Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Detail) - USD ($) $ in Millions	Mar. 31, 2024	Dec. 31, 2023
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 44,288	$ 41,782
Less: Accumulated depreciation	(12,852)	(12,057)
Total	31,436	29,725
Machinery, equipment, vehicles and office furniture
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	16,942	16,309
Tooling
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	3,480	3,129
Leasehold improvements
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	3,291	3,136
Land and buildings
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	9,852	9,498
AI infrastructure
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	2,255	1,510
Computer equipment, hardware and software
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	2,534	2,409
Construction in progress
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 5,934	$ 5,791