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Financial instruments and risk management - Interest rate risk (Details)
12 Months Ended
Nov. 03, 2021
Dec. 31, 2021
MXN ($)
item
Dec. 31, 2020
MXN ($)
Dec. 31, 2019
MXN ($)
Interest rate risk        
Derivative financial liabilities     $ 9,657,000  
Loss on cash flow hedges   $ 14,020,000 1,306,557,000 $ 67,629,000
Spread on interest rate basis   0.25%    
Interest rate Cap        
Interest rate risk        
Spread on interest rate basis   125.00%    
CEBUR (VOLARCB19) [Member]        
Interest rate risk        
Decrease in caplets due to increase in interest hedging instruments   $ (30,860) (280)  
Increase in caplets due to decrease in interest hedging instruments   $ 30,860 $ 280  
CEBUR (VOLARCB19) [Member] | Fair value | Denominated in Mexican pesos        
Interest rate risk        
Increase in rate   0.01% 0.01%  
Decrease in rate   (0.01%) (0.01%)  
CEBUR (VOLARCB21L) [Member]        
Interest rate risk        
Number of caplets 59      
Increase in rate   0.01%    
Decrease in rate   (0.01%)    
Decrease in caplets due to increase in interest hedging instruments   $ (165,440)    
Increase in caplets due to decrease in interest hedging instruments   $ 165,440    
CEBUR (VOLARCB21L) [Member] | Interest rate Cap        
Interest rate risk        
Notional amount (in USD)   3,000,000,000.0 1,500,000,000  
Derivative financial liabilities   $ 28,771,000 $ 326,000  
28-day TIIE.        
Interest rate risk        
Spread on interest rate basis   2.40%   3.00%
Number of caplets | item   59    
28-day TIIE. | Maximum        
Interest rate risk        
Spread on interest rate basis   10.00%