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Costs and expenses by nature - Other (Details 1) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Notes and other explanatory information [abstract] |  |  |  |
Expenses related to Brumadinho event | $ 271 | $ 280 | $ 382 | $ 403
Expenses related to de-characterization of dam |  |  |  | 37
Asset retirement obligations | 13 | 40 | 13 | 40
Provision for litigations | 52 | 48 | 83 | 64
Profit sharing program | 32 | 19 | 87 | 67
Other | 20 | 58 | 42 | 100
Total | $ 388 | $ 445 | $ 607 | $ 711

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