Basis of Preparation - Write Downs (Details) $ in Millions	12 Months Ended
Dec. 31, 2024 MXN ($)
Notes and other explanatory information [abstract]
Inventories	$ 613
Property, plant and equipment	1,081
Additional expenses & losses	1,612
Subtotal	3,306
Insurance recovery	(1,669)
Total	1,637
Insurance recovery, accounts receivable	334
Insurance recovery, net cash flow received	1,335
Insurance recovery, operating activities	1,090
Insurance recovery, investing activities	$ 245

The amount of impairment loss recognised in profit or loss for property, plant and equipment. [Refer: Impairment loss recognised in profit or loss; Property, plant and equipment]

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 16
-IssueDate 2024-01-01
-Paragraph 73
-Subparagraph e
-Clause v
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=16&code=ifrs-tx-2024-en-r&anchor=para_73_e_v&doctype=Standard
-URIDate 2024-03-27

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2024-01-01
-Paragraph 98
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2024-en-r&anchor=para_98_a&doctype=Standard
-URIDate 2024-03-27

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Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration