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GOODWILL
 12 Months Ended
Dec. 31, 2017
Intangible Assets [Abstract]  
GOODWILL
GOODWILL
The following table presents the carrying amount for Brookfield Infrastructure’s goodwill:
US$ MILLIONS
 
2017
 
2016
Balance at beginning of the year
 
$
502

 
$
79

Acquisitions through business combinations(1)
 
815

 
431

Foreign currency translation and other
 
(16
)
 
(8
)
Balance at end of the year
 
$
1,301

 
$
502

 
(1)
See Note 5, Acquisition of Business for additional information.