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Operating segments (Tables)
12 Months Ended
Dec. 31, 2024
Notes and other explanatory information [abstract]  
Schedule of operating segments
         
   2024  2023  2022
Operating revenues:                  
Domestic (Mexico)  US$ 1,956,549   US$ 2,060,744   US$ 1,909,744 
International:                  
United States of America    965,684     931,184     758,609 
Central America and South America    219,643     267,045     178,837 
Total operating revenues  US$ 3,141,876   US$ 3,258,973   US$ 2,847,190