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Impairment reversal (impairment and disposals) of non-current assets (Tables) | 12 Months Ended
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Dec. 31, 2022
Impairment Reversal Impairment And Disposals Of Non-current Assets |
Schedule of impairment losses recognized |
Schedule of impairment losses recognized |  |  |  |  |  |  |  |  |
|  | Notes |  |  | 2022 |  | 2021 |  | 2020
Midwestern System |  | 16(b) |  |  | 205 |  | (78) |  | -
Manganese |  | 16(e) |  |  | (10) |  | (35) |  | (76)
Vale Nouvelle-Calédonie S.A.S. ("VNC") |  | 16(f) |  |  | - |  | (98) |  | (882)
Biopalma |  | 16(i) |  |  | - |  | - |  | (125)
Impairment reversal (impairment) of non-current assets |  |  |  |  | 195 |  | (211) |  | (1,083)
Onerous contracts - Midwestern System |  | 16(b) |  |  | 916 |  | (18) |  | -
Result of disposals of non-current assets |  |  |  |  | (338) |  | (197) |  | (225)
Result of disposals of non-current assets and other results |  |  |  |  | 578 |  | (215) |  | (225)
Impairment reversal (impairment and disposals) of non-current assets |  |  |  |  | 773 |  | (426) |  | (1,308)
Summary of impairment test for the goodwill |
Summary of impairment test for the goodwill |  |  |
| 2022 | 2021 |
Carrying amount | US$1,367 | US$1,278 |
Impairment testing results | The recoverable amount of the operating segments is higher than the carrying amount and, therefore, there is no impairment to be recognized. | The recoverable amount of the operating segments is higher than the carrying amount and, therefore, there is no impairment to be recognized. |
Measurement of recoverable value | FVLCD | FVLCD |
Discount rate | 6.4% | 4.4% |
Period of cash flow projections | 2052 | 2051 |
Range of iron ore forecasted prices | US$/t 75 - 95 | US$/t 80 - 90 |
Sensitivity of key assumptions | A 29% reduction in the long-term prices of all commodities or a 51% reduction in reserves would, alone, result in estimated recoverable amount equal to the carrying value of this CGU. | A 29% reduction in the long-term prices of all commodities or a 52% reduction in reserves would, alone, result in estimated recoverable amount equal to the carrying value of this CGU. |
Goodwill allocated to nickel operations
| 2022 | 2021 |
Carrying amount | US$1,822 | US$1,930 |
Impairment testing results | The recoverable amount of the operating segments is higher than the carrying amount and, therefore, there is no impairment to be recognized. | The recoverable amount of the operating segments is higher than the carrying amount and, therefore, there is no impairment to be recognized. |
Measurement of recoverable value | FVLCD | FVLCD |
Discount rate | 4.5% - 5.3% | 3.2% - 3.8% |
Period of cash flow projections | 2045 | 2045 |
Range of nickel forecasted prices | US$/t 21,000 – 24,000 | US$/t 17,000 – 19,000 |
Sensitivity of key assumptions | A 23.7% reduction in the long-term prices of all commodities or an 8.4% reduction in volumes would, alone, result in estimated recoverable amount equal to the carrying value of this CGU. | A 27.9% reduction in the long-term prices of all commodities or an 10.1% reduction in volumes would, alone, result in estimated recoverable amount equal to the carrying value of this CGU. |
Other intangibles - Research and development project
| 2022 | 2021 |
Carrying amount | US$528 | US$494 |
Impairment testing results | The recoverable amount of the operating segments is higher than the carrying amount and, therefore, there is no impairment to be recognised. | The recoverable amount of the operating segments is higher than the carrying amount and, therefore, there is no impairment to be recognised. |
Measurement of recoverable value | FVLCD | FVLCD |
Discount rate | 6.4% | 4.4% |
Period of cash flow projections | 2052 | 2051 |
Sensitivity of key assumptions | A 77% reduction in in processing and beneficiating iron ore volumes would, alone, result in estimated recoverable amount equal to the carrying value of this CGU. | A 80% reduction in processing and beneficiating iron ore volumes would, alone, result in estimated recoverable amount equal to the carrying value of this CGU. |

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