XML 113 R56.htm IDEA: XBRL DOCUMENT v3.22.4

Summary of significant accounting policies, Segment reporting (Details)	12 Months Ended
	Dec. 31, 2022 segment
Segment reporting [Abstract]
Number of operating segments	1
Number of reportable segments	1

X

- Definition

Number of operating segments reported by the entity.

+ References

No definition available.

+ Details

Name:	aciu_OperatingSegmentsNumber
Namespace Prefix:	aciu_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Number of reportable segments reported by the entity.

+ References

No definition available.

+ Details

Name:	aciu_ReportableSegmentsNumber
Namespace Prefix:	aciu_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	duration

X

- References

No definition available.

+ Details

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