [Member] Custom Products Operations Union City and Coburg [Member] Truck [Domain]	Oct. 31, 2012 Pension And Other Postretirement Contractual Termination Benefits [Member] Chatham [Member] Truck [Domain]	Oct. 31, 2012 Pension And Other Postretirement Contractual Termination Benefits [Member] Custom Products Operations Union City and Coburg [Member] Truck [Domain]	Oct. 31, 2012 Other Restructuring [Member] Chatham [Member] Truck [Domain]	Oct. 31, 2012 Other Restructuring [Member] Custom Products Operations Union City and Coburg [Member] Truck [Domain]	Oct. 31, 2012 Minimum [Member] Chatham [Member] Truck [Domain]	Oct. 31, 2012 Minimum [Member] Facility Closing [Member] Garland Assembly Plant [Member] Truck [Domain]	Oct. 31, 2012 Maximum [Member] Chatham [Member] Truck [Domain]	Oct. 31, 2012 Maximum [Member] Facility Closing [Member] Garland Assembly Plant [Member] Truck [Domain]	Jul. 31, 2011 Pension Plans, Defined Benefit [Member] Facility Closing [Member] Chatham [Member]
Restructuring Cost and Reserve [Line Items]
Restructuring charges		$ 108	$ 92	$ (15)				$ 50	$ 11	$ 4	$ 8	$ 7	$ 34		$ 8
Restructuring and Related Cost, Expected Cost																	30	30	70	50
Defined Benefit Plan, Recognized Net Gain (Loss) Due to Curtailments																					8
Postemployment Benefits, Period Expense														2		2
Impairment of Intangible Assets (Excluding Goodwill)	$ 54	$ 44	$ 75	$ 0	$ 28	$ 51	$ 10