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Disposition of OCEN and Radiopolis, and Transaction with UH II - Ocen (Details) - MXN ($)
$ in Thousands
1 Months Ended 12 Months Ended
Dec. 06, 2021
Sep. 13, 2021
Jan. 01, 2020
Jul. 31, 2019
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Disclosure of associates [line items]              
Accounts receivable         $ 13,093,011 $ 12,343,797  
Pretax income         14,100,563 5,530,724 $ 8,775,258
OCEN and subsidiaries              
Disclosure of associates [line items]              
Ownership (as a percent) 40.00% 40.00%   40.00%      
Cash consideration received for the disposal of assets and liabilities       $ 5,206,000 4,806,549    
Share of income in OCEN for 2019     $ 147,975   $ 147,975 $ 147,975  
Retaining percentage to cover losses         7.00%    
Accounts receivable         $ 364,420    
Pretax income         $ 4,547,029