XML 337 R94.htm IDEA: XBRL DOCUMENT v3.24.1.u1
Income Taxes - Summary of Reconciliation of Deferred Tax Assets and Liabilities, Net (Detail)
$ in Thousands, $ in Millions
 12 Months Ended
Dec. 31, 2023
MXN ($)
Dec. 31, 2022
MXN ($)
Dec. 31, 2021
MXN ($)
Dec. 31, 2023
USD ($)
Reconciliation of changes in deferred tax liability (asset) [abstract]        
Deferred Tax (Liability) Asset Beginning Balance $ 98,415,751 $ 77,822,839    
Deferred tax benefit 13,810,280 1,455,448    
Translation effect 3,202,557 (1,644,500)    
Deferred tax benefit recognized in OCI 1,861,305 10,985,695 $ (4,176,197)  
Deferred taxes acquired in business combinations (529,191) (11,571)    
Hyperinflationary effect in Argentina (146,182) (942,751)    
Disposals (Note 2Ac) 0 (3,856,459)    
Spin-off 0 14,607,050    
Related discontinued operation 0 0    
Deferred tax (liability) asset ending balance 116,614,520 98,415,751 77,822,839  
Presented in the consolidated statements of financial position as follows:        
Deferred income tax assets 137,883,622 128,717,811   $ 8,162
Deferred income tax liabilities (21,269,102) (30,302,060)   $ (1,259)
Deferred tax assets and liabilities, net $ 116,614,520 $ 98,415,751 $ 77,822,839