XML 153 R124.htm IDEA: XBRL DOCUMENT
v3.22.0.1

Segment and Geographic Information - Allocation of Property, Plant and Equipment, Intangible Assets and Goodwill (Details) | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
China |  |
Disclosure of geographical areas [line items] |  |
Property, plant and equipment, among countries that exceeded 10% (as a percentage of total) | 11.00% | 14.00%
Thailand |  |
Disclosure of geographical areas [line items] |  |
Property, plant and equipment, among countries that exceeded 10% (as a percentage of total) | 16.00% | 17.00%
United States |  |
Disclosure of geographical areas [line items] |  |
Property, plant and equipment, among countries that exceeded 10% (as a percentage of total) | 22.00% | 18.00%
Intangible assets and goodwill, among countries that exceeded 10% (as a percentage of total) | 49.00% | 85.00%
South Korea |  |
Disclosure of geographical areas [line items] |  |
Intangible assets and goodwill, among countries that exceeded 10% (as a percentage of total) |  | 11.00%
Singapore |  |
Disclosure of geographical areas [line items] |  |
Intangible assets and goodwill, among countries that exceeded 10% (as a percentage of total) | 42.00% |

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

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_KR
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: |