XML 139 R124.htm IDEA: XBRL DOCUMENT v3.21.1
Post-Employment and Other Non-current Employee Benefits - Summary of Employee Benefits Expense (Detail) - MXN ($)
$ in Millions
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Dec. 31, 2018
Employee benefits expense [line items]      
Total employee benefits expense $ 29,633 $ 30,561 $ 31,174
Cost of Goods Sold      
Employee benefits expense [line items]      
Wages and salaries 3,955 4,052 4,295
Social security costs 1,251 1,277 1,320
Employee profit sharing 89 79 74
Pension and seniority premium costs 69 34 26
Share-based payment expense 4 1 3
Selling and Distribution Expenses      
Employee benefits expense [line items]      
Wages and salaries 15,620 16,068 16,590
Social security costs 4,587 4,717 4,651
Employee profit sharing 551 539 496
Pension and seniority premium costs 261 185 158
Share-based payment expense 20 2 11
Administrative Expenses      
Employee benefits expense [line items]      
Wages and salaries 2,448 2,742 2,771
Social security costs 541 625 557
Employee profit sharing 33 35 31
Pension and seniority premium costs 38 20 46
Post-employment benefits other 0 0 2
Share-based payment expense $ 166 $ 185 $ 143