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Related Parties - Summary of Analysis of the Balances with Related Parties (Detail) - MXN ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
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Disclosure of receivables and payables arising from related party transactions [line items] |  |
Amounts receivable from related party transactions | $ 1,391,300 | $ 1,273,140
Amounts payable to related party transactions | 3,999,916 | 3,460,419
Hubard y Bourlon SA de CV [member] |  |
Disclosure of receivables and payables arising from related party transactions [line items] |  |
Amounts receivable from related party transactions | 437,231 | 172,952
Patrimonial Inbursa, SA [member] |  |
Disclosure of receivables and payables arising from related party transactions [line items] |  |
Amounts receivable from related party transactions | 327,985 | 386,194
Sears Roebuck de México, S.A. de C.V. and Subsidiaries [member] |  |
Disclosure of receivables and payables arising from related party transactions [line items] |  |
Amounts receivable from related party transactions | 233,402 | 228,523
Sanborns Hermanos, SA [member] |  |
Disclosure of receivables and payables arising from related party transactions [line items] |  |
Amounts receivable from related party transactions | 160,116 | 229,964
Claroshopcom SAPI de CV [member] |  |
Disclosure of receivables and payables arising from related party transactions [line items] |  |
Amounts receivable from related party transactions | 100,075 | 91,874
Carso Infraestructura y Construccion, SA de CV and Subsidiaries [member] |  |
Disclosure of receivables and payables arising from related party transactions [line items] |  |
Amounts receivable from related party transactions | 7,679 | 41,204
Amounts payable to related party transactions | 2,192,405 | 1,656,123
Grupo Condumex, SA de CV and Subsidiaries [member] |  |
Disclosure of receivables and payables arising from related party transactions [line items] |  |
Amounts receivable from related party transactions | 10,038 | 12,018
Amounts payable to related party transactions | 1,054,526 | 905,776
Fianzas Guardiana Inbursa, SA de CV [member] |  |
Disclosure of receivables and payables arising from related party transactions [line items] |  |
Amounts payable to related party transactions | 241,898 | 241,305
Grupo Financiero Inbursa, SAB de CV [member] |  |
Disclosure of receivables and payables arising from related party transactions [line items] |  |
Amounts payable to related party transactions | 234,954 | 246,804
Seguros Inbursa SA de CV [member] |  |
Disclosure of receivables and payables arising from related party transactions [line items] |  |
Amounts payable to related party transactions | 92,173 | 100,155
PC Industrial, SA de CV and Subsidiaries [member] |  |
Disclosure of receivables and payables arising from related party transactions [line items] |  |
Amounts payable to related party transactions | 44,198 | 68,189
Enesa, SA de CV and Subsidiaries [member] |  |
Disclosure of receivables and payables arising from related party transactions [line items] |  |
Amounts payable to related party transactions | 22,014 | 25,076
Other related parties [member] |  |
Disclosure of receivables and payables arising from related party transactions [line items] |  |
Amounts receivable from related party transactions | 114,774 | 110,411
Amounts payable to related party transactions | $ 117,748 | $ 216,991

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