v3.26.1
RISK MANAGEMENT - Schedule of Foreign Exchange Risk (Details)
€ in Thousands, R$ in Thousands, $ in Thousands
Dec. 31, 2025
BRL (R$)
Dec. 31, 2025
USD ($)
Dec. 31, 2025
EUR (€)
Dec. 31, 2024
BRL (R$)
Dec. 31, 2024
USD ($)
Dec. 31, 2024
EUR (€)
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets R$ 23,637,914     R$ 26,274,943    
Currency risk | Exposure to US$            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 3,427,037     4,093,383    
Liabilities and equity (39,156,408)     (43,491,366)    
Net exposure (35,729,371) $ (6,493,416)   (39,397,983) $ (6,362,415)  
Currency risk | Exposure to US$ | Loans and financing            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities and equity (21,818,077)     (13,720,427)    
Currency risk | Exposure to US$ | Leases            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities and equity (12,583,452)     (21,250,461)    
Currency risk | Exposure to US$ | Convertible debt instruments            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities and equity (397,365)     (1,182,368)    
Currency risk | Exposure to US$ | Accounts payable            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities and equity (2,847,888)     (3,356,243)    
Currency risk | Exposure to US$ | Airport taxes and fees            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities and equity (2,203)     (3,373)    
Currency risk | Exposure to US$ | Provisions            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities and equity (1,507,285)     (3,947,439)    
Currency risk | Exposure to US$ | Other liabilities            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities and equity (138)     (31,055)    
Currency risk | Exposure to US$ | Cash and cash equivalents            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 560,717     76,267    
Currency risk | Exposure to US$ | Long-term investments            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 0     0    
Currency risk | Exposure to US$ | Accounts receivable            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 217,266     687,396    
Currency risk | Exposure to US$ | Deposits            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 2,588,149     3,257,360    
Currency risk | Exposure to US$ | Other assets            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 60,905     72,360    
Currency risk | Exposure to €            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 127,423     1,030,968    
Liabilities and equity (1,600)     (15)    
Net exposure 125,823   € 19,450 1,030,953   € 160,178
Currency risk | Exposure to € | Loans and financing            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities and equity 0     0    
Currency risk | Exposure to € | Leases            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities and equity 0     0    
Currency risk | Exposure to € | Convertible debt instruments            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities and equity 0     0    
Currency risk | Exposure to € | Accounts payable            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities and equity (1,516)     0    
Currency risk | Exposure to € | Airport taxes and fees            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities and equity 0     0    
Currency risk | Exposure to € | Provisions            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities and equity 0     0    
Currency risk | Exposure to € | Other liabilities            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Liabilities and equity (84)     (15)    
Currency risk | Exposure to € | Cash and cash equivalents            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 12,237     6,420    
Currency risk | Exposure to € | Long-term investments            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 0     1,004,505    
Currency risk | Exposure to € | Accounts receivable            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 11,469     2,927    
Currency risk | Exposure to € | Deposits            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets 74,253     11,581    
Currency risk | Exposure to € | Other assets            
Disclosure of nature and extent of risks arising from financial instruments [line items]            
Assets R$ 29,464     R$ 5,535