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Overview: - Significant events (Details) $ in Thousands, $ in Thousands |  |  |  |  |  |  |  |  |  |  |  |  | 1 Months Ended | 12 Months Ended |  |  |  |  |
--- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | --- | ---
Nov. 05, 2021 MXN ($) | Nov. 05, 2021 USD ($) | Oct. 15, 2021 MXN ($) | Oct. 13, 2021 MXN ($) | Sep. 29, 2021 MXN ($) | Apr. 26, 2021 MXN ($) | Feb. 18, 2021 MXN ($) | Feb. 18, 2021 USD ($) | Dec. 30, 2020 MXN ($) | Sep. 11, 2020 MXN ($) | Aug. 19, 2020 MXN ($) | Jun. 29, 2020 MXN ($) | May 12, 2020 MXN ($) | May 12, 2020 USD ($) | Apr. 01, 2020 MXN ($) | Apr. 01, 2020 USD ($) | Oct. 31, 2017 | Dec. 31, 2021 MXN ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2020 MXN ($) | Dec. 31, 2020 USD ($) | Dec. 31, 2019 MXN ($) | Dec. 31, 2021 USD ($) | Dec. 31, 2021 COP ($) | Sep. 30, 2021 | Dec. 31, 2020 USD ($) | Dec. 31, 2020 COP ($) | Dec. 30, 2020 USD ($) | Sep. 11, 2020 COP ($)
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Points to add interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.25% |  | 1.25% |  |  | 1.25% | 1.25% |  | 1.25% | 1.25% |  |
Net decrease in allowance for bad debts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 28,519 |  |  |  |  |  |  |  |  |  |  |
Increase in allowance for bad debts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 154,417 |  |  |  |  |  |  |  |  |
Deferment investments |  |  |  |  |  |  |  |  |  |  | $ 2,292,355 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans received |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 11,229,606 |  | 6,936,708 |  |  |  |  |  |  |  |  |
Disposal of loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,429,334 |  | $ 245,520 |  | $ 152,047 |  |  |  |  |  |  |
Percentage of increase in consolidated income excluding construction services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 74.39% | 74.39% |  |  |  |  |  |  |  |  |  |
Percentage of increase in aeronautical revenues excluding construction services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 73.83% | 73.83% |  |  |  |  |  |  |  |  |  |
Percentage of decrease in aeronautical income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 43.60% | 43.60% | 42.50% |  |  |  |  |  |  |
Percentage of increase in non-aeronautical revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 75.23% | 75.23% |  |  |  |  |  |  |  |  |  |
Percentage of decrease in non-aeronautical income |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 40.60% | 40.60% |  |  |  |  |  |  |  |
Mexico |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduction in passenger traffic |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 51.60% | 51.60% |  |  |  |  |  |  |  |
Percentage of increase in passenger traffic |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 76.28% | 76.28% |  |  |  |  |  |  |  |  |  |
Points to add interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7.00% |  | 7.00% |  |  | 7.00% | 7.00% |  | 7.00% | 7.00% |  |
Term of guaranteed notes receivable |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1 year 6 months | 1 year 6 months | 1 year 6 months | 1 year 6 months |  |  |  |  |  |  |  |
Notes received pledged |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 4,463 |  | $ 185,140 |  |  |  |  |  |  |  |  |
Proceeds from notes receivable pledged |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 180,677 |  |  |  |  |  |  |  |  |  |  |
Increase in allowance for bad debts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 9,331 |  | 70,470 |  |  |  |  |  |  |  |  |
Deferment investments |  |  |  |  |  |  |  |  |  |  | $ 2,292,355 |  |  |  |  |  |  |  |  |  |  |  | $ 3,533,480 |  |  |  |  |  |
Period for quinquennial Master Development Program |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans received |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 8,630,000 |  | $ 3,980,000 |  |  |  |  |  |  |  |  |
Percentage of increase in aeronautical revenues excluding construction services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 99.23% | 99.23% |  |  |  |  |  |  |  |  |  |
Percentage of increase in non-aeronautical revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 74.16% | 74.16% |  |  |  |  |  |  |  |  |  |
Colombia (Airplan) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduction in passenger traffic |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 65.00% | 65.00% |  |  |  |  |  |  |  |
Percentage of increase in passenger traffic |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 149.82% | 149.82% |  |  |  |  |  |  |  |  |  |
Points to add interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 4.00% |  |  |  |  | 4.00% | 4.00% |  |  |  |  |
Notes received pledged |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 60,617 |  |  |  |  |  |  |  |  |
Proceeds from notes receivable pledged |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 60,617 |  |  |  |  |  |  |  |  |  |  |
Net decrease in allowance for bad debts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,575 |  |  |  |  |  |  |  |  |  |  |
Increase in allowance for bad debts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 33,105 |  |  |  |  |  |  |  |  |
Loans received |  |  |  |  |  |  |  |  |  | $ 67,041 |  |  |  |  |  |  |  | $ 2,390,983 |  | $ 2,956,708 |  |  |  | $ 375,525,853 |  |  | $ 335,925,853 |  | $ 11,612,000,000
Term of loan |  |  |  |  |  |  |  |  |  | 1 year |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of increase in aeronautical revenues excluding construction services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 140.25% | 140.25% |  |  |  |  |  |  |  |  |  |
Percentage of increase in non-aeronautical revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 51.74% | 51.74% |  |  |  |  |  |  |  |  |  |
Puerto Rico (Aerostar) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Reduction in passenger traffic |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 48.70% | 48.70% |  |  |  |  |  |  |  |
Percentage of increase in passenger traffic |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 99.83% | 99.83% |  |  |  |  |  |  |  |  |  |
Net decrease in allowance for bad debts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 36,275 |  |  |  |  |  |  |  |  |  |  |
