Guarantees (Tables)

12 Months Ended

Dec. 31, 2023

Guarantees [Abstract]

Schedule of Guarantor Obligations

As of December 31, 2023 and 2022, the following financial guarantees were outstanding:

	December 31, 2023				December 31, 2022
(dollars in millions)	Maximum Potential Payment		Carrying Amount of Liability		Maximum Potential Payment		Carrying Amount of Liability
Commercial aerospace financing arrangements	$	288	$	—	$	304	$	—
Third party guarantees	386		1		335		1

Product Warranty Disclosure

The changes in the carrying amount of service and product warranties and product performance guarantees for the years ended December 31 were as follows:

(dollars in millions)	2023		2022		2021
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