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Activities of the Company and significant events - Additional Information (Detail)
$ / shares in Units, $ in Thousands, $ in Millions
 12 Months Ended
Nov. 20, 2019
MXN ($)
$ / shares
Aug. 29, 2019
MXN ($)
$ / shares
May 17, 2019
MXN ($)
Apr. 23, 2019
$ / shares
Mar. 29, 2019
MXN ($)
Nov. 20, 2018
MXN ($)
$ / shares
Oct. 10, 2018
USD ($)
Aug. 21, 2018
MXN ($)
$ / shares
May 11, 2018
MXN ($)
Apr. 25, 2018
$ / shares
Nov. 16, 2017
MXN ($)
$ / shares
Aug. 14, 2017
MXN ($)
$ / shares
May 08, 2017
MXN ($)
Apr. 25, 2017
$ / shares
Sep. 30, 2015
Dec. 31, 2019
MXN ($)
Facility
Airport
Dec. 31, 2018
MXN ($)
Dec. 31, 2017
MXN ($)
Dec. 31, 2019
USD ($)
Facility
Dec. 31, 2016
MXN ($)
Dec. 31, 2015
Apr. 20, 2015
USD ($)
Feb. 24, 2006
Disclosure of detailed information about service concession arrangements [Line Items]                                              
Number of facility | Facility                               12     12        
Description of the agreement                               In June 1998, the subsidiaries of Grupo Aeroportuario del Pacífico, S.A.B. de C.V. were granted concessions by the Ministry of Communications and Transportation (SCT) to manage, operate and develop each of the Pacific Group’s 12 airports and benefit from the use of the airport facilities, for a 50-year term beginning November 1, 1998 (The Concession or Concessions). The cost of the concessions, which totaled Ps.15,938,359, was determined by the Mexican Government in August 1999, based upon the price paid by Aeropuertos Mexicanos del Pacífico, S.A.P.I. de C.V. (AMP, the strategic shareholder of the Company) for its interests in GAP.              
Cost of the concessions                               $ 15,938,359       $ 15,938,359      
Description on concessions agreement term                               On August 20, 1999, GAP entered into a Liabilities Assumption Agreement with each of its subsidiaries, whereby it assumed the liabilities incurred by each subsidiary derived from obtaining the concession. Such liabilities were capitalized by GAP as equity in favor of the Mexican Government on the same date              
Concession agreement term                               The term of the concession is 50 years as of November 1, 1998 and may be extended by the SCT on one or more occasions for up to 50 additional years under certain circumstances.              
Description of the agreement                               Beginning on November 1, 1998, the Company is required to pay an annual tax to the Mexican Government, through the SCT, for use of the public property, equivalent to 5% of each concessionaire’s annual gross revenues, according to the concession terms and the Mexican Federal Duties Law              
Percentage of common stock voting                                         100.00%   85.00%
Participation percentage in stock exchanges                                             100.00%
Long-term debt securities         $ 30,000                                    
Unsecured loan         $ 3,000,000                           $ 191.0        
Description of derivative instruments variable interest rate basis         Interest will be payable every 28 days at a variable rate of TIIE-28 plus 45 basis points                                    
Debt securities,basis points         45.00%                                    
Debt securities, Maturity date         Mar. 22, 2024                                    
Dividend payment per share | $ / shares $ 4.21 $ 4.21   $ 8.42   $ 3.81   $ 3.81   $ 7.62 $ 2.86 $ 2.86   $ 5.72                  
Dividend payment $ 2,212,673 $ 2,212,673       $ 2,002,443   $ 2,002,443     $ 1,503,146 $ 1,503,146       $ 4,425,346              
Capital reduction per share | $ / shares       $ 3.03           $ 2.38       $ 3.33                  
Capital reduction     $ 1,592,494           $ 1,250,870       $ 1,750,167     $ 1,592,494 $ 1,250,870 $ 1,750,167          
NMIA [Member]                                              
Disclosure of detailed information about service concession arrangements [Line Items]                                              
Concession agreement period             25 years                 25 years              
Concession agreement possible extension period             5 years                                
Concession agreement latest commence date             Oct. 10, 2019                                
Concession agreement payable during the following 12 months             $ 7.1                                
NMIA [Member] | IFC [Member]                                              
Disclosure of detailed information about service concession arrangements [Line Items]                                              
Concession agreement payable during the following 12 months             2.1                                
NMIA [Member] | AAJ [Member]                                              
Disclosure of detailed information about service concession arrangements [Line Items]                                              
Concession agreement payable during the following 12 months             $ 5.0                                
Percentage of total aeronautical and commercial revenues obliged to pay as concession right             62.01%                                
SCL Terminal Aereo Santiago [Member] | Spain [Member]                                              
Disclosure of detailed information about service concession arrangements [Line Items]                                              
Percentage of stake by the company                             14.77%                
Abertis [Member]                                              
Disclosure of detailed information about service concession arrangements [Line Items]                                              
Ownership percentage                                           100.00%  
Transaction cost                                           $ 192.0  
MBJA [Member]                                              
Disclosure of detailed information about service concession arrangements [Line Items]                                              
Concession agreement term                               MBJA holds the concession to operate, maintain and utilize the airport for a period of 30 years, beginning April 2, 2003.              
Percentage of stake by the company                               74.50%              
Percentage of stake by non controlling owners                               25.50%              
Mexican concessions [Member]                                              
Disclosure of detailed information about service concession arrangements [Line Items]                                              
Cost of the concessions                               $ 15,938,359              
Number of operate and develop airports | Airport                               12              
Benefit from use of airport facilities term                               50 years              
Percentage of tax to be paid                               5.00%   5.00%