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Cash and Cash Equivalents (Tables)
 12 Months Ended
Dec. 31, 2020
Cash And Cash Equivalents [Abstract]  
Disclosure Of Cash And Cash Equivalent Explanatory

As at December 31,

2020

 

 

2019

 

Cash

 

368

 

 

 

108

 

Short-Term Investments

 

10

 

 

 

78

 

 

 

378

 

 

 

186