v3.26.1
PROVISIONS (Tables)
 12 Months Ended
Dec. 31, 2025
Provisions [abstract]  
Schedule of Changes in Taxes, Civil and Labor Provisions Breakdown of provisions
The movements in provisions are presented below:
Description
Return of aircraft and engines (a)
Tax, civil and other risks Post -employment benefitTotal
At December 31, 20232,573,170 557,773 9,910 3,140,853 
Movements503,080 85,889 154 589,123 
Write-offs(77,086)(346,047)— (423,133)
Interest incurred151,153 (75,136)972 76,989 
Effect of plan experience— — (2,811)(2,811)
Foreign currency exchange798,015 — — 798,015 
At December 31, 20243,948,332 222,479 8,225 4,179,036 
Movements(2,134,403)594,898 153 (1,539,352)
Write-offs(39,818)(565,204)(119)(605,141)
Interest incurred181,428 5,003 941 187,372 
Effect of plan experience— — 1,014 1,014 
Foreign currency exchange(448,254)— — (448,254)
At December 31, 20251,507,285 257,176 10,214 1,774,675 
(a)Nominal discount rate 17.9% p.a. (10.8% p.a on December 31, 2024).
Schedule of Estimates of Probable and Possible Losses
The balances of the proceedings with estimates of probable and possible losses are shown below:

Probable lossPossible loss
December 31,December 31,
Description2025202420252024
Tax91,463 78,936 333,551 89,826 
Civil109,868 76,608 331,275 126,818 
Labor55,845 66,935 257,675 194,234 
257,176 222,479 922,501 410,878 
Schedule of Assumptions Used to Calculate Post-Employment Benefits
Below are the assumptions used to calculate post-employment benefits:
December 31,
Weighted average of assumptions
20252024
Nominal discount rate p.a.11.5%11.8  %
Actual discount rate p.a.7.2%7.4  %
Estimated inflation rate in the long term p.a.4.1%4.1  %
HCCTR – Average nominal inflation rate p.a.7.2%7.2  %
HCCTR – Actual nominal inflation rate p.a.3.0%3.0  %
Mortality table
AT-2000 downrated by 10%
AT-2000 downrated by 10%