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Accounts Payable, Accrued Liabilities and Asset Retirement Obligations - Components Account Payable and Accrued Liabilities (Detail)
$ in Thousands, $ in Millions
Dec. 31, 2020
MXN ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
MXN ($)
Accounts payable and accrued liabilities [abstract]      
Suppliers $ 74,285,881   $ 113,370,716
Sundry creditors 101,406,307   90,849,195
Interest payable 7,661,762   8,057,170
Guarantee deposits from customers 1,386,645   1,467,835
Dividends payable 2,254,877   2,367,908
Total $ 186,995,472 $ 9,374 $ 216,112,824