XML 180 R165.htm IDEA: XBRL DOCUMENT v3.21.1
Other Liabilities, Provisions and Commitments - Summary of Changes in Balance of Provisions Recorded (Detail)
$ in Millions, $ in Millions
 12 Months Ended
Dec. 31, 2020
MXN ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
MXN ($)
Dec. 31, 2018
MXN ($)
Disclosure of other provisions [line items]        
Balance at beginning of the period $ 7,983      
Balance at end of the period 5,100   $ 7,983  
Taxes        
Disclosure of other provisions [line items]        
Balance at beginning of the period 4,696   5,038 $ 6,717
Penalties and other charges 0   1 7
New contingencies 186   368 178
Cancellation and adjustments (152)   (247) (44)
Contingencies added in business combinations 0   0 104
Payments (187)   (68) (110)
Reversal of indemnifiable items   $ (1,177)    
Effect of foreign currency exchange rates (826)   (396) (951)
Philippines disposal 0   0 (863)
Balance at end of the period 2,540   4,696 5,038
Labor        
Disclosure of other provisions [line items]        
Balance at beginning of the period 2,222   2,340 2,365
Penalties and other charges 228   249 279
New contingencies 227   465 205
Cancellation and adjustments (51)   (273) (109)
Contingencies added in business combinations 0   44 289
Payments (561)   (401) (20)
Effect of foreign currency exchange rates (384)   (202) (669)
Balance at end of the period 1,681   2,222 2,340
Legal        
Disclosure of other provisions [line items]        
Balance at beginning of the period 1,065   920 1,985
Penalties and other charges 8   94 86
New contingencies 193   128 61
Cancellation and adjustments (141)   (45) (9)
Contingencies added in business combinations 0   77 67
Payments (111)   (44) (251)
Effect of foreign currency exchange rates (135)   (65) (135)
Philippines disposal 0   0 (884)
Balance at end of the period $ 879   $ 1,065 $ 920