The amount of amortisation expense. Amortisation is the systematic allocation of depreciable amounts of intangible assets over their useful lives.

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The amount of impairment loss recognised in profit or loss for goodwill. [Refer: Impairment loss recognised in profit or loss; Goodwill]

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The amount of investments in joint ventures in an entity's separate financial statements. [Refer: Total for all joint ventures [member]]

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The amount of other comprehensive income, net of tax, related to gains (losses) from changes in the fair value of investments in equity instruments that the entity has designated at fair value through other comprehensive income applying paragraph 5.7.5 of IFRS 9. [Refer: Other comprehensive income]

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The amount of income arising from interest.

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The useful life, measured as period of time, used for property, plant and equipment. [Refer: Property, plant and equipment]

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Material Accounting Policies - Additional Information (Detail)	12 Months Ended
	Dec. 31, 2024 MXN ($)	Dec. 31, 2023 MXN ($)	Dec. 31, 2022 MXN ($)	Dec. 31, 2024 USD ($) $ / shares agreement	Dec. 31, 2023 USD ($)
Disclosure of changes in accounting estimates [line items]
Interest income on loans and receivables	$ 1,000,000	$ 1,000,000	$ 0
Amortization expense for agreements with customers	258,000,000	304,000,000	295,000,000
Investments in joint ventures				$ 0	$ 0
Loss from equity financial asset classified at FVOCI	(260,000,000)	(198,000,000)	(54,000,000)
Impairment loss recognised in profit or loss, goodwill	$ 0	0	0
Minimum year of service for retirement benefits	10 years
Minimum age to qualify for benefits (age) \| $ / shares				60
Glass Bottles
Disclosure of changes in accounting estimates [line items]
Property, plant and equipment, useful live	4 years
PET Bottles
Disclosure of changes in accounting estimates [line items]
Property, plant and equipment, useful live	1 year 6 months
Mexico
Disclosure of changes in accounting estimates [line items]
Number of bottler agreements \| agreement				4
Brazil
Disclosure of changes in accounting estimates [line items]
Number of bottler agreements \| agreement				1
Guatemala
Disclosure of changes in accounting estimates [line items]
Number of bottler agreements \| agreement				3
Number Of Bottler Agreements Up For Renewal In 2025 \| agreement				1
Number Of Bottler Agreements Up For Renewal In 2028 \| agreement				2
Argentina
Disclosure of changes in accounting estimates [line items]
Number of bottler agreements \| agreement				1
Venezuela
Disclosure of changes in accounting estimates [line items]
Loss from equity financial asset classified at FVOCI	$ 0	0	0
Accumulated loss from investments in equity instruments	$ 2,073,000,000	$ 1,777,000,000	$ 1,613,000,000
Number of bottler agreements \| agreement				1
Bottler Agreement
Disclosure of changes in accounting estimates [line items]
Intangible assets renewable term	10 years
Venezuela \| Venezuela
Disclosure of changes in accounting estimates [line items]
Loss from equity financial asset classified at FVOCI	$ 296,000,000