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Related parties transactions (Tables)

6 Months Ended

Jun. 30, 2020

Related Party [Abstract]

Disclosure of transactions between related parties

($ millions)	Six months ended June 30, 2019(1)
Contract manufacturing revenues from former parent	47
Purchases of Alcon from former parent	19

(1)

Activity presented strictly relates to the period during which Novartis was a related party (prior to the Spin-off on April 9, 2019).

X

- Definition

Related Party [Abstract]

+ References

No definition available.

+ Details

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

X

- Definition

The disclosure of transactions between the entity and its related parties. [Refer: Related parties [member]]

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 24
-IssueDate 2019-01-01
-Paragraph 18
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=24&code=ifrs-tx-2019-en-r&anchor=para_18&doctype=Standard
-URIDate 2019-03-27

+ Details

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