v3.26.1
PROPERTY AND EQUIPMENT - Schedule of Property, Plant and Equipment (Details)
R$ in Thousands
 6 Months Ended
Jun. 30, 2026
BRL (R$)
Changes in property, plant and equipment [abstract]  
Balance, beginning of period R$ 2,772,299
Balance, end of period 2,448,066
Property and equipment  
Changes in property, plant and equipment [abstract]  
Balance, beginning of period 2,772,299
Additions 141,095
Write-offs (435,976)
Transfers (29,352)
Balance, end of period 2,448,066
Property and equipment | Cost  
Changes in property, plant and equipment [abstract]  
Balance, beginning of period 4,511,639
Additions 287,908
Write-offs (472,549)
Transfers (29,352)
Balance, end of period 4,297,646
Property and equipment | Cost | Aircraft parts and equipment  
Changes in property, plant and equipment [abstract]  
Balance, beginning of period 2,452,342
Additions 123,328
Write-offs (19,270)
Transfers 0
Balance, end of period 2,556,400
Property and equipment | Cost | Non‑aircraft equipment  
Changes in property, plant and equipment [abstract]  
Balance, beginning of period 107,196
Additions 6,344
Write-offs 0
Transfers 0
Balance, end of period 113,540
Property and equipment | Cost | Aircraft, engines and simulators  
Changes in property, plant and equipment [abstract]  
Balance, beginning of period 301,734
Additions 60,243
Write-offs (57,821)
Transfers 0
Balance, end of period 304,156
Property and equipment | Cost | Improvements  
Changes in property, plant and equipment [abstract]  
Balance, beginning of period 650,405
Additions 9,732
Write-offs (63,704)
Transfers 0
Balance, end of period 596,433
Property and equipment | Cost | Maintenance  
Changes in property, plant and equipment [abstract]  
Balance, beginning of period 32,982
Additions 36,177
Write-offs 0
Transfers 0
Balance, end of period 69,159
Property and equipment | Cost | Others  
Changes in property, plant and equipment [abstract]  
Balance, beginning of period 29,085
Additions 50
Write-offs 0
Transfers 0
Balance, end of period 29,135
Property and equipment | Cost | Construction in progress  
Changes in property, plant and equipment [abstract]  
Balance, beginning of period 52,707
Additions 12,748
Write-offs 0
Transfers 0
Balance, end of period 65,455
Property and equipment | Cost | Advance payments for acquisition of aircraft  
Changes in property, plant and equipment [abstract]  
Balance, beginning of period 885,188
Additions 39,286
Write-offs (331,754)
Transfers (29,352)
Balance, end of period 563,368
Property and equipment | Depreciation  
Changes in property, plant and equipment [abstract]  
Balance, beginning of period (1,739,340)
Additions (146,813)
Write-offs 36,573
Transfers 0
Balance, end of period (1,849,580)
Property and equipment | Depreciation | Aircraft parts and equipment  
Changes in property, plant and equipment [abstract]  
Balance, beginning of period (1,168,239)
Additions (100,899)
Write-offs 11,293
Transfers 0
Balance, end of period (1,257,845)
Property and equipment | Depreciation | Non‑aircraft equipment  
Changes in property, plant and equipment [abstract]  
Balance, beginning of period (73,883)
Additions (5,521)
Write-offs 0
Transfers 0
Balance, end of period (79,404)
Property and equipment | Depreciation | Aircraft, engines and simulators  
Changes in property, plant and equipment [abstract]  
Balance, beginning of period (199,054)
Additions (10,846)
Write-offs 2,931
Transfers 0
Balance, end of period (206,969)
Property and equipment | Depreciation | Improvements  
Changes in property, plant and equipment [abstract]  
Balance, beginning of period (251,924)
Additions (26,019)
Write-offs 22,349
Transfers 0
Balance, end of period (255,594)
Property and equipment | Depreciation | Maintenance  
Changes in property, plant and equipment [abstract]  
Balance, beginning of period (21,978)
Additions (2,782)
Write-offs 0
Transfers 0
Balance, end of period (24,760)
Property and equipment | Depreciation | Others  
Changes in property, plant and equipment [abstract]  
Balance, beginning of period (24,262)
Additions (746)
Write-offs 0
Transfers 0
Balance, end of period R$ (25,008)
Property and equipment | Depreciation | Weighted average rate (p.a.) | Aircraft parts and equipment  
Disclosure of detailed information about property and equipment [line items]  
Weighted average rate (p.a.) 8.00%
Property and equipment | Depreciation | Weighted average rate (p.a.) | Non‑aircraft equipment  
Disclosure of detailed information about property and equipment [line items]  
Weighted average rate (p.a.) 10.00%
Property and equipment | Depreciation | Weighted average rate (p.a.) | Aircraft, engines and simulators  
Disclosure of detailed information about property and equipment [line items]  
Weighted average rate (p.a.) 7.00%
Property and equipment | Depreciation | Weighted average rate (p.a.) | Improvements  
Disclosure of detailed information about property and equipment [line items]  
Weighted average rate (p.a.) 8.00%
Property and equipment | Depreciation | Weighted average rate (p.a.) | Maintenance  
Disclosure of detailed information about property and equipment [line items]  
Weighted average rate (p.a.) 17.00%
Property and equipment | Depreciation | Weighted average rate (p.a.) | Others  
Disclosure of detailed information about property and equipment [line items]  
Weighted average rate (p.a.) 5.00%