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Debt - Summary of Short Term Debt Maturities (Detail) $ in Thousands, $ in Millions | 12 Months Ended |
--- | --- | ---
Dec. 31, 2023 MXN ($) | Dec. 31, 2022 MXN ($) | Dec. 31, 2023 USD ($)
Disclosure of detailed information about borrowings [line items] |  |  |
Short-term debt | $ 160,963,603 | $ 102,024,414 | $ 9,528
Weighted average interest rate | 7.01% | 8.50% |
Senior Notes 1 [member] | Obligations and senior notes [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Short-term debt | $ 95,821,829 | $ 36,698,853 |
Lines of credit [member] |  |  |
Disclosure of detailed information about borrowings [line items] |  |  |
Short-term debt | $ 65,141,774 | $ 65,325,561 |

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