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PROPERTY, PLANT AND EQUIPMENT (Tables) | 12 Months Ended
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Dec. 31, 2021
Property, plant and equipment [abstract] |
Schedules of property, plant and equipment | 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, 2021 |  |  |  |  |
Net of accumulated depreciation | $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 (impairments) | 42 |  | (13) |  | 1 |  | 30 |  |
Transfers 6 | 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 |  |
| 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, 2020 |  |  |  |  |
Cost | $18,544 |  | $27,268 |  | $16,050 |  | $61,862 |  |
Accumulated depreciation and impairments | (10,791) |  | (14,980) |  | (11,950) |  | (37,721) |  |
Net carrying amount – January 1, 2020 | $7,753 |  | $12,288 |  | $4,100 |  | $24,141 |  |
Additions 5 | 10 |  | 259 |  | 1,919 |  | 2,188 |  |
Capitalized interest | — |  | — |  | 24 |  | 24 |  |
Disposals | (24) |  | (1) |  | (12) |  | (37) |  |
Depreciation | (1,219) |  | (1,146) |  | — |  | (2,365) |  |
Impairment reversals | 260 |  | 412 |  | 5 |  | 677 |  |
Transfers 6 | 693 |  | 1,757 |  | (2,450) |  | — |  |
At December 31, 2020 | $7,473 |  | $13,569 |  | $3,586 |  | $24,628 |  |
At December 31, 2020 |  |  |  |  |
Cost | $18,361 |  | $29,901 |  | $15,531 |  | $63,793 |  |
Accumulated depreciation and impairments | (10,888) |  | (16,332) |  | (11,945) |  | (39,165) |  |
Net carrying amount – December 31, 2020 | $7,473 |  | $13,569 |  | $3,586 |  | $24,628 |  |
1 Additions include $22 million of right-of-use assets for lease arrangements entered into during the year ended December 31, 2021 (2020: $4 million). Depreciation includes depreciation for leased right-of-use assets of $18 million for the year ended December 31, 2021 (2020: $21 million). The net carrying amount of leased right-of-use assets was $53 million as at December 31, 2021 (2020: $50 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. 6Primarily relates to long-lived assets that are transferred between categories within PP&E once they are placed into service.Mineral Property Costs Not Subject to Depreciation
| Carrying amount at Dec. 31, 2021 | Carrying amount at Dec. 31, 2020
Construction-in-progress 1 | $2,114 |  | $1,208 |
Acquired mineral resources and exploration potential | 165 |  | 786 |
Projects |  |
Pascua-Lama | 780 |  | 741 |
Norte Abierto | 662 |  | 653 |
Donlin Gold | 212 |  | 198 |
| $3,933 |  | $3,586 |
1 Represents assets under construction at our operating minesites.

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