v3.26.1
Basis of presentation and accounting policies - Additional Information (Details)
$ / shares in Units, shares in Millions
 12 Months Ended
Dec. 31, 2025
USD ($)
item
$ / shares
shares
Dec. 31, 2024
USD ($)
$ / shares
Dec. 31, 2023
USD ($)
$ / shares
Basis of presentation and accounting policies      
Recognized a translation income/(loss) $ (78,400,000) $ 466,200,000 $ (281,700,000)
Number of airports | item 52    
Share capital $ 165,219,000 $ 163,223,000 $ 163,223,000
Authorized capital $ 225,000,000    
Shares authorized | shares 225    
Par value per share | $ / shares $ 1 $ 1 $ 1
Price index $ 10,121.37 $ 7,694.01 $ 3,533.19
Conversion factor derived from indexes $ 1.32 $ 2.18 $ 3.11
Period of accumulated price index variation 36 months 36 months 36 months
Percentage price index variation has exceeded 100.00% 100.00% 100.00%
Maximum      
Basis of presentation and accounting policies      
Percentage of voting rights 50.00%    
Minimum      
Basis of presentation and accounting policies      
Percentage of voting rights 20.00%    
Aeropuertos Argentina 2000 S.A.      
Basis of presentation and accounting policies      
Percentage of direct interest of Cedicor S.A. in AA2000, acquired by Cedicor S.A. in 2011 9.35%    
Number of airports | item 35    
Corporacin Amrica Italia S.p.A.      
Basis of presentation and accounting policies      
Percentage of majority stake owned 62.28%