OTHER ASSETS (Tables)

12 Months Ended

Dec. 31, 2017

Subclassifications of assets, liabilities and equities [abstract]

Disclosure of Other Assets

(US$ MILLIONS)	2017		2016
Current
Work in progress (1)	$	195	$	309
Prepayments and other assets	235		88
Total current	$	430	$	397
Non-current
Prepayments and other assets	$	79	$	21
Total non-current	$	79	$	21

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⁽¹⁾  See Note 16 for additional information.