Guarantees (Details) - USD ($) $ in Millions	3 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022
Product Warranty Liability [Line Items]
Balance as of January 1	$ 1,109	$ 1,157
Warranties and performance guarantees issued	69	71
Settlements	(84)	(74)
Other	(1)	0
Balance as of March 31	1,093	$ 1,154
Commercial Aerospace Financing Arrangements
Product Warranty Liability [Line Items]
Maximum Potential Payment	304		$ 304
Carrying Amount of Liability	0		0
Third Party Guarantees
Product Warranty Liability [Line Items]
Maximum Potential Payment	395		335
Carrying Amount of Liability	1		1
Commercial Aerospace [Member]
Product Warranty Liability [Line Items]
Partner Share of Guarantor Obligations, Maximum Exposure, Undiscounted	140		140
Guarantee Type, Other
Product Warranty Liability [Line Items]
Carrying Amount of Liability	$ 96		$ 97