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Taxes (Details 2) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2023
Jun. 30, 2022
Notes and other explanatory information [abstract]    
Opening balance $ (5,918) $ (625)
Recognized in the statement of income for the period 1,485 1,989
Recognized in shareholders’ equity (2,380) (2,571)
Translation adjustment (671) (29)
Use of tax loss carryforwards 1,137
Others 25 4
Closing balance $ (10,429) $ (6,347)