Summary of Significant Accounting Policies - Schedule of Accrued Warranty Activity (Detail) - USD ($) $ in Millions	3 Months Ended		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Standard Product Warranty Disclosure [Abstract]
Accrued warranty—beginning of period	$ 2,287	$ 1,534	$ 2,101	$ 1,468
Warranty costs incurred	(187)	(125)	(338)	(241)
Net changes in liability for pre-existing warranties, including expirations and foreign exchange impact	14	7	17	6
Provision for warranty	319	275	653	458
Accrued warranty—end of period	$ 2,433	$ 1,691	$ 2,433	$ 1,691