XML 268 R135.htm IDEA: XBRL DOCUMENT v3.25.0.1

Post-employment benefits for associates - Healthcare cost trend rate assumptions used for other post-employment benefits (Details) - Other post-employment benefit plans	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Disclosure of defined benefit plans [line items]
Healthcare cost trend rate assumed for next year	7.00%	6.00%	6.30%
Rate to which the cost trend rate is assumed to decline	4.50%	4.50%	4.50%

X

- Definition

Health Care Cost Trend Rate Assumed, Next Fiscal Year

+ References

No definition available.

+ Details

Name:	alc_HealthCareCostTrendRateAssumedNextFiscalYear
Namespace Prefix:	alc_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Ultimate Health Care Cost Trend Rate

+ References

No definition available.

+ Details

Name:	alc_UltimateHealthCareCostTrendRate
Namespace Prefix:	alc_
Data Type:	dtr-types1:percentItemType
Balance Type:	na
Period Type:	instant

X

- 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

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

X

- Details

Name:	ifrs-full_CharacteristicsOfDefinedBenefitPlansAxis=ifrs-full_PostemploymentMedicalDefinedBenefitPlansMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: