Changes in the carrying amount of goodwill are as follows: 
(In millions of dollars)
2016

 
2015

Balance as of January 1, as reported
$
7,889

 
$
7,241

Goodwill acquired
556

 
783

Other adjustments(a)
(76
)
 
(135
)
Balance at December 31,
$
8,369

 
$
7,889


(a)
Primarily due to the impact of foreign exchange in both years.