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Joint operations (Tables) | 12 Months Ended
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Dec. 31, 2020
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 |  | 2020 |  | 2019
Total assets |  |  |  |  |  |
McArthur River | Canada | 69.81% | $ | 1,027,617 | $ | 1,046,556
Key Lake | Canada | 83.33% |  | 560,845 |  | 524,324
Cigar Lake | Canada | 50.03% |  | 1,327,956 |  | 1,354,399
|  |  | $ | 2,916,418 | $ | 2,925,279
Total liabilities |  |  |  |  |  |
McArthur River |  | 69.81% | $ | 34,597 | $ | 32,132
Key Lake |  | 83.33% |  | 278,331 |  | 227,562
Cigar Lake |  | 50.03% |  | 46,604 |  | 47,396
|  |  | $ | 359,532 | $ | 307,090

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