Increase in allowance for bad debts |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 36,275 |  | $ 50,842 |  |  |  |  |  |  |  |  |
Loans received |  |  |  |  |  |  |  |  | $ 399,010 |  |  |  |  |  |  |  |  | $ 208,623 |  | 199,087 |  |  | $ 10,000 |  |  | $ 10,000 |  | $ 20,000 |
Term of loan |  |  |  |  |  |  |  |  | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 239,200 | $ 10,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Percentage of increase in aeronautical revenues excluding construction services |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 12.12% | 12.12% |  |  |  |  |  |  |  |  |  |
Percentage of increase in non-aeronautical revenues |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 88.31% | 88.31% |  |  |  |  |  |  |  |  |  |
Amount of grant offer under CARES Act. |  |  |  |  |  |  |  |  |  |  |  |  | $ 717,590 | $ 33,417 |  |  |  | $ 33,477 | $ 16,292 | 717,590 | $ 33,417 |  |  |  |  |  |  |  |
Amount of aid subsidy received under CARES Act |  |  |  |  |  |  |  |  |  |  |  |  | $ 367,752 | $ 17,125 |  |  |  | 333,477 | 16,292 | 367,752 | $ 17,125 |  |  |  |  |  |  |  |
Amount of grant offer under CRRSA Act. |  |  |  |  |  |  | $ 210,574 | $ 10,577 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Amount of aid subsidy received under CRRSA Act |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 20,122 | $ 983 |  |  |  |  |  |  |  |  |  |
Amount of grant offer under ARP Act. | $ 731,106 | $ 35,716 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Banco Popular De Puerto Rico |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Points to add interest rate |  |  |  |  |  |  |  |  | 0.50% |  |  |  |  |  | 0.50% | 0.50% |  |  |  |  |  |  |  |  |  |  |  | 0.50% |
Term of loan |  |  |  |  |  |  |  |  | 3 years |  |  |  |  |  | 3 years | 3 years |  |  |  |  |  |  |  |  |  |  |  |  |
Disposal of loans |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 239,200 |  |  |  |  |  |  |  |  |  |  |  |  |  |
Banco Popular De Puerto Rico | Mexico |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans received |  |  |  |  |  |  |  |  |  |  |  | $ 1,500,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Term of loan |  |  |  |  |  |  |  |  |  |  |  | 18 months |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Banco Popular De Puerto Rico | Puerto Rico (Aerostar) |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans received |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 208,623 |  | 199,087 |  |  | $ 10,000 |  |  | $ 10,000 |  |  |
Santandar |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 28-day TIIE rate plus 1.25 points |  |  |  |  |  |  |  |  |  |  |  |
Points to add interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.25% |  |  |  |  |  |  |  |  |  |  |  |
Term of loan |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 5 years |  |  |  |  |  |  |  |  |  |  |  |
Disposal of loans |  |  |  |  | $ 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Santandar | Mexico |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis |  |  |  |  | 28-day TIIE rate plus 1.5 points |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Points to add interest rate |  |  |  |  | 1.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans received |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 2,000,000 |  | 2,000,000 |  |  |  |  |  |  |  |  |
Disposal of loans |  |  |  |  | $ 20,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Santandar New |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis |  |  |  |  | 28-day TIIE rate plus 1.50 points |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Points to add interest rate |  |  |  |  | 1.50% |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Santandar New | Mexico |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans received |  |  |  |  | $ 2,650,000 |  |  |  |  |  |  |  |  |  |  |  |  | 2,650,000 |  |  |  |  |  |  |  |  |  |  |
BBVA Bancomer, S. A. |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis |  |  |  |  |  |  |  |  |  |  |  | 28-Day Interbank Equilibrium Interest Rate (28 Day TIIE) plus 1.5% |  |  |  |  | TIIE rate of 28 days plus 1.25 points. |  |  |  |  |  |  |  |  |  |  |  |
Points to add interest rate |  |  |  |  |  |  |  |  |  |  |  | 1.50% |  |  |  |  | 1.25% |  |  |  |  |  |  |  |  |  |  |  |
Term of loan |  |  |  |  |  |  |  |  |  |  |  | 18 months |  |  |  |  | 7 years |  |  |  |  |  |  |  |  |  |  |  |
Disposal of loans |  |  |  | $ 1,960,000 |  | $ 20,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
BBVA Bancomer, S. A. | Mexico |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans received |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1,980,000 |  | $ 1,980,000 |  |  |  |  |  |  |  |  |
Disposal of loans |  |  |  | $ 1,960,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
BBVA Bancomer, S.A. New |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis |  |  | TIIE rate to 28 days plus an applicable margin |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Points to add interest rate |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 1.50% |  |  |  |
Term of loan |  |  | 7 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
BBVA Bancomer, S.A. New | Mexico |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Disclosure of geographical areas [line items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Borrowings, interest rate basis |  |  | 28-day TIIE rate plus an applicable margin |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Loans received |  |  | $ 2,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  | $ 2,000,000 |  |  |  |  |  |  |  |  |  |  |
Term of loan |  |  | 7 years |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Amount of grant offer under American Rescue Plan Act (ARPA). + References No definition available. + Details
Name: | asurb_AmountOfGrantOfferAmericanRescuePlanAct
Namespace Prefix: | asurb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of grant offer under CARES Act. + References No definition available. + Details
Name: | asurb_AmountOfGrantOfferCaresAct
Namespace Prefix: | asurb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Amount of grant offer under CRRSA Act. + References No definition available. + Details
Name: | asurb_AmountOfGrantOfferCrrsaAct
Namespace Prefix: | asurb_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
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