The useful life policy used to capitalize property, plant, and equipment.

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)

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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

+ Details

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- Definition

The aggregate amount of recurring noncash expense charged against earnings in the period to allocate the cost of assets over their estimated remaining economic lives.

+ 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

The carrying amount of a liability for an asset retirement obligation. An asset retirement obligation is a legal obligation associated with the disposal or retirement of a tangible long-lived asset that results from the acquisition, construction or development, or the normal operations of a long-lived asset, except for certain obligations of lessees.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 410

-SubTopic 20

-Section 50

-Paragraph 1

-Subparagraph (c)

-URI http://asc.fasb.org/extlink&oid=6392692&loc=d3e7535-110849

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

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Asset Retirement Obligation

-URI http://asc.fasb.org/extlink&oid=6505190

+ Details

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- Definition

Amount of asset retirement obligations settled, or otherwise disposed of, during the period. This may include asset retirement obligations transferred to third parties associated with the sale of a long-lived asset.

+ References

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- Definition

Amount of the Increase or Decrease in the amount of the asset retirement obligation during the current period for changes in the amount or timing of the estimated cash flows associated with the settlement of the obligation.

+ References

+ Details

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Period Type:	duration

- Details

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- Definition

The aggregate costs of keeping the property in good condition but that do not appreciably prolong the life or increase the value of the property.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 225

-SubTopic 10

-Section S99

-Paragraph 2

-Subparagraph (SX 210.5-03.2)

-URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688

+ Details

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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

+ Details

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- Definition

The aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

+ References

+ Details

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- Definition

Amount of required minimum rental payments for leases having an initial or remaining non-cancelable letter-terms in excess of one year.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 2

-Subparagraph (a)

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 10

-Section 55

-Paragraph 40

-Subparagraph (Note 3)

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- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the next fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

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- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

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- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the fourth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

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- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the third fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due in the second fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

+ Details

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- Definition

Amount of required minimum rental payments for operating leases having an initial or remaining non-cancelable lease term in excess of one year due after the fifth fiscal year following the latest fiscal year. Excludes interim and annual periods when interim periods are reported on a rolling approach, from latest balance sheet date.

+ References

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- Definition

Rental expense for the reporting period incurred under operating leases, including minimum and any contingent rent expense, net of related sublease income.

+ References

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 840

-SubTopic 20

-Section 50

-Paragraph 1

-URI http://asc.fasb.org/extlink&oid=6453985&loc=d3e41499-112717

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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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-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

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

+ Details

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- Definition

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

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

-Publisher FASB

-Name Accounting Standards Codification

-Topic 210

-SubTopic 10

-Section S99

-Paragraph 1

-Subparagraph (SX 210.5-02.13)

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

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 02

-Paragraph 13

-Subparagraph a

-Article 5

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

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

-Section 03

-Paragraph 8

-Article 7

+ Details

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- Definition

Useful life of long lived, physical assets used in the normal conduct of business and not intended for resale, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Examples include, but not limited to, land, buildings, machinery and equipment, office equipment, furniture and fixtures, and computer equipment.

+ References

No definition available.

+ Details

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- Details

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- Details

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- Details

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- Details

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Net Property and Lease Commitments (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Property, Plant and Equipment, Net, by Type [Abstract]
Net property	$ 30,126us-gaap_PropertyPlantAndEquipmentNet	$ 27,616us-gaap_PropertyPlantAndEquipmentNet
Depreciation, Depletion and Amortization [Abstract]
Total	7,385	6,504	5,486
Asset Retirement Obligation, Roll Forward Analysis [Roll Forward]
Beginning balance	246us-gaap_AssetRetirementObligation	267us-gaap_AssetRetirementObligation
Liabilities settled	(11)	(5)
Revision to estimates	(7)	(16)
Ending balance	228us-gaap_AssetRetirementObligation	246us-gaap_AssetRetirementObligation	267us-gaap_AssetRetirementObligation
Operating Leases, Future Minimum Payments Due [Abstract]
Operating Leases, Future Minimum Payments, Due in next twelve months	268
Operating Leases, Future Minimum Payments, Due in two years	219
Operating Leases, Future Minimum Payments, Due in three years	158
Operating Leases, Future Minimum Payments, Due in four years	92
Operating Leases, Future Minimum Payments, Due in five years	63
Operating Leases, Future Minimum Payments, Due Thereafter	83
Operating Leases, Future Minimum Payments Due - Total	883
Operating Leases, Rent Expense, Net [Abstract]
Rental expense	524us-gaap_OperatingLeasesRentExpenseNet	516us-gaap_OperatingLeasesRentExpenseNet	510us-gaap_OperatingLeasesRentExpenseNet
Building [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	36 years
Machinery, equipment and other [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	14 years 6 months
Software [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Mainframe and client based software [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	8 years
Land Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	30 years
Automotive [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Net property	29,795	27,492
Depreciation, Depletion and Amortization [Abstract]
Depreciation and other amortization	2,092	2,110	1,794
Amortization of special tools	2,160	1,954	1,861
Total	4,252	4,064	3,655
Maintenance and rearrangement	1,523	1,422	1,352
Operating Leases, Future Minimum Payments Due [Abstract]
Operating Leases, Future Minimum Payments, Due in next twelve months	211
Operating Leases, Future Minimum Payments, Due in two years	166
Operating Leases, Future Minimum Payments, Due in three years	117
Operating Leases, Future Minimum Payments, Due in four years	70
Operating Leases, Future Minimum Payments, Due in five years	51
Operating Leases, Future Minimum Payments, Due Thereafter	64
Operating Leases, Future Minimum Payments Due - Total	679
Operating Leases, Rent Expense, Net [Abstract]
Rental expense	423	411	404
Automotive [Member] \| Land [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Gross property	351	440
Automotive [Member] \| Buildings and Land Improvements [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Gross property	10,601	10,325
Automotive [Member] \| Machinery, equipment and other [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Gross property	33,381	34,830
Automotive [Member] \| Software [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Gross property	2,122	2,069
Automotive [Member] \| Construction in progress [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Gross property	1,719	2,110
Automotive [Member] \| Land, plant and equipment and other [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Gross property	48,174	49,774
Accumulated depreciation	(29,134)	(31,476)
Net property	19,040	18,298
Automotive [Member] \| Special tools, net of amortization [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Net property	10,755	9,194
Financial Services [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Net property	331	124
Depreciation, Depletion and Amortization [Abstract]
Total	3,133	2,440	1,831
Operating Leases, Future Minimum Payments Due [Abstract]
Operating Leases, Future Minimum Payments, Due in next twelve months	57
Operating Leases, Future Minimum Payments, Due in two years	53
Operating Leases, Future Minimum Payments, Due in three years	41
Operating Leases, Future Minimum Payments, Due in four years	22
Operating Leases, Future Minimum Payments, Due in five years	12
Operating Leases, Future Minimum Payments, Due Thereafter	19
Operating Leases, Future Minimum Payments Due - Total	204
Operating Leases, Rent Expense, Net [Abstract]
Rental expense	$ 101	$ 105	$ 106
Minimum [Member]
Property, Plant and Equipment [Line Items]
Capitalization useful life policy	more than one year
Property, Plant and Equipment, Useful Life	3 years
Maximum [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	36 years