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OTHER EXPENSE (Tables)
 6 Months Ended
Jun. 30, 2023
Other expense (income) [Abstract]  
Schedule of other expense (income)
a)    Other Expense (Income)
   For the three months ended June 30 For the six months ended June 30
   2023 2022 2023 2022
Other expense:
Bank charges $—  $—  $1  $2 
Litigation 4  3  9  7 
Loss (gain) on warrant investments at fair value through profit or loss ("FVPL") 3  (2) 5  (4)
Porgera care and maintenance costs 13  14  30  27 
Buzwagi supplies obsolescence —  —  —  2 
Tanzania education program —  —  30  — 
Other 8  10  14  18 
Total other expense $28  $25  $89  $52 
Other income:
Gain on sale of non-current assets ($3) ($20) ($6) ($22)
Gain on non-hedge derivatives (1) —  (2) (7)
Insurance proceeds related to NGM —  —  —  (22)
Interest income on other assets (6) (3) (11) (7)
Other —  —  —  (3)
Total other income ($10) ($23) ($19) ($61)
Total $18  $2  $70  ($9)

b)    Impairment Charges
   For the three months ended June 30 For the six months ended June 30
   2023 2022 2023 2022
Impairment charges of non-current assets1
 $22  $3  $23  $5 
Total $22  $3  $23  $5 
1Refer to note 12 for further details.