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Group entities (Tables) | 12 Months Ended
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Dec. 31, 2022
Disclosure Of Significant Investments In Subsidiaries [Abstract] |
Ownership interest in subsidiaries | Principal place Ownership interest of business 2022 2021 Subsidiaries: Cameco Fuel Manufacturing Inc. Canada 100% 100% Cameco Marketing Inc. Canada 100% 100% Cameco Inc. US 100% 100% Power Resources, Inc. US 100% 100% Crow Butte Resources, Inc. US 100% 100% Cameco Australia Pty. Ltd. Australia 100% 100% Cameco Europe Ltd. Switzerland 100% 100% Associates: JV Inkai Kazakhstan 40% 40%

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- Definition The disclosure of interests in subsidiaries. [Refer: Subsidiaries [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 12 -IssueDate 2021-01-01 -Paragraph 2 -Subparagraph b -Clause i -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_2_b_i&doctype=Standard -URIDate 2021-03-24 + Details
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