XML 100 R93.htm IDEA: XBRL DOCUMENT v3.20.1

Stockholders' Equity: Additional information (Details) - MXN ($) $ in Thousands			12 Months Ended
	Apr. 26, 2018	Apr. 26, 2017	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Stockholders' Equity
Capital stock			$ 7,767,276	$ 7,767,276
Capital redemption reserve			9,862,262	11,554,572
Dividends paid, classified as financing activities	$ 2,034,000	$ 1,848,000	$ 3,000,000	2,034,000	$ 1,848,000
Dividend Declared, Tax on Dividends, Percentage			42.86%
Retained earnings			$ 10,438,563	9,919,989
Additional paid-in capital			42,825,290	41,606,425
Capital Contribution			12,900,414	11,382,509
Fixed Capital Shares [Member]
Stockholders' Equity
Capital stock			1,000	1,000
Variable Capital Shares [Member]
Stockholders' Equity
Capital stock			$ 7,766,276	$ 7,766,276

X

- Definition

The amount of combined capital contribution during the period.

+ References

No definition available.

+ Details

Name:	asurb_CapitalContribution
Namespace Prefix:	asurb_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Represents the tax rate applicable on declared dividends

+ References

No definition available.

+ Details

Name:	asurb_DividendDeclaredTaxOnDividendsPercentage
Namespace Prefix:	asurb_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The amount received or receivable from the issuance of the entity's shares in excess of nominal value and amounts received from other transactions involving the entity's stock or stockholders.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_55&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_AdditionalPaidinCapital
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

A component of equity representing the reserve for the redemption of the entity's own shares.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 55
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_55&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_CapitalRedemptionReserve
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table.

+ References

No definition available.

+ Details

Name:	ifrs-full_DisclosureOfClassesOfShareCapitalLineItems
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The cash outflow for dividends paid by the entity, classified as financing activities.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 7
-IssueDate 2019-01-01
-Paragraph 31
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=7&code=ifrs-tx-2019-en-r&anchor=para_31&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_DividendsPaidClassifiedAsFinancingActivities
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The nominal value of capital issued.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 78
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_78_e&doctype=Standard
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_IssuedCapital
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Definition

A component of equity representing the entity's cumulative undistributed earnings or deficit.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph 78
-Subparagraph e
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_78_e&doctype=Standard
-URIDate 2019-03-27

Reference 2: http://www.xbrl.org/2003/role/exampleRef
-Name IAS
-Number 1
-IssueDate 2019-01-01
-Paragraph IG6
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_IG6&doctype=Implementation%20Guidance
-URIDate 2019-03-27

+ Details

Name:	ifrs-full_RetainedEarnings
Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

X

- Details

Name:	ifrs-full_ClassesOfShareCapitalAxis=asurb_FixedCapitalSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	ifrs-full_ClassesOfShareCapitalAxis=asurb_VariableCapitalSharesMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: