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Business combinations, acquisitions and non-controlling interest (Tables)
12 Months Ended
Dec. 31, 2021
Disclosure of detailed information about business combination [line items]  
Summary of Selected Financial Data From Consolidated Statements of Financial Position
Selected financial data from the consolidated statements of financial position
 
    
December 31,
 
     2020     
2021
 
Assets:
                 
Current assets
   Ps
.
32,775,046     
Ps.
39,781,192
 
Non-current assets
     150,747,947     
 
142,407,870
 
    
 
 
    
 
 
 
Total assets
  
Ps.
183,522,993     
Ps.
182,189,062
 
    
 
 
    
 
 
 
Liabilities and equity:
                 
Current liabilities
   Ps. 49,942,415     
Ps.
68,795,807
 
Non-current liabilities
     82,293,652     
 
58,312,238
 
    
 
 
    
 
 
 
Total liabilities
     132,236,067     
 
127,108,045
 
Equity attributable to equity holders of the parent
     26,129,649     
 
28,066,198
 
Non-controlling interest
     25,157,277     
 
27,014,819
 
    
 
 
    
 
 
 
Total equity
   Ps. 51,286,926     
Ps.
55,081,017
 
    
 
 
    
 
 
 
Total liabilities and equity
  
Ps.

183,522,993     
Ps.
182,189,062
 
    
 
 
    
 
 
 
Summary of Consolidated Statements of Comprehensive Income
Summarized consolidated statements of comprehensive income
 
    
For the year ended December 31,
 
     2019      2020     
2021
 
Operating revenues
   Ps. 98,420,289      Ps. 111,472,191     
Ps.
113,838,487
 
Operating costs and expenses
     89,732,428        98,312,325     
 
98,346,896
 
    
 
 
    
 
 
    
 
 
 
Operating income
   Ps. 8,687,861      Ps. 13,159,866     
Ps.
15,491,591
 
    
 
 
    
 
 
    
 
 
 
Net income
  
Ps.
5,051,145      Ps. 7,787,388     
Ps.
9,104,962
 
    
 
 
    
 
 
    
 
 
 
Total comprehensive income
  
Ps.
1,466,783      Ps. 12,103,406     
Ps.
7,790,499
 
    
 
 
    
 
 
    
 
 
 
Net income attributable to:
                          
Equity holders of the parent
   Ps. 2,565,733      Ps. 3,986,412     
Ps.
4,629,816
 
Non-controlling interest
     2,485,412        3,800,976     
 
4,475,146
 
    
 
 
    
 
 
    
 
 
 
     Ps. 5,051,145      Ps. 7,787,388     
Ps.
9,104,962
 
    
 
 
    
 
 
    
 
 
 
Comprehensive income attributable to:
                          
Equity holders of the parent
   Ps. 748,059      Ps. 6,172,737     
Ps.
3,973,154
 
Non-controlling interest
     718,724        5,930,669     
 
3,817,345
 
    
 
 
    
 
 
    
 
 
 
     Ps. 1,466,783      Ps. 12,103,406     
Ps.
7,790,499