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Commitments and contingencies (Tables)
12 Months Ended
Dec. 31, 2024
Notes and other explanatory information [abstract]  
Schedule of commitment expenditures
   
   Commitment expenditures in thousands of U.S. dollars
2025  US$ 39,460 
2026    472,619 
2027    593,684 
2028    1,137,129 
2029 and thereafter    4,290,736 
Total committed expenditures   US$ 6,533,628 
Schedule of aircraft sale prices estimated
   
   Aircraft sale prices estimated in thousands of U.S. dollars
2025  US$ 767,500 
2026    112,500 
   US$ 880,000 
Schedule of future lease payments for non-cancellable sale and leaseback contracts
   
   Aircraft leases in thousands of U.S. dollars
2025  US$ 25,096 
2026    56,634 
2027    59,140 
2028    59,140 
2029 and thereafter    509,673 
   US$ 709,683