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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 |

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