Guarantees (Details) - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Guarantee Obligations [Line Items]
Balance as of January 1	$ 1,109	$ 1,157	$ 1,057
Warranties and performance guarantees issued	305	264	380
Settlements	(308)	(284)	(272)
Other	(15)	(28)	(8)
Balance as of December 31	1,091	1,109	$ 1,157
Commercial Aerospace Financing Arrangements
Guarantee Obligations [Line Items]
Maximum Potential Payment	288	304
Carrying Amount of Liability	0	0
Third Party Guarantees
Guarantee Obligations [Line Items]
Maximum Potential Payment	386	335
Carrying Amount of Liability	1	1
Commercial Aerospace [Member]
Guarantee Obligations [Line Items]
Partner Share of Guarantor Obligations, Maximum Exposure, Undiscounted	135	140
Guarantee Type, Other
Guarantee Obligations [Line Items]
Carrying Amount of Liability	$ 97	$ 97