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Cameco Corporation (Details) - Item |  | 12 Months Ended
--- | --- | ---
Nov. 07, 2023 | Dec. 31, 2024 | Dec. 31, 2023
Disclosure Of Joint Ventures [Line Items] |  |  |
Number of operating mines |  | 2 |
Joint Venture Inkai LLP [Member] |  |  |
Disclosure Of Joint Ventures [Line Items] |  |  |
Ownership interest in associates |  | 40.00% | 40.00%
Westinghouse Electric Company [Member] |  |  |
Disclosure Of Joint Ventures [Line Items] |  |  |
Proportion of ownership interest in joint venture | 49.00% | 49.00% | 49.00%

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