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Property (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment, Net, by Type [Abstract]
Total property	$ 88,732	$ 85,845
Less: accumulated depreciation	(36,828)	(35,524)
Total property, net	51,904	50,321
Capitalized Interest and Software [Abstract]
Interest capitalized	215
Depreciation, Amortization and Impairment [Abstract]
Depreciation and amortization expense	11,456	11,737	$ 11,276
Property, Plant and Equipment
Capitalized Interest and Software [Abstract]
Capitalized software	2,300	2,200
Depreciation, Amortization and Impairment [Abstract]
Depreciation and amortization expense	6,466	6,719	6,297
Impairment charges	635	115	12
Capitalized software amortization expense	798	705	$ 614
Land
Property, Plant and Equipment, Net, by Type [Abstract]
Total property	1,253	1,293
Buildings and Improvements
Property, Plant and Equipment, Net, by Type [Abstract]
Total property	$ 14,915	13,256
Buildings and Improvements | Minimum
Property, Plant and Equipment, Net, by Type [Abstract]
Estimated Useful Life in Years	5 years
Buildings and Improvements | Maximum
Property, Plant and Equipment, Net, by Type [Abstract]
Estimated Useful Life in Years	40 years
Machinery and Equipment
Property, Plant and Equipment, Net, by Type [Abstract]
Total property	$ 39,575	37,074
Machinery and Equipment | Minimum
Property, Plant and Equipment, Net, by Type [Abstract]
Estimated Useful Life in Years	3 years
Machinery and Equipment | Maximum
Property, Plant and Equipment, Net, by Type [Abstract]
Estimated Useful Life in Years	27 years
Special Tools
Property, Plant and Equipment, Net, by Type [Abstract]
Total property	$ 25,813	26,086
Special Tools | Minimum
Property, Plant and Equipment, Net, by Type [Abstract]
Estimated Useful Life in Years	1 year
Special Tools | Maximum
Property, Plant and Equipment, Net, by Type [Abstract]
Estimated Useful Life in Years	16 years
Construction in Progress
Property, Plant and Equipment, Net, by Type [Abstract]
Total property	$ 7,176	$ 8,135

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Amount of expense for amortization of capitalized computer software costs.

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