XML 153 R126.htm IDEA: XBRL DOCUMENT
v3.24.0.1

Segment and Geographic Information - Allocation of Property, Plant and Equipment, Intangible Assets and Goodwill (Details) | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Thailand |  |
Disclosure of geographical areas [line items] |  |
Property, plant and equipment, among countries that exceeded 10% (as a percentage of total) | 25.00% | 18.00%
United States |  |
Disclosure of geographical areas [line items] |  |
Property, plant and equipment, among countries that exceeded 10% (as a percentage of total) | 24.00% | 25.00%
Intangible assets and goodwill, among countries that exceeded 10% (as a percentage of total) | 48.00% | 48.00%
Singapore |  |
Disclosure of geographical areas [line items] |  |
Intangible assets and goodwill, among countries that exceeded 10% (as a percentage of total) | 41.00% | 42.00%

X
- Definition Percentage Of Entities Intangible Assets And Goodwill + References No definition available. + Details
Name: | cls_PercentageOfEntitiesIntangibleAssetsAndGoodwill
Namespace Prefix: | cls_
Data Type: | dtr-types1:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage Of Entities Property, Plant And Equipment + References No definition available. + Details
Name: | cls_PercentageOfEntitiesPropertyPlantAndEquipment
Namespace Prefix: | cls_
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_DisclosureOfGeographicalAreasLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_TH
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_GeographicalAreasAxis=country_SG
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |