v3.26.1
SALES REVENUE (Details) - BRL (R$)
R$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers R$ 21,783,874 R$ 19,631,988 R$ 18,717,018
Taxes levied (143,481) (105,780) (162,593)
Total revenue 21,640,393 19,526,208 18,554,425
Domestic revenue      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Total revenue 17,157,785 16,084,172 14,675,974
Foreign revenue      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Total revenue 4,482,608 3,442,036 3,878,451
Passenger revenue      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers 20,000,963 18,125,685 17,229,732
Taxes levied (3,237) (2,550) (2,004)
Other revenues      
Disclosure of disaggregation of revenue from contracts with customers [line items]      
Revenue from contracts with customers 1,782,911 1,506,303 1,487,286
Taxes levied R$ (140,244) R$ (103,230) R$ (160,589)