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Cash and Cash Equivalents (Tables)
12 Months Ended
Dec. 31, 2024
Notes and other explanatory information [abstract]  
Schedule of cash and cash equivalents
12.31.202412.31.2023
Cash and bank accounts174,798 223,298 
Financial investments with immediate liquidity3,987,141 5,411,325 
4,161,939 5,634,623