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Brumadinho dam failure - Operation Stoppages (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2020 | Dec. 31, 2019 | Dec. 31, 2018
Contingencies |  |  |
Loss related to operational stoppage and idle capacity | $ 887 | $ 1,153 | $ 271
Ferrous minerals |  |  |
Contingencies |  |  |
Loss related to operational stoppage and idle capacity | $ 634 | $ 983 |

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- Definition The amount of expense relating to pre-operating and operational stoppage. + References No definition available. + Details
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