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Bank loans: Additional information (Details) $ in Thousands, $ in Thousands, $ in Thousands |  |  |  |  |  |  |  |  |  |  |  |  | 12 Months Ended |  |  |  |  |  |  |
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Jun. 11, 2024 MXN ($) | Apr. 15, 2024 MXN ($) | Mar. 26, 2024 MXN ($) | Jan. 15, 2024 MXN ($) | Oct. 13, 2023 MXN ($) | Sep. 29, 2023 MXN ($) | Jul. 14, 2023 MXN ($) | Mar. 29, 2023 MXN ($) | Nov. 29, 2021 MXN ($) | Oct. 15, 2021 MXN ($) | Dec. 30, 2020 MXN ($) | Oct. 19, 2017 MXN ($) | Dec. 31, 2024 MXN ($) | Dec. 31, 2023 MXN ($) | Dec. 31, 2022 MXN ($) | Dec. 31, 2019 MXN ($) | Dec. 31, 2019 COP ($) | Nov. 26, 2024 MXN ($) | Nov. 26, 2024 USD ($) | Nov. 15, 2023 MXN ($) | Nov. 15, 2023 USD ($) | Oct. 31, 2021 | Sep. 29, 2021 MXN ($) | Dec. 30, 2020 USD ($) | Oct. 31, 2017 | Jun. 01, 2015
Bank loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Increase (decrease) in fair value measurement, liabilities |  |  |  |  |  |  |  |  |  |  |  | $ 605,382 |  |  |  | $ 3,408,442 | $ 535,125,402 |  |  |  |  |  |  |  |  |
Bank loans paid |  |  |  |  |  |  |  |  |  |  |  |  | $ 538,712 | $ 1,475,000 | $ 1,498,076 |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 14.09%
Debt coverage ratio |  |  |  |  |  |  |  |  |  |  |  |  | 2.1 | 2.4 |  |  |  |  |  |  |  |  |  |  |  |
Capital one financial indicator ratio |  |  |  |  |  |  |  |  |  |  |  |  | 16.00% |  |  |  |  |  |  |  |  |  |  |  |  |
Capital structure ratio |  |  |  |  |  |  |  |  |  |  |  |  | 61.1 | 46.1 |  |  |  |  |  |  |  |  |  |  |  |
Airplan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt coverage ratio |  |  |  |  |  |  |  |  |  |  |  |  | 4.4 | 3.6 |  |  |  |  |  |  |  |  |  |  |  |
BBVA Bancomer, S. A. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original debt | $ 1,750,000 |  |  |  |  |  |  |  |  | $ 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term of loan |  |  |  |  |  |  |  |  |  | 7 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis | 28-day TIIE rate plus an applicable margin of 135 basis points |  |  |  |  |  |  |  |  | TIIE rate to 28 days plus an applicable margin of 140 basis points |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Points to add interest rate | 1.35% |  |  |  |  |  |  |  |  | 1.40% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans paid |  | $ 50,000 |  | $ 50,000 | $ 50,000 |  | $ 50,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Renegotiated fee | $ 4,375 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate | 12.39% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt applicable margin rate | 1.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Minimum interest coverage ratio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.0 |
Debt coverage ratio |  |  |  |  |  |  |  |  |  |  |  |  | 12.5 | 11.4 |  |  |  |  |  |  |  |  |  |  |  |
BBVA Bancomer, S. A. | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt applicable margin rate | 1.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
BBVA Bancomer, S. A. | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt applicable margin rate | 2.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
BBVA Bancomer, S.A. New |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Points to add interest rate |  |  |  |  |  |  |  |  |  |  |  |  | 1.50% |  |  |  |  |  |  |  |  | 135.00% |  |  |  |
Consolidated leverage ratio of borrowings |  |  |  |  |  |  |  |  |  |  |  |  | 0.7 | 0.7 |  |  |  |  |  |  |  |  |  |  |  |
Minimum interest coverage ratio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.0 |
BBVA Bancomer, S.A. New | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated leverage ratio of borrowings |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.5 |
BBVA Bancomer, S.A. New | Net Leverage Index Less Than 1.5X |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Points to add interest rate | 1.40% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
BBVA Bancomer, S.A. New | Net Leverage Index Between 1.5X and 2.5X |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Points to add interest rate | 1.65% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
BBVA Bancomer, S.A. New | Net Leverage Index Greater Than 2.5X |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Points to add interest rate | 1.90% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Santander |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original debt |  |  | $ 675,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,650,000 |  |  |
Term of loan |  |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis |  |  | 28-day TIIE rate plus an applicable margin of 150 basis points |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Points to add interest rate |  |  | 1.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.015% |  |  |
Bank loans paid |  |  |  |  |  | $ 662,500 |  | $ 662,500 | $ 650,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate |  |  | 12.56% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated leverage ratio of borrowings |  |  |  |  |  |  |  |  |  |  |  |  | 0.7 | 0.7 |  |  |  |  |  |  |  |  |  |  |  |
Minimum interest coverage ratio |  |  | 3.0 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Debt coverage ratio |  |  |  |  |  |  |  |  |  |  |  |  | 12.5 | 11.4 |  |  |  |  |  |  |  |  |  |  |  |
Santander | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Consolidated leverage ratio of borrowings |  |  | 3.5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Banco Popular De Puerto Rico |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original debt |  |  |  |  |  |  |  |  |  |  | $ 399,010 |  |  |  |  |  |  |  |  |  |  |  |  | $ 20,000 |  |
Term of loan |  |  |  |  |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Points to add interest rate |  |  |  |  |  |  |  |  |  |  | 0.50% |  |  |  |  |  |  |  |  |  |  |  |  | 0.50% |  |
Unused credit line (in percent) |  |  |  |  |  |  |  |  |  |  | 0.15% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Unsecured revolving credit line with Banco Popular de Puerto Rico |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 338,380 | $ 20,000 |  |  |  |  |
Debt coverage ratio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 |  |  |  |  |
Default interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.00% | 2.00% |  |  |  |  |
Unsecured revolving credit line with Banco Popular de Puerto Rico | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Points to add interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.50% | 0.50% |  |  |  |  |
Unsecured revolving credit line with Banco Popular de Puerto Rico | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Points to add interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.00% | 3.00% |  |  |  |  |
Secured revolving credit line with Banco Popular de Puerto Rico |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Original debt |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 207,862 | $ 10,000 |  |  |  |  |  |  |
Debt coverage ratio |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 | 1 |  |  |  |  |  |  |
Default interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2.00% | 2.00% |  |  |  |  |  |  |
Secured revolving credit line with Banco Popular de Puerto Rico | Minimum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Points to add interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 0.75% | 0.75% |  |  |  |  |  |  |
Secured revolving credit line with Banco Popular de Puerto Rico | Maximum |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Bank loans: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Points to add interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3.00% | 3.00% |  |  |  |  |  |  |

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