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INVENTORIES INVENTORIES | 12 Months Ended
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Dec. 31, 2022
Inventories [Abstract] |
Inventories | Inventories
| Gold | Copper
| As at December 31, 2022 | As at December 31, 2021 | As at December 31, 2022 | As at December 31, 2021
Raw materials |  |  |  |
Ore in stockpiles | $2,809 |  | $2,587 |  | $150 |  | $174 |
Ore on leach pads | 641 |  | 663 |  | — |  | — |
Mine operating supplies | 704 |  | 593 |  | 59 |  | 79 |
Work in process | 138 |  | 108 |  | — |  | — |
Finished products | 89 |  | 76 |  | 10 |  | 90 |
| $4,381 |  | $4,027 |  | $219 |  | $343 |
Non-current ore in stockpiles and on leach pads 1 | (2,669) |  | (2,462) |  | (150) |  | (174) |
| $1,712 |  | $1,565 |  | $69 |  | $169 |
1 Ore 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 | 2022 | 2021
Veladero | 42 |  | — |
Carlin | 33 |  | — |
Lumwana | 19 |  | — |
Cortez | 10 |  | 22 |
Inventory impairment charges | $104 |  | $22 |
Ore in Stockpiles | As at December 31, 2022 | As at December 31, 2021
Gold |  |
Carlin | $1,129 |  | $986 |
Pueblo Viejo | 712 |  | 674 |
Turquoise Ridge | 354 |  | 405 |
Loulo-Gounkoto | 175 |  | 161 |
North Mara | 165 |  | 93 |
Cortez | 104 |  | 81 |
Phoenix | 78 |  | 73 |
Veladero | 40 |  | 51 |
Porgera | 30 |  | 30 |
Tongon | 20 |  | 33 |
Bulyanhulu | 2 |  | — |
Copper |  |
Lumwana | 150 |  | 174 |
| $2,959 |  | $2,761 |
Ore on Leach pads | As at December 31, 2022 | As at December 31, 2021
Gold |  |
Veladero | $238 |  | $196 |
Carlin | 196 |  | 209 |
Cortez | 112 |  | 113 |
Turquoise Ridge | 37 |  | 41 |
Long Canyon | 32 |  | 77 |
Phoenix | 26 |  | 23 |
Pierina | — |  | 4 |
| $641 |  | $663 |
Purchase Commitments At December 31, 2022, we had purchase obligations for supplies and consumables of approximately $1,753 million (2021: $1,718 million).

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