v3.26.1
Business Combinations and Disposals - Disposals (Discontinued Operations) Narrative (Details)
€ in Millions, $ in Millions, $ in Millions
 12 Months Ended
Jul. 01, 2025
MXN ($)
Jan. 03, 2025
MXN ($)
Nov. 01, 2024
MXN ($)
May 31, 2023
EUR (€)
Feb. 16, 2023
EUR (€)
Feb. 15, 2023
Dec. 31, 2025
USD ($)
Dec. 31, 2025
MXN ($)
Dec. 31, 2024
MXN ($)
Dec. 31, 2023
MXN ($)
Dec. 31, 2025
MXN ($)
Dec. 31, 2024
USD ($)
 [1]
Dec. 31, 2024
MXN ($)
Dec. 31, 2023
USD ($)
Dec. 31, 2023
MXN ($)
Dec. 31, 2022
MXN ($)
Disclosure of analysis of single amount of discontinued operations [line items]                                
Other investments measured at FVTPL                     $ 0   $ 6,440      
Cash and cash equivalents             $ 5,997 [1]       $ 107,980 $ 7,766 139,834   $ 165,112 $ 83,439
Proceeds from disposal of investment in Heineken             $ 422 [1] $ 7,598 $ 0 $ 133,222            
Discontinued operations                                
Disclosure of analysis of single amount of discontinued operations [line items]                                
Cash and cash equivalents                         $ 977      
BradyIFS                                
Disclosure of analysis of single amount of discontinued operations [line items]                                
Economic ownership percentage                   63.00%            
Gain (loss) recognised on measurement to fair value less costs to sell or on disposal of assets or disposal groups constituting discontinued operation                   $ 163            
BradyIFS | Discontinued operations                                
Disclosure of analysis of single amount of discontinued operations [line items]                                
Cash and cash equivalents                           $ 1,500    
IFS TopCo LLC                                
Disclosure of analysis of single amount of discontinued operations [line items]                                
Economic ownership percentage             37.10% 37.10% 37.10% 37.00%            
Imbera and Torrey | Discontinued operations                                
Disclosure of analysis of single amount of discontinued operations [line items]                                
Gain (loss) recognised on measurement to fair value less costs to sell or on disposal of assets or disposal groups constituting discontinued operation     $ 4,165                          
Proceeds from disposal of investment in Heineken     8,172           $ 8,172              
Proceeds from sales of investments accounted for using equity method, cash acquired     7,637                          
Proceeds from sales of investments accounted for using equity method, credit note     $ 534                          
PTM | Discontinued operations                                
Disclosure of analysis of single amount of discontinued operations [line items]                                
Proceeds from disposal of investment in Heineken   $ 2,747                            
Proceeds from sales of investments accounted for using equity method, credit note   $ 286                            
Solistica | Discontinued operations                                
Disclosure of analysis of single amount of discontinued operations [line items]                                
Gain (loss) recognised on measurement to fair value less costs to sell or on disposal of assets or disposal groups constituting discontinued operation $ 1,574                              
Proceeds from disposal of investment in Heineken $ 4,042             $ 7,075                
Heineken Group                                
Disclosure of analysis of single amount of discontinued operations [line items]                                
Economic ownership percentage       1.00%                        
Non-current investments other than investments accounted for using equity method | €       € 500                        
Heineken                                
Disclosure of analysis of single amount of discontinued operations [line items]                                
Proceeds from sales of interests in associates | €       € 3,300 € 3,200                      
Economic ownership percentage         8.13% 14.76%                    
Heineken | Discontinued operations                                
Disclosure of analysis of single amount of discontinued operations [line items]                                
Gain (loss) recognised on measurement to fair value less costs to sell or on disposal of assets or disposal groups constituting discontinued operation                   $ 26,820            
Proceeds from disposal of investment in Heineken                   $ 133,222            
[1] Convenience translation to U.S. dollars ($) – See Note 2.2.4