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Intangible assets, airport concessions and goodwill - Net: - Additional information (Details)
$ in Thousands, $ in Millions
 12 Months Ended
Jan. 01, 2024
May 15, 2008
Dec. 31, 2024
MXN ($)
Dec. 31, 2024
USD ($)
Dec. 31, 2023
MXN ($)
Dec. 31, 2022
MXN ($)
Dec. 31, 2021
Disclosure by geographical areas:              
Amortisation expense     $ 2,250,734   $ 2,008,470 $ 1,945,184  
Explanation of value assigned to key assumption     For the year 2024, to the discount rate by +1% or -1% in each CGU, cash flow projections would have generated an effect of an excess of Ps.960,467 and Ps.3,672,561 in Aerostar, respectively, and an excess of Ps.210,515 and Ps.347,469 in Airplan, respectively. For the year 2024, to the discount rate by +1% or -1% in each CGU, cash flow projections would have generated an effect of an excess of Ps.960,467 and Ps.3,672,561 in Aerostar, respectively, and an excess of Ps.210,515 and Ps.347,469 in Airplan, respectively. For the year 2023, to the discount rate by +1% or -1% in each CGU, cash flow projections would have generated an effect of recognizing an excess of Ps.302,677 and of Ps.4,202,232, in Aerostar, respectively, and an excess of Ps.374,916 and Ps.546,230 in Airplan, respectively.    
Impairment testing on all CGUs considering the entire value of intangible assets, airport concessions and goodwill     $ 2,623,663   $ 2,149,185    
Original concession period for operating rights   25 years 50 years 50 years      
Airplan              
Disclosure by geographical areas:              
Original concession period for operating rights   15 years 25 years 25 years      
Minimum | Airplan              
Disclosure by geographical areas:              
Original concession period for operating rights     15 years 15 years      
CGU Aerostar              
Disclosure by geographical areas:              
Explanation of period over which management has projected cash flows     28 years 28 years 29 years    
Cash payments       $ 2.5      
CGU Aerostar | Positive              
Disclosure by geographical areas:              
Amount in excess of cash flow projections     $ 302,677        
CGU Aerostar | Negative              
Disclosure by geographical areas:              
Amount in excess of cash flow projections     $ 4,202,232   $ 960,467    
CGU Airplan              
Disclosure by geographical areas:              
Explanation of period over which management has projected cash flows     8 years 8 years 9 years    
CGU Airplan | Positive              
Disclosure by geographical areas:              
Amount in excess of cash flow projections     $ 374,916   $ 210,515    
CGU Airplan | Negative              
Disclosure by geographical areas:              
Amount in excess of cash flow projections     546,230   347,469    
Licences              
Disclosure by geographical areas:              
Amortisation expense     62,095   54,259 49,715  
Colombia (Airplan)              
Disclosure by geographical areas:              
Amortization commercial rights     $ 106,282   $ 86,509 $ 99,560  
Percent of obligation to pay consideration on gross income     19.00% 19.00% 19.00% 19.00% 19.00%
Colombia (Airplan) | Licences              
Disclosure by geographical areas:              
Amortisation expense     $ 311,576   $ 281,976 $ 315,842  
Puerto Rico (Aerostar)              
Disclosure by geographical areas:              
Amortisation expense     480,006   444,925 489,041  
Amortization commercial rights     $ 189,547   $ 154,282 $ 177,558  
Percent of obligation to pay consideration on gross income     5.00% 5.00% 5.00% 5.00%  
Mexico              
Disclosure by geographical areas:              
Amortisation expense     $ 1,101,228   $ 986,520 $ 863,183  
Percent of obligation to pay consideration on gross income 9.00%       5.00% 5.00%