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FINANCIAL LIABILITIES
 12 Months Ended
Dec. 31, 2019
Financial Instruments [Abstract]  
FINANCIAL LIABILITIES
FINANCIAL LIABILITIES
US$ MILLIONS
 
2019
 
2018
Current:
 
 
 
 
Deferred consideration
 
$
131

 
$
3

Foreign currency forward contracts
 
61

 
16

Other financial liabilities
 
137

 
105

Total current financial liabilities
 
$
329

 
$
124

 
 
 
 
 
Non-current:
 
 
 
 
Deferred consideration
 
$
1,115

 
$
953

Interest rate swaps
 
113

 
100

Foreign currency forward contracts
 
36

 
7

Inflation swaps
 
71

 
78

Other financial liabilities
 
509

 
18

Total non-current financial liabilities
 
$
1,844

 
$
1,156