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GOODWILL AND OTHER INTANGIBLE ASSETS (Tables) | 12 Months Ended
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Dec. 31, 2021
Goodwill and other intangible assets [Abstract] |
Schedule of intangible assets |
a) Intangible Assets |  |  |  |  |  |
| Water rights 1 | Technology 2 | Supply contracts 3 | Exploration potential 4 | Total |
Opening balance January 1, 2020 | $72 |  | $7 |  | $7 |  | $140 |  | $226 |  |
Additions | — |  | — |  | — |  | 5 |  | 5 |  |
Disposals | (5) |  | — |  | — |  | (41) |  | (46) |  |
Amortization and impairment losses | — |  | (1) |  | (3) |  | (12) |  | (16) |  |
Closing balance December 31, 2020 | $67 |  | $6 |  | $4 |  | $92 |  | $169 |  |
Disposals 5 | (6) |  | — |  | — |  | (10) |  | (16) |  |
Amortization and impairment losses | — |  | — |  | (3) |  | — |  | (3) |  |
Closing balance December 31, 2021 | $61 |  | $6 |  | $1 |  | $82 |  | $150 |  |
Cost | $61 |  | $17 |  | $39 |  | $252 |  | $369 |  |
Accumulated amortization and impairment losses | — |  | (11) |  | (38) |  | (170) |  | (219) |  |
Net carrying amount December 31, 2021 | $61 |  | $6 |  | $1 |  | $82 |  | $150 |  |
1 Relates to water rights in South America, and will be amortized through cost of sales when we begin using these in the future. 2 The amount is amortized through cost of sales using the UOP method over LOM ounces of the Pueblo Viejo mine, with no assumed residual value. 3 Relates to a supply agreement with Michelin North America Inc. to secure a supply of tires and is amortized over the effective term of the contract through cost of sales. 4 Exploration potential consists of the estimated fair value attributable to exploration licenses acquired as a result of a business combination or asset acquisition. The carrying value of the licenses will be transferred to PP&E when the development of attributable mineral resources commences. 5 Exploration potential disposals relate to the sale of Acacia exploration properties.
Schedule of goodwill |
| Closing balance December 31, 2020 | Additions |  | Disposals | Closing balance December 31, 2021 |
Carlin | $1,294 |  | $— |  |  | $— |  | $1,294 |  |
Cortez 1 | 899 |  | — |  |  | — |  | 899 |  |
Turquoise Ridge | 722 |  | — |  |  | — |  | 722 |  |
Phoenix | 119 |  | — |  |  | — |  | 119 |  |
Hemlo | 63 |  | — |  |  | — |  | 63 |  |
Loulo-Gounkoto | 1,672 |  | — |  |  | — |  | 1,672 |  |
Total | $4,769 |  | $— |  |  | $— |  | $4,769 |  |
1 Starting in Q1 2021, Goldrush is included as part of Cortez as the CODM began reviewing the operating results and assessing performance on a combined level. The goodwill of Cortez and Goldrush has been combined and the prior period has been changed to reflect this presentation. On a total basis, the gross amount and accumulated impairment losses are as follows:
Cost | $12,211 |
Accumulated impairment losses December 31, 2021 | (7,442) |
Net carrying amount December 31, 2021 | $4,769 |

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