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EQUITY - Schedule of other sundry reserves (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Apr. 20, 2023
Disclosure Of Share Capital Reserves And Other Equity Interest [Abstract]        
Higher value for TAM S.A. share exchange $ 2,666,202 $ 2,665,692 $ 2,665,692  
Reserve for the adjustment to the value of fixed assets 2,620 2,620 2,620  
Transactions with non-controlling interest (211,582) (211,582) (216,656)  
Adjustment to the fair value of the New Convertible Notes (3,624,871) (3,624,871) (3,610,470)  
Cost of issuing shares and New Convertible Notes 0 0 (810,279) $ (810,279)
Others (1,875) (1,875) (3,558)  
Total (1,169,506) (1,170,016) (1,972,651)  
Other Sundry Reserves [Line Items]        
Gain on haircut to other accounts payable 2,564,707 2,564,707 2,550,306  
Gain on haircut, financial liabilities 420,436 420,436 420,436  
Gain on haircut, right of use assets $ 639,728 639,728 $ 639,728  
Commitment of new funds rate 20.00%      
Aeroviasde Integracion Regional Aires | Lan Pax Group S.A. and Subsidiaries        
Other Sundry Reserves [Line Items]        
Loss due to acquisition on minority interest $ 3,480 $ 20    
TAM SA | Aerolinhas Brasileiras S.A.        
Other Sundry Reserves [Line Items]        
Loss due to acquisition on minority interest 885      
Inversiones Lan S.A. | Aires Integra Regional Airlines S.A.        
Other Sundry Reserves [Line Items]        
Loss due to acquisition on minority interest 2      
Aerolane S.A. by Lan Pax Group S.A. | Holdco I S.A        
Other Sundry Reserves [Line Items]        
Loss due to acquisition on minority interest 21,526      
Multiplus S.A.        
Other Sundry Reserves [Line Items]        
Loss due to acquisition on minority interest (184,135)      
LATAM Airlines Perú S.A. | LATAM Airlines Group S.A.        
Other Sundry Reserves [Line Items]        
Loss due to acquisition on minority interest (3,225)      
LAN Argentina S.A. and Inversora Cordillera | Transportes Aéreos del Mercosur S.A.        
Other Sundry Reserves [Line Items]        
Loss due to acquisition on minority interest 3,383      
Aerovías de Integración Regional S.A.        
Other Sundry Reserves [Line Items]        
Loss due to acquisition on minority interest (23)      
Share premium $ 5,097