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Provision for de-characterization of dam structures and asset retirement obligations - De-characterization of dam structures located in Brazil (Details) - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
IfrsStatementLineItems [Line Items] |  |
Balance at the beginning | $ 3,537 |
Additional provision | 27 | $ 129
Disbursements | (127) | (145)
Translation adjustment | 303 |
Balance at the ending | 3,312 | 3,537
Current liabilities | 1,036 | 1,045
Non-current liabilities | 2,446 | 3,419
Liabilities | 3,312 | 3,537
De-characterization of dam structures located in Brazil |  |
IfrsStatementLineItems [Line Items] |  |
Balance at the beginning | 3,523 | 2,289
Additional provision | 72 | 1,725
Disbursements | (349) | (338)
Present value valuation | (121) | (36)
Translation adjustment | 253 | (117)
Balance at the ending | 3,378 | 3,523
Current liabilities | 357 | 451
Non-current liabilities | 3,021 | 3,072
Liabilities | $ 3,378 | $ 3,523

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