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ACCOUNTS RECEIVABLE AND OTHER CURRENT ASSETS
 12 Months Ended
Dec. 31, 2019
Subclassifications of assets, liabilities and equities [abstract]  
ACCOUNTS RECEIVABLE AND OTHER CURRENT ASSETS
ACCOUNTS RECEIVABLE AND OTHER CURRENT ASSETS
 
As at December 31, 2019

As at December 31, 2018

Accounts receivable
 
 
   Amounts due from concentrate sales

$68


$76

   Other receivables
295

172

 

$363


$248

Other current assets
 
 
   Derivative assets

$1


$2

   Goods and services taxes recoverable1
302

182

   Prepaid expenses
174

72

   Other2
88

51

 

$565


$307

1 
Primarily includes VAT and fuel tax recoverables of $141 million in Mali, $61 million in Tanzania, $50 million in Zambia, $26 million in Argentina, and $10 million in the Dominican Republic (Dec. 31, 2018: $nil, $67 million, $60 million, $22 million, and $12 million, respectively).
2 
2019 balance includes $50 million asset reflecting the final settlement of Zambian tax matters. Refer to note 3 for further details.