Borrowings Maturity, Term

No definition available.

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Namespace Prefix:	alc_
Data Type:	xbrli:durationItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount of outstanding funds that the entity is obligated to repay.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 55
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_55&doctype=Standard
-URIDate 2022-03-24

+ Details

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

- Definition

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

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
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- Definition

The amount of dividends proposed or declared after the reporting period but before financial statements are authorised for issue. Such dividends are not recognised as a liability at the end of the reporting period because no obligation exists at that time.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 10
-IssueDate 2022-03-24
-Paragraph 13
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=10&code=ifrs-tx-2022-en-r&anchor=para_13&doctype=Standard
-URIDate 2022-03-24

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-IssueDate 2022-03-24
-Paragraph 137
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-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_137_a&doctype=Standard
-URIDate 2022-03-24

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	xbrli:monetaryItemType
Balance Type:	na
Period Type:	duration

- Definition

The amount, per share, of dividends proposed or declared before financial statements were authorised for issue but not recognised as distribution to owners.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IAS
-Number 1
-IssueDate 2022-03-24
-Paragraph 137
-Subparagraph a
-URI https://taxonomy.ifrs.org/xifrs-link?type=IAS&num=1&code=ifrs-tx-2022-en-r&anchor=para_137_a&doctype=Standard
-URIDate 2022-03-24

+ Details

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Namespace Prefix:	ifrs-full_
Data Type:	dtr-types:perShareItemType
Balance Type:	na
Period Type:	duration

- Details

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Data Type:	na
Balance Type:
Period Type:

- Details

Name:	ifrs-full_NonadjustingEventsAfterReportingPeriodAxis=ifrs-full_PotentialOrdinaryShareTransactionsMember
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Data Type:	na
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- Details

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Namespace Prefix:
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Period Type:

Subsequent events - Additional Details (Details) $ in Millions, ¥ in Billions				1 Months Ended
	Feb. 27, 2023 USD ($)	Feb. 27, 2023 SFr / shares	Feb. 14, 2023 USD ($)	Feb. 28, 2022	Feb. 14, 2023 JPY (¥)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Disclosure of non-adjusting events after reporting period [line items]
Borrowings						$ 4,648	$ 4,080
Local bilateral facilities, Japan
Disclosure of non-adjusting events after reporting period [line items]
Borrowings			$ 170			$ 69
Borrowings, term				1 year
Potential ordinary share transactions
Disclosure of non-adjusting events after reporting period [line items]
Dividends declared (per share) \| SFr / shares		SFr 0.21
Dividends declared, amount	$ 113
Debt transactions
Disclosure of non-adjusting events after reporting period [line items]
Borrowings, term			2 years
Debt transactions \| Local bilateral facilities, Japan
Disclosure of non-adjusting events after reporting period [line items]
Borrowings \| ¥					¥ 22.5