v3.26.1
Segmentation of key figures - Narrative (Details)
Jun. 30, 2026
segment
Operating Segments [Abstract]
Number of reportable segments
2
X
- Definition
Number Of Reportable Segments
+ References
No definition available.
+ Details
Name:
alc_NumberOfReportableSegments
Namespace Prefix:
alc_
Data Type:
xbrli:integerItemType
Balance Type:
na
Period Type:
instant
X
- Definition
Operating Segments [Abstract]
+ References
No definition available.
+ Details
Name:
alc_OperatingSegmentsAbstract
Namespace Prefix:
alc_
Data Type:
xbrli:stringItemType
Balance Type:
na
Period Type:
duration