Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Detail) - USD ($) $ in Millions	Dec. 31, 2024	Dec. 31, 2023
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 51,424	$ 41,782
Less: Accumulated depreciation	(15,588)	(12,057)
Total	35,836	29,725
Machinery, equipment, vehicles and office furniture
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	18,339	16,309
Land and buildings
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	10,677	9,498
AI infrastructure
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	5,152	1,510
Tooling
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	3,883	3,129
Leasehold improvements
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	3,688	3,136
Computer equipment, hardware and software
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	2,902	2,409
Construction in progress
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 6,783	$ 5,791