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Property (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment, Net, by Type [Abstract]
Total property, net	$ 35,820	$ 31,229
Property, Plant and Equipment [Member]
Capitalized Interest and Software [Abstract]
Capitalized Software, Net	1,100	907
Depreciation, Amortization and Impairment [Abstract]
Depreciation and amortization expense	5,015	4,251	$ 4,187
Impairment Charges	68	628	709
Capitalized Software Amortization Expense	466	378	$ 295
Land [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Real Estate, Plants and Equipment	1,645	1,636
Buildings and Improvements [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Real Estate, Plants and Equipment	6,655	5,562
Machinery and Equipment [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Real Estate, Plants and Equipment	22,855	19,338
Construction in Progress [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Real Estate, Plants and Equipment	5,347	4,633
Real estate, plants and equipment [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Real Estate, Plants and Equipment	36,502	31,169
Less Accumulated Depreciation	(11,614)	(9,516)
Total property, net	24,888	21,653
Special Tools, Net [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Total property, net	$ 10,932	$ 9,576
Minimum [Member] | Buildings and Improvements [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Estimated Useful Life in Years	5 years
Minimum [Member] | Machinery and Equipment [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Estimated Useful Life in Years	3 years
Minimum [Member] | Special Tools, Net [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Estimated Useful Life in Years	1 year
Maximum [Member] | Buildings and Improvements [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Estimated Useful Life in Years	40 years
Maximum [Member] | Machinery and Equipment [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Estimated Useful Life in Years	27 years
Maximum [Member] | Special Tools, Net [Member]
Property, Plant and Equipment, Net, by Type [Abstract]
Estimated Useful Life in Years	9 years

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Depreciation, Amortization and Impairment [Abstract]

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

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-Publisher FASB
-Name Accounting Standards Codification
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Amount of expense for amortization of capitalized computer software costs.

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The carrying amount of capitalized computer software costs net of accumulated amortization as of the balance sheet date.

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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.

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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.

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