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GOODWILL (Tables) | 12 Months Ended
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Dec. 31, 2018
Intangible Assets [Abstract] |
Disclosure of reconciliation of changes in intangible assets and goodwill | The following table presents the carrying amount for Brookfield Infrastructure’s goodwill:
US$ MILLIONS |  | 2018 |  | 2017
Balance at beginning of the year |  | $ | 1,301 |  |  | $ | 502 |
Acquisitions through business combinations(1) |  | 2,905 |  |  | 815 |
Foreign currency translation and other |  | (347 | ) |  | (16 | )
Balance at end of the year |  | $ | 3,859 |  |  | $ | 1,301 |
(1) | See Note 6, Acquisition of Businesses for additional information.

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