Financial Instruments - Summarizes Sugar Price and Aluminum Price Contracts (Detail) - MXN ($)	Dec. 31, 2024	Dec. 31, 2023
Disclosure of detailed information about financial instruments [line items]
Asset	$ 4,702,000,000	$ 96,000,000
2032
Disclosure of detailed information about financial instruments [line items]
Notional Amount	10,134,000,000	8,447,000,000
Derivative financial instruments liability	(1,784,000,000)	(1,381,000,000)
Asset	0	0
Cash flow hedges \| Aluminum price contracts \| 2024
Disclosure of detailed information about financial instruments [line items]
Notional Amount		647,000,000
Derivative financial instruments liability		0
Asset		20,000,000
Cash flow hedges \| Aluminum price contracts \| Less than one year
Disclosure of detailed information about financial instruments [line items]
Notional Amount	828,000,000
Derivative financial instruments liability	(2,000,000)
Asset	33,000,000
Cash flow hedges \| Sugar price contracts \| 2024
Disclosure of detailed information about financial instruments [line items]
Notional Amount		2,593,000,000
Derivative financial instruments liability		(128,000,000)
Asset		206,000,000
Cash flow hedges \| Sugar price contracts \| Less than one year
Disclosure of detailed information about financial instruments [line items]
Notional Amount	3,108,000,000	745,000,000
Derivative financial instruments liability	(183,000,000)	(72,000,000)
Asset	6,000,000	$ 0
Cash flow hedges \| Sugar price contracts \| One to two years
Disclosure of detailed information about financial instruments [line items]
Notional Amount	2,214,000,000
Derivative financial instruments liability	(118,000,000)
Asset	0
Cash flow hedges \| Sugar price contracts \| 2027
Disclosure of detailed information about financial instruments [line items]
Notional Amount	440,000,000
Derivative financial instruments liability	(27,000,000)
Asset
Cash flow hedges \| Diesel price contracts \| Less than one year
Disclosure of detailed information about financial instruments [line items]
Notional Amount	22,000,000
Derivative financial instruments liability	0
Asset	0
Cash flow hedges \| PX+MEG price contracts \| Less than one year
Disclosure of detailed information about financial instruments [line items]
Notional Amount	72,000,000
Derivative financial instruments liability	(5,000,000)
Asset	$ 0

The amount of financial assets classified as derivative instruments. [Refer: Financial assets; Derivatives [member]]

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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