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Contingencies (Details) - Pending Litigation
$ in Millions
Jun. 16, 2020
CAD ($)
Mar. 12, 2020
shareholder
complaint
Unfavorable Regulatory Action    
Loss Contingencies [Line Items]    
Damages sought $ 500  
Punitive damages sought $ 5  
U.S. District Court of Eastern District of New York Vs. Cronos    
Loss Contingencies [Line Items]    
Number of alleged shareholders | shareholder   2
Number of putative class action complaints | complaint   2