Net Property (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment, Net, by Type [Abstract]
Net property	$ 40,821	$ 37,265
Depreciation, Depletion and Amortization [Abstract]
Depreciation and other amortization	3,041	2,878	$ 2,986
Tooling amortization	(1,167)	(1,149)	(1,358)
Depreciation, Depletion, and Amortization, Including Impairment	5,381	5,434	5,692
Maintenance and rearrangement	$ 1,909	2,083	1,940
Machinery and Equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	14 years 6 months
Software
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	8 years
Property, Plant and Equipment, Net, by Type [Abstract]
Gross property	$ 5,423	5,042
Land
Property, Plant and Equipment, Net, by Type [Abstract]
Gross property	$ 367	371
Land Improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	30 years
Buildings
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	40 years
Building and Building Improvements
Property, Plant and Equipment, Net, by Type [Abstract]
Gross property	$ 12,636	11,946
Other Machinery and Equipment
Property, Plant and Equipment, Net, by Type [Abstract]
Gross property	41,202	38,964
Construction in progress
Property, Plant and Equipment, Net, by Type [Abstract]
Gross property	5,308	3,203
Total land, plant and equipment, and other
Property, Plant and Equipment, Net, by Type [Abstract]
Gross property	64,936	59,526
Accumulated depreciation	(33,679)	(31,781)
Net property	31,257	27,745
Tools, Dies and Molds
Property, Plant and Equipment, Net, by Type [Abstract]
Net property	9,564	9,520
Depreciation, Depletion and Amortization [Abstract]
Tooling amortization	$ 2,340	$ 2,556	$ 2,706
Minimum
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	3 years
Maximum
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Useful Life	40 years