Guarantees

We extend a variety of financial, market value and product performance guarantees to third parties. There have been no material changes to guarantees outstanding since December 31, 2014. The changes in the carrying amount of service and product warranties and product performance guarantees for the nine months ended September 30, 2015 and 2014 are as follows:



(Dollars in millions)	2015			2014
Balance as of January 1	$	1,264		$	1,324
Warranties and performance guarantees issued	208			180
Settlements made	(217		)	(242		)
Other	(56		)	(33		)
Balance as of September 30	$	1,199		$	1,229

The amounts above exclude service and product warranties and product performance guarantees related to Sikorsky of approximately $42 million and $38 million as of September 30, 2015 and 2014, respectively, which have been included in Liabilities held for sale.