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FINANCIAL LIABILITIES (Tables) | 12 Months Ended
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Dec. 31, 2018
Financial Instruments [Abstract] |
Disclosure of financial liabilities [Table Text Block] |
US$ MILLIONS |  | 2018 |  | 2017
Current: |  |  |  |
Foreign currency forward contracts |  | $ | 16 |  |  | $ | 150 |
Other financial liabilities |  | 108 |  |  | 87 |
Total current financial liabilities |  | $ | 124 |  |  | $ | 237 |
Non-current: |  |  |  |
Deferred consideration(1) |  | $ | 953 |  |  | $ | 916 |
Interest rate swaps |  | 100 |  |  | 9 |
Inflation swaps |  | 78 |  |  | 84 |
Other financial liabilities |  | 25 |  |  | 67 |
Total non-current financial liabilities |  | $ | 1,156 |  |  | $ | 1,076 |
(1) | The deferred consideration is related to the acquisitions completed during 2017 and 2018. See Note 6, Acquisition of Businesses for further details.

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