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Equity-accounted investee (Tables)	12 Months Ended
	Dec. 31, 2022
Investments accounted for using equity method [Abstract]
Equity method investment summarized financial information balance sheet explanatory	The following tables summarize the financial information of JV Inkai (100%): 2022 2021 Cash and cash equivalents $ 14,950 $ 12,893 Other current assets 373,868 301,589 Non-current assets 334,954 328,469 Current liabilities (34,606) (32,774) Non-current liabilities (37,644) (38,635) Net assets $ 651,522 $ 571,542
Equity method investment summarized financial information income statement explanatory	2022 2021 Revenue from products and services $ 476,354 $ 387,319 Cost of products and services sold (66,119) (55,397) Depreciation and amortization (24,749) (25,300) Finance income 1,341 349 Finance costs (2,635) (796) Other expense (30,770) (16,636) Income tax expense (74,763) (60,357) Net earnings 278,659 229,182 Total comprehensive income $ 278,659 $ 229,182
Reconciliation of summarized financial information to carrying amount	The following table reconciles the summarized financial information to the carrying amount of Cameco’s interest in JV Inkai: 2022 2021 Opening net assets $ 571,542 $ 440,565 Total comprehensive income 278,659 229,182 Dividends declared (195,865) (85,198) Impact of foreign exchange (2,814) (13,007) Closing net assets 651,522 571,542 Cameco's share of net assets 260,609 228,617 Consolidating adjustments (a) (82,275) (60,348) Fair value increment (b) 83,675 85,976 Dividends in excess of ownership percentage (c) (48,641) (22,085) Impact of foreign exchange (2,396) 1,080 Carrying amount in the statement of financial position $ 210,972 $ 233,240 (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.

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The disclosure of the reconciliation of the summarised financial information of an associate accounted for using the equity method to the carrying amount of the reporting entity's interest in the associate. [Refer: Carrying amount [member]; Associates [member]]

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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name IFRS
-Number 12
-IssueDate 2021-01-01
-Paragraph B14
-Subparagraph b
-URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=12&code=ifrs-tx-2021-en-r&anchor=para_B14_b&doctype=Appendix&subtype=B
-URIDate 2021-03-24

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