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FINANCIAL ASSETS
6 Months Ended
Jun. 30, 2019
Financial Instruments [Abstract]  
FINANCIAL ASSETS
FINANCIAL ASSETS
(US$ MILLIONS)
 
June 30, 2019
 
December 31, 2018
Current
 
 
 
 
Marketable securities
 
$
256

 
$
265

Restricted cash
 
170

 
376

Derivative contracts
 
108

 
223

Loans and notes receivable
 
31

 
22

Total current
 
$
565

 
$
886

Non-current
 
 
 
 
Marketable securities (1)
 
$

 
$
1

Restricted cash
 
198

 
32

Derivative contracts
 
27

 
20

Loans and notes receivable
 
122

 
150

Other financial assets (1)
 
287

 
280

Total non-current
 
$
634

 
$
483

____________________________________
(1) 
Other financial assets include secured debentures to homebuilding companies in our business services segment.

The decrease in financial assets from December 31, 2018 is primarily due to a decrease in fair value of derivatives at Greenergy and the sale of public securities recorded as a financial asset in our corporate segment, combined with lower restricted cash at Westinghouse and the disposition of the partnership's facilities management business.