XML 33 R19.htm IDEA: XBRL DOCUMENT v3.21.2

Subsequent events	6 Months Ended
	Jun. 30, 2021
Events After Reporting Period [Abstract]
Subsequent events	Subsequent eventsThese unaudited Condensed Consolidated Interim Financial Statements were authorized for issue by the Audit & Risk Committee on August 17, 2021.

X

- Definition

Events After Reporting Period [Abstract]

+ References

No definition available.

+ Details

Name:	alc_EventsAfterReportingPeriodAbstract
Namespace Prefix:	alc_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

X

- Definition

The entire disclosure for events after the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 10
-IssueDate 2020-01-01
-Section Disclosure
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=10&code=ifrs-tx-2020-en-r&doctype=Standard&dita_xref=IAS10_g17-22_TI
-URIDate 2020-01-01

+ Details

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