Guarantees

3 Months Ended

Mar. 31, 2019

Service and Product Warranties and Product Performance Guarantees [Abstract]

Guarantees [Text Block]

Guarantees

We extend a variety of financial, market value and product performance guarantees to third parties. There have been no material changes to financial guarantees outstanding since December 31, 2018. The changes in the carrying amount of service and product warranties and product performance guarantees for the quarters ended March 31, 2019 and 2018 are as follows:

(dollars in millions)	2019			2018
Balance as of January 1	$	1,449		$	1,146
Warranties and performance guarantees issued	137			115
Settlements made	(110		)	(106		)
Other	9			6
Balance as of March 31	$	1,485		$	1,161