XML 121 R110.htm IDEA: XBRL DOCUMENT v3.19.1

Summary of the main accounting policies: (Details 2)	12 Months Ended
	Dec. 31, 2018
Useful lives or amortisation rates, intangible assets other than goodwill	50 years
Licences and franchises [member]
Useful lives or amortisation rates, intangible assets other than goodwill	30 years
ODC [Member]
Useful lives or amortisation rates, intangible assets other than goodwill	30 years
Commercial Rights [Member] | Aerostars [Member]
Useful lives or amortisation rates, intangible assets other than goodwill	35 years
Commercial Rights [Member] | Airplan [Member]
Useful lives or amortisation rates, intangible assets other than goodwill	14 years

X

- Definition

The useful lives or amortisation rates used for intangible assets other than goodwill. [Refer: Intangible assets other than goodwill]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 38
-IssueDate 2018-01-01
-Paragraph 118
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=38&date=2018-03-01&anchor=para_118_a&doctype=Standard
-URIDate 2018-03-16

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
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X

- Details

Name:	ifrs-full_ClassesOfIntangibleAssetsOtherThanGoodwillAxis=asurb_CommercialRightsMember
Namespace Prefix:
Data Type:	na
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Period Type:

X

- Details

Name:	ifrs-full_BusinessCombinationsAxis=asurb_AerostarsMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

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Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: