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Provisions for legal proceedings, judicial deposits and contingent liabilities (Details 1) - USD ($)
$ in Millions
6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Notes and other explanatory information [abstract]    
Opening Balance $ 3,010 $ 2,018
Additions, net of reversals 335 396
Use of provision (262) (225)
Revaluation of existing proceedings and interest charges 188 161
Others (5) (5)
Translation adjustment 263 123
Closing Balance $ 3,529 $ 2,468