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Financial Instruments - Summarizes outstanding Cross Currency Swap Agreements (Detail) - MXN ($) $ in Millions | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Disclosure of detailed information about financial instruments [line items] |  |
Asset | $ 96 | $ 591
Cross-currency swaps | Less than one year | Cash flow hedges |  |
Disclosure of detailed information about financial instruments [line items] |  |
Notional Amount | 5,210 | 11,381
Derivative financial instruments liability | (984) | 0
Asset | 96 | $ 2,278
Cross-currency swaps | One to three years | Cash flow hedges |  |
Disclosure of detailed information about financial instruments [line items] |  |
Notional Amount | 7,602 |
Derivative financial instruments liability | (1,377) |
Asset |  |
Cross-currency swaps | Three to four years | Cash flow hedges |  |
Disclosure of detailed information about financial instruments [line items] |  |
Notional Amount | 13,633 |
Derivative financial instruments liability | (803) |
Asset |  |
Cross-currency swaps | Four to six years | Cash flow hedges |  |
Disclosure of detailed information about financial instruments [line items] |  |
Notional Amount | 507 |
Derivative financial instruments liability | (51) |
Asset |  |

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