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Financial Instruments - Summary of Sensitivity Analysis of Market Risks (Detail) - Market risk - MXN ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Forward agreements to purchase U.S. Dollar (MXN/USD) |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Change in USD rate | (11.00%) | (10.00%) | (11.00%)
Effect on equity | $ (465) | $ (512) | $ (298)
Profit and loss effect |  |  | $ 0
Forward agreements to purchase U.S. Dollar (BRL/USD) |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Change in USD rate | (12.00%) | (18.00%) | (16.00%)
Effect on equity | $ (521) | $ (550) | $ (284)
Profit and loss effect |  |  | $ 0
Forward agreements to purchase U.S. Dollar (COP/USD) |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Change in USD rate | (16.00%) | (17.00%) | (11.00%)
Effect on equity | $ (225) | $ (112) | $ (81)
Profit and loss effect |  |  | $ 0
Forward agreements to purchase U.S. Dollar (ARS/USD) |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Change in USD rate | (55.00%) | (3.00%) | (1.00%)
Effect on equity | $ (140) | $ (10) | $ (3)
Profit and loss effect |  |  | $ 0
Forward agreements to purchase U.S. Dollar (UYU/USD) |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Change in USD rate | (5.00%) | (7.00%) | (4.00%)
Effect on equity | $ (20) | $ (25) | $ (7)
Profit and loss effect |  |  | $ 0
Forward agreements to purchase U.S. Dollar (CRC/USD) |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Change in USD rate | (7.00%) | (7.00%) | (3.00%)
Effect on equity | $ (15) | $ (24) | $ (10)
Profit and loss effect |  | $ 0 | $ 0
Cross currency swaps (USD to MXN) |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Change in USD rate | (11.00%) | (10.00%) | (11.00%)
Effect on equity | $ (1,314) | $ (1,220) | $ (1,645)
Profit and loss effect |  |  | $ 0
Cross currency swaps (USD to BRL) |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Change in USD rate | (12.00%) | (18.00%) | (16.00%)
Effect on equity | $ (1,683) | $ (2,893) | $ (2,300)
Profit and loss effect |  |  | $ 0
Sugar price contracts |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Change on sugar Price | (29.00%) | (22.00%) | (28.00%)
Effect on equity | $ (765) | $ (333) | $ (714)
Profit and loss effect |  |  | $ 0
Aluminum price contracts |  |  |
Disclosure of nature and extent of risks arising from financial instruments [line items] |  |  |
Change on Aluminum price | (22.00%) | (35.00%) | (24.00%)
Change in Aluminum price, effect on equity | $ (147) | $ (189) | $ (39)
Profit and loss effect |  |  | $ 0

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