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INVENTORIES (Tables)
 12 Months Ended
Dec. 31, 2021
Inventories [Abstract]  
Schedules of inventories and inventory impairment charges
Gold Copper
  As at December 31, 2021 As at December 31, 2020 As at December 31, 2021 As at December 31, 2020
Raw materials
   Ore in stockpiles $2,587  $2,742  $174  $114 
   Ore on leach pads 663  591  —  — 
Mine operating supplies 593  615  79  54 
Work in process 108  117  —  — 
Finished products 76  114  90  97 
$4,027  $4,179  $343  $265 
Non-current ore in stockpiles and on leach pads1
 (2,462) (2,452) (174) (114)
  $1,565  $1,727  $169  $151 
1Ore that we do not expect to process in the next 12 months is classified within other long-term assets.

Inventory Impairment Charges
For the years ended December 31 2021 2020
Cortez $22  $17 
Phoenix —  10 
Carlin —  2 
Inventory impairment charges $22  $29 
Ore in Stockpiles As at December 31, 2021 As at December 31, 2020
Gold
Carlin $986  $1,029 
Pueblo Viejo 674  646 
Turquoise Ridge 405  365 
Loulo-Gounkoto 161  171 
North Mara 93  133 
Cortez 81  127 
Lagunas Norte —  73 
Veladero 51  58 
Phoenix 73  47 
Tongon 33  33 
Porgera 30  30 
Buzwagi —  15 
Hemlo —  14 
Other —  1 
Copper
Lumwana 174  114 
  $2,761  $2,856 
Ore on Leach pads As at December 31, 2021 As at December 31, 2020
Gold
Carlin $209  $179 
Veladero 196  133 
Cortez 113  58 
Long Canyon 77  33 
Turquoise Ridge 41  39 
Phoenix 23  26 
Pierina 4  2 
Lagunas Norte —  121 
  $663  $591