XML 57 R90.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Information by Segment - Summary of Segment Disclosure for Company's Consolidated Operations (Parenthetical) (Detail)
$ in Millions, $ in Millions
 9 Months Ended
Sep. 30, 2019
USD ($)
Sep. 30, 2019
MXN ($)
Sep. 30, 2018
MXN ($)
Sep. 30, 2019
MXN ($)
Dec. 31, 2018
MXN ($)
Disclosure of operating segments [line items]          
Revenue $ 7,218 $ 142,504 $ 130,577    
Total assets 13,307   263,787 $ 262,700 $ 263,787
Total liabilities $ 6,737   132,037 132,999 132,037
Mexico and central America segment [member]          
Disclosure of operating segments [line items]          
Total assets     147,748 150,026  
Total liabilities     96,525 (99,208)  
South America segment [member]          
Disclosure of operating segments [line items]          
Total assets     116,039 112,674  
Total liabilities     35,512 (33,791)  
Mexico [member] | Mexico and central America segment [member]          
Disclosure of operating segments [line items]          
Revenue   68,750 63,430    
Total assets       134,802 130,865
Total liabilities       111,991 92,340
Brazil [member] | South America segment [member]          
Disclosure of operating segments [line items]          
Revenue   39,090 43,586    
Total assets       80,657 86,007
Total liabilities       24,252 26,851
Colombia [member] | South America segment [member]          
Disclosure of operating segments [line items]          
Revenue   9,888 10,790    
Total assets       18,536 17,626
Total liabilities       4,264 4,061
Argentina [member] | South America segment [member]          
Disclosure of operating segments [line items]          
Revenue   5,172 $ 4,619    
Total assets       4,274 6,021
Total liabilities       1,519 2,059
Uruguay | South America segment [member]          
Disclosure of operating segments [line items]          
Revenue   $ 2,415      
Total assets       5,935 6,385
Total liabilities       $ 2,387 $ 2,541