Segmented information (Narrative 1) (Details) |
12 Months Ended | |
|---|---|---|
|
Dec. 31, 2025
CAD ($)
Item
|
Dec. 31, 2024
CAD ($)
|
|
| Disclosure Of Operating Segments [Line Items] | ||
| Segment information | Cameco has three reportable segments: uranium, fuel services and Westinghouse. Cameco's reportable segments are strategic business units with different products, processes and marketing strategies. | |
| Number of reportable segments | Item | 3 | |
| Uranium [Member] | ||
| Disclosure Of Operating Segments [Line Items] | ||
| Care and maintenance | $ | $ 98,714,000 | $ 77,436,000 |