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Financial Instruments - Summary of Maturity Analysis for Non-derivative and Derivative Financial Liabilities (Details) - Liquidity risk - MXN ($) $ in Millions | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Disclosure Of Maturity Analysis For Non-derivative And Derivative Financial Liabilities [line items] |  |
Percentage of outstanding consolidated total indebtedness at the level of its sub-holding companies | 55.00% | 46.50%
Notes and bonds | $ 126,481 |
Loans from Banks | 10,343 |
Derivative financial liabilities | (4,952) |
2025 |  |
Disclosure Of Maturity Analysis For Non-derivative And Derivative Financial Liabilities [line items] |  |
Notes and bonds | 0 |
Loans from Banks | 8,452 |
Derivative financial liabilities | (307) |
2026 |  |
Disclosure Of Maturity Analysis For Non-derivative And Derivative Financial Liabilities [line items] |  |
Notes and bonds | 1,728 |
Loans from Banks | 155 |
Derivative financial liabilities | 45 |
2027 |  |
Disclosure Of Maturity Analysis For Non-derivative And Derivative Financial Liabilities [line items] |  |
Notes and bonds | 11,989 |
Loans from Banks | 93 |
Derivative financial liabilities | (919) |
2028 |  |
Disclosure Of Maturity Analysis For Non-derivative And Derivative Financial Liabilities [line items] |  |
Notes and bonds | 9,321 |
Loans from Banks | 796 |
Derivative financial liabilities | (1,382) |
Five to ten years |  |
Disclosure Of Maturity Analysis For Non-derivative And Derivative Financial Liabilities [line items] |  |
Notes and bonds | 15,433 |
Loans from Banks | 567 |
Derivative financial liabilities | 89 |
2029 and Thereafter |  |
Disclosure Of Maturity Analysis For Non-derivative And Derivative Financial Liabilities [line items] |  |
Notes and bonds | 88,010 |
Loans from Banks | 280 |
Derivative financial liabilities | $ (2,478) |

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