XML 93 R57.htm IDEA: XBRL DOCUMENT v3.19.1
Basis of Preparation of the Consolidated Financial Statements and Summary of Significant Accounting Policies and Practices - Schedule of Impact in Consolidated Financial Statements upon Application of Hyperinflation (Detail)
$ in Thousands, $ in Millions
 12 Months Ended
Dec. 31, 2018
MXN ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2017
MXN ($)
Dec. 31, 2016
MXN ($)
Dec. 31, 2018
USD ($)
Dec. 31, 2015
MXN ($)
Disclosure of corporate information [Line Items]            
Operating revenues $ 1,038,207,681 $ 52,747 $ 1,021,633,535 $ 975,412,488    
Gain on net monetary positions 4,429,145 225        
Income tax (46,477,079) (2,361) (24,941,511) (11,398,856)    
Operating income 139,557,171 $ 7,090 100,143,303 109,610,310    
Current assets 349,055,524   342,235,218   $ 17,734  
Total liabilities 1,183,350,970   1,225,578,335 1,244,018,507 60,121  
Total equity 245,872,422   $ 260,633,517 $ 271,023,767 $ 12,492 $ 160,854,186
Argentina [member] | Impact of application of hyperinflation adjustments in 2018 [member]            
Disclosure of corporate information [Line Items]            
Operating revenues 6,286,140          
Operating loss (1,423,252)          
Financial loss (1,289,317)          
Gain on net monetary positions 4,429,145          
Income tax (770,928)          
Operating income 945,647          
Current assets 1,866,674          
Non-current assets 19,796,073          
Total liabilities 4,890,166          
Total equity $ 16,772,581