v3.26.1
RISK MANAGEMENT - Schedule of Foreign Exchange Risk (Details)
€ in Thousands, R$ in Thousands, $ in Thousands
Jun. 30, 2026
BRL (R$)
Jun. 30, 2026
USD ($)
Jun. 30, 2026
EUR (€)
Dec. 31, 2025
BRL (R$)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
EUR (€)
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets R$ 30,784,892     R$ 23,637,914    
Currency risk | Exposure to US$            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 3,586,343     3,427,037    
Liabilities (22,444,794)     (39,156,408)    
Net exposure (18,858,451) $ (3,643,019)   (35,729,371) $ (6,493,416)  
Currency risk | Exposure to US$ | Loans and financing            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities (8,617,075)     (21,818,077)    
Currency risk | Exposure to US$ | Leases            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities (11,404,509)     (12,583,452)    
Currency risk | Exposure to US$ | Convertible debt instruments            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities 0     (397,365)    
Currency risk | Exposure to US$ | Accounts payable            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities (911,166)     (2,847,888)    
Currency risk | Exposure to US$ | Airport taxes and fees            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities 0     (2,203)    
Currency risk | Exposure to US$ | Provisions            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities (1,493,136)     (1,507,285)    
Currency risk | Exposure to US$ | Other liabilities            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities (18,908)     (138)    
Currency risk | Exposure to US$ | Cash and cash equivalents            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 743,419     560,717    
Currency risk | Exposure to US$ | Accounts receivable            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 109,577     217,266    
Currency risk | Exposure to US$ | Deposits            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 2,537,947     2,588,149    
Currency risk | Exposure to US$ | Other assets            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 195,400     60,905    
Currency risk | Exposure to €            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 61,882     127,423    
Liabilities (1,075)     (1,600)    
Net exposure 60,807   € 10,288 125,823   € 19,450
Currency risk | Exposure to € | Loans and financing            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities 0     0    
Currency risk | Exposure to € | Leases            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities 0     0    
Currency risk | Exposure to € | Convertible debt instruments            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities 0     0    
Currency risk | Exposure to € | Accounts payable            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities (995)     (1,516)    
Currency risk | Exposure to € | Airport taxes and fees            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities 0     0    
Currency risk | Exposure to € | Provisions            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities 0     0    
Currency risk | Exposure to € | Other liabilities            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities (81)     (84)    
Currency risk | Exposure to € | Cash and cash equivalents            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 13,541     12,237    
Currency risk | Exposure to € | Accounts receivable            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 1,773     11,469    
Currency risk | Exposure to € | Deposits            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 21,448     74,253    
Currency risk | Exposure to € | Other assets            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets R$ 25,121     R$ 29,464