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Provisions for legal proceedings, judicial deposits and contingent liabilities (Details 3) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Notes and other explanatory information [abstract]    
Opening Balance $ 11,053 $ 8,038
Additions 783 861
Use (48) (45)
Accruals and charges 571 386
Others (6) (9)
Translation adjustment 982 485
Closing Balance $ 13,335 $ 9,716