Equity-accounted investees (Tables) |
12 Months Ended |
|---|---|
Dec. 31, 2025 | |
| Disclosure Of Joint Ventures [Line Items] | |
| Summary of Equity-accounted Investees | 2025 2024 Interest in Westinghouse $ 2,671,846 $ 2,931,746 Interest in JV Inkai 315,280 286,710 Interest in Global Laser Enrichment LLC (GLE) - - $ 2,987,126 $ 3,218,456 |
| Westinghouse Electric Company [Member] | |
| Disclosure Of Joint Ventures [Line Items] | |
| Equity method investment summarized financial information income statement explanatory | 2025 2024 Revenue from products and services $ 7,056,393 $ 5,902,993 Cost of products and services sold (4,640,948) (4,235,079) Depreciation and amortization (782,112) (728,294) Marketing, administrative and general expenses (848,993) (821,322) Finance income 5,147 8,941 Finance costs (434,797) (459,567) Other expense (244,972) (238,158) Income tax recovery 7,678 124,717 Net earnings (loss) 117,396 (445,769) Other comprehensive income 249,464 42,506 Total comprehensive income (loss) $ 366,860 $ (403,263) |
| Equity method investment summarized financial information balance sheet explanatory | 2025 2024 Cash and cash equivalents $ 268,310 $ 255,589 Other current assets 2,665,145 2,737,164 Intangible assets 7,186,939 7,821,802 Goodwill 1,667,293 1,698,174 Non-current assets 3,126,447 3,113,031 Current portion of long-term debt (48,695) (44,576) Other current liabilities (2,827,358) (2,751,396) Long-term debt (4,682,928) (4,924,398) Other non-current liabilities (2,049,246) (2,078,688) Net assets $ 5,305,907 5,826,702 Net assets attributable to non-controlling interest (26,408) (25,127) Net assets attributable to shareholders $ 5,279,499 $ 5,801,575 Cameco's share of net assets attributable to shareholders ( 49 %) 2,586,955 2,842,772 Acquisition costs (a) 83,896 83,896 Impact of foreign exchange on acquisition costs 995 5,078 Carrying amount of interest in Westinghouse $ 2,671,846 2,931,746 (a) Cameco incurred acquisition costs that were denominated in US dollars. This amount was included in the cost of the investment and is remeasured every period. |
| Joint Venture Inkai LLP [Member] | |
| Disclosure Of Joint Ventures [Line Items] | |
| Equity method investment summarized financial information income statement explanatory | 2025 2024 Revenue from products and services $ 891,786 $ 934,759 Cost of products and services sold (204,998) (147,103) Depreciation and amortization (56,909) (57,739) Finance income 5,482 3,010 Finance costs (520) (704) Other expense (52,355) (13,453) Income tax expense (116,555) (143,974) Net earnings 465,931 574,796 Other comprehensive income - - Total comprehensive income $ 465,931 $ 574,796 |
| Equity method investment summarized financial information balance sheet explanatory | 2025 2024 Cash and cash equivalents $ 46,266 $ 47,282 Other current assets 847,942 694,041 Non-current assets 325,363 307,801 Current liabilities (52,410) (42,368) Non-current liabilities (23,463) (27,802) Net assets 1,143,698 978,954 Cameco's share of net assets ( 40 %) 457,479 391,582 Consolidating adjustments (a) (116,494) (93,365) Fair value increment (b) 74,643 77,992 Dividends declared but not received 7,209 9,760 Dividends in excess of ownership percentage (c) (109,064) (107,179) Impact of foreign exchange 1,507 7,920 Carrying amount of interest in JV Inkai $ 315,280 $ 286,710 (a) Cameco records certain consolidating adjustments to eliminate unrealized profit and amortize historical differences in accounting policies. This amount is amortized to earnings over units of production. (b) Upon restructuring, Cameco assigned fair values to the assets and liabilities of JV Inkai. This increment is amortized to earnings over units of production. (c) Cameco’s share of dividends follows its production purchase entitlements which is currently higher than its ownership interest. |