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EQUITY - Schedule Of Number Of Issued And Outstanding Common Shares And Unexercised Options (Details) - shares
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Disclosure of classes of share capital [line items]      
Number of Common Shares Held by the Company 37,538,531 30,569,215 27,846,452
Common shares      
Disclosure of classes of share capital [line items]      
Issued and Outstanding (in shares) 955,142,841 958,773,120 958,168,417
Unexercised options and other share-based plans (in shares) 42,086,712 47,474,284  
Total diluted shares (in shares) 997,229,553 1,006,247,404  
Class A shares | Common shares      
Disclosure of classes of share capital [line items]      
Issued and Outstanding (in shares) 955,057,721 958,688,000  
Class B shares | Common shares      
Disclosure of classes of share capital [line items]      
Issued and Outstanding (in shares) 85,120 85,120