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Provisions for legal proceedings, judicial deposits and contingent liabilities (Details 2) - USD ($)
$ in Millions
Jun. 30, 2023
Dec. 31, 2022
Jun. 30, 2022
Dec. 31, 2021
Notes and other explanatory information [abstract]        
Tax $ 9,450 $ 7,876    
Labor 986 907    
Civil 2,715 2,089    
Environmental 114 109    
Others 70 72    
Total $ 13,335 $ 11,053 $ 9,716 $ 8,038