XML 179 R121.htm IDEA: XBRL DOCUMENT
v3.23.1

Financial Instruments (Aging of trade receivables) (Details) - CAD ($) $ in Thousands | Dec. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Disclosure of detailed information about financial instruments [line items] |  |
Trade receivables | $ 167,688 | $ 271,015
Corporate customers [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Trade receivables | 167,099 |
Other Customers [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Trade receivables | 589 |
Current (Not Past Due) [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Trade receivables | 166,759 |
Current (Not Past Due) [Member] | Corporate customers [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Trade receivables | 166,361 |
Current (Not Past Due) [Member] | Other Customers [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Trade receivables | 398 |
1-30 Days Past Due [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Trade receivables | 810 |
1-30 Days Past Due [Member] | Corporate customers [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Trade receivables | 639 |
1-30 Days Past Due [Member] | Other Customers [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Trade receivables | 171 |
More Than 30 Days Past Due [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Trade receivables | 119 |
More Than 30 Days Past Due [Member] | Corporate customers [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Trade receivables | 99 |
More Than 30 Days Past Due [Member] | Other Customers [Member] |  |
Disclosure of detailed information about financial instruments [line items] |  |
Trade receivables | $ 20 |

X
- Definition The amount of current trade receivables. [Refer: Trade receivables] + References Reference 1: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 78 -Subparagraph b -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_78_b&doctype=Standard -URIDate 2021-03-24 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2021-01-01 -Paragraph 68 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2021-en-r&anchor=para_68&doctype=Standard -URIDate 2021-03-24 + Details
Name: | ifrs-full_CurrentTradeReceivables
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
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_DisclosureOfFinancialInstrumentsLineItems
Namespace Prefix: | ifrs-full_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | ccj_TypeOfCustomerAxis=ccj_CorporateCustomersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ccj_TypeOfCustomerAxis=ccj_OtherCustomersMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_PastDueStatusAxis=ifrs-full_CurrentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_PastDueStatusAxis=ccj_LaterThanOneDayAndNotLaterThanThirtyDaysMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | ifrs-full_PastDueStatusAxis=ccj_LaterThanOneMonthMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |