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FINANCIAL LIABILITIES (Tables) | 12 Months Ended
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Dec. 31, 2021
Financial Instruments [Abstract] |
Disclosure of financial liabilities |
US$ MILLIONS |  | 2021 |  | 2020
Current: |  |  |  |
Deferred consideration(1) |  | $ | 1,148 |  |  | $ | 136 |
Interest rate swaps |  | 54 |  |  | 116 |
Foreign currency forward contracts |  | 76 |  |  | 107 |
Other financial liabilities |  | 232 |  |  | 337 |
Total current financial liabilities |  | $ | 1,510 |  |  | $ | 696 |
Non-current: |  |  |  |
Deferred consideration(1) |  | $ | 6 |  |  | $ | 1,022 |
Interest rate swaps |  | 160 |  |  | 341 |
Foreign currency forward contracts |  | 22 |  |  | 138 |
Inflation swaps |  | — |  |  | 46 |
Other financial liabilities(2) |  | 1,542 |  |  | 1,131 |
Total non-current financial liabilities |  | $ | 1,730 |  |  | $ | 2,678 |
(1)Deferred consideration primarily relates to the April 4, 2017 acquisition our Brazilian regulated gas transmission operation. The deferred consideration is denominated in U.S. dollars and accrues interest at 3.35% compounded annually. The financial liability is measured at amortized cost and is payable on the fifth anniversary of the date of acquisition. (2)Other financial liabilities primarily includes capital provided by non-controlling interest in the form of a shareholder loan.

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