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Financial Assets and Liabilities - Summary of changes in liabilities arising from financing activities (Detail) - MXN ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Disclosure of reconciliation of liabilities arising from financing activities [line items]    
Beginning balance $ 662,684,327 $ 737,710,197
Cash flow 9,250,705 (88,899,031)
Foreign currency exchange and other (27,196,741) 13,873,161
Ending balance 644,738,291 662,684,327
Debt [member]    
Disclosure of reconciliation of liabilities arising from financing activities [line items]    
Beginning balance 564,030,102 628,382,956
Cash flow 43,073,992 (58,354,281)
Foreign currency exchange and other (96,514,614) (5,998,573)
Ending balance 510,589,480 564,030,102
Liability Related to Right of Use of Assets [Member]    
Disclosure of reconciliation of liabilities arising from financing activities [line items]    
Beginning balance 98,654,225 109,327,241
Cash flow (33,823,287) (30,544,750)
Foreign currency exchange and other 69,317,873 19,871,734
Ending balance $ 134,148,811 $ 98,654,225