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Joint operations (Tables) | 12 Months Ended
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Dec. 31, 2022
Disclosure Of Joint Operations [Abstract] |
Joint operations proportionate interest in net assets table | Cameco reflects its proportionate interest in these assets and liabilities as follows: Principal place of business Ownership 2022 2021 Total assets McArthur River Canada 69.81% $ 998,368 $ 1,010,956 Key Lake Canada 83.33% 527,841 549,051 Cigar Lake (a) Canada 54.55% 1,219,036 1,294,333 $ 2,745,245 $ 2,854,340 Total liabilities McArthur River 69.81% $ 37,881 $ 36,697 Key Lake 83.33% 240,487 267,579 Cigar Lake (a) 54.55% 50,362 45,503 $ 328,730 $ 349,779 (a) Cameco’s ownership stake in the Cigar Lake uranium mine in northern Saskatchewan was previously 50.025 %. On May 19, 2022, Cameco and Orano completed the acquisition of Idemitsu’s 7.875 % participating interest in the CLJV by acquiring their pro rata shares through an asset purchase (note 6).

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