XML 160 R114.htm IDEA: XBRL DOCUMENT v3.19.1
Financial Instruments - Summary of Consolidated Debt by Type of Instrument (Detail)
$ in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2018
MXN ($)
Dec. 31, 2017
MXN ($)
Dec. 31, 2018
USD ($)
Disclosure of detailed information about financial instruments [line items]      
Current maturities $ 129 $ 15,685  
Short-term debt 883 16,973  
Long- term 182,074 177,022 $ 9,339
Bank loans [member]      
Disclosure of detailed information about financial instruments [line items]      
Short- term 614 910  
Long- term 68,896 55,571  
Bank loans [member] | Loans in Foreign Countries [member]      
Disclosure of detailed information about financial instruments [line items]      
Short- term 614 910  
Long- term 6,436 5,439  
Bank loans [member] | Syndicated loans [member]      
Disclosure of detailed information about financial instruments [line items]      
Short- term 0 0  
Long- term 62,460 50,132  
Notes payable [member]      
Disclosure of detailed information about financial instruments [line items]      
Short- term 140 378  
Long- term 113,307 137,136  
Notes payable [member] | Medium term notes [member]      
Disclosure of detailed information about financial instruments [line items]      
Short- term 0 224  
Long- term 110,157 133,949  
Notes payable [member] | Other Notes Payable [member]      
Disclosure of detailed information about financial instruments [line items]      
Short- term 140 154  
Long- term 3,150 3,187  
Total bank loans and notes payables [member]      
Disclosure of detailed information about financial instruments [line items]      
Short- term 754 1,288  
Long- term $ 182,203 $ 192,707  
Bottom of range [member] | Bank loans [member] | Loans in Foreign Countries [member]      
Disclosure of detailed information about financial instruments [line items]      
Debt instrument maturity period 2019 2018  
Bottom of range [member] | Bank loans [member] | Syndicated loans [member]      
Disclosure of detailed information about financial instruments [line items]      
Debt instrument maturity period 2020 2018  
Bottom of range [member] | Notes payable [member] | Medium term notes [member]      
Disclosure of detailed information about financial instruments [line items]      
Debt instrument maturity period 2023 2018  
Bottom of range [member] | Notes payable [member] | Other Notes Payable [member]      
Disclosure of detailed information about financial instruments [line items]      
Debt instrument maturity period 2019 2018  
Top of range [member] | Bank loans [member] | Loans in Foreign Countries [member]      
Disclosure of detailed information about financial instruments [line items]      
Debt instrument maturity period 2024 2022  
Top of range [member] | Bank loans [member] | Syndicated loans [member]      
Disclosure of detailed information about financial instruments [line items]      
Debt instrument maturity period 2022 2022  
Top of range [member] | Notes payable [member] | Medium term notes [member]      
Disclosure of detailed information about financial instruments [line items]      
Debt instrument maturity period 2026 2026  
Top of range [member] | Notes payable [member] | Other Notes Payable [member]      
Disclosure of detailed information about financial instruments [line items]      
Debt instrument maturity period 2025 2025