Property, Plant and Equipment, Net - Schedule of Property, Plant and Equipment, Net (Detail) - USD ($) $ in Millions	Dec. 31, 2020	Dec. 31, 2019
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 17,864	$ 14,130
Less: Accumulated depreciation	(5,117)	(3,734)
Property, plant and equipment, net	12,747	10,396
Machinery, equipment, vehicles and office furniture [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	8,493	7,167
Tooling [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	1,811	1,493
Leasehold improvements [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	1,421	1,087
Land and buildings [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	3,662	3,024
Computer equipment, hardware and software [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	856	595
Construction in progress [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, gross	$ 1,621	$ 764

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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