Property, Plant and Equipment, Net - Additional Information (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020	Jun. 30, 2021	Jun. 30, 2020	Jan. 01, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Interest expense capitalized	$ 23	$ 10	$ 38	$ 20
Depreciation expense	461	$ 356	885	$ 727
Gross finance leased assets	2,430		2,430			$ 2,280
Accumulated depreciation on property and equipment under finance leases	1,010		1,010			816
Property, plant and equipment, net	15,665		15,665		$ 12,702	12,747
Production Equipment [Member]
Property Plant And Equipment [Line Items]
Property, plant and equipment, net	$ 1,790		$ 1,790			$ 1,770