Balance Sheet Details (Detail 2) (USD $)	12 Months Ended
Oct. 31, 2014	Oct. 31, 2013	Oct. 31, 2012
Property, Plant and Equipment, Net
Property, plant and equipment, gross	$ 26,252,000,000us-gaap_PropertyPlantAndEquipmentGross	$ 26,133,000,000us-gaap_PropertyPlantAndEquipmentGross
Accumulated depreciation	(14,912,000,000)	(14,670,000,000)
Property, plant and equipment, net	11,340,000,000us-gaap_PropertyPlantAndEquipmentNet	11,463,000,000us-gaap_PropertyPlantAndEquipmentNet
Depreciation expense	3,300,000,000us-gaap_Depreciation	3,200,000,000us-gaap_Depreciation	3,300,000,000us-gaap_Depreciation
Purchase of property, plant and equipment	3,900,000,000
Sale and retirement of gross Property, Plant and Equipment	3,500,000,000
Accumulated depreciation on sale and retirement of property, plant and equipment	2,900,000,000
Land
Property, Plant and Equipment, Net
Property, plant and equipment, gross	540,000,000	626,000,000
Buildings and leasehold improvements
Property, Plant and Equipment, Net
Property, plant and equipment, gross	9,048,000,000	8,942,000,000
Machinery and equipment
Property, Plant and Equipment, Net
Property, plant and equipment, gross	$ 16,664,000,000	$ 16,565,000,000

Sale and retirement of gross property, plant and equipment used in the normal conduct of business.

No definition available.

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- Definition

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.14)

-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 14

-Article 5

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- Definition

The decrease in accumulated depreciation, depletion and amortization (relating to property, plant and equipment) as a result of sales or disposals of property, plant and equipment during the period.

+ References

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 28

-Subparagraph (b)

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- Definition

Amount of acquisition of long-lived, physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

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- Definition

Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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Amount after accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business to produce goods and services and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 360

-SubTopic 10

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229

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