XML 98 R90.htm IDEA: XBRL DOCUMENT v3.23.3
Taxes (Details Narrative) - USD ($)
$ in Millions
4 Months Ended 48 Months Ended
Jul. 31, 2023
Dec. 31, 2022
Notes and other explanatory information [abstract]    
Uncertain tax treatments $ 490 $ 817
Tax authority charges   $ 327