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PROPERTY, PLANT AND EQUIPMENT (Tables) | 12 Months Ended
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Dec. 31, 2022
Property, plant and equipment [abstract] |
Schedules of property, plant and equipment |
| Buildings, plant and equipment 1 | Mining property costs subject to depreciation 2,4 | Mining property costs not subject to depreciation 2,3 | Total |
At January 1, 2022 |  |  |  |  |
Net of accumulated depreciation | $6,536 |  | $14,485 |  | $3,933 |  | $24,954 |  |
Additions 5 | 30 |  | (139) |  | 2,977 |  | 2,868 |  |
Capitalized interest | — |  | — |  | 29 |  | 29 |  |
Acquisitions 6 | — |  | — |  | 744 |  | 744 |  |
Disposals | (4) |  | (1) |  | — |  | (5) |  |
Depreciation | (966) |  | (1,229) |  | — |  | (2,195) |  |
Impairment charges | (120) |  | (442) |  | (12) |  | (574) |  |
Transfers 7 | 1,273 |  | 1,326 |  | (2,599) |  | — |  |
At December 31, 2022 | $6,749 |  | $14,000 |  | $5,072 |  | $25,821 |  |
At December 31, 2022 |  |  |  |  |
Cost | $18,469 |  | $33,046 |  | $17,027 |  | $68,542 |  |
Accumulated depreciation and impairments | (11,720) |  | (19,046) |  | (11,955) |  | (42,721) |  |
Net carrying amount – December 31, 2022 | $6,749 |  | $14,000 |  | $5,072 |  | $25,821 |  |
| Buildings, plant and equipment 1 | Mining property costs subject to depreciation 2,4 | Mining property costs not subject to depreciation 2,3 | Total |
At January 1, 2021 |  |  |  |  |
Cost | $18,361 |  | $29,901 |  | $15,531 |  | $63,793 |  |
Accumulated depreciation and impairments | (10,888) |  | (16,332) |  | (11,945) |  | (39,165) |  |
Net carrying amount – January 1, 2021 | $7,473 |  | $13,569 |  | $3,586 |  | $24,628 |  |
Additions 5 | 23 |  | 154 |  | 2,366 |  | 2,543 |  |
Capitalized interest | — |  | — |  | 16 |  | 16 |  |
Divestiture | (50) |  | (2) |  | (1) |  | (53) |  |
Disposals | (7) |  | (1) |  | (10) |  | (18) |  |
Depreciation | (1,139) |  | (1,053) |  | — |  | (2,192) |  |
Impairment reversals (charges) | 42 |  | (13) |  | 1 |  | 30 |  |
Transfers 7 | 194 |  | 1,831 |  | (2,025) |  | — |  |
At December 31, 2021 | $6,536 |  | $14,485 |  | $3,933 |  | $24,954 |  |
At December 31, 2021 |  |  |  |  |
Cost | $17,237 |  | $31,824 |  | $15,876 |  | $64,937 |  |
Accumulated depreciation and impairments | (10,701) |  | (17,339) |  | (11,943) |  | (39,983) |  |
Net carrying amount – December 31, 2021 | $6,536 |  | $14,485 |  | $3,933 |  | $24,954 |  |
1 Additions include $30 million of right-of-use assets for lease arrangements entered into during the year ended December 31, 2022 (2021: $22 million). Depreciation includes depreciation for leased right-of-use assets of $20 million for the year ended December 31, 2022 (2021: $18 million). The net carrying amount of leased right-of-use assets was $61 million as at December 31, 2022 (2021: $53 million). 2 Includes capitalized reserve acquisition costs, capitalized development costs and capitalized exploration and evaluation costs other than exploration license costs included in intangible assets. 3 Assets not subject to depreciation include construction-in-progress, projects and acquired mineral resources and exploration potential at operating minesites and development projects. 4 Assets subject to depreciation include the following items for production stage properties: acquired mineral reserves and resources, capitalized mine development costs, capitalized stripping and capitalized exploration and evaluation costs. 5 Additions include revisions to the capitalized cost of closure and rehabilitation activities. 6 Relates to the Reko Diq reconstitution. Refer to note 4 for further information. 7 Primarily relates to non-current assets that are transferred between categories within PP&E once they are placed into service. Mining Property Costs Not Subject to Depreciation
| Carrying amount at Dec. 31, 2022 | Carrying amount at Dec. 31, 2021
Construction-in-progress 1 | $2,553 |  | $2,114 |
Acquired mineral resources and exploration potential | 139 |  | 165 |
Projects |  |
Pascua-Lama | 727 |  | 780 |
Norte Abierto | 670 |  | 662 |
Reko Diq | 744 |  | — |
Donlin Gold | 239 |  | 212 |
| $5,072 |  | $3,933 |
1 Represents assets under construction at our operating minesites.

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