Commitments - Extended Warranty Liability (Details) - USD ($) $ in Millions	3 Months Ended	6 Months Ended
	Jun. 30, 2023	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Movement in deferred income
Amortization of deferred revenue	$ (4,400)	$ (6,800)
Deferred income (current)	12,712	12,712		$ 12,032
Deferred income (noncurrent)	3,264	3,264		$ 3,499
Extended Warranty
Movement in deferred income
Beginning Balance		272	$ 350
Revenue deferred for new extended warranty contracts		20	84
Amortization of deferred revenue		(73)	(83)
Other		(1)	(12)
Ending Balance	218	218	339
Deferred income (current)	119	119	172
Deferred income (noncurrent)	$ 99	$ 99	$ 167