Guarantees (Details) - USD ($) $ in Millions	6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Dec. 31, 2021
Product Warranty Liability [Line Items]
Balance as of January 1	$ 1,157	$ 1,057
Warranties and performance guarantees issued	128	176
Settlements made	(131)	(128)
Other	(11)	(3)
Balance as of June 30	1,143	$ 1,102
Commercial Aerospace Financing Arrangements
Product Warranty Liability [Line Items]
Maximum Potential Payment	304		$ 309
Carrying Amount of Liability	0		3
Third Party Guarantees
Product Warranty Liability [Line Items]
Maximum Potential Payment	486		511
Carrying Amount of Liability	1		5
Commercial Aerospace [Member]
Product Warranty Liability [Line Items]
Partner Share of Guarantor Obligations, Maximum Exposure, Undiscounted	140		141
Guarantee Type, Other
Product Warranty Liability [Line Items]
Carrying Amount of Liability	$ 110		$ 120