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OTHER NON-CURRENT ASSETS (Tables)
12 Months Ended
Dec. 31, 2019
Subclassifications of assets, liabilities and equities [abstract]  
Disclosure of other non-current assets
The components of other non-current assets are as follows:
 
(US$ Millions)
Dec. 31, 2019

Dec. 31, 2018

Securities - FVTPL
$
1,250

$
239

Derivative assets
10

13

Securities - FVTOCI
121

260

Restricted cash
154

161

Inventory(1)
507

435

Other
284

748

Total other non-current assets
$
2,326

$
1,856

(1) 
Includes right-of-use inventory of $31 million as of December 31, 2019.