Impairment and result on disposal of non-current assets (Details 3) t in Millions, $ in Millions |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2025
USD ($)
t
|
Dec. 31, 2024
USD ($)
t
|
|
| Nickel Operations [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Carrying amount | $ | $ 1,655 | |
| Impairment testing results | Impairment loss in the amount of US$1,735, corresponding to the full value of the goodwill | The recoverable amount of the CGUs is higher than the carrying amount, including goodwill. Therefore, there is no impairment to be recognized. |
| Measurement of recoverable value | FVLCD | FVLCD |
| Discount rate | 6.50% | |
| Period of cash flow projections | 2049 | |
| Sensitivity of key assumptions | A 19.2% reduction in the long-term prices of all commodities or a 5.7% reduction in volumes would, alone, result in an estimated recoverable amount equal to the carrying value. | |
| Nickel Operations [Member] | Bottom of range [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Discount rate | 5.00% | |
| Period of cash flow projections | 2035 | |
| Range of nickel forecasted prices | 16,100 | 16,662 |
| Nickel Operations [Member] | Top of range [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Discount rate | 6.00% | |
| Period of cash flow projections | 2049 | |
| Range of nickel forecasted prices | 18,000 | 21,000 |
| Iron Ore Pellets [Member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Carrying amount | $ | $ 1,297 | $ 1,152 |
| Impairment testing results | The recoverable amount of the operating segment is higher than the carrying amount, including goodwill. Therefore, there is no impairment to be recognized. | The recoverable amount of the operating segment is higher than the carrying amount, including goodwill. Therefore, there is no impairment to be recognized. |
| Measurement of recoverable value | FVLCD | FVLCD |
| Discount rate | 7.30% | 7.20% |
| Period of cash flow projections | 2055 | 2054 |
| Sensitivity of key assumptions | A 23% reduction in the long-term prices of all commodities or a 48% reduction in reserves would, alone, result in an estimated recoverable amount equal to the carrying value. | A 25% reduction in the long-term prices of all commodities or a 57% reduction in reserves would, alone, result in an estimated recoverable amount equal to the carrying value. |
| Iron Ore Pellets [Member] | Bottom of range [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Range iron ore forecasted prices | 78 | 78 |
| Iron Ore Pellets [Member] | Top of range [member] | ||
| IfrsStatementLineItems [Line Items] | ||
| Range iron ore forecasted prices | 91 | 95 |