Guarantees
 9 Months Ended
Sep. 30, 2016
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 guarantees outstanding since December 31, 2015. The changes in the carrying amount of service and product warranties and product performance guarantees for the nine months ended September 30, 2016 and 2015 are as follows:
(Dollars in millions)
 
2016
 
2015
Balance as of January 1
 
$
1,212

 
$
1,264

Warranties and performance guarantees issued
 
218

 
208

Settlements made
 
(192
)
 
(217
)
Other
 
—

 
(56
)
Balance as of September 30
 
$
1,238

 
$
1,199


The amounts above exclude service and product warranties and product performance guarantees related to Sikorsky of approximately $42 million as of September 30, 2015.