XML 94 R87.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Stockholders' Equity: (Details 1) | 12 Months Ended
--- | ---
Dec. 31, 2017
Not later than one year [member] |
Dividend Incentive Tax Rate, Percentage | 1.00%
Later than one year and not later than two years [member] |
Dividend Incentive Tax Rate, Percentage | 2.00%
Later than two years and not later than three years [member] |
Dividend Incentive Tax Rate, Percentage | 5.00%

X
- Definition Represents the incentive tax rate applicable on the dividends declared + References No definition available. + Details
Name: | asurb_DividendIncentiveTaxRatePercentage
Namespace Prefix: | asurb_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_NotLaterThanOneYearMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanOneYearAndNotLaterThanTwoYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_MaturityAxis=ifrs-full_LaterThanTwoYearsAndNotLaterThanThreeYearsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |