Summary of Significant Accounting Policies - Schedule of Accrued Warranty Activity (Detail) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Movement in Standard Product Warranty Accrual [Roll Forward]
Accrued warranty—beginning of period	$ 5,152	$ 3,505	$ 2,101
Warranty costs incurred	(1,453)	(1,225)	(803)
Net changes in liability for pre-existing warranties, including expirations and foreign exchange impact	287	539	522
Provision for warranty	2,730	2,333	1,685
Accrued warranty—end of period	$ 6,716	$ 5,152	$ 3,505