XML 51 R40.htm IDEA: XBRL DOCUMENT v3.21.1

Stockholders' equity: (Tables)

12 Months Ended

Dec. 31, 2020

Stockholders' equity:

Stockholders' equity:

								Capital stock as of
		Total shares						December 31,
Description		2019			2020			2019			2020
“B” Series			277,050,000			277,050,000		Ps.	7,173,079		Ps.	7,173,079
“BB” Series			22,950,000			22,950,000			594,197			594,197
Total			300,000,000			300,000,000		Ps.	7,767,276		Ps.	7,767,276

X

- References

No definition available.

+ Details

Name:	asurb_ShareCapitalReservesAndOtherEquityInterestAbstract
Namespace Prefix:	asurb_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The disclosure of classes of share capital. [Refer: Share capital [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2020-01-01
-Paragraph 79
-Subparagraph a
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2020-en-r&anchor=para_79_a&doctype=Standard
-URIDate 2020-01-01

+ Details

Name:	ifrs-full_DisclosureOfClassesOfShareCapitalExplanatory
Namespace Prefix:	ifrs-full_
Data Type:	nonnum:textBlockItemType
Balance Type:	na
Period Type:	duration