XML 165 R123.htm IDEA: XBRL DOCUMENT v3.8.0.1
Financial Instruments - Additional Information - Other Financial Obligations (Detail)
$ / shares in Units, $ / shares in Units, shares in Millions
 1 Months Ended 12 Months Ended
Jun. 19, 2017
MXN ($)
Mar. 30, 2017
MXN ($)
Mar. 31, 2016
MXN ($)
Mar. 26, 2015
MXN ($)
Mar. 31, 2015
USD ($)
Oct. 31, 2014
USD ($)
Dec. 31, 2017
MXN ($)
shares
Dec. 31, 2016
MXN ($)
Dec. 31, 2015
MXN ($)
Dec. 31, 2009
USD ($)
$ / shares
Dec. 31, 2017
$ / shares
Jun. 19, 2017
USD ($)
shares
Jun. 19, 2017
MXN ($)
shares
Dec. 31, 2016
USD ($)
$ / shares
Dec. 31, 2016
MXN ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2015
MXN ($)
May 31, 2015
USD ($)
Mar. 13, 2015
USD ($)
Mar. 15, 2011
USD ($)
Dec. 31, 2009
MXN ($)
$ / shares
Disclosure of detailed information about financial instruments [line items]                                          
Loss on exchange difference             $ (26,000,000) $ 5,004,000,000 $ 1,970,000,000                        
Increase common stock value   $ 5,000,000 $ 4,000,000 $ 4,000,000                                  
Additional paid-in capital   $ 9,459,000,000 $ 6,966,000,000 $ 7,613,000,000     $ 140,483,000,000               $ 123,174,000,000            
Convertible Subordinated Notes Due 2020 [Member]                                          
Disclosure of detailed information about financial instruments [line items]                                          
Debt principal amount           $ 200,000,000                              
Debt interest percentage                               3.72% 3.72%        
Additional ADS issued | shares             42                            
Loss on exchange difference                 $ 365,000,000                        
Conversion price | $ / shares                     $ 11.01     $ 11.45              
Conversion rate per dollars             90.8592             87.3646 87.3646            
Convertible Subordinated Notes Due 2020 [Member] | Contingent Convertible Units [Member]                                          
Disclosure of detailed information about financial instruments [line items]                                          
Debt principal amount                                     $ 200,000,000    
Convertible Subordinated Notes Due 2016 [Member]                                          
Disclosure of detailed information about financial instruments [line items]                                          
Debt principal amount                           $ 352,000,000           $ 978,000,000  
Debt interest percentage                                   3.25%      
Debt instrument maturity date             2016-03 2016-03                          
Nominal value of debt settled                                   $ 626,000,000      
Convertible subordinated notes due 2015 [member]                                          
Disclosure of detailed information about financial instruments [line items]                                          
Debt principal amount           $ 204,000,000                              
Debt interest percentage           4.875%                              
Debt repaid amount         $ 204,000,000                                
Convertible subordinated notes due 2015 [member] | Top of range [member]                                          
Disclosure of detailed information about financial instruments [line items]                                          
Debt instrument conversion amount         200,000,000                                
Convertible subordinated notes due 2018 [member]                                          
Disclosure of detailed information about financial instruments [line items]                                          
Debt principal amount                                       $ 690,000,000  
Debt interest percentage                                       3.75%  
Debt instrument conversion amount                       $ 325,000,000                  
Debt instrument maturity date             2018                            
Issuance of ADS | shares                       43 43                
Liability component of converted notes $ 5,468,000,000                                        
Convertible Subordinated Notes Due Two Thousand Sixteen and Eighteen [Member] | American Depositary Shares [Member]                                          
Disclosure of detailed information about financial instruments [line items]                                          
Conversion price | $ / shares                     $ 8.57     $ 8.92              
Conversion rate per dollars             116.6193             112.1339 112.1339            
Mandatory Convertible Securities [Member] | CPO [Member]                                          
Disclosure of detailed information about financial instruments [line items]                                          
Conversion price | $ / shares                                         $ 17.48
Rate required for converting the note per CPO | $ / shares                   $ 26.22                      
Nominal value of securities converted                                         $ 236,000,000
Mandatory Convertible Securities [Member] | Mandatory Convertible Securities 2019 [Member]                                          
Disclosure of detailed information about financial instruments [line items]                                          
Debt principal amount                   $ 315,000,000                      
Debt interest percentage                   10.00%                     10.00%
Debt instrument maturity date               2019                          
Reserve of Equity Component of Convertible Instruments [Member] | Convertible Subordinated Notes Due 2020 [Member]                                          
Disclosure of detailed information about financial instruments [line items]                                          
Fair value of conversion price                                 $ 199,000,000        
Parent [member] | Convertible Subordinated Notes Due 2020 [Member]                                          
Disclosure of detailed information about financial instruments [line items]                                          
Debt principal amount                               $ 521,000,000          
Parent [member] | Convertible subordinated notes due 2015 [member]                                          
Disclosure of detailed information about financial instruments [line items]                                          
Notional amount           $ 200,000,000                              
Notional amount annual interest rate           3.00%                              
Parent [member] | Convertible subordinated notes due 2015 [member] | Top of range [member]                                          
Disclosure of detailed information about financial instruments [line items]                                          
Debt principal amount           $ 200,000,000                              
Parent [member] | Convertible subordinated notes due 2018 [member]                                          
Disclosure of detailed information about financial instruments [line items]                                          
Increase common stock value 4                                        
Additional paid-in capital                         $ 7,059,000,000                
Expense for inducement premiums paid in shares $ 769,000,000                                        
Investors [Member] | Convertible Subordinated Notes Due 2020 [Member]                                          
Disclosure of detailed information about financial instruments [line items]                                          
Debt principal amount                                   $ 321,000,000      
Investors [Member] | U.S. treasury bonds [member]                                          
Disclosure of detailed information about financial instruments [line items]                                          
Debt principal amount         $ 200,000,000