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Joint operations (Tables)

12 Months Ended

Dec. 31, 2018

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		2018		2017
Total assets
McArthur River	Canada	69.81%	$	1,065,562	$	1,121,509
Key Lake	Canada	83.33%		537,233		482,879
Cigar Lake	Canada	50.03%		1,503,863		1,531,150
Inkai	Kazakhstan	40.00%		-		230,280
			$	3,106,658	$	3,365,818
Total liabilities
McArthur River		69.81%	$	32,829	$	38,896
Key Lake		83.33%		222,369		140,214
Cigar Lake		50.03%		38,478		40,687
Inkai		40.00%		-		119,998
			$	293,676	$	339,795

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Disclosure of joint operations related to proportionate interest in net assets.

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