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Provisions for legal proceedings, judicial deposits and contingent liabilities (Details 3) - USD ($)
$ in Millions
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Notes and other explanatory information [abstract]    
Opening Balance $ 14,746 $ 11,053
Additions 1,010 1,735
Use (1,526) (148)
Accruals and charges 737 1,167
Others 9 (7)
Cumulative translation adjustment (3,228) 946
Closing Balance $ 11,748 $ 14,746