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v3.23.1

Income taxes - Recoverable and payable taxes (Details) - USD ($) $ in Millions | Dec. 31, 2022 | Dec. 31, 2021
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IfrsStatementLineItems [Line Items] |  |
Current tax assets, current | $ 1,272 | $ 862
Current tax assets, non-current | 1,110 | 935
Current tax liabilities, current | 470 | 2,177
Value Added Tax [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Current tax assets, current | 261 | 217
Current tax assets, non-current | 1 | 11
Current tax liabilities, current | 46 | 162
Brazilian Federal Contributions [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Current tax assets, current | 690 | 520
Current tax assets, non-current | 740 | 511
Current tax liabilities, current | 35 | 12
Income Taxes [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Current tax assets, current | 309 | 113
Current tax assets, non-current | 369 | 413
Current tax liabilities, current | 221 | 1,861
Financial Compensation For Exploration Of Mineral Resources [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Current tax liabilities, current | 54 | 59
Others [Member] |  |
IfrsStatementLineItems [Line Items] |  |
Current tax assets, current | 12 | 12
Current tax liabilities, current | $ 114 | $ 83

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