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Income taxes - Uncertain tax position (Details) - USD ($) $ in Millions | 12 Months Ended
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Dec. 31, 2022 | Dec. 31, 2021
Income Taxes |  |
Transfer pricing over the exportation of ores to a foreign subsidiary | $ 829 | $ 669
Expenses of interest on capital | 1,154 | 981
Proceeding related to income tax paid abroad | 439 | 399
Goodwill amortization | 517 | 305
Payments to Renova Foundation | 24 | 21
Other | 696 | 747
Total not recorded on balance sheet | 3,659 | 3,122
Deduction of CSLL in Brazil | 155 |
Gain related to incidence of IRPJ and CSLL on SELIC rate in the repetition of undue payment |  | 34
Total recorded balance sheet | $ 155 | $ 34

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